#include "libavcodec/bytestream.h"
#include "libavcodec/flac.h"
#include "libavcodec/mpeg4audio.h"
+#include "libavcodec/packet_internal.h"
#include "avformat.h"
#include "avio_internal.h"
#define EBML_UNKNOWN_LENGTH UINT64_MAX /* EBML unknown length, in uint64_t */
#define NEEDS_CHECKING 2 /* Indicates that some error checks
* still need to be performed */
+#define LEVEL_ENDED 3 /* return value of ebml_parse when the
+ * syntax level used for parsing ended. */
+#define SKIP_THRESHOLD 1024 * 1024 /* In non-seekable mode, if more than SKIP_THRESHOLD
+ * of unkown, potentially damaged data is encountered,
+ * it is considered an error. */
+#define UNKNOWN_EQUIV 50 * 1024 /* An unknown element is considered equivalent
+ * to this many bytes of unknown data for the
+ * SKIP_THRESHOLD check. */
typedef enum {
EBML_NONE,
EBML_UINT,
+ EBML_SINT,
EBML_FLOAT,
EBML_STR,
EBML_UTF8,
EBML_NEST,
EBML_LEVEL1,
EBML_STOP,
- EBML_SINT,
EBML_TYPE_COUNT
} EbmlType;
+typedef struct CountedElement {
+ union {
+ uint64_t u;
+ int64_t i;
+ double f;
+ char *s;
+ } el;
+ unsigned count;
+} CountedElement;
+
typedef const struct EbmlSyntax {
uint32_t id;
- EbmlType type;
- int list_elem_size;
- int data_offset;
+ uint8_t type;
+ uint8_t is_counted;
+ size_t list_elem_size;
+ size_t data_offset;
union {
int64_t i;
uint64_t u;
typedef struct EbmlList {
int nb_elem;
+ unsigned int alloc_elem_size;
void *elem;
} EbmlList;
double white_x;
double white_y;
double max_luminance;
- double min_luminance;
+ CountedElement min_luminance;
} MatroskaMasteringMeta;
typedef struct MatroskaTrackVideoColor {
uint64_t display_height;
uint64_t pixel_width;
uint64_t pixel_height;
- EbmlBin color_space;
+ EbmlBin color_space;
uint64_t display_unit;
uint64_t interlaced;
uint64_t field_order;
uint64_t default_duration;
uint64_t flag_default;
uint64_t flag_forced;
+ uint64_t flag_comment;
+ uint64_t flag_hearingimpaired;
+ uint64_t flag_visualimpaired;
+ uint64_t flag_textdescriptions;
+ CountedElement flag_original;
uint64_t seek_preroll;
MatroskaTrackVideo video;
MatroskaTrackAudio audio;
AVStream *stream;
int64_t end_timecode;
int ms_compat;
+ int needs_decoding;
uint64_t max_block_additional_id;
uint32_t palette[AVPALETTE_COUNT];
typedef struct MatroskaAttachment {
uint64_t uid;
char *filename;
+ char *description;
char *mime;
EbmlBin bin;
typedef struct MatroskaBlock {
uint64_t duration;
- int64_t reference;
+ CountedElement reference;
uint64_t non_simple;
EbmlBin bin;
uint64_t additional_id;
EbmlBin additional;
- int64_t discard_padding;
+ int64_t discard_padding;
} MatroskaBlock;
typedef struct MatroskaCluster {
} MatroskaCluster;
typedef struct MatroskaLevel1Element {
- uint64_t pos;
+ int64_t pos;
uint32_t id;
int parsed;
} MatroskaLevel1Element;
AVFormatContext *ctx;
/* EBML stuff */
- int num_levels;
MatroskaLevel levels[EBML_MAX_DEPTH];
+ int num_levels;
uint32_t current_id;
+ int64_t resync_pos;
+ int unknown_count;
uint64_t time_scale;
double duration;
char *title;
char *muxingapp;
- EbmlBin date_utc;
+ EbmlBin date_utc;
EbmlList tracks;
EbmlList attachments;
EbmlList chapters;
/* byte position of the segment inside the stream */
int64_t segment_start;
+ /* This packet coincides with AVFormatInternal.parse_pkt
+ * and is not owned by us. */
+ AVPacket *pkt;
+
/* the packet queue */
- AVPacketList *queue;
- AVPacketList *queue_end;
+ PacketList *queue;
+ PacketList *queue_end;
int done;
int bandwidth;
} MatroskaDemuxContext;
-static const EbmlSyntax ebml_header[] = {
- { EBML_ID_EBMLREADVERSION, EBML_UINT, 0, offsetof(Ebml, version), { .u = EBML_VERSION } },
- { EBML_ID_EBMLMAXSIZELENGTH, EBML_UINT, 0, offsetof(Ebml, max_size), { .u = 8 } },
- { EBML_ID_EBMLMAXIDLENGTH, EBML_UINT, 0, offsetof(Ebml, id_length), { .u = 4 } },
- { EBML_ID_DOCTYPE, EBML_STR, 0, offsetof(Ebml, doctype), { .s = "(none)" } },
- { EBML_ID_DOCTYPEREADVERSION, EBML_UINT, 0, offsetof(Ebml, doctype_version), { .u = 1 } },
+#define CHILD_OF(parent) { .def = { .n = parent } }
+
+// The following forward declarations need their size because
+// a tentative definition with internal linkage must not be an
+// incomplete type (6.7.2 in C90, 6.9.2 in C99).
+// Removing the sizes breaks MSVC.
+static EbmlSyntax ebml_syntax[3], matroska_segment[9], matroska_track_video_color[15], matroska_track_video[19],
+ matroska_track[32], matroska_track_encoding[6], matroska_track_encodings[2],
+ matroska_track_combine_planes[2], matroska_track_operation[2], matroska_tracks[2],
+ matroska_attachments[2], matroska_chapter_entry[9], matroska_chapter[6], matroska_chapters[2],
+ matroska_index_entry[3], matroska_index[2], matroska_tag[3], matroska_tags[2], matroska_seekhead[2],
+ matroska_blockadditions[2], matroska_blockgroup[8], matroska_cluster_parsing[8];
+
+static EbmlSyntax ebml_header[] = {
+ { EBML_ID_EBMLREADVERSION, EBML_UINT, 0, 0, offsetof(Ebml, version), { .u = EBML_VERSION } },
+ { EBML_ID_EBMLMAXSIZELENGTH, EBML_UINT, 0, 0, offsetof(Ebml, max_size), { .u = 8 } },
+ { EBML_ID_EBMLMAXIDLENGTH, EBML_UINT, 0, 0, offsetof(Ebml, id_length), { .u = 4 } },
+ { EBML_ID_DOCTYPE, EBML_STR, 0, 0, offsetof(Ebml, doctype), { .s = "(none)" } },
+ { EBML_ID_DOCTYPEREADVERSION, EBML_UINT, 0, 0, offsetof(Ebml, doctype_version), { .u = 1 } },
{ EBML_ID_EBMLVERSION, EBML_NONE },
{ EBML_ID_DOCTYPEVERSION, EBML_NONE },
- { 0 }
+ CHILD_OF(ebml_syntax)
};
-static const EbmlSyntax ebml_syntax[] = {
- { EBML_ID_HEADER, EBML_NEST, 0, 0, { .n = ebml_header } },
+static EbmlSyntax ebml_syntax[] = {
+ { EBML_ID_HEADER, EBML_NEST, 0, 0, 0, { .n = ebml_header } },
+ { MATROSKA_ID_SEGMENT, EBML_STOP },
{ 0 }
};
-static const EbmlSyntax matroska_info[] = {
- { MATROSKA_ID_TIMECODESCALE, EBML_UINT, 0, offsetof(MatroskaDemuxContext, time_scale), { .u = 1000000 } },
- { MATROSKA_ID_DURATION, EBML_FLOAT, 0, offsetof(MatroskaDemuxContext, duration) },
- { MATROSKA_ID_TITLE, EBML_UTF8, 0, offsetof(MatroskaDemuxContext, title) },
+static EbmlSyntax matroska_info[] = {
+ { MATROSKA_ID_TIMECODESCALE, EBML_UINT, 0, 0, offsetof(MatroskaDemuxContext, time_scale), { .u = 1000000 } },
+ { MATROSKA_ID_DURATION, EBML_FLOAT, 0, 0, offsetof(MatroskaDemuxContext, duration) },
+ { MATROSKA_ID_TITLE, EBML_UTF8, 0, 0, offsetof(MatroskaDemuxContext, title) },
{ MATROSKA_ID_WRITINGAPP, EBML_NONE },
- { MATROSKA_ID_MUXINGAPP, EBML_UTF8, 0, offsetof(MatroskaDemuxContext, muxingapp) },
- { MATROSKA_ID_DATEUTC, EBML_BIN, 0, offsetof(MatroskaDemuxContext, date_utc) },
+ { MATROSKA_ID_MUXINGAPP, EBML_UTF8, 0, 0, offsetof(MatroskaDemuxContext, muxingapp) },
+ { MATROSKA_ID_DATEUTC, EBML_BIN, 0, 0, offsetof(MatroskaDemuxContext, date_utc) },
{ MATROSKA_ID_SEGMENTUID, EBML_NONE },
- { 0 }
+ CHILD_OF(matroska_segment)
};
-static const EbmlSyntax matroska_mastering_meta[] = {
- { MATROSKA_ID_VIDEOCOLOR_RX, EBML_FLOAT, 0, offsetof(MatroskaMasteringMeta, r_x), { .f=-1 } },
- { MATROSKA_ID_VIDEOCOLOR_RY, EBML_FLOAT, 0, offsetof(MatroskaMasteringMeta, r_y), { .f=-1 } },
- { MATROSKA_ID_VIDEOCOLOR_GX, EBML_FLOAT, 0, offsetof(MatroskaMasteringMeta, g_x), { .f=-1 } },
- { MATROSKA_ID_VIDEOCOLOR_GY, EBML_FLOAT, 0, offsetof(MatroskaMasteringMeta, g_y), { .f=-1 } },
- { MATROSKA_ID_VIDEOCOLOR_BX, EBML_FLOAT, 0, offsetof(MatroskaMasteringMeta, b_x), { .f=-1 } },
- { MATROSKA_ID_VIDEOCOLOR_BY, EBML_FLOAT, 0, offsetof(MatroskaMasteringMeta, b_y), { .f=-1 } },
- { MATROSKA_ID_VIDEOCOLOR_WHITEX, EBML_FLOAT, 0, offsetof(MatroskaMasteringMeta, white_x), { .f=-1 } },
- { MATROSKA_ID_VIDEOCOLOR_WHITEY, EBML_FLOAT, 0, offsetof(MatroskaMasteringMeta, white_y), { .f=-1 } },
- { MATROSKA_ID_VIDEOCOLOR_LUMINANCEMIN, EBML_FLOAT, 0, offsetof(MatroskaMasteringMeta, min_luminance), { .f=-1 } },
- { MATROSKA_ID_VIDEOCOLOR_LUMINANCEMAX, EBML_FLOAT, 0, offsetof(MatroskaMasteringMeta, max_luminance), { .f=-1 } },
- { 0 }
+static EbmlSyntax matroska_mastering_meta[] = {
+ { MATROSKA_ID_VIDEOCOLOR_RX, EBML_FLOAT, 0, 0, offsetof(MatroskaMasteringMeta, r_x) },
+ { MATROSKA_ID_VIDEOCOLOR_RY, EBML_FLOAT, 0, 0, offsetof(MatroskaMasteringMeta, r_y) },
+ { MATROSKA_ID_VIDEOCOLOR_GX, EBML_FLOAT, 0, 0, offsetof(MatroskaMasteringMeta, g_x) },
+ { MATROSKA_ID_VIDEOCOLOR_GY, EBML_FLOAT, 0, 0, offsetof(MatroskaMasteringMeta, g_y) },
+ { MATROSKA_ID_VIDEOCOLOR_BX, EBML_FLOAT, 0, 0, offsetof(MatroskaMasteringMeta, b_x) },
+ { MATROSKA_ID_VIDEOCOLOR_BY, EBML_FLOAT, 0, 0, offsetof(MatroskaMasteringMeta, b_y) },
+ { MATROSKA_ID_VIDEOCOLOR_WHITEX, EBML_FLOAT, 0, 0, offsetof(MatroskaMasteringMeta, white_x) },
+ { MATROSKA_ID_VIDEOCOLOR_WHITEY, EBML_FLOAT, 0, 0, offsetof(MatroskaMasteringMeta, white_y) },
+ { MATROSKA_ID_VIDEOCOLOR_LUMINANCEMIN, EBML_FLOAT, 1, 0, offsetof(MatroskaMasteringMeta, min_luminance) },
+ { MATROSKA_ID_VIDEOCOLOR_LUMINANCEMAX, EBML_FLOAT, 0, 0, offsetof(MatroskaMasteringMeta, max_luminance) },
+ CHILD_OF(matroska_track_video_color)
};
-static const EbmlSyntax matroska_track_video_color[] = {
- { MATROSKA_ID_VIDEOCOLORMATRIXCOEFF, EBML_UINT, 0, offsetof(MatroskaTrackVideoColor, matrix_coefficients), { .u = AVCOL_SPC_UNSPECIFIED } },
- { MATROSKA_ID_VIDEOCOLORBITSPERCHANNEL, EBML_UINT, 0, offsetof(MatroskaTrackVideoColor, bits_per_channel), { .u=0 } },
- { MATROSKA_ID_VIDEOCOLORCHROMASUBHORZ, EBML_UINT, 0, offsetof(MatroskaTrackVideoColor, chroma_sub_horz), { .u=0 } },
- { MATROSKA_ID_VIDEOCOLORCHROMASUBVERT, EBML_UINT, 0, offsetof(MatroskaTrackVideoColor, chroma_sub_vert), { .u=0 } },
- { MATROSKA_ID_VIDEOCOLORCBSUBHORZ, EBML_UINT, 0, offsetof(MatroskaTrackVideoColor, cb_sub_horz), { .u=0 } },
- { MATROSKA_ID_VIDEOCOLORCBSUBVERT, EBML_UINT, 0, offsetof(MatroskaTrackVideoColor, cb_sub_vert), { .u=0 } },
- { MATROSKA_ID_VIDEOCOLORCHROMASITINGHORZ, EBML_UINT, 0, offsetof(MatroskaTrackVideoColor, chroma_siting_horz), { .u = MATROSKA_COLOUR_CHROMASITINGHORZ_UNDETERMINED } },
- { MATROSKA_ID_VIDEOCOLORCHROMASITINGVERT, EBML_UINT, 0, offsetof(MatroskaTrackVideoColor, chroma_siting_vert), { .u = MATROSKA_COLOUR_CHROMASITINGVERT_UNDETERMINED } },
- { MATROSKA_ID_VIDEOCOLORRANGE, EBML_UINT, 0, offsetof(MatroskaTrackVideoColor, range), { .u = AVCOL_RANGE_UNSPECIFIED } },
- { MATROSKA_ID_VIDEOCOLORTRANSFERCHARACTERISTICS, EBML_UINT, 0, offsetof(MatroskaTrackVideoColor, transfer_characteristics), { .u = AVCOL_TRC_UNSPECIFIED } },
- { MATROSKA_ID_VIDEOCOLORPRIMARIES, EBML_UINT, 0, offsetof(MatroskaTrackVideoColor, primaries), { .u = AVCOL_PRI_UNSPECIFIED } },
- { MATROSKA_ID_VIDEOCOLORMAXCLL, EBML_UINT, 0, offsetof(MatroskaTrackVideoColor, max_cll), { .u=0 } },
- { MATROSKA_ID_VIDEOCOLORMAXFALL, EBML_UINT, 0, offsetof(MatroskaTrackVideoColor, max_fall), { .u=0 } },
- { MATROSKA_ID_VIDEOCOLORMASTERINGMETA, EBML_NEST, 0, offsetof(MatroskaTrackVideoColor, mastering_meta), { .n = matroska_mastering_meta } },
- { 0 }
+static EbmlSyntax matroska_track_video_color[] = {
+ { MATROSKA_ID_VIDEOCOLORMATRIXCOEFF, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideoColor, matrix_coefficients), { .u = AVCOL_SPC_UNSPECIFIED } },
+ { MATROSKA_ID_VIDEOCOLORBITSPERCHANNEL, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideoColor, bits_per_channel), { .u = 0 } },
+ { MATROSKA_ID_VIDEOCOLORCHROMASUBHORZ, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideoColor, chroma_sub_horz) },
+ { MATROSKA_ID_VIDEOCOLORCHROMASUBVERT, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideoColor, chroma_sub_vert) },
+ { MATROSKA_ID_VIDEOCOLORCBSUBHORZ, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideoColor, cb_sub_horz) },
+ { MATROSKA_ID_VIDEOCOLORCBSUBVERT, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideoColor, cb_sub_vert) },
+ { MATROSKA_ID_VIDEOCOLORCHROMASITINGHORZ, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideoColor, chroma_siting_horz), { .u = MATROSKA_COLOUR_CHROMASITINGHORZ_UNDETERMINED } },
+ { MATROSKA_ID_VIDEOCOLORCHROMASITINGVERT, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideoColor, chroma_siting_vert), { .u = MATROSKA_COLOUR_CHROMASITINGVERT_UNDETERMINED } },
+ { MATROSKA_ID_VIDEOCOLORRANGE, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideoColor, range), { .u = AVCOL_RANGE_UNSPECIFIED } },
+ { MATROSKA_ID_VIDEOCOLORTRANSFERCHARACTERISTICS, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideoColor, transfer_characteristics), { .u = AVCOL_TRC_UNSPECIFIED } },
+ { MATROSKA_ID_VIDEOCOLORPRIMARIES, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideoColor, primaries), { .u = AVCOL_PRI_UNSPECIFIED } },
+ { MATROSKA_ID_VIDEOCOLORMAXCLL, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideoColor, max_cll) },
+ { MATROSKA_ID_VIDEOCOLORMAXFALL, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideoColor, max_fall) },
+ { MATROSKA_ID_VIDEOCOLORMASTERINGMETA, EBML_NEST, 0, 0, offsetof(MatroskaTrackVideoColor, mastering_meta), { .n = matroska_mastering_meta } },
+ CHILD_OF(matroska_track_video)
};
-static const EbmlSyntax matroska_track_video_projection[] = {
- { MATROSKA_ID_VIDEOPROJECTIONTYPE, EBML_UINT, 0, offsetof(MatroskaTrackVideoProjection, type), { .u = MATROSKA_VIDEO_PROJECTION_TYPE_RECTANGULAR } },
- { MATROSKA_ID_VIDEOPROJECTIONPRIVATE, EBML_BIN, 0, offsetof(MatroskaTrackVideoProjection, private) },
- { MATROSKA_ID_VIDEOPROJECTIONPOSEYAW, EBML_FLOAT, 0, offsetof(MatroskaTrackVideoProjection, yaw), { .f=0.0 } },
- { MATROSKA_ID_VIDEOPROJECTIONPOSEPITCH, EBML_FLOAT, 0, offsetof(MatroskaTrackVideoProjection, pitch), { .f=0.0 } },
- { MATROSKA_ID_VIDEOPROJECTIONPOSEROLL, EBML_FLOAT, 0, offsetof(MatroskaTrackVideoProjection, roll), { .f=0.0 } },
- { 0 }
+static EbmlSyntax matroska_track_video_projection[] = {
+ { MATROSKA_ID_VIDEOPROJECTIONTYPE, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideoProjection, type), { .u = MATROSKA_VIDEO_PROJECTION_TYPE_RECTANGULAR } },
+ { MATROSKA_ID_VIDEOPROJECTIONPRIVATE, EBML_BIN, 0, 0, offsetof(MatroskaTrackVideoProjection, private) },
+ { MATROSKA_ID_VIDEOPROJECTIONPOSEYAW, EBML_FLOAT, 0, 0, offsetof(MatroskaTrackVideoProjection, yaw), { .f = 0.0 } },
+ { MATROSKA_ID_VIDEOPROJECTIONPOSEPITCH, EBML_FLOAT, 0, 0, offsetof(MatroskaTrackVideoProjection, pitch), { .f = 0.0 } },
+ { MATROSKA_ID_VIDEOPROJECTIONPOSEROLL, EBML_FLOAT, 0, 0, offsetof(MatroskaTrackVideoProjection, roll), { .f = 0.0 } },
+ CHILD_OF(matroska_track_video)
};
-static const EbmlSyntax matroska_track_video[] = {
- { MATROSKA_ID_VIDEOFRAMERATE, EBML_FLOAT, 0, offsetof(MatroskaTrackVideo, frame_rate) },
- { MATROSKA_ID_VIDEODISPLAYWIDTH, EBML_UINT, 0, offsetof(MatroskaTrackVideo, display_width), { .u=-1 } },
- { MATROSKA_ID_VIDEODISPLAYHEIGHT, EBML_UINT, 0, offsetof(MatroskaTrackVideo, display_height), { .u=-1 } },
- { MATROSKA_ID_VIDEOPIXELWIDTH, EBML_UINT, 0, offsetof(MatroskaTrackVideo, pixel_width) },
- { MATROSKA_ID_VIDEOPIXELHEIGHT, EBML_UINT, 0, offsetof(MatroskaTrackVideo, pixel_height) },
- { MATROSKA_ID_VIDEOCOLORSPACE, EBML_BIN, 0, offsetof(MatroskaTrackVideo, color_space) },
- { MATROSKA_ID_VIDEOALPHAMODE, EBML_UINT, 0, offsetof(MatroskaTrackVideo, alpha_mode) },
- { MATROSKA_ID_VIDEOCOLOR, EBML_NEST, sizeof(MatroskaTrackVideoColor), offsetof(MatroskaTrackVideo, color), { .n = matroska_track_video_color } },
- { MATROSKA_ID_VIDEOPROJECTION, EBML_NEST, 0, offsetof(MatroskaTrackVideo, projection), { .n = matroska_track_video_projection } },
+static EbmlSyntax matroska_track_video[] = {
+ { MATROSKA_ID_VIDEOFRAMERATE, EBML_FLOAT, 0, 0, offsetof(MatroskaTrackVideo, frame_rate) },
+ { MATROSKA_ID_VIDEODISPLAYWIDTH, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideo, display_width), { .u=-1 } },
+ { MATROSKA_ID_VIDEODISPLAYHEIGHT, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideo, display_height), { .u=-1 } },
+ { MATROSKA_ID_VIDEOPIXELWIDTH, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideo, pixel_width) },
+ { MATROSKA_ID_VIDEOPIXELHEIGHT, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideo, pixel_height) },
+ { MATROSKA_ID_VIDEOCOLORSPACE, EBML_BIN, 0, 0, offsetof(MatroskaTrackVideo, color_space) },
+ { MATROSKA_ID_VIDEOALPHAMODE, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideo, alpha_mode), { .u = 0 } },
+ { MATROSKA_ID_VIDEOCOLOR, EBML_NEST, 0, sizeof(MatroskaTrackVideoColor), offsetof(MatroskaTrackVideo, color), { .n = matroska_track_video_color } },
+ { MATROSKA_ID_VIDEOPROJECTION, EBML_NEST, 0, 0, offsetof(MatroskaTrackVideo, projection), { .n = matroska_track_video_projection } },
{ MATROSKA_ID_VIDEOPIXELCROPB, EBML_NONE },
{ MATROSKA_ID_VIDEOPIXELCROPT, EBML_NONE },
{ MATROSKA_ID_VIDEOPIXELCROPL, EBML_NONE },
{ MATROSKA_ID_VIDEOPIXELCROPR, EBML_NONE },
- { MATROSKA_ID_VIDEODISPLAYUNIT, EBML_UINT, 0, offsetof(MatroskaTrackVideo, display_unit), { .u= MATROSKA_VIDEO_DISPLAYUNIT_PIXELS } },
- { MATROSKA_ID_VIDEOFLAGINTERLACED, EBML_UINT, 0, offsetof(MatroskaTrackVideo, interlaced), { .u = MATROSKA_VIDEO_INTERLACE_FLAG_UNDETERMINED } },
- { MATROSKA_ID_VIDEOFIELDORDER, EBML_UINT, 0, offsetof(MatroskaTrackVideo, field_order), { .u = MATROSKA_VIDEO_FIELDORDER_UNDETERMINED } },
- { MATROSKA_ID_VIDEOSTEREOMODE, EBML_UINT, 0, offsetof(MatroskaTrackVideo, stereo_mode), { .u = MATROSKA_VIDEO_STEREOMODE_TYPE_NB } },
+ { MATROSKA_ID_VIDEODISPLAYUNIT, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideo, display_unit), { .u= MATROSKA_VIDEO_DISPLAYUNIT_PIXELS } },
+ { MATROSKA_ID_VIDEOFLAGINTERLACED, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideo, interlaced), { .u = MATROSKA_VIDEO_INTERLACE_FLAG_UNDETERMINED } },
+ { MATROSKA_ID_VIDEOFIELDORDER, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideo, field_order), { .u = MATROSKA_VIDEO_FIELDORDER_UNDETERMINED } },
+ { MATROSKA_ID_VIDEOSTEREOMODE, EBML_UINT, 0, 0, offsetof(MatroskaTrackVideo, stereo_mode), { .u = MATROSKA_VIDEO_STEREOMODE_TYPE_NB } },
{ MATROSKA_ID_VIDEOASPECTRATIO, EBML_NONE },
- { 0 }
+ CHILD_OF(matroska_track)
};
-static const EbmlSyntax matroska_track_audio[] = {
- { MATROSKA_ID_AUDIOSAMPLINGFREQ, EBML_FLOAT, 0, offsetof(MatroskaTrackAudio, samplerate), { .f = 8000.0 } },
- { MATROSKA_ID_AUDIOOUTSAMPLINGFREQ, EBML_FLOAT, 0, offsetof(MatroskaTrackAudio, out_samplerate) },
- { MATROSKA_ID_AUDIOBITDEPTH, EBML_UINT, 0, offsetof(MatroskaTrackAudio, bitdepth) },
- { MATROSKA_ID_AUDIOCHANNELS, EBML_UINT, 0, offsetof(MatroskaTrackAudio, channels), { .u = 1 } },
- { 0 }
+static EbmlSyntax matroska_track_audio[] = {
+ { MATROSKA_ID_AUDIOSAMPLINGFREQ, EBML_FLOAT, 0, 0, offsetof(MatroskaTrackAudio, samplerate), { .f = 8000.0 } },
+ { MATROSKA_ID_AUDIOOUTSAMPLINGFREQ, EBML_FLOAT, 0, 0, offsetof(MatroskaTrackAudio, out_samplerate) },
+ { MATROSKA_ID_AUDIOBITDEPTH, EBML_UINT, 0, 0, offsetof(MatroskaTrackAudio, bitdepth) },
+ { MATROSKA_ID_AUDIOCHANNELS, EBML_UINT, 0, 0, offsetof(MatroskaTrackAudio, channels), { .u = 1 } },
+ CHILD_OF(matroska_track)
};
-static const EbmlSyntax matroska_track_encoding_compression[] = {
- { MATROSKA_ID_ENCODINGCOMPALGO, EBML_UINT, 0, offsetof(MatroskaTrackCompression, algo), { .u = 0 } },
- { MATROSKA_ID_ENCODINGCOMPSETTINGS, EBML_BIN, 0, offsetof(MatroskaTrackCompression, settings) },
- { 0 }
+static EbmlSyntax matroska_track_encoding_compression[] = {
+ { MATROSKA_ID_ENCODINGCOMPALGO, EBML_UINT, 0, 0, offsetof(MatroskaTrackCompression, algo), { .u = MATROSKA_TRACK_ENCODING_COMP_ZLIB } },
+ { MATROSKA_ID_ENCODINGCOMPSETTINGS, EBML_BIN, 0, 0, offsetof(MatroskaTrackCompression, settings) },
+ CHILD_OF(matroska_track_encoding)
};
-static const EbmlSyntax matroska_track_encoding_encryption[] = {
- { MATROSKA_ID_ENCODINGENCALGO, EBML_UINT, 0, offsetof(MatroskaTrackEncryption,algo), {.u = 0} },
- { MATROSKA_ID_ENCODINGENCKEYID, EBML_BIN, 0, offsetof(MatroskaTrackEncryption,key_id) },
+static EbmlSyntax matroska_track_encoding_encryption[] = {
+ { MATROSKA_ID_ENCODINGENCALGO, EBML_UINT, 0, 0, offsetof(MatroskaTrackEncryption,algo), {.u = 0} },
+ { MATROSKA_ID_ENCODINGENCKEYID, EBML_BIN, 0, 0, offsetof(MatroskaTrackEncryption,key_id) },
{ MATROSKA_ID_ENCODINGENCAESSETTINGS, EBML_NONE },
{ MATROSKA_ID_ENCODINGSIGALGO, EBML_NONE },
{ MATROSKA_ID_ENCODINGSIGHASHALGO, EBML_NONE },
{ MATROSKA_ID_ENCODINGSIGKEYID, EBML_NONE },
{ MATROSKA_ID_ENCODINGSIGNATURE, EBML_NONE },
- { 0 }
+ CHILD_OF(matroska_track_encoding)
};
-static const EbmlSyntax matroska_track_encoding[] = {
- { MATROSKA_ID_ENCODINGSCOPE, EBML_UINT, 0, offsetof(MatroskaTrackEncoding, scope), { .u = 1 } },
- { MATROSKA_ID_ENCODINGTYPE, EBML_UINT, 0, offsetof(MatroskaTrackEncoding, type), { .u = 0 } },
- { MATROSKA_ID_ENCODINGCOMPRESSION, EBML_NEST, 0, offsetof(MatroskaTrackEncoding, compression), { .n = matroska_track_encoding_compression } },
- { MATROSKA_ID_ENCODINGENCRYPTION, EBML_NEST, 0, offsetof(MatroskaTrackEncoding, encryption), { .n = matroska_track_encoding_encryption } },
+static EbmlSyntax matroska_track_encoding[] = {
+ { MATROSKA_ID_ENCODINGSCOPE, EBML_UINT, 0, 0, offsetof(MatroskaTrackEncoding, scope), { .u = 1 } },
+ { MATROSKA_ID_ENCODINGTYPE, EBML_UINT, 0, 0, offsetof(MatroskaTrackEncoding, type), { .u = 0 } },
+ { MATROSKA_ID_ENCODINGCOMPRESSION, EBML_NEST, 0, 0, offsetof(MatroskaTrackEncoding, compression), { .n = matroska_track_encoding_compression } },
+ { MATROSKA_ID_ENCODINGENCRYPTION, EBML_NEST, 0, 0, offsetof(MatroskaTrackEncoding, encryption), { .n = matroska_track_encoding_encryption } },
{ MATROSKA_ID_ENCODINGORDER, EBML_NONE },
- { 0 }
+ CHILD_OF(matroska_track_encodings)
};
-static const EbmlSyntax matroska_track_encodings[] = {
- { MATROSKA_ID_TRACKCONTENTENCODING, EBML_NEST, sizeof(MatroskaTrackEncoding), offsetof(MatroskaTrack, encodings), { .n = matroska_track_encoding } },
- { 0 }
+static EbmlSyntax matroska_track_encodings[] = {
+ { MATROSKA_ID_TRACKCONTENTENCODING, EBML_NEST, 0, sizeof(MatroskaTrackEncoding), offsetof(MatroskaTrack, encodings), { .n = matroska_track_encoding } },
+ CHILD_OF(matroska_track)
};
-static const EbmlSyntax matroska_track_plane[] = {
- { MATROSKA_ID_TRACKPLANEUID, EBML_UINT, 0, offsetof(MatroskaTrackPlane,uid) },
- { MATROSKA_ID_TRACKPLANETYPE, EBML_UINT, 0, offsetof(MatroskaTrackPlane,type) },
- { 0 }
+static EbmlSyntax matroska_track_plane[] = {
+ { MATROSKA_ID_TRACKPLANEUID, EBML_UINT, 0, 0, offsetof(MatroskaTrackPlane,uid) },
+ { MATROSKA_ID_TRACKPLANETYPE, EBML_UINT, 0, 0, offsetof(MatroskaTrackPlane,type) },
+ CHILD_OF(matroska_track_combine_planes)
};
-static const EbmlSyntax matroska_track_combine_planes[] = {
- { MATROSKA_ID_TRACKPLANE, EBML_NEST, sizeof(MatroskaTrackPlane), offsetof(MatroskaTrackOperation,combine_planes), {.n = matroska_track_plane} },
- { 0 }
+static EbmlSyntax matroska_track_combine_planes[] = {
+ { MATROSKA_ID_TRACKPLANE, EBML_NEST, 0, sizeof(MatroskaTrackPlane), offsetof(MatroskaTrackOperation,combine_planes), {.n = matroska_track_plane} },
+ CHILD_OF(matroska_track_operation)
};
-static const EbmlSyntax matroska_track_operation[] = {
- { MATROSKA_ID_TRACKCOMBINEPLANES, EBML_NEST, 0, 0, {.n = matroska_track_combine_planes} },
- { 0 }
+static EbmlSyntax matroska_track_operation[] = {
+ { MATROSKA_ID_TRACKCOMBINEPLANES, EBML_NEST, 0, 0, 0, {.n = matroska_track_combine_planes} },
+ CHILD_OF(matroska_track)
};
-static const EbmlSyntax matroska_track[] = {
- { MATROSKA_ID_TRACKNUMBER, EBML_UINT, 0, offsetof(MatroskaTrack, num) },
- { MATROSKA_ID_TRACKNAME, EBML_UTF8, 0, offsetof(MatroskaTrack, name) },
- { MATROSKA_ID_TRACKUID, EBML_UINT, 0, offsetof(MatroskaTrack, uid) },
- { MATROSKA_ID_TRACKTYPE, EBML_UINT, 0, offsetof(MatroskaTrack, type) },
- { MATROSKA_ID_CODECID, EBML_STR, 0, offsetof(MatroskaTrack, codec_id) },
- { MATROSKA_ID_CODECPRIVATE, EBML_BIN, 0, offsetof(MatroskaTrack, codec_priv) },
- { MATROSKA_ID_CODECDELAY, EBML_UINT, 0, offsetof(MatroskaTrack, codec_delay) },
- { MATROSKA_ID_TRACKLANGUAGE, EBML_UTF8, 0, offsetof(MatroskaTrack, language), { .s = "eng" } },
- { MATROSKA_ID_TRACKDEFAULTDURATION, EBML_UINT, 0, offsetof(MatroskaTrack, default_duration) },
- { MATROSKA_ID_TRACKTIMECODESCALE, EBML_FLOAT, 0, offsetof(MatroskaTrack, time_scale), { .f = 1.0 } },
- { MATROSKA_ID_TRACKFLAGDEFAULT, EBML_UINT, 0, offsetof(MatroskaTrack, flag_default), { .u = 1 } },
- { MATROSKA_ID_TRACKFLAGFORCED, EBML_UINT, 0, offsetof(MatroskaTrack, flag_forced), { .u = 0 } },
- { MATROSKA_ID_TRACKVIDEO, EBML_NEST, 0, offsetof(MatroskaTrack, video), { .n = matroska_track_video } },
- { MATROSKA_ID_TRACKAUDIO, EBML_NEST, 0, offsetof(MatroskaTrack, audio), { .n = matroska_track_audio } },
- { MATROSKA_ID_TRACKOPERATION, EBML_NEST, 0, offsetof(MatroskaTrack, operation), { .n = matroska_track_operation } },
- { MATROSKA_ID_TRACKCONTENTENCODINGS, EBML_NEST, 0, 0, { .n = matroska_track_encodings } },
- { MATROSKA_ID_TRACKMAXBLKADDID, EBML_UINT, 0, offsetof(MatroskaTrack, max_block_additional_id) },
- { MATROSKA_ID_SEEKPREROLL, EBML_UINT, 0, offsetof(MatroskaTrack, seek_preroll) },
+static EbmlSyntax matroska_track[] = {
+ { MATROSKA_ID_TRACKNUMBER, EBML_UINT, 0, 0, offsetof(MatroskaTrack, num) },
+ { MATROSKA_ID_TRACKNAME, EBML_UTF8, 0, 0, offsetof(MatroskaTrack, name) },
+ { MATROSKA_ID_TRACKUID, EBML_UINT, 0, 0, offsetof(MatroskaTrack, uid) },
+ { MATROSKA_ID_TRACKTYPE, EBML_UINT, 0, 0, offsetof(MatroskaTrack, type) },
+ { MATROSKA_ID_CODECID, EBML_STR, 0, 0, offsetof(MatroskaTrack, codec_id) },
+ { MATROSKA_ID_CODECPRIVATE, EBML_BIN, 0, 0, offsetof(MatroskaTrack, codec_priv) },
+ { MATROSKA_ID_CODECDELAY, EBML_UINT, 0, 0, offsetof(MatroskaTrack, codec_delay), { .u = 0 } },
+ { MATROSKA_ID_TRACKLANGUAGE, EBML_STR, 0, 0, offsetof(MatroskaTrack, language), { .s = "eng" } },
+ { MATROSKA_ID_TRACKDEFAULTDURATION, EBML_UINT, 0, 0, offsetof(MatroskaTrack, default_duration) },
+ { MATROSKA_ID_TRACKTIMECODESCALE, EBML_FLOAT, 0, 0, offsetof(MatroskaTrack, time_scale), { .f = 1.0 } },
+ { MATROSKA_ID_TRACKFLAGCOMMENTARY, EBML_UINT, 0, 0, offsetof(MatroskaTrack, flag_comment), { .u = 0 } },
+ { MATROSKA_ID_TRACKFLAGDEFAULT, EBML_UINT, 0, 0, offsetof(MatroskaTrack, flag_default), { .u = 1 } },
+ { MATROSKA_ID_TRACKFLAGFORCED, EBML_UINT, 0, 0, offsetof(MatroskaTrack, flag_forced), { .u = 0 } },
+ { MATROSKA_ID_TRACKFLAGHEARINGIMPAIRED, EBML_UINT, 0, 0, offsetof(MatroskaTrack, flag_hearingimpaired), { .u = 0 } },
+ { MATROSKA_ID_TRACKFLAGVISUALIMPAIRED, EBML_UINT, 0, 0, offsetof(MatroskaTrack, flag_visualimpaired), { .u = 0 } },
+ { MATROSKA_ID_TRACKFLAGTEXTDESCRIPTIONS, EBML_UINT, 0, 0, offsetof(MatroskaTrack, flag_textdescriptions), { .u = 0 } },
+ { MATROSKA_ID_TRACKFLAGORIGINAL, EBML_UINT, 1, 0, offsetof(MatroskaTrack, flag_original), {.u = 0 } },
+ { MATROSKA_ID_TRACKVIDEO, EBML_NEST, 0, 0, offsetof(MatroskaTrack, video), { .n = matroska_track_video } },
+ { MATROSKA_ID_TRACKAUDIO, EBML_NEST, 0, 0, offsetof(MatroskaTrack, audio), { .n = matroska_track_audio } },
+ { MATROSKA_ID_TRACKOPERATION, EBML_NEST, 0, 0, offsetof(MatroskaTrack, operation), { .n = matroska_track_operation } },
+ { MATROSKA_ID_TRACKCONTENTENCODINGS, EBML_NEST, 0, 0, 0, { .n = matroska_track_encodings } },
+ { MATROSKA_ID_TRACKMAXBLKADDID, EBML_UINT, 0, 0, offsetof(MatroskaTrack, max_block_additional_id), { .u = 0 } },
+ { MATROSKA_ID_SEEKPREROLL, EBML_UINT, 0, 0, offsetof(MatroskaTrack, seek_preroll), { .u = 0 } },
{ MATROSKA_ID_TRACKFLAGENABLED, EBML_NONE },
{ MATROSKA_ID_TRACKFLAGLACING, EBML_NONE },
{ MATROSKA_ID_CODECNAME, EBML_NONE },
{ MATROSKA_ID_CODECDOWNLOADURL, EBML_NONE },
{ MATROSKA_ID_TRACKMINCACHE, EBML_NONE },
{ MATROSKA_ID_TRACKMAXCACHE, EBML_NONE },
- { 0 }
+ CHILD_OF(matroska_tracks)
};
-static const EbmlSyntax matroska_tracks[] = {
- { MATROSKA_ID_TRACKENTRY, EBML_NEST, sizeof(MatroskaTrack), offsetof(MatroskaDemuxContext, tracks), { .n = matroska_track } },
- { 0 }
+static EbmlSyntax matroska_tracks[] = {
+ { MATROSKA_ID_TRACKENTRY, EBML_NEST, 0, sizeof(MatroskaTrack), offsetof(MatroskaDemuxContext, tracks), { .n = matroska_track } },
+ CHILD_OF(matroska_segment)
};
-static const EbmlSyntax matroska_attachment[] = {
- { MATROSKA_ID_FILEUID, EBML_UINT, 0, offsetof(MatroskaAttachment, uid) },
- { MATROSKA_ID_FILENAME, EBML_UTF8, 0, offsetof(MatroskaAttachment, filename) },
- { MATROSKA_ID_FILEMIMETYPE, EBML_STR, 0, offsetof(MatroskaAttachment, mime) },
- { MATROSKA_ID_FILEDATA, EBML_BIN, 0, offsetof(MatroskaAttachment, bin) },
- { MATROSKA_ID_FILEDESC, EBML_NONE },
- { 0 }
+static EbmlSyntax matroska_attachment[] = {
+ { MATROSKA_ID_FILEUID, EBML_UINT, 0, 0, offsetof(MatroskaAttachment, uid) },
+ { MATROSKA_ID_FILENAME, EBML_UTF8, 0, 0, offsetof(MatroskaAttachment, filename) },
+ { MATROSKA_ID_FILEMIMETYPE, EBML_STR, 0, 0, offsetof(MatroskaAttachment, mime) },
+ { MATROSKA_ID_FILEDATA, EBML_BIN, 0, 0, offsetof(MatroskaAttachment, bin) },
+ { MATROSKA_ID_FILEDESC, EBML_UTF8, 0, 0, offsetof(MatroskaAttachment, description) },
+ CHILD_OF(matroska_attachments)
};
-static const EbmlSyntax matroska_attachments[] = {
- { MATROSKA_ID_ATTACHEDFILE, EBML_NEST, sizeof(MatroskaAttachment), offsetof(MatroskaDemuxContext, attachments), { .n = matroska_attachment } },
- { 0 }
+static EbmlSyntax matroska_attachments[] = {
+ { MATROSKA_ID_ATTACHEDFILE, EBML_NEST, 0, sizeof(MatroskaAttachment), offsetof(MatroskaDemuxContext, attachments), { .n = matroska_attachment } },
+ CHILD_OF(matroska_segment)
};
-static const EbmlSyntax matroska_chapter_display[] = {
- { MATROSKA_ID_CHAPSTRING, EBML_UTF8, 0, offsetof(MatroskaChapter, title) },
+static EbmlSyntax matroska_chapter_display[] = {
+ { MATROSKA_ID_CHAPSTRING, EBML_UTF8, 0, 0, offsetof(MatroskaChapter, title) },
{ MATROSKA_ID_CHAPLANG, EBML_NONE },
{ MATROSKA_ID_CHAPCOUNTRY, EBML_NONE },
- { 0 }
+ CHILD_OF(matroska_chapter_entry)
};
-static const EbmlSyntax matroska_chapter_entry[] = {
- { MATROSKA_ID_CHAPTERTIMESTART, EBML_UINT, 0, offsetof(MatroskaChapter, start), { .u = AV_NOPTS_VALUE } },
- { MATROSKA_ID_CHAPTERTIMEEND, EBML_UINT, 0, offsetof(MatroskaChapter, end), { .u = AV_NOPTS_VALUE } },
- { MATROSKA_ID_CHAPTERUID, EBML_UINT, 0, offsetof(MatroskaChapter, uid) },
- { MATROSKA_ID_CHAPTERDISPLAY, EBML_NEST, 0, 0, { .n = matroska_chapter_display } },
+static EbmlSyntax matroska_chapter_entry[] = {
+ { MATROSKA_ID_CHAPTERTIMESTART, EBML_UINT, 0, 0, offsetof(MatroskaChapter, start), { .u = AV_NOPTS_VALUE } },
+ { MATROSKA_ID_CHAPTERTIMEEND, EBML_UINT, 0, 0, offsetof(MatroskaChapter, end), { .u = AV_NOPTS_VALUE } },
+ { MATROSKA_ID_CHAPTERUID, EBML_UINT, 0, 0, offsetof(MatroskaChapter, uid) },
+ { MATROSKA_ID_CHAPTERDISPLAY, EBML_NEST, 0, 0, 0, { .n = matroska_chapter_display } },
{ MATROSKA_ID_CHAPTERFLAGHIDDEN, EBML_NONE },
{ MATROSKA_ID_CHAPTERFLAGENABLED, EBML_NONE },
{ MATROSKA_ID_CHAPTERPHYSEQUIV, EBML_NONE },
{ MATROSKA_ID_CHAPTERATOM, EBML_NONE },
- { 0 }
+ CHILD_OF(matroska_chapter)
};
-static const EbmlSyntax matroska_chapter[] = {
- { MATROSKA_ID_CHAPTERATOM, EBML_NEST, sizeof(MatroskaChapter), offsetof(MatroskaDemuxContext, chapters), { .n = matroska_chapter_entry } },
+static EbmlSyntax matroska_chapter[] = {
+ { MATROSKA_ID_CHAPTERATOM, EBML_NEST, 0, sizeof(MatroskaChapter), offsetof(MatroskaDemuxContext, chapters), { .n = matroska_chapter_entry } },
{ MATROSKA_ID_EDITIONUID, EBML_NONE },
{ MATROSKA_ID_EDITIONFLAGHIDDEN, EBML_NONE },
{ MATROSKA_ID_EDITIONFLAGDEFAULT, EBML_NONE },
{ MATROSKA_ID_EDITIONFLAGORDERED, EBML_NONE },
- { 0 }
+ CHILD_OF(matroska_chapters)
};
-static const EbmlSyntax matroska_chapters[] = {
- { MATROSKA_ID_EDITIONENTRY, EBML_NEST, 0, 0, { .n = matroska_chapter } },
- { 0 }
+static EbmlSyntax matroska_chapters[] = {
+ { MATROSKA_ID_EDITIONENTRY, EBML_NEST, 0, 0, 0, { .n = matroska_chapter } },
+ CHILD_OF(matroska_segment)
};
-static const EbmlSyntax matroska_index_pos[] = {
- { MATROSKA_ID_CUETRACK, EBML_UINT, 0, offsetof(MatroskaIndexPos, track) },
- { MATROSKA_ID_CUECLUSTERPOSITION, EBML_UINT, 0, offsetof(MatroskaIndexPos, pos) },
+static EbmlSyntax matroska_index_pos[] = {
+ { MATROSKA_ID_CUETRACK, EBML_UINT, 0, 0, offsetof(MatroskaIndexPos, track) },
+ { MATROSKA_ID_CUECLUSTERPOSITION, EBML_UINT, 0, 0, offsetof(MatroskaIndexPos, pos) },
{ MATROSKA_ID_CUERELATIVEPOSITION,EBML_NONE },
{ MATROSKA_ID_CUEDURATION, EBML_NONE },
{ MATROSKA_ID_CUEBLOCKNUMBER, EBML_NONE },
- { 0 }
+ CHILD_OF(matroska_index_entry)
};
-static const EbmlSyntax matroska_index_entry[] = {
- { MATROSKA_ID_CUETIME, EBML_UINT, 0, offsetof(MatroskaIndex, time) },
- { MATROSKA_ID_CUETRACKPOSITION, EBML_NEST, sizeof(MatroskaIndexPos), offsetof(MatroskaIndex, pos), { .n = matroska_index_pos } },
- { 0 }
+static EbmlSyntax matroska_index_entry[] = {
+ { MATROSKA_ID_CUETIME, EBML_UINT, 0, 0, offsetof(MatroskaIndex, time) },
+ { MATROSKA_ID_CUETRACKPOSITION, EBML_NEST, 0, sizeof(MatroskaIndexPos), offsetof(MatroskaIndex, pos), { .n = matroska_index_pos } },
+ CHILD_OF(matroska_index)
};
-static const EbmlSyntax matroska_index[] = {
- { MATROSKA_ID_POINTENTRY, EBML_NEST, sizeof(MatroskaIndex), offsetof(MatroskaDemuxContext, index), { .n = matroska_index_entry } },
- { 0 }
+static EbmlSyntax matroska_index[] = {
+ { MATROSKA_ID_POINTENTRY, EBML_NEST, 0, sizeof(MatroskaIndex), offsetof(MatroskaDemuxContext, index), { .n = matroska_index_entry } },
+ CHILD_OF(matroska_segment)
};
-static const EbmlSyntax matroska_simpletag[] = {
- { MATROSKA_ID_TAGNAME, EBML_UTF8, 0, offsetof(MatroskaTag, name) },
- { MATROSKA_ID_TAGSTRING, EBML_UTF8, 0, offsetof(MatroskaTag, string) },
- { MATROSKA_ID_TAGLANG, EBML_STR, 0, offsetof(MatroskaTag, lang), { .s = "und" } },
- { MATROSKA_ID_TAGDEFAULT, EBML_UINT, 0, offsetof(MatroskaTag, def) },
- { MATROSKA_ID_TAGDEFAULT_BUG, EBML_UINT, 0, offsetof(MatroskaTag, def) },
- { MATROSKA_ID_SIMPLETAG, EBML_NEST, sizeof(MatroskaTag), offsetof(MatroskaTag, sub), { .n = matroska_simpletag } },
- { 0 }
+static EbmlSyntax matroska_simpletag[] = {
+ { MATROSKA_ID_TAGNAME, EBML_UTF8, 0, 0, offsetof(MatroskaTag, name) },
+ { MATROSKA_ID_TAGSTRING, EBML_UTF8, 0, 0, offsetof(MatroskaTag, string) },
+ { MATROSKA_ID_TAGLANG, EBML_STR, 0, 0, offsetof(MatroskaTag, lang), { .s = "und" } },
+ { MATROSKA_ID_TAGDEFAULT, EBML_UINT, 0, 0, offsetof(MatroskaTag, def) },
+ { MATROSKA_ID_TAGDEFAULT_BUG, EBML_UINT, 0, 0, offsetof(MatroskaTag, def) },
+ { MATROSKA_ID_SIMPLETAG, EBML_NEST, 0, sizeof(MatroskaTag), offsetof(MatroskaTag, sub), { .n = matroska_simpletag } },
+ CHILD_OF(matroska_tag)
};
-static const EbmlSyntax matroska_tagtargets[] = {
- { MATROSKA_ID_TAGTARGETS_TYPE, EBML_STR, 0, offsetof(MatroskaTagTarget, type) },
- { MATROSKA_ID_TAGTARGETS_TYPEVALUE, EBML_UINT, 0, offsetof(MatroskaTagTarget, typevalue), { .u = 50 } },
- { MATROSKA_ID_TAGTARGETS_TRACKUID, EBML_UINT, 0, offsetof(MatroskaTagTarget, trackuid) },
- { MATROSKA_ID_TAGTARGETS_CHAPTERUID, EBML_UINT, 0, offsetof(MatroskaTagTarget, chapteruid) },
- { MATROSKA_ID_TAGTARGETS_ATTACHUID, EBML_UINT, 0, offsetof(MatroskaTagTarget, attachuid) },
- { 0 }
+static EbmlSyntax matroska_tagtargets[] = {
+ { MATROSKA_ID_TAGTARGETS_TYPE, EBML_STR, 0, 0, offsetof(MatroskaTagTarget, type) },
+ { MATROSKA_ID_TAGTARGETS_TYPEVALUE, EBML_UINT, 0, 0, offsetof(MatroskaTagTarget, typevalue), { .u = 50 } },
+ { MATROSKA_ID_TAGTARGETS_TRACKUID, EBML_UINT, 0, 0, offsetof(MatroskaTagTarget, trackuid), { .u = 0 } },
+ { MATROSKA_ID_TAGTARGETS_CHAPTERUID, EBML_UINT, 0, 0, offsetof(MatroskaTagTarget, chapteruid), { .u = 0 } },
+ { MATROSKA_ID_TAGTARGETS_ATTACHUID, EBML_UINT, 0, 0, offsetof(MatroskaTagTarget, attachuid), { .u = 0 } },
+ CHILD_OF(matroska_tag)
};
-static const EbmlSyntax matroska_tag[] = {
- { MATROSKA_ID_SIMPLETAG, EBML_NEST, sizeof(MatroskaTag), offsetof(MatroskaTags, tag), { .n = matroska_simpletag } },
- { MATROSKA_ID_TAGTARGETS, EBML_NEST, 0, offsetof(MatroskaTags, target), { .n = matroska_tagtargets } },
- { 0 }
+static EbmlSyntax matroska_tag[] = {
+ { MATROSKA_ID_SIMPLETAG, EBML_NEST, 0, sizeof(MatroskaTag), offsetof(MatroskaTags, tag), { .n = matroska_simpletag } },
+ { MATROSKA_ID_TAGTARGETS, EBML_NEST, 0, 0, offsetof(MatroskaTags, target), { .n = matroska_tagtargets } },
+ CHILD_OF(matroska_tags)
};
-static const EbmlSyntax matroska_tags[] = {
- { MATROSKA_ID_TAG, EBML_NEST, sizeof(MatroskaTags), offsetof(MatroskaDemuxContext, tags), { .n = matroska_tag } },
- { 0 }
+static EbmlSyntax matroska_tags[] = {
+ { MATROSKA_ID_TAG, EBML_NEST, 0, sizeof(MatroskaTags), offsetof(MatroskaDemuxContext, tags), { .n = matroska_tag } },
+ CHILD_OF(matroska_segment)
};
-static const EbmlSyntax matroska_seekhead_entry[] = {
- { MATROSKA_ID_SEEKID, EBML_UINT, 0, offsetof(MatroskaSeekhead, id) },
- { MATROSKA_ID_SEEKPOSITION, EBML_UINT, 0, offsetof(MatroskaSeekhead, pos), { .u = -1 } },
- { 0 }
+static EbmlSyntax matroska_seekhead_entry[] = {
+ { MATROSKA_ID_SEEKID, EBML_UINT, 0, 0, offsetof(MatroskaSeekhead, id) },
+ { MATROSKA_ID_SEEKPOSITION, EBML_UINT, 0, 0, offsetof(MatroskaSeekhead, pos), { .u = -1 } },
+ CHILD_OF(matroska_seekhead)
};
-static const EbmlSyntax matroska_seekhead[] = {
- { MATROSKA_ID_SEEKENTRY, EBML_NEST, sizeof(MatroskaSeekhead), offsetof(MatroskaDemuxContext, seekhead), { .n = matroska_seekhead_entry } },
- { 0 }
+static EbmlSyntax matroska_seekhead[] = {
+ { MATROSKA_ID_SEEKENTRY, EBML_NEST, 0, sizeof(MatroskaSeekhead), offsetof(MatroskaDemuxContext, seekhead), { .n = matroska_seekhead_entry } },
+ CHILD_OF(matroska_segment)
};
-static const EbmlSyntax matroska_segment[] = {
- { MATROSKA_ID_INFO, EBML_LEVEL1, 0, 0, { .n = matroska_info } },
- { MATROSKA_ID_TRACKS, EBML_LEVEL1, 0, 0, { .n = matroska_tracks } },
- { MATROSKA_ID_ATTACHMENTS, EBML_LEVEL1, 0, 0, { .n = matroska_attachments } },
- { MATROSKA_ID_CHAPTERS, EBML_LEVEL1, 0, 0, { .n = matroska_chapters } },
- { MATROSKA_ID_CUES, EBML_LEVEL1, 0, 0, { .n = matroska_index } },
- { MATROSKA_ID_TAGS, EBML_LEVEL1, 0, 0, { .n = matroska_tags } },
- { MATROSKA_ID_SEEKHEAD, EBML_LEVEL1, 0, 0, { .n = matroska_seekhead } },
+static EbmlSyntax matroska_segment[] = {
{ MATROSKA_ID_CLUSTER, EBML_STOP },
- { 0 }
+ { MATROSKA_ID_INFO, EBML_LEVEL1, 0, 0, 0, { .n = matroska_info } },
+ { MATROSKA_ID_TRACKS, EBML_LEVEL1, 0, 0, 0, { .n = matroska_tracks } },
+ { MATROSKA_ID_ATTACHMENTS, EBML_LEVEL1, 0, 0, 0, { .n = matroska_attachments } },
+ { MATROSKA_ID_CHAPTERS, EBML_LEVEL1, 0, 0, 0, { .n = matroska_chapters } },
+ { MATROSKA_ID_CUES, EBML_LEVEL1, 0, 0, 0, { .n = matroska_index } },
+ { MATROSKA_ID_TAGS, EBML_LEVEL1, 0, 0, 0, { .n = matroska_tags } },
+ { MATROSKA_ID_SEEKHEAD, EBML_LEVEL1, 0, 0, 0, { .n = matroska_seekhead } },
+ { 0 } /* We don't want to go back to level 0, so don't add the parent. */
};
-static const EbmlSyntax matroska_segments[] = {
- { MATROSKA_ID_SEGMENT, EBML_NEST, 0, 0, { .n = matroska_segment } },
+static EbmlSyntax matroska_segments[] = {
+ { MATROSKA_ID_SEGMENT, EBML_NEST, 0, 0, 0, { .n = matroska_segment } },
{ 0 }
};
-static const EbmlSyntax matroska_blockmore[] = {
- { MATROSKA_ID_BLOCKADDID, EBML_UINT, 0, offsetof(MatroskaBlock,additional_id) },
- { MATROSKA_ID_BLOCKADDITIONAL, EBML_BIN, 0, offsetof(MatroskaBlock,additional) },
- { 0 }
+static EbmlSyntax matroska_blockmore[] = {
+ { MATROSKA_ID_BLOCKADDID, EBML_UINT, 0, 0, offsetof(MatroskaBlock,additional_id), { .u = 1 } },
+ { MATROSKA_ID_BLOCKADDITIONAL, EBML_BIN, 0, 0, offsetof(MatroskaBlock,additional) },
+ CHILD_OF(matroska_blockadditions)
};
-static const EbmlSyntax matroska_blockadditions[] = {
- { MATROSKA_ID_BLOCKMORE, EBML_NEST, 0, 0, {.n = matroska_blockmore} },
- { 0 }
+static EbmlSyntax matroska_blockadditions[] = {
+ { MATROSKA_ID_BLOCKMORE, EBML_NEST, 0, 0, 0, {.n = matroska_blockmore} },
+ CHILD_OF(matroska_blockgroup)
};
-static const EbmlSyntax matroska_blockgroup[] = {
- { MATROSKA_ID_BLOCK, EBML_BIN, 0, offsetof(MatroskaBlock, bin) },
- { MATROSKA_ID_BLOCKADDITIONS, EBML_NEST, 0, 0, { .n = matroska_blockadditions} },
- { MATROSKA_ID_BLOCKDURATION, EBML_UINT, 0, offsetof(MatroskaBlock, duration) },
- { MATROSKA_ID_DISCARDPADDING, EBML_SINT, 0, offsetof(MatroskaBlock, discard_padding) },
- { MATROSKA_ID_BLOCKREFERENCE, EBML_SINT, 0, offsetof(MatroskaBlock, reference), { .i = INT64_MIN } },
+static EbmlSyntax matroska_blockgroup[] = {
+ { MATROSKA_ID_BLOCK, EBML_BIN, 0, 0, offsetof(MatroskaBlock, bin) },
+ { MATROSKA_ID_BLOCKADDITIONS, EBML_NEST, 0, 0, 0, { .n = matroska_blockadditions} },
+ { MATROSKA_ID_BLOCKDURATION, EBML_UINT, 0, 0, offsetof(MatroskaBlock, duration) },
+ { MATROSKA_ID_DISCARDPADDING, EBML_SINT, 0, 0, offsetof(MatroskaBlock, discard_padding) },
+ { MATROSKA_ID_BLOCKREFERENCE, EBML_SINT, 1, 0, offsetof(MatroskaBlock, reference) },
{ MATROSKA_ID_CODECSTATE, EBML_NONE },
- { 1, EBML_UINT, 0, offsetof(MatroskaBlock, non_simple), { .u = 1 } },
- { 0 }
+ { 1, EBML_UINT, 0, 0, offsetof(MatroskaBlock, non_simple), { .u = 1 } },
+ CHILD_OF(matroska_cluster_parsing)
};
-static const EbmlSyntax matroska_cluster_parsing[] = {
- { MATROSKA_ID_CLUSTERTIMECODE, EBML_UINT, 0, offsetof(MatroskaCluster, timecode) },
- { MATROSKA_ID_BLOCKGROUP, EBML_NEST, 0, 0, { .n = matroska_blockgroup } },
- { MATROSKA_ID_SIMPLEBLOCK, EBML_BIN, 0, offsetof(MatroskaBlock, bin) },
+// The following array contains SimpleBlock and BlockGroup twice
+// in order to reuse the other values for matroska_cluster_enter.
+static EbmlSyntax matroska_cluster_parsing[] = {
+ { MATROSKA_ID_SIMPLEBLOCK, EBML_BIN, 0, 0, offsetof(MatroskaBlock, bin) },
+ { MATROSKA_ID_BLOCKGROUP, EBML_NEST, 0, 0, 0, { .n = matroska_blockgroup } },
+ { MATROSKA_ID_CLUSTERTIMECODE, EBML_UINT, 0, 0, offsetof(MatroskaCluster, timecode) },
+ { MATROSKA_ID_SIMPLEBLOCK, EBML_STOP },
+ { MATROSKA_ID_BLOCKGROUP, EBML_STOP },
{ MATROSKA_ID_CLUSTERPOSITION, EBML_NONE },
{ MATROSKA_ID_CLUSTERPREVSIZE, EBML_NONE },
- { MATROSKA_ID_INFO, EBML_NONE },
- { MATROSKA_ID_CUES, EBML_NONE },
- { MATROSKA_ID_TAGS, EBML_NONE },
- { MATROSKA_ID_SEEKHEAD, EBML_NONE },
- { MATROSKA_ID_CLUSTER, EBML_STOP },
- { 0 }
+ CHILD_OF(matroska_segment)
};
-static const EbmlSyntax matroska_cluster[] = {
- { MATROSKA_ID_CLUSTERTIMECODE, EBML_UINT, 0, offsetof(MatroskaCluster, timecode) },
- { MATROSKA_ID_BLOCKGROUP, EBML_STOP },
- { MATROSKA_ID_SIMPLEBLOCK, EBML_STOP },
- { MATROSKA_ID_CLUSTERPOSITION, EBML_NONE },
- { MATROSKA_ID_CLUSTERPREVSIZE, EBML_NONE },
+static EbmlSyntax matroska_cluster_enter[] = {
+ { MATROSKA_ID_CLUSTER, EBML_NEST, 0, 0, 0, { .n = &matroska_cluster_parsing[2] } },
{ 0 }
};
+#undef CHILD_OF
-static const EbmlSyntax matroska_clusters[] = {
- { MATROSKA_ID_CLUSTER, EBML_NEST, 0, 0, { .n = matroska_cluster } },
- { MATROSKA_ID_INFO, EBML_NONE },
- { MATROSKA_ID_CUES, EBML_NONE },
- { MATROSKA_ID_TAGS, EBML_NONE },
- { MATROSKA_ID_SEEKHEAD, EBML_NONE },
- { 0 }
+static const CodecMime mkv_image_mime_tags[] = {
+ {"image/gif" , AV_CODEC_ID_GIF},
+ {"image/jpeg" , AV_CODEC_ID_MJPEG},
+ {"image/png" , AV_CODEC_ID_PNG},
+ {"image/tiff" , AV_CODEC_ID_TIFF},
+
+ {"" , AV_CODEC_ID_NONE}
+};
+
+static const CodecMime mkv_mime_tags[] = {
+ {"text/plain" , AV_CODEC_ID_TEXT},
+ {"application/x-truetype-font", AV_CODEC_ID_TTF},
+ {"application/x-font" , AV_CODEC_ID_TTF},
+ {"application/vnd.ms-opentype", AV_CODEC_ID_OTF},
+ {"binary" , AV_CODEC_ID_BIN_DATA},
+
+ {"" , AV_CODEC_ID_NONE}
};
static const char *const matroska_doctypes[] = { "matroska", "webm" };
uint32_t id, int64_t position)
{
if (position >= 0) {
- int err = avio_seek(matroska->ctx->pb, position, SEEK_SET);
+ int64_t err = avio_seek(matroska->ctx->pb, position, SEEK_SET);
if (err < 0)
return err;
}
- matroska->current_id = id;
- matroska->num_levels = 1;
- matroska->current_cluster.pos = 0;
+ matroska->current_id = id;
+ matroska->num_levels = 1;
+ matroska->unknown_count = 0;
+ matroska->resync_pos = avio_tell(matroska->ctx->pb);
+ if (id)
+ matroska->resync_pos -= (av_log2(id) + 7) / 8;
return 0;
}
id == MATROSKA_ID_CLUSTER || id == MATROSKA_ID_CHAPTERS) {
/* Prepare the context for parsing of a level 1 element. */
matroska_reset_status(matroska, id, -1);
- /* Given that we are here means that an error has occured,
+ /* Given that we are here means that an error has occurred,
* so treat the segment as unknown length in order not to
* discard valid data that happens to be beyond the designated
* end of the segment. */
return pb->error ? pb->error : AVERROR_EOF;
}
-/*
- * Return: Whether we reached the end of a level in the hierarchy or not.
- */
-static int ebml_level_end(MatroskaDemuxContext *matroska)
-{
- AVIOContext *pb = matroska->ctx->pb;
- int64_t pos = avio_tell(pb);
-
- if (matroska->num_levels > 0) {
- MatroskaLevel *level = &matroska->levels[matroska->num_levels - 1];
- if (pos - level->start >= level->length || matroska->current_id) {
- matroska->num_levels--;
- return 1;
- }
- }
- return (matroska->is_live && matroska->ctx->pb->eof_reached) ? 1 : 0;
-}
-
/*
* Read: an "EBML number", which is defined as a variable-length
* array of bytes. The first byte indicates the length by giving a
/*
* Read the next element as an unsigned int.
- * Returns NEEDS_CHECKING.
+ * Returns NEEDS_CHECKING unless size == 0.
*/
-static int ebml_read_uint(AVIOContext *pb, int size, uint64_t *num)
+static int ebml_read_uint(AVIOContext *pb, int size,
+ uint64_t default_value, uint64_t *num)
{
int n = 0;
+ if (size == 0) {
+ *num = default_value;
+ return 0;
+ }
/* big-endian ordering; build up number */
*num = 0;
while (n++ < size)
/*
* Read the next element as a signed int.
- * Returns NEEDS_CHECKING.
+ * Returns NEEDS_CHECKING unless size == 0.
*/
-static int ebml_read_sint(AVIOContext *pb, int size, int64_t *num)
+static int ebml_read_sint(AVIOContext *pb, int size,
+ int64_t default_value, int64_t *num)
{
int n = 1;
if (size == 0) {
- *num = 0;
+ *num = default_value;
+ return 0;
} else {
*num = sign_extend(avio_r8(pb), 8);
/*
* Read the next element as a float.
- * Returns NEEDS_CHECKING or < 0 on obvious failure.
+ * Returns 0 if size == 0, NEEDS_CHECKING or < 0 on obvious failure.
*/
-static int ebml_read_float(AVIOContext *pb, int size, double *num)
+static int ebml_read_float(AVIOContext *pb, int size,
+ double default_value, double *num)
{
- if (size == 0)
- *num = 0;
- else if (size == 4)
+ if (size == 0) {
+ *num = default_value;
+ return 0;
+ } else if (size == 4) {
*num = av_int2float(avio_rb32(pb));
- else if (size == 8)
+ } else if (size == 8) {
*num = av_int2double(avio_rb64(pb));
- else
+ } else
return AVERROR_INVALIDDATA;
return NEEDS_CHECKING;
* Read the next element as an ASCII string.
* 0 is success, < 0 or NEEDS_CHECKING is failure.
*/
-static int ebml_read_ascii(AVIOContext *pb, int size, char **str)
+static int ebml_read_ascii(AVIOContext *pb, int size,
+ const char *default_value, char **str)
{
char *res;
int ret;
- /* EBML strings are usually not 0-terminated, so we allocate one
- * byte more, read the string and NULL-terminate it ourselves. */
- if (!(res = av_malloc(size + 1)))
- return AVERROR(ENOMEM);
- if ((ret = avio_read(pb, (uint8_t *) res, size)) != size) {
- av_free(res);
- return ret < 0 ? ret : NEEDS_CHECKING;
+ if (size == 0 && default_value) {
+ res = av_strdup(default_value);
+ if (!res)
+ return AVERROR(ENOMEM);
+ } else {
+ /* EBML strings are usually not 0-terminated, so we allocate one
+ * byte more, read the string and NUL-terminate it ourselves. */
+ if (!(res = av_malloc(size + 1)))
+ return AVERROR(ENOMEM);
+ if ((ret = avio_read(pb, (uint8_t *) res, size)) != size) {
+ av_free(res);
+ return ret < 0 ? ret : NEEDS_CHECKING;
+ }
+ (res)[size] = '\0';
}
- (res)[size] = '\0';
av_free(*str);
*str = res;
* Read the next element as binary data.
* 0 is success, < 0 or NEEDS_CHECKING is failure.
*/
-static int ebml_read_binary(AVIOContext *pb, int length, EbmlBin *bin)
+static int ebml_read_binary(AVIOContext *pb, int length,
+ int64_t pos, EbmlBin *bin)
{
int ret;
bin->data = bin->buf->data;
bin->size = length;
- bin->pos = avio_tell(pb);
+ bin->pos = pos;
if ((ret = avio_read(pb, bin->data, length)) != length) {
av_buffer_unref(&bin->buf);
bin->data = NULL;
* are supposed to be sub-elements which can be read separately.
* 0 is success, < 0 is failure.
*/
-static int ebml_read_master(MatroskaDemuxContext *matroska, uint64_t length)
+static int ebml_read_master(MatroskaDemuxContext *matroska,
+ uint64_t length, int64_t pos)
{
- AVIOContext *pb = matroska->ctx->pb;
MatroskaLevel *level;
if (matroska->num_levels >= EBML_MAX_DEPTH) {
}
level = &matroska->levels[matroska->num_levels++];
- level->start = avio_tell(pb);
+ level->start = pos;
level->length = length;
return 0;
}
/*
- * Read signed/unsigned "EBML" numbers.
+ * Read a signed "EBML number"
* Return: number of bytes processed, < 0 on error
*/
-static int matroska_ebmlnum_uint(MatroskaDemuxContext *matroska,
- uint8_t *data, uint32_t size, uint64_t *num)
-{
- AVIOContext pb;
- ffio_init_context(&pb, data, size, 0, NULL, NULL, NULL, NULL);
- return ebml_read_num(matroska, &pb, FFMIN(size, 8), num, 1);
-}
-
-/*
- * Same as above, but signed.
- */
static int matroska_ebmlnum_sint(MatroskaDemuxContext *matroska,
- uint8_t *data, uint32_t size, int64_t *num)
+ AVIOContext *pb, int64_t *num)
{
uint64_t unum;
int res;
/* read as unsigned number first */
- if ((res = matroska_ebmlnum_uint(matroska, data, size, &unum)) < 0)
+ if ((res = ebml_read_num(matroska, pb, 8, &unum, 1)) < 0)
return res;
/* make signed (weird way) */
return res;
}
-static int ebml_parse_elem(MatroskaDemuxContext *matroska,
- EbmlSyntax *syntax, void *data);
+static int ebml_parse(MatroskaDemuxContext *matroska,
+ EbmlSyntax *syntax, void *data);
-static int ebml_parse_id(MatroskaDemuxContext *matroska, EbmlSyntax *syntax,
- uint32_t id, void *data)
+static EbmlSyntax *ebml_parse_id(EbmlSyntax *syntax, uint32_t id)
{
int i;
+
+ // Whoever touches this should be aware of the duplication
+ // existing in matroska_cluster_parsing.
for (i = 0; syntax[i].id; i++)
if (id == syntax[i].id)
break;
- if (!syntax[i].id && id == MATROSKA_ID_CLUSTER &&
- matroska->num_levels > 0 &&
- matroska->levels[matroska->num_levels - 1].length == EBML_UNKNOWN_LENGTH)
- return 0; // we reached the end of an unknown size cluster
- if (!syntax[i].id && id != EBML_ID_VOID && id != EBML_ID_CRC32) {
- av_log(matroska->ctx, AV_LOG_DEBUG, "Unknown entry 0x%"PRIX32"\n", id);
- }
- return ebml_parse_elem(matroska, &syntax[i], data);
-}
-static int ebml_parse(MatroskaDemuxContext *matroska, EbmlSyntax *syntax,
- void *data)
-{
- if (!matroska->current_id) {
- uint64_t id;
- int res = ebml_read_num(matroska, matroska->ctx->pb, 4, &id, 0);
- if (res < 0) {
- // in live mode, finish parsing if EOF is reached.
- return (matroska->is_live && matroska->ctx->pb->eof_reached &&
- res == AVERROR_EOF) ? 1 : res;
- }
- matroska->current_id = id | 1 << 7 * res;
- }
- return ebml_parse_id(matroska, syntax, matroska->current_id, data);
+ return &syntax[i];
}
static int ebml_parse_nest(MatroskaDemuxContext *matroska, EbmlSyntax *syntax,
void *data)
{
- int i, res = 0;
+ int res;
- for (i = 0; syntax[i].id; i++)
- switch (syntax[i].type) {
- case EBML_SINT:
- *(int64_t *) ((char *) data + syntax[i].data_offset) = syntax[i].def.i;
- break;
- case EBML_UINT:
- *(uint64_t *) ((char *) data + syntax[i].data_offset) = syntax[i].def.u;
- break;
- case EBML_FLOAT:
- *(double *) ((char *) data + syntax[i].data_offset) = syntax[i].def.f;
- break;
- case EBML_STR:
- case EBML_UTF8:
- // the default may be NULL
- if (syntax[i].def.s) {
- uint8_t **dst = (uint8_t **) ((uint8_t *) data + syntax[i].data_offset);
- *dst = av_strdup(syntax[i].def.s);
- if (!*dst)
- return AVERROR(ENOMEM);
+ if (data) {
+ for (int i = 0; syntax[i].id; i++) {
+ void *dst = (char *)data + syntax[i].data_offset;
+ switch (syntax[i].type) {
+ case EBML_UINT:
+ *(uint64_t *)dst = syntax[i].def.u;
+ break;
+ case EBML_SINT:
+ *(int64_t *) dst = syntax[i].def.i;
+ break;
+ case EBML_FLOAT:
+ *(double *) dst = syntax[i].def.f;
+ break;
+ case EBML_STR:
+ case EBML_UTF8:
+ // the default may be NULL
+ if (syntax[i].def.s) {
+ *(char**)dst = av_strdup(syntax[i].def.s);
+ if (!*(char**)dst)
+ return AVERROR(ENOMEM);
+ }
+ break;
}
- break;
}
- while (!res && !ebml_level_end(matroska))
+ if (!matroska->levels[matroska->num_levels - 1].length) {
+ matroska->num_levels--;
+ return 0;
+ }
+ }
+
+ do {
res = ebml_parse(matroska, syntax, data);
+ } while (!res);
- return res;
+ return res == LEVEL_ENDED ? 0 : res;
}
static int is_ebml_id_valid(uint32_t id)
* an entry already exists, return the existing entry.
*/
static MatroskaLevel1Element *matroska_find_level1_elem(MatroskaDemuxContext *matroska,
- uint32_t id)
+ uint32_t id, int64_t pos)
{
int i;
MatroskaLevel1Element *elem;
if (id == MATROSKA_ID_CLUSTER)
return NULL;
- // There can be multiple seekheads.
- if (id != MATROSKA_ID_SEEKHEAD) {
- for (i = 0; i < matroska->num_level1_elems; i++) {
- if (matroska->level1_elems[i].id == id)
+ // There can be multiple SeekHeads and Tags.
+ for (i = 0; i < matroska->num_level1_elems; i++) {
+ if (matroska->level1_elems[i].id == id) {
+ if (matroska->level1_elems[i].pos == pos ||
+ id != MATROSKA_ID_SEEKHEAD && id != MATROSKA_ID_TAGS)
return &matroska->level1_elems[i];
}
}
// Only a completely broken file would have more elements.
- // It also provides a low-effort way to escape from circular seekheads
- // (every iteration will add a level1 entry).
if (matroska->num_level1_elems >= FF_ARRAY_ELEMS(matroska->level1_elems)) {
- av_log(matroska->ctx, AV_LOG_ERROR, "Too many level1 elements or circular seekheads.\n");
+ av_log(matroska->ctx, AV_LOG_ERROR, "Too many level1 elements.\n");
return NULL;
}
return elem;
}
-static int ebml_parse_elem(MatroskaDemuxContext *matroska,
- EbmlSyntax *syntax, void *data)
+static int ebml_parse(MatroskaDemuxContext *matroska,
+ EbmlSyntax *syntax, void *data)
{
static const uint64_t max_lengths[EBML_TYPE_COUNT] = {
+ // Forbid unknown-length EBML_NONE elements.
+ [EBML_NONE] = EBML_UNKNOWN_LENGTH - 1,
[EBML_UINT] = 8,
[EBML_SINT] = 8,
[EBML_FLOAT] = 8,
// no limits for anything else
};
AVIOContext *pb = matroska->ctx->pb;
- uint32_t id = syntax->id;
+ uint32_t id;
uint64_t length;
- int res;
- void *newelem;
+ int64_t pos = avio_tell(pb), pos_alt;
+ int res, update_pos = 1, level_check;
MatroskaLevel1Element *level1_elem;
+ MatroskaLevel *level = matroska->num_levels ? &matroska->levels[matroska->num_levels - 1] : NULL;
- data = (char *) data + syntax->data_offset;
- if (syntax->list_elem_size) {
- EbmlList *list = data;
- newelem = av_realloc_array(list->elem, list->nb_elem + 1, syntax->list_elem_size);
- if (!newelem)
- return AVERROR(ENOMEM);
- list->elem = newelem;
- data = (char *) list->elem + list->nb_elem * syntax->list_elem_size;
- memset(data, 0, syntax->list_elem_size);
- list->nb_elem++;
+ if (!matroska->current_id) {
+ uint64_t id;
+ res = ebml_read_num(matroska, pb, 4, &id, 0);
+ if (res < 0) {
+ if (pb->eof_reached && res == AVERROR_EOF) {
+ if (matroska->is_live)
+ // in live mode, finish parsing if EOF is reached.
+ return 1;
+ if (level && pos == avio_tell(pb)) {
+ if (level->length == EBML_UNKNOWN_LENGTH) {
+ // Unknown-length levels automatically end at EOF.
+ matroska->num_levels--;
+ return LEVEL_ENDED;
+ } else {
+ av_log(matroska->ctx, AV_LOG_ERROR, "File ended prematurely "
+ "at pos. %"PRIu64" (0x%"PRIx64")\n", pos, pos);
+ }
+ }
+ }
+ return res;
+ }
+ matroska->current_id = id | 1 << 7 * res;
+ pos_alt = pos + res;
+ } else {
+ pos_alt = pos;
+ pos -= (av_log2(matroska->current_id) + 7) / 8;
+ }
+
+ id = matroska->current_id;
+
+ syntax = ebml_parse_id(syntax, id);
+ if (!syntax->id && id != EBML_ID_VOID && id != EBML_ID_CRC32) {
+ if (level && level->length == EBML_UNKNOWN_LENGTH) {
+ // Unknown-length levels end when an element from an upper level
+ // in the hierarchy is encountered.
+ while (syntax->def.n) {
+ syntax = ebml_parse_id(syntax->def.n, id);
+ if (syntax->id) {
+ matroska->num_levels--;
+ return LEVEL_ENDED;
+ }
+ };
+ }
+
+ av_log(matroska->ctx, AV_LOG_DEBUG, "Unknown entry 0x%"PRIX32" at pos. "
+ "%"PRId64"\n", id, pos);
+ update_pos = 0; /* Don't update resync_pos as an error might have happened. */
+ }
+
+ if (data) {
+ data = (char *) data + syntax->data_offset;
+ if (syntax->list_elem_size) {
+ EbmlList *list = data;
+ void *newelem;
+
+ if ((unsigned)list->nb_elem + 1 >= UINT_MAX / syntax->list_elem_size)
+ return AVERROR(ENOMEM);
+ newelem = av_fast_realloc(list->elem,
+ &list->alloc_elem_size,
+ (list->nb_elem + 1) * syntax->list_elem_size);
+ if (!newelem)
+ return AVERROR(ENOMEM);
+ list->elem = newelem;
+ data = (char *) list->elem + list->nb_elem * syntax->list_elem_size;
+ memset(data, 0, syntax->list_elem_size);
+ list->nb_elem++;
+ }
}
if (syntax->type != EBML_STOP) {
matroska->current_id = 0;
if ((res = ebml_read_length(matroska, pb, &length)) < 0)
return res;
- if (max_lengths[syntax->type] && length > max_lengths[syntax->type]) {
- av_log(matroska->ctx, AV_LOG_ERROR,
- "Invalid length 0x%"PRIx64" > 0x%"PRIx64" for syntax element %i\n",
- length, max_lengths[syntax->type], syntax->type);
- return AVERROR_INVALIDDATA;
- }
- if (matroska->num_levels > 0) {
- MatroskaLevel *level = &matroska->levels[matroska->num_levels - 1];
- AVIOContext *pb = matroska->ctx->pb;
- int64_t pos = avio_tell(pb);
+ pos_alt += res;
+
+ if (matroska->num_levels > 0) {
if (length != EBML_UNKNOWN_LENGTH &&
level->length != EBML_UNKNOWN_LENGTH) {
- uint64_t elem_end = pos + length,
+ uint64_t elem_end = pos_alt + length,
level_end = level->start + level->length;
- if (level_end < elem_end) {
+ if (elem_end < level_end) {
+ level_check = 0;
+ } else if (elem_end == level_end) {
+ level_check = LEVEL_ENDED;
+ } else {
av_log(matroska->ctx, AV_LOG_ERROR,
"Element at 0x%"PRIx64" ending at 0x%"PRIx64" exceeds "
"containing master element ending at 0x%"PRIx64"\n",
pos, elem_end, level_end);
return AVERROR_INVALIDDATA;
}
+ } else if (length != EBML_UNKNOWN_LENGTH) {
+ level_check = 0;
} else if (level->length != EBML_UNKNOWN_LENGTH) {
av_log(matroska->ctx, AV_LOG_ERROR, "Unknown-sized element "
"at 0x%"PRIx64" inside parent with finite size\n", pos);
return AVERROR_INVALIDDATA;
- } else if (length == EBML_UNKNOWN_LENGTH && id != MATROSKA_ID_CLUSTER) {
- // According to the specifications only clusters and segments
- // are allowed to be unknown-sized.
+ } else {
+ level_check = 0;
+ if (id != MATROSKA_ID_CLUSTER && (syntax->type == EBML_LEVEL1
+ || syntax->type == EBML_NEST)) {
+ // According to the current specifications only clusters and
+ // segments are allowed to be unknown-length. We also accept
+ // other unknown-length master elements.
+ av_log(matroska->ctx, AV_LOG_WARNING,
+ "Found unknown-length element 0x%"PRIX32" other than "
+ "a cluster at 0x%"PRIx64". Spec-incompliant, but "
+ "parsing will nevertheless be attempted.\n", id, pos);
+ update_pos = -1;
+ }
+ }
+ } else
+ level_check = 0;
+
+ if (max_lengths[syntax->type] && length > max_lengths[syntax->type]) {
+ if (length != EBML_UNKNOWN_LENGTH) {
av_log(matroska->ctx, AV_LOG_ERROR,
- "Found unknown-sized element other than a cluster at "
- "0x%"PRIx64". Dropping the invalid element.\n", pos);
- return AVERROR_INVALIDDATA;
+ "Invalid length 0x%"PRIx64" > 0x%"PRIx64" for element "
+ "with ID 0x%"PRIX32" at 0x%"PRIx64"\n",
+ length, max_lengths[syntax->type], id, pos);
+ } else if (syntax->type != EBML_NONE) {
+ av_log(matroska->ctx, AV_LOG_ERROR,
+ "Element with ID 0x%"PRIX32" at pos. 0x%"PRIx64" has "
+ "unknown length, yet the length of an element of its "
+ "type must be known.\n", id, pos);
+ } else {
+ av_log(matroska->ctx, AV_LOG_ERROR,
+ "Found unknown-length element with ID 0x%"PRIX32" at "
+ "pos. 0x%"PRIx64" for which no syntax for parsing is "
+ "available.\n", id, pos);
}
+ return AVERROR_INVALIDDATA;
}
+
+ if (!(pb->seekable & AVIO_SEEKABLE_NORMAL)) {
+ // Loosing sync will likely manifest itself as encountering unknown
+ // elements which are not reliably distinguishable from elements
+ // belonging to future extensions of the format.
+ // We use a heuristic to detect such situations: If the current
+ // element is not expected at the current syntax level and there
+ // were only a few unknown elements in a row, then the element is
+ // skipped or considered defective based upon the length of the
+ // current element (i.e. how much would be skipped); if there were
+ // more than a few skipped elements in a row and skipping the current
+ // element would lead us more than SKIP_THRESHOLD away from the last
+ // known good position, then it is inferred that an error occurred.
+ // The dependency on the number of unknown elements in a row exists
+ // because the distance to the last known good position is
+ // automatically big if the last parsed element was big.
+ // In both cases, each unknown element is considered equivalent to
+ // UNKNOWN_EQUIV of skipped bytes for the check.
+ // The whole check is only done for non-seekable output, because
+ // in this situation skipped data can't simply be rechecked later.
+ // This is especially important when using unkown length elements
+ // as the check for whether a child exceeds its containing master
+ // element is not effective in this situation.
+ if (update_pos) {
+ matroska->unknown_count = 0;
+ } else {
+ int64_t dist = length + UNKNOWN_EQUIV * matroska->unknown_count++;
+
+ if (matroska->unknown_count > 3)
+ dist += pos_alt - matroska->resync_pos;
+
+ if (dist > SKIP_THRESHOLD) {
+ av_log(matroska->ctx, AV_LOG_ERROR,
+ "Unknown element %"PRIX32" at pos. 0x%"PRIx64" with "
+ "length 0x%"PRIx64" considered as invalid data. Last "
+ "known good position 0x%"PRIx64", %d unknown elements"
+ " in a row\n", id, pos, length, matroska->resync_pos,
+ matroska->unknown_count);
+ return AVERROR_INVALIDDATA;
+ }
+ }
+ }
+
+ if (update_pos > 0) {
+ // We have found an element that is allowed at this place
+ // in the hierarchy and it passed all checks, so treat the beginning
+ // of the element as the "last known good" position.
+ matroska->resync_pos = pos;
+ }
+
+ if (!data && length != EBML_UNKNOWN_LENGTH)
+ goto skip;
}
switch (syntax->type) {
case EBML_UINT:
- res = ebml_read_uint(pb, length, data);
+ res = ebml_read_uint(pb, length, syntax->def.u, data);
break;
case EBML_SINT:
- res = ebml_read_sint(pb, length, data);
+ res = ebml_read_sint(pb, length, syntax->def.i, data);
break;
case EBML_FLOAT:
- res = ebml_read_float(pb, length, data);
+ res = ebml_read_float(pb, length, syntax->def.f, data);
break;
case EBML_STR:
case EBML_UTF8:
- res = ebml_read_ascii(pb, length, data);
+ res = ebml_read_ascii(pb, length, syntax->def.s, data);
break;
case EBML_BIN:
- res = ebml_read_binary(pb, length, data);
+ res = ebml_read_binary(pb, length, pos_alt, data);
break;
case EBML_LEVEL1:
case EBML_NEST:
- if ((res = ebml_read_master(matroska, length)) < 0)
+ if ((res = ebml_read_master(matroska, length, pos_alt)) < 0)
return res;
if (id == MATROSKA_ID_SEGMENT)
- matroska->segment_start = avio_tell(matroska->ctx->pb);
+ matroska->segment_start = pos_alt;
if (id == MATROSKA_ID_CUES)
matroska->cues_parsing_deferred = 0;
if (syntax->type == EBML_LEVEL1 &&
- (level1_elem = matroska_find_level1_elem(matroska, syntax->id))) {
- if (level1_elem->parsed)
+ (level1_elem = matroska_find_level1_elem(matroska, syntax->id, pos))) {
+ if (!level1_elem->pos) {
+ // Zero is not a valid position for a level 1 element.
+ level1_elem->pos = pos;
+ } else if (level1_elem->pos != pos)
av_log(matroska->ctx, AV_LOG_ERROR, "Duplicate element\n");
level1_elem->parsed = 1;
}
- return ebml_parse_nest(matroska, syntax->def.n, data);
+ if (res = ebml_parse_nest(matroska, syntax->def.n, data))
+ return res;
+ break;
case EBML_STOP:
return 1;
+ skip:
default:
if (length) {
int64_t res2;
else
res = AVERROR_EOF;
} else
- res = 0;
+ goto level_check;
}
if (res == AVERROR_INVALIDDATA)
av_log(matroska->ctx, AV_LOG_ERROR, "File ended prematurely\n");
res = AVERROR(EIO);
}
+
+ return res;
}
- return res;
+
+level_check:
+ if (syntax->is_counted && data) {
+ CountedElement *elem = data;
+ if (elem->count != UINT_MAX)
+ elem->count++;
+ }
+
+ if (level_check == LEVEL_ENDED && matroska->num_levels) {
+ level = &matroska->levels[matroska->num_levels - 1];
+ pos = avio_tell(pb);
+
+ // Given that pos >= level->start no check for
+ // level->length != EBML_UNKNOWN_LENGTH is necessary.
+ while (matroska->num_levels && pos == level->start + level->length) {
+ matroska->num_levels--;
+ level--;
+ }
+ }
+
+ return level_check;
}
static void ebml_free(EbmlSyntax *syntax, void *data)
ebml_free(syntax[i].def.n, ptr);
av_freep(&list->elem);
list->nb_elem = 0;
+ list->alloc_elem_size = 0;
} else
ebml_free(syntax[i].def.n, data_off);
default:
while (n < size)
total = (total << 8) | p->buf[4 + n++];
- /* Does the probe data contain the whole header? */
- if (p->buf_size < 4 + size + total)
- return 0;
+ if (total + 1 == 1ULL << (7 * size)){
+ /* Unknown-length header - simply parse the whole buffer. */
+ total = p->buf_size - 4 - size;
+ } else {
+ /* Does the probe data contain the whole header? */
+ if (p->buf_size < 4 + size + total)
+ return 0;
+ }
/* The header should contain a known document type. For now,
* we don't parse the whole header but simply check for the
}
static MatroskaTrack *matroska_find_track_by_num(MatroskaDemuxContext *matroska,
- int num)
+ uint64_t num)
{
MatroskaTrack *tracks = matroska->tracks.elem;
int i;
if (tracks[i].num == num)
return &tracks[i];
- av_log(matroska->ctx, AV_LOG_ERROR, "Invalid track number %d\n", num);
+ av_log(matroska->ctx, AV_LOG_ERROR, "Invalid track number %"PRIu64"\n", num);
return NULL;
}
#if CONFIG_LZO
case MATROSKA_TRACK_ENCODING_COMP_LZO:
do {
+ int insize = isize;
olen = pkt_size *= 3;
newpktdata = av_realloc(pkt_data, pkt_size + AV_LZO_OUTPUT_PADDING
+ AV_INPUT_BUFFER_PADDING_SIZE);
goto failed;
}
pkt_data = newpktdata;
- result = av_lzo1x_decode(pkt_data, &olen, data, &isize);
+ result = av_lzo1x_decode(pkt_data, &olen, data, &insize);
} while (result == AV_LZO_OUTPUT_FULL && pkt_size < 10000000);
if (result) {
result = AVERROR_INVALIDDATA;
}
}
if (!found) {
- av_log(NULL, AV_LOG_WARNING,
+ av_log(s, AV_LOG_WARNING,
"The tags at index %d refer to a "
"non-existent attachment %"PRId64".\n",
i, tags[i].target.attachuid);
}
}
if (!found) {
- av_log(NULL, AV_LOG_WARNING,
+ av_log(s, AV_LOG_WARNING,
"The tags at index %d refer to a non-existent chapter "
"%"PRId64".\n",
i, tags[i].target.chapteruid);
}
}
if (!found) {
- av_log(NULL, AV_LOG_WARNING,
+ av_log(s, AV_LOG_WARNING,
"The tags at index %d refer to a non-existent track "
"%"PRId64".\n",
i, tags[i].target.trackuid);
}
static int matroska_parse_seekhead_entry(MatroskaDemuxContext *matroska,
- uint64_t pos)
+ int64_t pos)
{
- uint32_t saved_id = matroska->current_id;
+ uint32_t saved_id = matroska->current_id;
int64_t before_pos = avio_tell(matroska->ctx->pb);
- MatroskaLevel level;
- int64_t offset;
int ret = 0;
/* seek */
- offset = pos + matroska->segment_start;
- if (avio_seek(matroska->ctx->pb, offset, SEEK_SET) == offset) {
+ if (avio_seek(matroska->ctx->pb, pos, SEEK_SET) == pos) {
/* We don't want to lose our seekhead level, so we add
* a dummy. This is a crude hack. */
if (matroska->num_levels == EBML_MAX_DEPTH) {
"cannot parse further.\n", EBML_MAX_DEPTH);
ret = AVERROR_INVALIDDATA;
} else {
- level.start = 0;
- level.length = EBML_UNKNOWN_LENGTH;
- matroska->levels[matroska->num_levels] = level;
+ matroska->levels[matroska->num_levels] = (MatroskaLevel) { 0, EBML_UNKNOWN_LENGTH };
matroska->num_levels++;
matroska->current_id = 0;
ret = ebml_parse(matroska, matroska_segment, matroska);
+ if (ret == LEVEL_ENDED) {
+ /* This can only happen if the seek brought us beyond EOF. */
+ ret = AVERROR_EOF;
+ }
}
}
- /* Seek back - notice that in all instances where this is used it is safe
- * to set the level to 1 and unset the position of the current cluster. */
+ /* Seek back - notice that in all instances where this is used
+ * it is safe to set the level to 1. */
matroska_reset_status(matroska, saved_id, before_pos);
return ret;
for (i = 0; i < seekhead_list->nb_elem; i++) {
MatroskaSeekhead *seekheads = seekhead_list->elem;
- uint32_t id = seekheads[i].id;
- uint64_t pos = seekheads[i].pos;
+ uint32_t id = seekheads[i].id;
+ int64_t pos = seekheads[i].pos + matroska->segment_start;
+ MatroskaLevel1Element *elem;
+
+ if (id != seekheads[i].id || pos < matroska->segment_start)
+ continue;
- MatroskaLevel1Element *elem = matroska_find_level1_elem(matroska, id);
+ elem = matroska_find_level1_elem(matroska, id, pos);
if (!elem || elem->parsed)
continue;
static int mkv_field_order(MatroskaDemuxContext *matroska, int64_t field_order)
{
- int major, minor, micro, bttb = 0;
+ int minor, micro, bttb = 0;
/* workaround a bug in our Matroska muxer, introduced in version 57.36 alongside
* this function, and fixed in 57.52 */
- if (matroska->muxingapp && sscanf(matroska->muxingapp, "Lavf%d.%d.%d", &major, &minor, µ) == 3)
- bttb = (major == 57 && minor >= 36 && minor <= 51 && micro >= 100);
+ if (matroska->muxingapp && sscanf(matroska->muxingapp, "Lavf57.%d.%d", &minor, µ) == 2)
+ bttb = (minor >= 36 && minor <= 51 && micro >= 100);
switch (field_order) {
case MATROSKA_VIDEO_FIELDORDER_PROGRESSIVE:
mastering_meta->g_x > 0 && mastering_meta->g_y > 0 &&
mastering_meta->b_x > 0 && mastering_meta->b_y > 0 &&
mastering_meta->white_x > 0 && mastering_meta->white_y > 0;
- has_mastering_luminance = mastering_meta->max_luminance > 0;
+ has_mastering_luminance = mastering_meta->max_luminance >
+ mastering_meta->min_luminance.el.f &&
+ mastering_meta->min_luminance.el.f >= 0 &&
+ mastering_meta->min_luminance.count;
if (color->matrix_coefficients != AVCOL_SPC_RESERVED)
st->codecpar->color_space = color->matrix_coefficients;
}
if (has_mastering_primaries || has_mastering_luminance) {
- // Use similar rationals as other standards.
- const int chroma_den = 50000;
- const int luma_den = 10000;
AVMasteringDisplayMetadata *metadata =
(AVMasteringDisplayMetadata*) av_stream_new_side_data(
st, AV_PKT_DATA_MASTERING_DISPLAY_METADATA,
}
memset(metadata, 0, sizeof(AVMasteringDisplayMetadata));
if (has_mastering_primaries) {
- metadata->display_primaries[0][0] = av_make_q(
- round(mastering_meta->r_x * chroma_den), chroma_den);
- metadata->display_primaries[0][1] = av_make_q(
- round(mastering_meta->r_y * chroma_den), chroma_den);
- metadata->display_primaries[1][0] = av_make_q(
- round(mastering_meta->g_x * chroma_den), chroma_den);
- metadata->display_primaries[1][1] = av_make_q(
- round(mastering_meta->g_y * chroma_den), chroma_den);
- metadata->display_primaries[2][0] = av_make_q(
- round(mastering_meta->b_x * chroma_den), chroma_den);
- metadata->display_primaries[2][1] = av_make_q(
- round(mastering_meta->b_y * chroma_den), chroma_den);
- metadata->white_point[0] = av_make_q(
- round(mastering_meta->white_x * chroma_den), chroma_den);
- metadata->white_point[1] = av_make_q(
- round(mastering_meta->white_y * chroma_den), chroma_den);
+ metadata->display_primaries[0][0] = av_d2q(mastering_meta->r_x, INT_MAX);
+ metadata->display_primaries[0][1] = av_d2q(mastering_meta->r_y, INT_MAX);
+ metadata->display_primaries[1][0] = av_d2q(mastering_meta->g_x, INT_MAX);
+ metadata->display_primaries[1][1] = av_d2q(mastering_meta->g_y, INT_MAX);
+ metadata->display_primaries[2][0] = av_d2q(mastering_meta->b_x, INT_MAX);
+ metadata->display_primaries[2][1] = av_d2q(mastering_meta->b_y, INT_MAX);
+ metadata->white_point[0] = av_d2q(mastering_meta->white_x, INT_MAX);
+ metadata->white_point[1] = av_d2q(mastering_meta->white_y, INT_MAX);
metadata->has_primaries = 1;
}
if (has_mastering_luminance) {
- metadata->max_luminance = av_make_q(
- round(mastering_meta->max_luminance * luma_den), luma_den);
- metadata->min_luminance = av_make_q(
- round(mastering_meta->min_luminance * luma_den), luma_den);
+ metadata->max_luminance = av_d2q(mastering_meta->max_luminance, INT_MAX);
+ metadata->min_luminance = av_d2q(mastering_meta->min_luminance.el.f, INT_MAX);
metadata->has_luminance = 1;
}
}
return 0;
}
-static int mkv_parse_video_projection(AVStream *st, const MatroskaTrack *track) {
+static int mkv_parse_video_projection(AVStream *st, const MatroskaTrack *track,
+ void *logctx)
+{
AVSphericalMapping *spherical;
+ const MatroskaTrackVideoProjection *mkv_projection = &track->video.projection;
+ const uint8_t *priv_data = mkv_projection->private.data;
enum AVSphericalProjection projection;
size_t spherical_size;
uint32_t l = 0, t = 0, r = 0, b = 0;
uint32_t padding = 0;
int ret;
- GetByteContext gb;
-
- bytestream2_init(&gb, track->video.projection.private.data,
- track->video.projection.private.size);
- if (bytestream2_get_byte(&gb) != 0) {
- av_log(NULL, AV_LOG_WARNING, "Unknown spherical metadata\n");
+ if (mkv_projection->private.size && priv_data[0] != 0) {
+ av_log(logctx, AV_LOG_WARNING, "Unknown spherical metadata\n");
return 0;
}
- bytestream2_skip(&gb, 3); // flags
-
switch (track->video.projection.type) {
case MATROSKA_VIDEO_PROJECTION_TYPE_EQUIRECTANGULAR:
if (track->video.projection.private.size == 20) {
- t = bytestream2_get_be32(&gb);
- b = bytestream2_get_be32(&gb);
- l = bytestream2_get_be32(&gb);
- r = bytestream2_get_be32(&gb);
+ t = AV_RB32(priv_data + 4);
+ b = AV_RB32(priv_data + 8);
+ l = AV_RB32(priv_data + 12);
+ r = AV_RB32(priv_data + 16);
if (b >= UINT_MAX - t || r >= UINT_MAX - l) {
- av_log(NULL, AV_LOG_ERROR,
+ av_log(logctx, AV_LOG_ERROR,
"Invalid bounding rectangle coordinates "
"%"PRIu32",%"PRIu32",%"PRIu32",%"PRIu32"\n",
l, t, r, b);
return AVERROR_INVALIDDATA;
}
} else if (track->video.projection.private.size != 0) {
- av_log(NULL, AV_LOG_ERROR, "Unknown spherical metadata\n");
+ av_log(logctx, AV_LOG_ERROR, "Unknown spherical metadata\n");
return AVERROR_INVALIDDATA;
}
break;
case MATROSKA_VIDEO_PROJECTION_TYPE_CUBEMAP:
if (track->video.projection.private.size < 4) {
- av_log(NULL, AV_LOG_ERROR, "Missing projection private properties\n");
+ av_log(logctx, AV_LOG_ERROR, "Missing projection private properties\n");
return AVERROR_INVALIDDATA;
} else if (track->video.projection.private.size == 12) {
- uint32_t layout = bytestream2_get_be32(&gb);
+ uint32_t layout = AV_RB32(priv_data + 4);
if (layout) {
- av_log(NULL, AV_LOG_WARNING,
+ av_log(logctx, AV_LOG_WARNING,
"Unknown spherical cubemap layout %"PRIu32"\n", layout);
return 0;
}
projection = AV_SPHERICAL_CUBEMAP;
- padding = bytestream2_get_be32(&gb);
+ padding = AV_RB32(priv_data + 8);
} else {
- av_log(NULL, AV_LOG_ERROR, "Unknown spherical metadata\n");
+ av_log(logctx, AV_LOG_ERROR, "Unknown spherical metadata\n");
return AVERROR_INVALIDDATA;
}
break;
/* No Spherical metadata */
return 0;
default:
- av_log(NULL, AV_LOG_WARNING,
+ av_log(logctx, AV_LOG_WARNING,
"Unknown spherical metadata type %"PRIu64"\n",
track->video.projection.type);
return 0;
if (!track->codec_id)
continue;
+ if ( track->type == MATROSKA_TRACK_TYPE_AUDIO && track->codec_id[0] != 'A'
+ || track->type == MATROSKA_TRACK_TYPE_VIDEO && track->codec_id[0] != 'V'
+ || track->type == MATROSKA_TRACK_TYPE_SUBTITLE && track->codec_id[0] != 'D' && track->codec_id[0] != 'S'
+ || track->type == MATROSKA_TRACK_TYPE_METADATA && track->codec_id[0] != 'D' && track->codec_id[0] != 'S'
+ ) {
+ av_log(matroska->ctx, AV_LOG_INFO, "Inconsistent track type\n");
+ continue;
+ }
+
if (track->audio.samplerate < 0 || track->audio.samplerate > INT_MAX ||
isnan(track->audio.samplerate)) {
av_log(matroska->ctx, AV_LOG_WARNING,
}
}
}
+ track->needs_decoding = encodings && !encodings[0].type &&
+ encodings[0].scope & 1 &&
+ (encodings[0].compression.algo !=
+ MATROSKA_TRACK_ENCODING_COMP_HEADERSTRIP ||
+ encodings[0].compression.settings.size);
for (j = 0; ff_mkv_codec_tags[j].id != AV_CODEC_ID_NONE; j++) {
- if (!strncmp(ff_mkv_codec_tags[j].str, track->codec_id,
- strlen(ff_mkv_codec_tags[j].str))) {
+ if (av_strstart(track->codec_id, ff_mkv_codec_tags[j].str, NULL)) {
codec_id = ff_mkv_codec_tags[j].id;
break;
}
if (key_id_base64) {
/* export encryption key id as base64 metadata tag */
- av_dict_set(&st->metadata, "enc_key_id", key_id_base64, 0);
- av_freep(&key_id_base64);
+ av_dict_set(&st->metadata, "enc_key_id", key_id_base64,
+ AV_DICT_DONT_STRDUP_VAL);
}
if (!strcmp(track->codec_id, "V_MS/VFW/FOURCC") &&
memcpy(&extradata[12], track->codec_priv.data,
track->codec_priv.size);
} else if (codec_id == AV_CODEC_ID_TTA) {
- extradata_size = 30;
- extradata = av_mallocz(extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
- if (!extradata)
- return AVERROR(ENOMEM);
- ffio_init_context(&b, extradata, extradata_size, 1,
- NULL, NULL, NULL, NULL);
- avio_write(&b, "TTA1", 4);
- avio_wl16(&b, 1);
+ uint8_t *ptr;
if (track->audio.channels > UINT16_MAX ||
track->audio.bitdepth > UINT16_MAX) {
av_log(matroska->ctx, AV_LOG_WARNING,
"Too large audio channel number %"PRIu64
" or bitdepth %"PRIu64". Skipping track.\n",
track->audio.channels, track->audio.bitdepth);
- av_freep(&extradata);
if (matroska->ctx->error_recognition & AV_EF_EXPLODE)
return AVERROR_INVALIDDATA;
else
continue;
}
- avio_wl16(&b, track->audio.channels);
- avio_wl16(&b, track->audio.bitdepth);
if (track->audio.out_samplerate < 0 || track->audio.out_samplerate > INT_MAX)
return AVERROR_INVALIDDATA;
- avio_wl32(&b, track->audio.out_samplerate);
- avio_wl32(&b, av_rescale((matroska->duration * matroska->time_scale),
- track->audio.out_samplerate,
- AV_TIME_BASE * 1000));
+ extradata_size = 22;
+ extradata = av_mallocz(extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (!extradata)
+ return AVERROR(ENOMEM);
+ ptr = extradata;
+ bytestream_put_be32(&ptr, AV_RB32("TTA1"));
+ bytestream_put_le16(&ptr, 1);
+ bytestream_put_le16(&ptr, track->audio.channels);
+ bytestream_put_le16(&ptr, track->audio.bitdepth);
+ bytestream_put_le32(&ptr, track->audio.out_samplerate);
+ bytestream_put_le32(&ptr, av_rescale(matroska->duration * matroska->time_scale,
+ track->audio.out_samplerate,
+ AV_TIME_BASE * 1000));
} else if (codec_id == AV_CODEC_ID_RV10 ||
codec_id == AV_CODEC_ID_RV20 ||
codec_id == AV_CODEC_ID_RV30 ||
track->audio.sub_packet_h = avio_rb16(&b);
track->audio.frame_size = avio_rb16(&b);
track->audio.sub_packet_size = avio_rb16(&b);
- if (flavor < 0 ||
- track->audio.coded_framesize <= 0 ||
+ if (track->audio.coded_framesize <= 0 ||
track->audio.sub_packet_h <= 0 ||
- track->audio.frame_size <= 0 ||
- track->audio.sub_packet_size <= 0 && codec_id != AV_CODEC_ID_SIPR)
+ track->audio.frame_size <= 0)
return AVERROR_INVALIDDATA;
- track->audio.buf = av_malloc_array(track->audio.sub_packet_h,
- track->audio.frame_size);
- if (!track->audio.buf)
- return AVERROR(ENOMEM);
+
if (codec_id == AV_CODEC_ID_RA_288) {
+ if (track->audio.sub_packet_h & 1 || 2 * track->audio.frame_size
+ != (int64_t)track->audio.sub_packet_h * track->audio.coded_framesize)
+ return AVERROR_INVALIDDATA;
st->codecpar->block_align = track->audio.coded_framesize;
track->codec_priv.size = 0;
} else {
- if (codec_id == AV_CODEC_ID_SIPR && flavor < 4) {
+ if (codec_id == AV_CODEC_ID_SIPR) {
static const int sipr_bit_rate[4] = { 6504, 8496, 5000, 16000 };
+ if (flavor > 3)
+ return AVERROR_INVALIDDATA;
track->audio.sub_packet_size = ff_sipr_subpk_size[flavor];
st->codecpar->bit_rate = sipr_bit_rate[flavor];
- }
+ } else if (track->audio.sub_packet_size <= 0 ||
+ track->audio.frame_size % track->audio.sub_packet_size)
+ return AVERROR_INVALIDDATA;
st->codecpar->block_align = track->audio.sub_packet_size;
extradata_offset = 78;
}
+ track->audio.buf = av_malloc_array(track->audio.sub_packet_h,
+ track->audio.frame_size);
+ if (!track->audio.buf)
+ return AVERROR(ENOMEM);
} else if (codec_id == AV_CODEC_ID_FLAC && track->codec_priv.size) {
ret = matroska_parse_flac(s, track, &extradata_offset);
if (ret < 0)
return ret;
+ } else if (codec_id == AV_CODEC_ID_WAVPACK && track->codec_priv.size < 2) {
+ av_log(matroska->ctx, AV_LOG_INFO, "Assuming WavPack version 4.10 "
+ "in absence of valid CodecPrivate.\n");
+ extradata_size = 2;
+ extradata = av_mallocz(2 + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (!extradata)
+ return AVERROR(ENOMEM);
+ AV_WL16(extradata, 0x410);
} else if (codec_id == AV_CODEC_ID_PRORES && track->codec_priv.size == 4) {
fourcc = AV_RL32(track->codec_priv.data);
} else if (codec_id == AV_CODEC_ID_VP9 && track->codec_priv.size) {
av_log(matroska->ctx, AV_LOG_INFO,
"Unknown/unsupported AVCodecID %s.\n", track->codec_id);
- if (track->time_scale < 0.01)
+ if (track->time_scale < 0.01) {
+ av_log(matroska->ctx, AV_LOG_WARNING,
+ "Track TimestampScale too small %f, assuming 1.0.\n",
+ track->time_scale);
track->time_scale = 1.0;
+ }
avpriv_set_pts_info(st, 64, matroska->time_scale * track->time_scale,
1000 * 1000 * 1000); /* 64 bit pts in ns */
st->disposition |= AV_DISPOSITION_DEFAULT;
if (track->flag_forced)
st->disposition |= AV_DISPOSITION_FORCED;
+ if (track->flag_comment)
+ st->disposition |= AV_DISPOSITION_COMMENT;
+ if (track->flag_hearingimpaired)
+ st->disposition |= AV_DISPOSITION_HEARING_IMPAIRED;
+ if (track->flag_visualimpaired)
+ st->disposition |= AV_DISPOSITION_VISUAL_IMPAIRED;
+ if (track->flag_original.count > 0)
+ st->disposition |= track->flag_original.el.u ? AV_DISPOSITION_ORIGINAL
+ : AV_DISPOSITION_DUB;
if (!st->codecpar->extradata) {
if (extradata) {
ret = mkv_parse_video_color(st, track);
if (ret < 0)
return ret;
- ret = mkv_parse_video_projection(st, track);
+ ret = mkv_parse_video_projection(st, track, matroska->ctx);
if (ret < 0)
return ret;
} else if (track->type == MATROSKA_TRACK_TYPE_AUDIO) {
}
} else if (track->type == MATROSKA_TRACK_TYPE_SUBTITLE) {
st->codecpar->codec_type = AVMEDIA_TYPE_SUBTITLE;
+
+ if (track->flag_textdescriptions)
+ st->disposition |= AV_DISPOSITION_DESCRIPTIONS;
}
}
}
ebml_free(ebml_syntax, &ebml);
+ matroska->pkt = s->internal->parse_pkt;
+
/* The next thing is a segment. */
pos = avio_tell(matroska->ctx->pb);
res = ebml_parse(matroska, matroska_segments, matroska);
- // try resyncing until we find a EBML_STOP type element.
+ // Try resyncing until we find an EBML_STOP type element.
while (res != 1) {
res = matroska_resync(matroska, pos);
if (res < 0)
goto fail;
pos = avio_tell(matroska->ctx->pb);
res = ebml_parse(matroska, matroska_segment, matroska);
+ if (res == AVERROR(EIO)) // EOF is translated to EIO, this exists the loop on EOF
+ goto fail;
}
/* Set data_offset as it might be needed later by seek_frame_generic. */
if (matroska->current_id == MATROSKA_ID_CLUSTER)
break;
av_dict_set(&st->metadata, "filename", attachments[j].filename, 0);
av_dict_set(&st->metadata, "mimetype", attachments[j].mime, 0);
+ if (attachments[j].description)
+ av_dict_set(&st->metadata, "title", attachments[j].description, 0);
st->codecpar->codec_id = AV_CODEC_ID_NONE;
- for (i = 0; ff_mkv_image_mime_tags[i].id != AV_CODEC_ID_NONE; i++) {
- if (!strncmp(ff_mkv_image_mime_tags[i].str, attachments[j].mime,
- strlen(ff_mkv_image_mime_tags[i].str))) {
- st->codecpar->codec_id = ff_mkv_image_mime_tags[i].id;
+ for (i = 0; mkv_image_mime_tags[i].id != AV_CODEC_ID_NONE; i++) {
+ if (av_strstart(attachments[j].mime, mkv_image_mime_tags[i].str, NULL)) {
+ st->codecpar->codec_id = mkv_image_mime_tags[i].id;
break;
}
}
attachments[j].stream = st;
if (st->codecpar->codec_id != AV_CODEC_ID_NONE) {
- AVPacket *pkt = &st->attached_pic;
-
- st->disposition |= AV_DISPOSITION_ATTACHED_PIC;
- st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
-
- av_init_packet(pkt);
- pkt->buf = av_buffer_ref(attachments[j].bin.buf);
- if (!pkt->buf)
- return AVERROR(ENOMEM);
- pkt->data = attachments[j].bin.data;
- pkt->size = attachments[j].bin.size;
- pkt->stream_index = st->index;
- pkt->flags |= AV_PKT_FLAG_KEY;
+ res = ff_add_attached_pic(s, st, NULL, &attachments[j].bin.buf, 0);
+ if (res < 0)
+ goto fail;
} else {
st->codecpar->codec_type = AVMEDIA_TYPE_ATTACHMENT;
if (ff_alloc_extradata(st->codecpar, attachments[j].bin.size))
memcpy(st->codecpar->extradata, attachments[j].bin.data,
attachments[j].bin.size);
- for (i = 0; ff_mkv_mime_tags[i].id != AV_CODEC_ID_NONE; i++) {
- if (!strncmp(ff_mkv_mime_tags[i].str, attachments[j].mime,
- strlen(ff_mkv_mime_tags[i].str))) {
- st->codecpar->codec_id = ff_mkv_mime_tags[i].id;
+ for (i = 0; mkv_mime_tags[i].id != AV_CODEC_ID_NONE; i++) {
+ if (av_strstart(attachments[j].mime, mkv_mime_tags[i].str, NULL)) {
+ st->codecpar->codec_id = mkv_mime_tags[i].id;
break;
}
}
(AVRational) { 1, 1000000000 },
chapters[i].start, chapters[i].end,
chapters[i].title);
- if (chapters[i].chapter) {
- av_dict_set(&chapters[i].chapter->metadata,
- "title", chapters[i].title, 0);
- }
max_start = chapters[i].start;
}
MatroskaTrack *tracks = matroska->tracks.elem;
MatroskaTrack *track;
- ff_packet_list_get(&matroska->queue, &matroska->queue_end, pkt);
+ avpriv_packet_list_get(&matroska->queue, &matroska->queue_end, pkt);
track = &tracks[pkt->stream_index];
if (track->has_palette) {
uint8_t *pal = av_packet_new_side_data(pkt, AV_PKT_DATA_PALETTE, AVPALETTE_SIZE);
*/
static void matroska_clear_queue(MatroskaDemuxContext *matroska)
{
- ff_packet_list_free(&matroska->queue, &matroska->queue_end);
+ avpriv_packet_list_free(&matroska->queue, &matroska->queue_end);
}
static int matroska_parse_laces(MatroskaDemuxContext *matroska, uint8_t **buf,
- int *buf_size, int type,
- uint32_t **lace_buf, int *laces)
+ int size, int type, AVIOContext *pb,
+ uint32_t lace_size[256], int *laces)
{
- int res = 0, n, size = *buf_size;
+ int n;
uint8_t *data = *buf;
- uint32_t *lace_size;
if (!type) {
*laces = 1;
- *lace_buf = av_malloc(sizeof(**lace_buf));
- if (!*lace_buf)
- return AVERROR(ENOMEM);
-
- *lace_buf[0] = size;
+ lace_size[0] = size;
return 0;
}
- av_assert0(size > 0);
- *laces = *data + 1;
- data += 1;
- size -= 1;
- lace_size = av_malloc_array(*laces, sizeof(*lace_size));
- if (!lace_size)
- return AVERROR(ENOMEM);
+ if (size <= 0)
+ return AVERROR_INVALIDDATA;
+
+ *laces = *data + 1;
+ data += 1;
+ size -= 1;
switch (type) {
case 0x1: /* Xiph lacing */
{
uint8_t temp;
uint32_t total = 0;
- for (n = 0; res == 0 && n < *laces - 1; n++) {
+ for (n = 0; n < *laces - 1; n++) {
lace_size[n] = 0;
- while (1) {
- if (size <= total) {
- res = AVERROR_INVALIDDATA;
- break;
- }
+ do {
+ if (size <= total)
+ return AVERROR_INVALIDDATA;
temp = *data;
total += temp;
lace_size[n] += temp;
data += 1;
size -= 1;
- if (temp != 0xff)
- break;
- }
- }
- if (size <= total) {
- res = AVERROR_INVALIDDATA;
- break;
+ } while (temp == 0xff);
}
+ if (size < total)
+ return AVERROR_INVALIDDATA;
lace_size[n] = size - total;
break;
}
case 0x2: /* fixed-size lacing */
- if (size % (*laces)) {
- res = AVERROR_INVALIDDATA;
- break;
- }
+ if (size % (*laces))
+ return AVERROR_INVALIDDATA;
for (n = 0; n < *laces; n++)
lace_size[n] = size / *laces;
break;
{
uint64_t num;
uint64_t total;
- n = matroska_ebmlnum_uint(matroska, data, size, &num);
- if (n < 0 || num > INT_MAX) {
- av_log(matroska->ctx, AV_LOG_INFO,
- "EBML block data error\n");
- res = n<0 ? n : AVERROR_INVALIDDATA;
- break;
- }
- data += n;
- size -= n;
+ int offset;
+
+ avio_skip(pb, 4);
+
+ n = ebml_read_num(matroska, pb, 8, &num, 1);
+ if (n < 0)
+ return n;
+ if (num > INT_MAX)
+ return AVERROR_INVALIDDATA;
+
total = lace_size[0] = num;
- for (n = 1; res == 0 && n < *laces - 1; n++) {
+ offset = n;
+ for (n = 1; n < *laces - 1; n++) {
int64_t snum;
int r;
- r = matroska_ebmlnum_sint(matroska, data, size, &snum);
- if (r < 0 || lace_size[n - 1] + snum > (uint64_t)INT_MAX) {
- av_log(matroska->ctx, AV_LOG_INFO,
- "EBML block data error\n");
- res = r<0 ? r : AVERROR_INVALIDDATA;
- break;
- }
- data += r;
- size -= r;
+ r = matroska_ebmlnum_sint(matroska, pb, &snum);
+ if (r < 0)
+ return r;
+ if (lace_size[n - 1] + snum > (uint64_t)INT_MAX)
+ return AVERROR_INVALIDDATA;
+
lace_size[n] = lace_size[n - 1] + snum;
total += lace_size[n];
+ offset += r;
}
- if (size <= total) {
- res = AVERROR_INVALIDDATA;
- break;
- }
+ data += offset;
+ size -= offset;
+ if (size < total)
+ return AVERROR_INVALIDDATA;
+
lace_size[*laces - 1] = size - total;
break;
}
}
- *buf = data;
- *lace_buf = lace_size;
- *buf_size = size;
+ *buf = data;
- return res;
+ return 0;
}
static int matroska_parse_rm_audio(MatroskaDemuxContext *matroska,
uint8_t *data, int size, uint64_t timecode,
int64_t pos)
{
- int a = st->codecpar->block_align;
- int sps = track->audio.sub_packet_size;
- int cfs = track->audio.coded_framesize;
- int h = track->audio.sub_packet_h;
+ const int a = st->codecpar->block_align;
+ const int sps = track->audio.sub_packet_size;
+ const int cfs = track->audio.coded_framesize;
+ const int h = track->audio.sub_packet_h;
+ const int w = track->audio.frame_size;
int y = track->audio.sub_packet_cnt;
- int w = track->audio.frame_size;
int x;
if (!track->audio.pkt_cnt) {
}
memcpy(track->audio.buf + y * w, data, w);
} else {
- if (size < sps * w / sps || h<=0 || w%sps) {
+ if (size < w) {
av_log(matroska->ctx, AV_LOG_ERROR,
"Corrupt generic RM-style audio packet size\n");
return AVERROR_INVALIDDATA;
while (track->audio.pkt_cnt) {
int ret;
- AVPacket pktl, *pkt = &pktl;
+ AVPacket *pkt = matroska->pkt;
ret = av_new_packet(pkt, a);
if (ret < 0) {
track->audio.buf_timecode = AV_NOPTS_VALUE;
pkt->pos = pos;
pkt->stream_index = st->index;
- ret = ff_packet_list_put(&matroska->queue, &matroska->queue_end, pkt, 0);
+ ret = avpriv_packet_list_put(&matroska->queue, &matroska->queue_end, pkt, NULL, 0);
if (ret < 0) {
av_packet_unref(pkt);
return AVERROR(ENOMEM);
}
/* reconstruct full wavpack blocks from mangled matroska ones */
-static int matroska_parse_wavpack(MatroskaTrack *track, uint8_t *src,
- uint8_t **pdst, int *size)
+static int matroska_parse_wavpack(MatroskaTrack *track,
+ uint8_t **data, int *size)
{
uint8_t *dst = NULL;
+ uint8_t *src = *data;
int dstlen = 0;
int srclen = *size;
uint32_t samples;
uint16_t ver;
int ret, offset = 0;
- if (srclen < 12 || track->stream->codecpar->extradata_size < 2)
+ if (srclen < 12)
return AVERROR_INVALIDDATA;
+ av_assert1(track->stream->codecpar->extradata_size >= 2);
ver = AV_RL16(track->stream->codecpar->extradata);
samples = AV_RL32(src);
memset(dst + dstlen, 0, AV_INPUT_BUFFER_PADDING_SIZE);
- *pdst = dst;
+ *data = dst;
*size = dstlen;
return 0;
return ret;
}
-static int matroska_parse_prores(MatroskaTrack *track, uint8_t *src,
- uint8_t **pdst, int *size)
+static int matroska_parse_prores(MatroskaTrack *track,
+ uint8_t **data, int *size)
{
- uint8_t *dst = src;
- int dstlen = *size;
+ uint8_t *dst;
+ int dstlen = *size + 8;
- if (AV_RB32(&src[4]) != MKBETAG('i', 'c', 'p', 'f')) {
- dst = av_malloc(dstlen + 8 + AV_INPUT_BUFFER_PADDING_SIZE);
- if (!dst)
- return AVERROR(ENOMEM);
+ dst = av_malloc(dstlen + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (!dst)
+ return AVERROR(ENOMEM);
- AV_WB32(dst, dstlen);
- AV_WB32(dst + 4, MKBETAG('i', 'c', 'p', 'f'));
- memcpy(dst + 8, src, dstlen);
- memset(dst + 8 + dstlen, 0, AV_INPUT_BUFFER_PADDING_SIZE);
- dstlen += 8;
- }
+ AV_WB32(dst, dstlen);
+ AV_WB32(dst + 4, MKBETAG('i', 'c', 'p', 'f'));
+ memcpy(dst + 8, *data, dstlen - 8);
+ memset(dst + dstlen, 0, AV_INPUT_BUFFER_PADDING_SIZE);
- *pdst = dst;
+ *data = dst;
*size = dstlen;
return 0;
uint64_t duration,
int64_t pos)
{
- AVPacket pktl, *pkt = &pktl;
+ AVPacket *pkt = matroska->pkt;
uint8_t *id, *settings, *text, *buf;
int id_len, settings_len, text_len;
uint8_t *p, *q;
pkt->duration = duration;
pkt->pos = pos;
- err = ff_packet_list_put(&matroska->queue, &matroska->queue_end, pkt, 0);
+ err = avpriv_packet_list_put(&matroska->queue, &matroska->queue_end, pkt, NULL, 0);
if (err < 0) {
av_packet_unref(pkt);
return AVERROR(ENOMEM);
uint8_t *additional, uint64_t additional_id, int additional_size,
int64_t discard_padding)
{
- MatroskaTrackEncoding *encodings = track->encodings.elem;
uint8_t *pkt_data = data;
- int res;
- AVPacket pktl, *pkt = &pktl;
-
- if (encodings && !encodings->type && encodings->scope & 1) {
- res = matroska_decode_buffer(&pkt_data, &pkt_size, track);
- if (res < 0)
- return res;
- }
+ int res = 0;
+ AVPacket *pkt = matroska->pkt;
if (st->codecpar->codec_id == AV_CODEC_ID_WAVPACK) {
- uint8_t *wv_data;
- res = matroska_parse_wavpack(track, pkt_data, &wv_data, &pkt_size);
+ res = matroska_parse_wavpack(track, &pkt_data, &pkt_size);
if (res < 0) {
av_log(matroska->ctx, AV_LOG_ERROR,
"Error parsing a wavpack block.\n");
goto fail;
}
- if (pkt_data != data)
- av_freep(&pkt_data);
- pkt_data = wv_data;
+ if (!buf)
+ av_freep(&data);
+ buf = NULL;
}
- if (st->codecpar->codec_id == AV_CODEC_ID_PRORES) {
- uint8_t *pr_data;
- res = matroska_parse_prores(track, pkt_data, &pr_data, &pkt_size);
+ if (st->codecpar->codec_id == AV_CODEC_ID_PRORES &&
+ AV_RB32(pkt_data + 4) != MKBETAG('i', 'c', 'p', 'f')) {
+ res = matroska_parse_prores(track, &pkt_data, &pkt_size);
if (res < 0) {
av_log(matroska->ctx, AV_LOG_ERROR,
"Error parsing a prores block.\n");
goto fail;
}
- if (pkt_data != data)
- av_freep(&pkt_data);
- pkt_data = pr_data;
+ if (!buf)
+ av_freep(&data);
+ buf = NULL;
}
- av_init_packet(pkt);
- if (pkt_data != data)
+ if (!pkt_size && !additional_size)
+ goto no_output;
+
+ if (!buf)
pkt->buf = av_buffer_create(pkt_data, pkt_size + AV_INPUT_BUFFER_PADDING_SIZE,
NULL, NULL, 0);
else
pkt->pos = pos;
pkt->duration = lace_duration;
-#if FF_API_CONVERGENCE_DURATION
-FF_DISABLE_DEPRECATION_WARNINGS
- if (st->codecpar->codec_id == AV_CODEC_ID_SUBRIP) {
- pkt->convergence_duration = lace_duration;
- }
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
- res = ff_packet_list_put(&matroska->queue, &matroska->queue_end, pkt, 0);
+ res = avpriv_packet_list_put(&matroska->queue, &matroska->queue_end, pkt, NULL, 0);
if (res < 0) {
av_packet_unref(pkt);
return AVERROR(ENOMEM);
return 0;
+no_output:
fail:
- if (pkt_data != data)
- av_freep(&pkt_data);
+ if (!buf)
+ av_free(pkt_data);
return res;
}
{
uint64_t timecode = AV_NOPTS_VALUE;
MatroskaTrack *track;
+ AVIOContext pb;
int res = 0;
AVStream *st;
int16_t block_time;
- uint32_t *lace_size = NULL;
+ uint32_t lace_size[256];
int n, flags, laces = 0;
uint64_t num;
- int trust_default_duration = 1;
+ int trust_default_duration;
+
+ ffio_init_context(&pb, data, size, 0, NULL, NULL, NULL, NULL);
- if ((n = matroska_ebmlnum_uint(matroska, data, size, &num)) < 0) {
+ if ((n = ebml_read_num(matroska, &pb, 8, &num, 1)) < 0)
return n;
- }
data += n;
size -= n;
track = matroska_find_track_by_num(matroska, num);
- if (!track || !track->stream) {
- av_log(matroska->ctx, AV_LOG_INFO,
- "Invalid stream %"PRIu64"\n", num);
+ if (!track || size < 3)
return AVERROR_INVALIDDATA;
- } else if (size <= 3)
+
+ if (!(st = track->stream)) {
+ av_log(matroska->ctx, AV_LOG_VERBOSE,
+ "No stream associated to TrackNumber %"PRIu64". "
+ "Ignoring Block with this TrackNumber.\n", num);
return 0;
- st = track->stream;
+ }
+
if (st->discard >= AVDISCARD_ALL)
return res;
- av_assert1(block_duration != AV_NOPTS_VALUE);
+ if (block_duration > INT64_MAX)
+ block_duration = INT64_MAX;
block_time = sign_extend(AV_RB16(data), 16);
data += 2;
if (cluster_time != (uint64_t) -1 &&
(block_time >= 0 || cluster_time >= -block_time)) {
- timecode = cluster_time + block_time - track->codec_delay_in_track_tb;
+ uint64_t timecode_cluster_in_track_tb = (double) cluster_time / track->time_scale;
+ timecode = timecode_cluster_in_track_tb + block_time - track->codec_delay_in_track_tb;
if (track->type == MATROSKA_TRACK_TYPE_SUBTITLE &&
timecode < track->end_timecode)
is_keyframe = 0; /* overlapping subtitles are not key frame */
return res;
if (is_keyframe)
matroska->skip_to_keyframe = 0;
- else if (!st->skip_to_keyframe) {
+ else if (!st->internal->skip_to_keyframe) {
av_log(matroska->ctx, AV_LOG_ERROR, "File is broken, keyframes not correctly marked!\n");
matroska->skip_to_keyframe = 0;
}
}
- res = matroska_parse_laces(matroska, &data, &size, (flags & 0x06) >> 1,
- &lace_size, &laces);
-
- if (res)
- goto end;
+ res = matroska_parse_laces(matroska, &data, size, (flags & 0x06) >> 1,
+ &pb, lace_size, &laces);
+ if (res < 0) {
+ av_log(matroska->ctx, AV_LOG_ERROR, "Error parsing frame sizes.\n");
+ return res;
+ }
- if (track->audio.samplerate == 8000) {
+ trust_default_duration = track->default_duration != 0;
+ if (track->audio.samplerate == 8000 && trust_default_duration) {
// If this is needed for more codecs, then add them here
if (st->codecpar->codec_id == AV_CODEC_ID_AC3) {
if (track->audio.samplerate != st->codecpar->sample_rate || !st->codecpar->frame_size)
for (n = 0; n < laces; n++) {
int64_t lace_duration = block_duration*(n+1) / laces - block_duration*n / laces;
-
- if (lace_size[n] > size) {
- av_log(matroska->ctx, AV_LOG_ERROR, "Invalid packet size\n");
- break;
+ uint8_t *out_data = data;
+ int out_size = lace_size[n];
+
+ if (track->needs_decoding) {
+ res = matroska_decode_buffer(&out_data, &out_size, track);
+ if (res < 0)
+ return res;
+ /* Given that we are here means that out_data is no longer
+ * owned by buf, so set it to NULL. This depends upon
+ * zero-length header removal compression being ignored. */
+ av_assert1(out_data != data);
+ buf = NULL;
}
- if ((st->codecpar->codec_id == AV_CODEC_ID_RA_288 ||
- st->codecpar->codec_id == AV_CODEC_ID_COOK ||
- st->codecpar->codec_id == AV_CODEC_ID_SIPR ||
- st->codecpar->codec_id == AV_CODEC_ID_ATRAC3) &&
- st->codecpar->block_align && track->audio.sub_packet_size) {
- res = matroska_parse_rm_audio(matroska, track, st, data,
- lace_size[n],
+ if (track->audio.buf) {
+ res = matroska_parse_rm_audio(matroska, track, st,
+ out_data, out_size,
timecode, pos);
+ if (!buf)
+ av_free(out_data);
if (res)
- goto end;
-
+ return res;
} else if (st->codecpar->codec_id == AV_CODEC_ID_WEBVTT) {
res = matroska_parse_webvtt(matroska, track, st,
- data, lace_size[n],
+ out_data, out_size,
timecode, lace_duration,
pos);
+ if (!buf)
+ av_free(out_data);
if (res)
- goto end;
+ return res;
} else {
- res = matroska_parse_frame(matroska, track, st, buf, data, lace_size[n],
- timecode, lace_duration, pos,
- !n ? is_keyframe : 0,
+ res = matroska_parse_frame(matroska, track, st, buf, out_data,
+ out_size, timecode, lace_duration,
+ pos, !n ? is_keyframe : 0,
additional, additional_id, additional_size,
discard_padding);
if (res)
- goto end;
+ return res;
}
if (timecode != AV_NOPTS_VALUE)
timecode = lace_duration ? timecode + lace_duration : AV_NOPTS_VALUE;
data += lace_size[n];
- size -= lace_size[n];
}
-end:
- av_free(lace_size);
- return res;
+ return 0;
}
static int matroska_parse_cluster(MatroskaDemuxContext *matroska)
MatroskaCluster *cluster = &matroska->current_cluster;
MatroskaBlock *block = &cluster->block;
int res;
- res = ebml_parse(matroska,
- matroska_cluster_parsing,
- cluster);
- if (res == 1) {
- /* New Cluster */
- if (cluster->pos)
- ebml_level_end(matroska);
- cluster->pos = avio_tell(matroska->ctx->pb);
- /* sizeof the ID which was already read */
- if (matroska->current_id)
- cluster->pos -= 4;
- res = ebml_parse(matroska,
- matroska_clusters,
- cluster);
- /* Try parsing the block again. */
- if (res == 1)
- res = ebml_parse(matroska,
- matroska_cluster_parsing,
- cluster);
- }
-
- if (!res && block->bin.size > 0) {
- int is_keyframe = block->non_simple ? block->reference == INT64_MIN : -1;
+
+ av_assert0(matroska->num_levels <= 2);
+
+ if (matroska->num_levels == 1) {
+ res = ebml_parse(matroska, matroska_segment, NULL);
+
+ if (res == 1) {
+ /* Found a cluster: subtract the size of the ID already read. */
+ cluster->pos = avio_tell(matroska->ctx->pb) - 4;
+
+ res = ebml_parse(matroska, matroska_cluster_enter, cluster);
+ if (res < 0)
+ return res;
+ }
+ }
+
+ if (matroska->num_levels == 2) {
+ /* We are inside a cluster. */
+ res = ebml_parse(matroska, matroska_cluster_parsing, cluster);
+
+ if (res >= 0 && block->bin.size > 0) {
+ int is_keyframe = block->non_simple ? block->reference.count == 0 : -1;
uint8_t* additional = block->additional.size > 0 ?
block->additional.data : NULL;
res = matroska_parse_block(matroska, block->bin.buf, block->bin.data,
block->bin.size, block->bin.pos,
- matroska->current_cluster.timecode,
- block->duration, is_keyframe,
- additional, block->additional_id,
- block->additional.size,
- cluster->pos,
+ cluster->timecode, block->duration,
+ is_keyframe, additional, block->additional_id,
+ block->additional.size, cluster->pos,
block->discard_padding);
- }
+ }
- ebml_free(matroska_blockgroup, block);
- memset(block, 0, sizeof(*block));
+ ebml_free(matroska_blockgroup, block);
+ memset(block, 0, sizeof(*block));
+ } else if (!matroska->num_levels) {
+ if (!avio_feof(matroska->ctx->pb)) {
+ avio_r8(matroska->ctx->pb);
+ if (!avio_feof(matroska->ctx->pb)) {
+ av_log(matroska->ctx, AV_LOG_WARNING, "File extends beyond "
+ "end of segment.\n");
+ return AVERROR_INVALIDDATA;
+ }
+ }
+ matroska->done = 1;
+ return AVERROR_EOF;
+ }
return res;
}
MatroskaDemuxContext *matroska = s->priv_data;
int ret = 0;
+ if (matroska->resync_pos == -1) {
+ // This can only happen if generic seeking has been used.
+ matroska->resync_pos = avio_tell(s->pb);
+ }
+
while (matroska_deliver_packet(matroska, pkt)) {
- int64_t pos = avio_tell(matroska->ctx->pb);
if (matroska->done)
return (ret < 0) ? ret : AVERROR_EOF;
- if (matroska_parse_cluster(matroska) < 0)
- ret = matroska_resync(matroska, pos);
+ if (matroska_parse_cluster(matroska) < 0 && !matroska->done)
+ ret = matroska_resync(matroska, matroska->resync_pos);
}
return 0;
matroska_parse_cues(matroska);
}
- if (!st->nb_index_entries)
+ if (!st->internal->nb_index_entries)
goto err;
- timestamp = FFMAX(timestamp, st->index_entries[0].timestamp);
+ timestamp = FFMAX(timestamp, st->internal->index_entries[0].timestamp);
- if ((index = av_index_search_timestamp(st, timestamp, flags)) < 0 || index == st->nb_index_entries - 1) {
- matroska_reset_status(matroska, 0, st->index_entries[st->nb_index_entries - 1].pos);
- while ((index = av_index_search_timestamp(st, timestamp, flags)) < 0 || index == st->nb_index_entries - 1) {
+ if ((index = av_index_search_timestamp(st, timestamp, flags)) < 0 || index == st->internal->nb_index_entries - 1) {
+ matroska_reset_status(matroska, 0, st->internal->index_entries[st->internal->nb_index_entries - 1].pos);
+ while ((index = av_index_search_timestamp(st, timestamp, flags)) < 0 || index == st->internal->nb_index_entries - 1) {
matroska_clear_queue(matroska);
if (matroska_parse_cluster(matroska) < 0)
break;
}
matroska_clear_queue(matroska);
- if (index < 0 || (matroska->cues_parsing_deferred < 0 && index == st->nb_index_entries - 1))
+ if (index < 0 || (matroska->cues_parsing_deferred < 0 && index == st->internal->nb_index_entries - 1))
goto err;
tracks = matroska->tracks.elem;
}
/* We seek to a level 1 element, so set the appropriate status. */
- matroska_reset_status(matroska, 0, st->index_entries[index].pos);
+ matroska_reset_status(matroska, 0, st->internal->index_entries[index].pos);
if (flags & AVSEEK_FLAG_ANY) {
- st->skip_to_keyframe = 0;
+ st->internal->skip_to_keyframe = 0;
matroska->skip_to_timecode = timestamp;
} else {
- st->skip_to_keyframe = 1;
- matroska->skip_to_timecode = st->index_entries[index].timestamp;
+ st->internal->skip_to_keyframe = 1;
+ matroska->skip_to_timecode = st->internal->index_entries[index].timestamp;
}
matroska->skip_to_keyframe = 1;
matroska->done = 0;
- ff_update_cur_dts(s, st, st->index_entries[index].timestamp);
+ ff_update_cur_dts(s, st, st->internal->index_entries[index].timestamp);
return 0;
err:
// slightly hackish but allows proper fallback to
// the generic seeking code.
matroska_reset_status(matroska, 0, -1);
+ matroska->resync_pos = -1;
matroska_clear_queue(matroska);
- st->skip_to_keyframe =
+ st->internal->skip_to_keyframe =
matroska->skip_to_keyframe = 0;
matroska->done = 0;
return -1;
MatroskaDemuxContext *matroska = s->priv_data;
CueDesc cue_desc;
int i;
- int nb_index_entries = s->streams[0]->nb_index_entries;
- AVIndexEntry *index_entries = s->streams[0]->index_entries;
+ int nb_index_entries = s->streams[0]->internal->nb_index_entries;
+ AVIndexEntry *index_entries = s->streams[0]->internal->index_entries;
if (ts >= matroska->duration * matroska->time_scale) return (CueDesc) {-1, -1, -1, -1};
for (i = 1; i < nb_index_entries; i++) {
if (index_entries[i - 1].timestamp * matroska->time_scale <= ts &&
uint32_t id = matroska->current_id;
int64_t cluster_pos, before_pos;
int index, rv = 1;
- if (s->streams[0]->nb_index_entries <= 0) return 0;
+ if (s->streams[0]->internal->nb_index_entries <= 0) return 0;
// seek to the first cluster using cues.
index = av_index_search_timestamp(s->streams[0], 0, 0);
if (index < 0) return 0;
- cluster_pos = s->streams[0]->index_entries[index].pos;
+ cluster_pos = s->streams[0]->internal->index_entries[index].pos;
before_pos = avio_tell(s->pb);
while (1) {
uint64_t cluster_id, cluster_length;
double bandwidth = 0.0;
int i;
- for (i = 0; i < st->nb_index_entries; i++) {
+ for (i = 0; i < st->internal->nb_index_entries; i++) {
int64_t prebuffer_ns = 1000000000;
- int64_t time_ns = st->index_entries[i].timestamp * matroska->time_scale;
+ int64_t time_ns = st->internal->index_entries[i].timestamp * matroska->time_scale;
double nano_seconds_per_second = 1000000000.0;
int64_t prebuffered_ns = time_ns + prebuffer_ns;
double prebuffer_bytes = 0.0;
// cues end
av_dict_set_int(&s->streams[0]->metadata, CUES_END, cues_end, 0);
- // if the file has cues at the start, fix up the init range so tht
+ // if the file has cues at the start, fix up the init range so that
// it does not include it
if (cues_start <= init_range)
av_dict_set_int(&s->streams[0]->metadata, INITIALIZATION_RANGE, cues_start - 1, 0);
// store cue point timestamps as a comma separated list for checking subsegment alignment in
// the muxer. assumes that each timestamp cannot be more than 20 characters long.
- buf = av_malloc_array(s->streams[0]->nb_index_entries, 20);
+ buf = av_malloc_array(s->streams[0]->internal->nb_index_entries, 20);
if (!buf) return -1;
strcpy(buf, "");
- for (i = 0; i < s->streams[0]->nb_index_entries; i++) {
+ for (i = 0; i < s->streams[0]->internal->nb_index_entries; i++) {
int ret = snprintf(buf + end, 20,
- "%" PRId64"%s", s->streams[0]->index_entries[i].timestamp,
- i != s->streams[0]->nb_index_entries - 1 ? "," : "");
- if (ret <= 0 || (ret == 20 && i == s->streams[0]->nb_index_entries - 1)) {
+ "%" PRId64"%s", s->streams[0]->internal->index_entries[i].timestamp,
+ i != s->streams[0]->internal->nb_index_entries - 1 ? "," : "");
+ if (ret <= 0 || (ret == 20 && i == s->streams[0]->internal->nb_index_entries - 1)) {
av_log(s, AV_LOG_ERROR, "timestamp too long.\n");
av_free(buf);
return AVERROR_INVALIDDATA;
}
end += ret;
}
- av_dict_set(&s->streams[0]->metadata, CUE_TIMESTAMPS, buf, 0);
- av_free(buf);
+ av_dict_set(&s->streams[0]->metadata, CUE_TIMESTAMPS,
+ buf, AV_DICT_DONT_STRDUP_VAL);
return 0;
}
av_log(s, AV_LOG_ERROR, "Failed to read file headers\n");
return -1;
}
- if (!s->nb_streams) {
- matroska_read_close(s);
- av_log(s, AV_LOG_ERROR, "No streams found\n");
- return AVERROR_INVALIDDATA;
+ if (!matroska->tracks.nb_elem || !s->nb_streams) {
+ av_log(s, AV_LOG_ERROR, "No track found\n");
+ ret = AVERROR_INVALIDDATA;
+ goto fail;
}
if (!matroska->is_live) {
buf = av_asprintf("%g", matroska->duration);
- if (!buf) return AVERROR(ENOMEM);
- av_dict_set(&s->streams[0]->metadata, DURATION, buf, 0);
- av_free(buf);
+ if (!buf) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+ av_dict_set(&s->streams[0]->metadata, DURATION,
+ buf, AV_DICT_DONT_STRDUP_VAL);
// initialization range
// 5 is the offset of Cluster ID.
ret = webm_dash_manifest_cues(s, init_range);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "Error parsing Cues\n");
- return ret;
+ goto fail;
}
}
matroska->bandwidth, 0);
}
return 0;
+fail:
+ matroska_read_close(s);
+ return ret;
}
static int webm_dash_manifest_read_packet(AVFormatContext *s, AVPacket *pkt)
.version = LIBAVUTIL_VERSION_INT,
};
-AVInputFormat ff_matroska_demuxer = {
+const AVInputFormat ff_matroska_demuxer = {
.name = "matroska,webm",
.long_name = NULL_IF_CONFIG_SMALL("Matroska / WebM"),
- .extensions = "mkv,mk3d,mka,mks",
+ .extensions = "mkv,mk3d,mka,mks,webm",
.priv_data_size = sizeof(MatroskaDemuxContext),
.read_probe = matroska_probe,
.read_header = matroska_read_header,
.mime_type = "audio/webm,audio/x-matroska,video/webm,video/x-matroska"
};
-AVInputFormat ff_webm_dash_manifest_demuxer = {
+const AVInputFormat ff_webm_dash_manifest_demuxer = {
.name = "webm_dash_manifest",
.long_name = NULL_IF_CONFIG_SMALL("WebM DASH Manifest"),
.priv_data_size = sizeof(MatroskaDemuxContext),
projects / ffmpeg / blobdiff