* Only tracks with associated descriptors will be decoded. "Highly Desirable" SMPTE 377M D.1
*/
+#include <inttypes.h>
+
#include "libavutil/aes.h"
#include "libavutil/mathematics.h"
#include "libavcodec/bytestream.h"
OPSonyOpt, /* FATE sample, violates the spec in places */
} MXFOP;
-typedef struct {
+typedef struct MXFPartition {
int closed;
int complete;
MXFPartitionType type;
int pack_length;
} MXFPartition;
-typedef struct {
+typedef struct MXFCryptoContext {
UID uid;
enum MXFMetadataSetType type;
UID source_container_ul;
} MXFCryptoContext;
-typedef struct {
+typedef struct MXFStructuralComponent {
UID uid;
enum MXFMetadataSetType type;
UID source_package_uid;
int source_track_id;
} MXFStructuralComponent;
-typedef struct {
+typedef struct MXFSequence {
UID uid;
enum MXFMetadataSetType type;
UID data_definition_ul;
UID *structural_components_refs;
int structural_components_count;
int64_t duration;
+ uint8_t origin;
} MXFSequence;
-typedef struct {
+typedef struct MXFTrack {
UID uid;
enum MXFMetadataSetType type;
MXFSequence *sequence; /* mandatory, and only one */
uint8_t track_number[4];
AVRational edit_rate;
int intra_only;
+ uint64_t sample_count;
+ int64_t original_duration; /* st->duration in SampleRate/EditRate units */
} MXFTrack;
-typedef struct {
+typedef struct MXFDescriptor {
UID uid;
enum MXFMetadataSetType type;
UID essence_container_ul;
int width;
int height; /* Field height, not frame height */
int frame_layout; /* See MXFFrameLayout enum */
+#define MXF_TFF 1
+#define MXF_BFF 2
+ int field_dominance;
int channels;
int bits_per_sample;
unsigned int component_depth;
enum AVPixelFormat pix_fmt;
} MXFDescriptor;
-typedef struct {
+typedef struct MXFIndexTableSegment {
UID uid;
enum MXFMetadataSetType type;
int edit_unit_byte_count;
int nb_index_entries;
} MXFIndexTableSegment;
-typedef struct {
+typedef struct MXFPackage {
UID uid;
enum MXFMetadataSetType type;
UID package_uid;
UID descriptor_ref;
} MXFPackage;
-typedef struct {
+typedef struct MXFMetadataSet {
UID uid;
enum MXFMetadataSetType type;
} MXFMetadataSet;
/* decoded index table */
-typedef struct {
+typedef struct MXFIndexTable {
int index_sid;
int body_sid;
int nb_ptses; /* number of PTSes or total duration of index */
AVIndexEntry *fake_index; /* used for calling ff_index_search_timestamp() */
} MXFIndexTable;
-typedef struct {
+typedef struct MXFContext {
MXFPartition *partitions;
unsigned partitions_count;
MXFOP op;
struct AVAES *aesc;
uint8_t *local_tags;
int local_tags_count;
+ uint64_t last_partition;
uint64_t footer_partition;
KLVPacket current_klv_data;
int current_klv_index;
/* NOTE: klv_offset is not set (-1) for local keys */
typedef int MXFMetadataReadFunc(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset);
-typedef struct {
+typedef struct MXFMetadataReadTableEntry {
const UID key;
MXFMetadataReadFunc *read;
int ctx_size;
static const uint8_t mxf_header_partition_pack_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02 };
static const uint8_t mxf_essence_element_key[] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01 };
static const uint8_t mxf_avid_essence_element_key[] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0e,0x04,0x03,0x01 };
-static const uint8_t mxf_system_item_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04 };
+static const uint8_t mxf_system_item_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x03,0x01,0x04 };
static const uint8_t mxf_klv_key[] = { 0x06,0x0e,0x2b,0x34 };
/* complete keys to match */
static const uint8_t mxf_crypto_source_container_ul[] = { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x02,0x02,0x00,0x00,0x00 };
static const uint8_t mxf_encrypted_triplet_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x04,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x7e,0x01,0x00 };
static const uint8_t mxf_encrypted_essence_container[] = { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0b,0x01,0x00 };
+static const uint8_t mxf_random_index_pack_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
static const uint8_t mxf_sony_mpeg4_extradata[] = { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0e,0x06,0x06,0x02,0x02,0x01,0x00,0x00 };
#define IS_KLV_KEY(x, y) (!memcmp(x, y, sizeof(y)))
data_ptr = pkt->data;
end_ptr = pkt->data + length;
buf_ptr = pkt->data + 4; /* skip SMPTE 331M header */
- for (; buf_ptr + st->codec->channels*4 < end_ptr; ) {
+ for (; end_ptr - buf_ptr >= st->codec->channels * 4; ) {
for (i = 0; i < st->codec->channels; i++) {
uint32_t sample = bytestream_get_le32(&buf_ptr);
if (st->codec->bits_per_coded_sample == 24)
uint32_t nb_essence_containers;
int err;
- if (mxf->partitions_count+1 >= UINT_MAX / sizeof(*mxf->partitions))
- return AVERROR(ENOMEM);
-
if ((err = av_reallocp_array(&mxf->partitions, mxf->partitions_count + 1,
sizeof(*mxf->partitions))) < 0) {
mxf->partitions_count = 0;
avio_read(pb, op, sizeof(UID));
nb_essence_containers = avio_rb32(pb);
+ if (partition->this_partition &&
+ partition->previous_partition == partition->this_partition) {
+ av_log(mxf->fc, AV_LOG_ERROR,
+ "PreviousPartition equal to ThisPartition %"PRIx64"\n",
+ partition->previous_partition);
+ /* override with the actual previous partition offset */
+ if (!mxf->parsing_backward && mxf->last_forward_partition > 1) {
+ MXFPartition *prev =
+ mxf->partitions + mxf->last_forward_partition - 2;
+ partition->previous_partition = prev->this_partition;
+ }
+ /* if no previous body partition are found point to the header
+ * partition */
+ if (partition->previous_partition == partition->this_partition)
+ partition->previous_partition = 0;
+ av_log(mxf->fc, AV_LOG_ERROR,
+ "Overriding PreviousPartition with %"PRIx64"\n",
+ partition->previous_partition);
+ }
+
/* some files don'thave FooterPartition set in every partition */
if (footer_partition) {
if (mxf->footer_partition && mxf->footer_partition != footer_partition) {
}
}
- av_dlog(mxf->fc,
+ av_log(mxf->fc, AV_LOG_TRACE,
"PartitionPack: ThisPartition = 0x%"PRIX64
", PreviousPartition = 0x%"PRIX64", "
"FooterPartition = 0x%"PRIX64", IndexSID = %i, BodySID = %i\n",
/* only nag once */
if (!mxf->op)
av_log(mxf->fc, AV_LOG_WARNING,
- "\"OPAtom\" with %u ECs - assuming %s\n",
+ "\"OPAtom\" with %"PRIu32" ECs - assuming %s\n",
nb_essence_containers,
op == OP1a ? "OP1a" : "OPAtom");
}
if (partition->kag_size <= 0 || partition->kag_size > (1 << 20)) {
- av_log(mxf->fc, AV_LOG_WARNING, "invalid KAGSize %i - guessing ", partition->kag_size);
+ av_log(mxf->fc, AV_LOG_WARNING, "invalid KAGSize %"PRId32" - guessing ",
+ partition->kag_size);
if (mxf->op == OPSonyOpt)
partition->kag_size = 512;
else
partition->kag_size = 1;
- av_log(mxf->fc, AV_LOG_WARNING, "%i\n", partition->kag_size);
+ av_log(mxf->fc, AV_LOG_WARNING, "%"PRId32"\n", partition->kag_size);
}
return 0;
{
int err;
- if (mxf->metadata_sets_count+1 >= UINT_MAX / sizeof(*mxf->metadata_sets))
- return AVERROR(ENOMEM);
if ((err = av_reallocp_array(&mxf->metadata_sets, mxf->metadata_sets_count + 1,
sizeof(*mxf->metadata_sets))) < 0) {
mxf->metadata_sets_count = 0;
case 0x4804:
avio_read(pb, track->track_number, 4);
break;
- case 0x4B01:
+ case 0x4b01:
track->edit_rate.num = avio_rb32(pb);
track->edit_rate.den = avio_rb32(pb);
break;
case 0x0201:
avio_read(pb, sequence->data_definition_ul, 16);
break;
+ case 0x4b02:
+ sequence->origin = avio_r8(pb);
+ break;
case 0x1001:
sequence->structural_components_count = avio_rb32(pb);
if (sequence->structural_components_count >= UINT_MAX / sizeof(UID))
switch(tag) {
case 0x3F05:
segment->edit_unit_byte_count = avio_rb32(pb);
- av_dlog(NULL, "EditUnitByteCount %d\n", segment->edit_unit_byte_count);
+ av_log(NULL, AV_LOG_TRACE, "EditUnitByteCount %d\n", segment->edit_unit_byte_count);
break;
case 0x3F06:
segment->index_sid = avio_rb32(pb);
- av_dlog(NULL, "IndexSID %d\n", segment->index_sid);
+ av_log(NULL, AV_LOG_TRACE, "IndexSID %d\n", segment->index_sid);
break;
case 0x3F07:
segment->body_sid = avio_rb32(pb);
- av_dlog(NULL, "BodySID %d\n", segment->body_sid);
+ av_log(NULL, AV_LOG_TRACE, "BodySID %d\n", segment->body_sid);
break;
case 0x3F0A:
- av_dlog(NULL, "IndexEntryArray found\n");
+ av_log(NULL, AV_LOG_TRACE, "IndexEntryArray found\n");
return mxf_read_index_entry_array(pb, segment);
case 0x3F0B:
segment->index_edit_rate.num = avio_rb32(pb);
segment->index_edit_rate.den = avio_rb32(pb);
- av_dlog(NULL, "IndexEditRate %d/%d\n", segment->index_edit_rate.num,
+ av_log(NULL, AV_LOG_TRACE, "IndexEditRate %d/%d\n", segment->index_edit_rate.num,
segment->index_edit_rate.den);
break;
case 0x3F0C:
segment->index_start_position = avio_rb64(pb);
- av_dlog(NULL, "IndexStartPosition %"PRId64"\n", segment->index_start_position);
+ av_log(NULL, AV_LOG_TRACE, "IndexStartPosition %"PRId64"\n", segment->index_start_position);
break;
case 0x3F0D:
segment->index_duration = avio_rb64(pb);
- av_dlog(NULL, "IndexDuration %"PRId64"\n", segment->index_duration);
+ av_log(NULL, AV_LOG_TRACE, "IndexDuration %"PRId64"\n", segment->index_duration);
break;
}
return 0;
do {
code = avio_r8(pb);
value = avio_r8(pb);
- av_dlog(NULL, "pixel layout: code %#x\n", code);
+ av_log(NULL, AV_LOG_TRACE, "pixel layout: code %#x\n", code);
- if (ofs < 16) {
+ if (ofs <= 14) {
layout[ofs++] = code;
layout[ofs++] = value;
}
descriptor->aspect_ratio.num = avio_rb32(pb);
descriptor->aspect_ratio.den = avio_rb32(pb);
break;
+ case 0x3212:
+ descriptor->field_dominance = avio_r8(pb);
+ break;
case 0x3301:
descriptor->component_depth = avio_rb32(pb);
break;
default:
/* Private uid used by SONY C0023S01.mxf */
if (IS_KLV_KEY(uid, mxf_sony_mpeg4_extradata)) {
- descriptor->extradata = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
+ av_free(descriptor->extradata);
+ descriptor->extradata_size = 0;
+ descriptor->extradata = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!descriptor->extradata)
return AVERROR(ENOMEM);
descriptor->extradata_size = size;
static const MXFCodecUL mxf_picture_essence_container_uls[] = {
// video essence container uls
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 }, 14, AV_CODEC_ID_MPEG2VIDEO }, /* MPEG-ES Frame wrapped */
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, 14, AV_CODEC_ID_DVVIDEO }, /* DV 625 25mbps */
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x05,0x00,0x00 }, 14, AV_CODEC_ID_RAWVIDEO }, /* Uncompressed Picture */
+ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x04,0x60,0x01 }, 14, AV_CODEC_ID_MPEG2VIDEO }, /* MPEG-ES Frame wrapped */
+ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, 14, AV_CODEC_ID_DVVIDEO }, /* DV 625 25mbps */
+ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x05,0x00,0x00 }, 14, AV_CODEC_ID_RAWVIDEO }, /* Uncompressed Picture */
{ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, AV_CODEC_ID_NONE },
};
/* EC ULs for intra-only formats */
static const MXFCodecUL mxf_intra_only_essence_container_uls[] = {
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x00,0x00 }, 14, AV_CODEC_ID_MPEG2VIDEO }, /* MXF-GC SMPTE D-10 Mappings */
+ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x00,0x00 }, 14, AV_CODEC_ID_MPEG2VIDEO }, /* MXF-GC SMPTE D-10 Mappings */
{ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, AV_CODEC_ID_NONE },
};
/* intra-only PictureEssenceCoding ULs, where no corresponding EC UL exists */
static const MXFCodecUL mxf_intra_only_picture_essence_coding_uls[] = {
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x00,0x00 }, 14, AV_CODEC_ID_H264 }, /* H.264/MPEG-4 AVC Intra Profiles */
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 }, 14, AV_CODEC_ID_JPEG2000 }, /* JPEG2000 Codestream */
+ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x00,0x00 }, 14, AV_CODEC_ID_H264 }, /* H.264/MPEG-4 AVC Intra Profiles */
+ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 }, 14, AV_CODEC_ID_JPEG2000 }, /* JPEG2000 Codestream */
{ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, AV_CODEC_ID_NONE },
};
static const MXFCodecUL mxf_sound_essence_container_uls[] = {
// sound essence container uls
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 }, 14, AV_CODEC_ID_PCM_S16LE }, /* BWF Frame wrapped */
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x40,0x01 }, 14, AV_CODEC_ID_MP2 }, /* MPEG-ES Frame wrapped, 0x40 ??? stream id */
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, 14, AV_CODEC_ID_PCM_S16LE }, /* D-10 Mapping 50Mbps PAL Extended Template */
- { { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0xFF,0x4B,0x46,0x41,0x41,0x00,0x0D,0x4D,0x4F }, 14, AV_CODEC_ID_PCM_S16LE }, /* 0001GL00.MXF.A1.mxf_opatom.mxf */
+ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x06,0x01,0x00 }, 14, AV_CODEC_ID_PCM_S16LE }, /* BWF Frame wrapped */
+ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x04,0x40,0x01 }, 14, AV_CODEC_ID_MP2 }, /* MPEG-ES Frame wrapped, 0x40 ??? stream id */
+ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, 14, AV_CODEC_ID_PCM_S16LE }, /* D-10 Mapping 50Mbps PAL Extended Template */
+ { { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0xff,0x4b,0x46,0x41,0x41,0x00,0x0d,0x4d,0x4F }, 14, AV_CODEC_ID_PCM_S16LE }, /* 0001GL00.MXF.A1.mxf_opatom.mxf */
+ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x03,0x04,0x02,0x02,0x02,0x03,0x03,0x01,0x00 }, 14, AV_CODEC_ID_AAC }, /* MPEG2 AAC ADTS (legacy) */
{ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, 0, AV_CODEC_ID_NONE },
};
+static const MXFCodecUL mxf_data_essence_container_uls[] = {
+ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x09,0x0d,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 }, 16, 0 },
+ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x09,0x0d,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 }, 16, AV_CODEC_ID_NONE },
+};
+
+static const char* mxf_data_essence_descriptor[] = {
+ "vbi_vanc_smpte_436M",
+};
+
static int mxf_get_sorted_table_segments(MXFContext *mxf, int *nb_sorted_segments, MXFIndexTableSegment ***sorted_segments)
{
int i, j, nb_segments = 0;
/* sort segments by {BodySID, IndexSID, IndexStartPosition}, remove duplicates while we're at it */
for (i = 0; i < nb_segments; i++) {
int best = -1, best_body_sid = -1, best_index_sid = -1, best_index_start = -1;
+ uint64_t best_index_duration = 0;
for (j = 0; j < nb_segments; j++) {
MXFIndexTableSegment *s = unsorted_segments[j];
/* Require larger BosySID, IndexSID or IndexStartPosition then the previous entry. This removes duplicates.
* We want the smallest values for the keys than what we currently have, unless this is the first such entry this time around.
+ * If we come across an entry with the same IndexStartPosition but larger IndexDuration, then we'll prefer it over the one we currently have.
*/
if ((i == 0 || s->body_sid > last_body_sid || s->index_sid > last_index_sid || s->index_start_position > last_index_start) &&
- (best == -1 || s->body_sid < best_body_sid || s->index_sid < best_index_sid || s->index_start_position < best_index_start)) {
+ (best == -1 || s->body_sid < best_body_sid || s->index_sid < best_index_sid || s->index_start_position < best_index_start ||
+ (s->index_start_position == best_index_start && s->index_duration > best_index_duration))) {
best = j;
best_body_sid = s->body_sid;
best_index_sid = s->index_sid;
best_index_start = s->index_start_position;
+ best_index_duration = s->index_duration;
}
}
}
}
- if (mxf->nb_index_tables > INT_MAX / sizeof(MXFIndexTable) ||
- !(mxf->index_tables = av_mallocz(mxf->nb_index_tables *
- sizeof(MXFIndexTable)))) {
+ mxf->index_tables = av_mallocz_array(mxf->nb_index_tables,
+ sizeof(*mxf->index_tables));
+ if (!mxf->index_tables) {
av_log(mxf->fc, AV_LOG_ERROR, "failed to allocate index tables\n");
ret = AVERROR(ENOMEM);
goto finish_decoding_index;
for (i = j = 0; j < mxf->nb_index_tables; i += mxf->index_tables[j++].nb_segments) {
MXFIndexTable *t = &mxf->index_tables[j];
- if (t->nb_segments >
- (INT_MAX / sizeof(MXFIndexTableSegment *)) ||
- !(t->segments = av_mallocz(t->nb_segments *
- sizeof(MXFIndexTableSegment*)))) {
+ t->segments = av_mallocz_array(t->nb_segments,
+ sizeof(*t->segments));
+
+ if (!t->segments) {
av_log(mxf->fc, AV_LOG_ERROR, "failed to allocate IndexTableSegment"
" pointer array\n");
ret = AVERROR(ENOMEM);
MXFPackage *temp_package = NULL;
int i, j, k, ret;
- av_dlog(mxf->fc, "metadata sets count %d\n", mxf->metadata_sets_count);
+ av_log(mxf->fc, AV_LOG_TRACE, "metadata sets count %d\n", mxf->metadata_sets_count);
/* TODO: handle multiple material packages (OP3x) */
for (i = 0; i < mxf->packages_count; i++) {
material_package = mxf_resolve_strong_ref(mxf, &mxf->packages_refs[i], MaterialPackage);
}
}
if (!source_package) {
- av_dlog(mxf->fc, "material track %d: no corresponding source package found\n", material_track->track_id);
+ av_log(mxf->fc, AV_LOG_TRACE, "material track %d: no corresponding source package found\n", material_track->track_id);
break;
}
for (k = 0; k < source_package->tracks_count; k++) {
}
st->id = source_track->track_id;
st->priv_data = source_track;
- st->duration = component->duration;
+ source_track->original_duration = st->duration = component->duration;
if (st->duration == -1)
st->duration = AV_NOPTS_VALUE;
st->start_time = component->start_position;
+ if (material_track->edit_rate.num <= 0 ||
+ material_track->edit_rate.den <= 0) {
+ av_log(mxf->fc, AV_LOG_WARNING,
+ "Invalid edit rate (%d/%d) found on stream #%d, "
+ "defaulting to 25/1\n",
+ material_track->edit_rate.num,
+ material_track->edit_rate.den, st->index);
+ material_track->edit_rate = (AVRational){25, 1};
+ }
avpriv_set_pts_info(st, 64, material_track->edit_rate.den, material_track->edit_rate.num);
+ /* ensure SourceTrack EditRate == MaterialTrack EditRate since only
+ * the former is accessible via st->priv_data */
+ source_track->edit_rate = material_track->edit_rate;
+
PRINT_KEY(mxf->fc, "data definition ul", source_track->sequence->data_definition_ul);
codec_ul = mxf_get_codec_ul(ff_mxf_data_definition_uls, &source_track->sequence->data_definition_ul);
st->codec->codec_type = codec_ul->id;
"SegmentedFrame layout isn't currently supported\n");
break;
case FullFrame:
+ st->codec->field_order = AV_FIELD_PROGRESSIVE;
break;
case OneField:
/* Every other line is stored and needs to be duplicated. */
* It's also for compatibility with the old behavior. */
case SeparateFields:
case MixedFields:
+ switch (descriptor->field_dominance) {
+ case MXF_TFF:
+ st->codec->field_order = AV_FIELD_TT;
+ break;
+ case MXF_BFF:
+ st->codec->field_order = AV_FIELD_BB;
+ break;
+ default:
+ avpriv_request_sample(mxf->fc,
+ "Field dominance %d support",
+ descriptor->field_dominance);
+ break;
+ }
/* Turn field height into frame height. */
st->codec->height *= 2;
+ break;
default:
av_log(mxf->fc, AV_LOG_INFO,
"Unknown frame layout type: %d\n",
}
}
st->need_parsing = AVSTREAM_PARSE_HEADERS;
+ if (material_track->sequence->origin) {
+ char material_origin[3];
+ snprintf(material_origin, sizeof(material_origin), "%d", material_track->sequence->origin);
+ av_dict_set(&st->metadata, "material_track_origin", material_origin, 0);
+ }
+ if (source_track->sequence->origin) {
+ char source_origin[3];
+ snprintf(source_origin, sizeof(source_origin), "%d", source_track->sequence->origin);
+ av_dict_set(&st->metadata, "source_track_origin", source_origin, 0);
+ }
} else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
container_ul = mxf_get_codec_ul(mxf_sound_essence_container_uls, essence_container_ul);
if (st->codec->codec_id == AV_CODEC_ID_NONE)
avpriv_set_pts_info(st, 64, 1, 48000);
}
+ /* if duration is set, rescale it from EditRate to SampleRate */
+ if (st->duration != AV_NOPTS_VALUE)
+ st->duration = av_rescale_q(st->duration,
+ av_inv_q(material_track->edit_rate),
+ st->time_base);
+
/* TODO: implement AV_CODEC_ID_RAWAUDIO */
if (st->codec->codec_id == AV_CODEC_ID_PCM_S16LE) {
if (descriptor->bits_per_sample > 16 && descriptor->bits_per_sample <= 24)
} else if (st->codec->codec_id == AV_CODEC_ID_MP2) {
st->need_parsing = AVSTREAM_PARSE_FULL;
}
+ } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
+ int codec_id = mxf_get_codec_ul(mxf_data_essence_container_uls,
+ essence_container_ul)->id;
+ if (codec_id >= 0 &&
+ codec_id < FF_ARRAY_ELEMS(mxf_data_essence_descriptor)) {
+ av_dict_set(&st->metadata, "data_type",
+ mxf_data_essence_descriptor[codec_id], 0);
+ }
}
if (descriptor->extradata) {
- st->codec->extradata = av_mallocz(descriptor->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
- if (st->codec->extradata)
+ st->codec->extradata = av_mallocz(descriptor->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (st->codec->extradata) {
memcpy(st->codec->extradata, descriptor->extradata, descriptor->extradata_size);
+ st->codec->extradata_size = descriptor->extradata_size;
+ }
} else if (st->codec->codec_id == AV_CODEC_ID_H264) {
ret = ff_generate_avci_extradata(st);
if (ret < 0)
return ret;
}
+static int mxf_read_utf16_string(AVIOContext *pb, int size, char** str)
+{
+ int ret;
+ size_t buf_size;
+
+ if (size < 0)
+ return AVERROR(EINVAL);
+
+ buf_size = size + size / 2 + 1;
+ *str = av_malloc(buf_size);
+ if (!*str)
+ return AVERROR(ENOMEM);
+
+ if ((ret = avio_get_str16be(pb, size, *str, buf_size)) < 0) {
+ av_freep(str);
+ return ret;
+ }
+
+ return ret;
+}
+
+static int mxf_uid_to_str(UID uid, char **str)
+{
+ int i;
+ char *p;
+ p = *str = av_mallocz(sizeof(UID) * 2 + 4 + 1);
+ if (!p)
+ return AVERROR(ENOMEM);
+ for (i = 0; i < sizeof(UID); i++) {
+ snprintf(p, 2 + 1, "%.2x", uid[i]);
+ p += 2;
+ if (i == 3 || i == 5 || i == 7 || i == 9) {
+ snprintf(p, 1 + 1, "-");
+ p++;
+ }
+ }
+ return 0;
+}
+
+static int mxf_timestamp_to_str(uint64_t timestamp, char **str)
+{
+ struct tm time = { 0 };
+ time.tm_year = (timestamp >> 48) - 1900;
+ time.tm_mon = (timestamp >> 40 & 0xFF) - 1;
+ time.tm_mday = (timestamp >> 32 & 0xFF);
+ time.tm_hour = (timestamp >> 24 & 0xFF);
+ time.tm_min = (timestamp >> 16 & 0xFF);
+ time.tm_sec = (timestamp >> 8 & 0xFF);
+
+ /* msvcrt versions of strftime calls the invalid parameter handler
+ * (aborting the process if one isn't set) if the parameters are out
+ * of range. */
+ time.tm_mon = av_clip(time.tm_mon, 0, 11);
+ time.tm_mday = av_clip(time.tm_mday, 1, 31);
+ time.tm_hour = av_clip(time.tm_hour, 0, 23);
+ time.tm_min = av_clip(time.tm_min, 0, 59);
+ time.tm_sec = av_clip(time.tm_sec, 0, 59);
+
+ *str = av_mallocz(32);
+ if (!*str)
+ return AVERROR(ENOMEM);
+ if (!strftime(*str, 32, "%Y-%m-%d %H:%M:%S", &time))
+ (*str)[0] = '\0';
+
+ return 0;
+}
+
+#define SET_STR_METADATA(pb, name, str) do { \
+ if ((ret = mxf_read_utf16_string(pb, size, &str)) < 0) \
+ return ret; \
+ av_dict_set(&s->metadata, name, str, AV_DICT_DONT_STRDUP_VAL); \
+} while (0)
+
+#define SET_UID_METADATA(pb, name, var, str) do { \
+ avio_read(pb, var, 16); \
+ if ((ret = mxf_uid_to_str(var, &str)) < 0) \
+ return ret; \
+ av_dict_set(&s->metadata, name, str, AV_DICT_DONT_STRDUP_VAL); \
+} while (0)
+
+#define SET_TS_METADATA(pb, name, var, str) do { \
+ var = avio_rb64(pb); \
+ if ((ret = mxf_timestamp_to_str(var, &str)) < 0) \
+ return ret; \
+ av_dict_set(&s->metadata, name, str, AV_DICT_DONT_STRDUP_VAL); \
+} while (0)
+
+static int mxf_read_identification_metadata(void *arg, AVIOContext *pb, int tag, int size, UID _uid, int64_t klv_offset)
+{
+ MXFContext *mxf = arg;
+ AVFormatContext *s = mxf->fc;
+ int ret;
+ UID uid = { 0 };
+ char *str = NULL;
+ uint64_t ts;
+ switch (tag) {
+ case 0x3C01:
+ SET_STR_METADATA(pb, "company_name", str);
+ break;
+ case 0x3C02:
+ SET_STR_METADATA(pb, "product_name", str);
+ break;
+ case 0x3C04:
+ SET_STR_METADATA(pb, "product_version", str);
+ break;
+ case 0x3C05:
+ SET_UID_METADATA(pb, "product_uid", uid, str);
+ break;
+ case 0x3C06:
+ SET_TS_METADATA(pb, "modification_date", ts, str);
+ break;
+ case 0x3C08:
+ SET_STR_METADATA(pb, "application_platform", str);
+ break;
+ case 0x3C09:
+ SET_UID_METADATA(pb, "generation_uid", uid, str);
+ break;
+ case 0x3C0A:
+ SET_UID_METADATA(pb, "uid", uid, str);
+ break;
+ }
+ return 0;
+}
+
static const MXFMetadataReadTableEntry mxf_metadata_read_table[] = {
- { { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x05,0x01,0x00 }, mxf_read_primer_pack },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }, mxf_read_partition_pack },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x02,0x00 }, mxf_read_partition_pack },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x03,0x00 }, mxf_read_partition_pack },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x04,0x00 }, mxf_read_partition_pack },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x01,0x00 }, mxf_read_partition_pack },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x02,0x00 }, mxf_read_partition_pack },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x03,0x00 }, mxf_read_partition_pack },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }, mxf_read_partition_pack },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x04,0x02,0x00 }, mxf_read_partition_pack },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }, mxf_read_partition_pack },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x18,0x00 }, mxf_read_content_storage, 0, AnyType },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x37,0x00 }, mxf_read_source_package, sizeof(MXFPackage), SourcePackage },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x36,0x00 }, mxf_read_material_package, sizeof(MXFPackage), MaterialPackage },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x0F,0x00 }, mxf_read_sequence, sizeof(MXFSequence), Sequence },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x11,0x00 }, mxf_read_source_clip, sizeof(MXFStructuralComponent), SourceClip },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x44,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), MultipleDescriptor },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x42,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, /* Generic Sound */
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x28,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, /* CDCI */
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x29,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, /* RGBA */
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, /* MPEG 2 Video */
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, /* Wave */
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, /* AES3 */
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3A,0x00 }, mxf_read_track, sizeof(MXFTrack), Track }, /* Static Track */
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3B,0x00 }, mxf_read_track, sizeof(MXFTrack), Track }, /* Generic Track */
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x04,0x01,0x02,0x02,0x00,0x00 }, mxf_read_cryptographic_context, sizeof(MXFCryptoContext), CryptoContext },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 }, mxf_read_index_table_segment, sizeof(MXFIndexTableSegment), IndexTableSegment },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x05,0x01,0x00 }, mxf_read_primer_pack },
+// { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x2f,0x00 }, mxf_read_preface_pack },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }, mxf_read_partition_pack },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x02,0x00 }, mxf_read_partition_pack },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x03,0x00 }, mxf_read_partition_pack },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x04,0x00 }, mxf_read_partition_pack },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x01,0x00 }, mxf_read_partition_pack },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x02,0x00 }, mxf_read_partition_pack },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x03,0x00 }, mxf_read_partition_pack },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }, mxf_read_partition_pack },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x04,0x02,0x00 }, mxf_read_partition_pack },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }, mxf_read_partition_pack },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x30,0x00 }, mxf_read_identification_metadata },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x18,0x00 }, mxf_read_content_storage, 0, AnyType },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x37,0x00 }, mxf_read_source_package, sizeof(MXFPackage), SourcePackage },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x36,0x00 }, mxf_read_material_package, sizeof(MXFPackage), MaterialPackage },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x0F,0x00 }, mxf_read_sequence, sizeof(MXFSequence), Sequence },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x11,0x00 }, mxf_read_source_clip, sizeof(MXFStructuralComponent), SourceClip },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x44,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), MultipleDescriptor },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x42,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, /* Generic Sound */
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x28,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, /* CDCI */
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x29,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, /* RGBA */
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, /* MPEG 2 Video */
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, /* Wave */
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, /* AES3 */
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, /* MPEG2VideoDescriptor */
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5c,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, /* VANC/VBI - SMPTE 436M */
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5e,0x00 }, mxf_read_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, /* MPEG2AudioDescriptor */
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3A,0x00 }, mxf_read_track, sizeof(MXFTrack), Track }, /* Static Track */
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3B,0x00 }, mxf_read_track, sizeof(MXFTrack), Track }, /* Generic Track */
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x04,0x01,0x02,0x02,0x00,0x00 }, mxf_read_cryptographic_context, sizeof(MXFCryptoContext), CryptoContext },
+ { { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 }, mxf_read_index_table_segment, sizeof(MXFIndexTableSegment), IndexTableSegment },
{ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, NULL, 0, AnyType },
};
uint64_t next = avio_tell(pb) + size;
UID uid = {0};
- av_dlog(mxf->fc, "local tag %#04x size %d\n", tag, size);
+ av_log(mxf->fc, AV_LOG_TRACE, "local tag %#04x size %d\n", tag, size);
if (!size) { /* ignore empty tag, needed for some files with empty UMID tag */
av_log(mxf->fc, AV_LOG_ERROR, "local tag %#04x with 0 size\n", tag);
continue;
int local_tag = AV_RB16(mxf->local_tags+i*18);
if (local_tag == tag) {
memcpy(uid, mxf->local_tags+i*18+2, 16);
- av_dlog(mxf->fc, "local tag %#04x\n", local_tag);
+ av_log(mxf->fc, AV_LOG_TRACE, "local tag %#04x\n", local_tag);
PRINT_KEY(mxf->fc, "uid", uid);
}
}
/* Accept the 64k local set limit being exceeded (Avid). Don't accept
* it extending past the end of the KLV though (zzuf5.mxf). */
if (avio_tell(pb) > klv_end) {
+ if (ctx_size)
+ av_free(ctx);
+
av_log(mxf->fc, AV_LOG_ERROR,
"local tag %#04x extends past end of local set @ %#"PRIx64"\n",
tag, klv->offset);
avio_seek(pb, mxf->run_in + mxf->current_partition->previous_partition, SEEK_SET);
mxf->current_partition = NULL;
- av_dlog(mxf->fc, "seeking to previous partition\n");
+ av_log(mxf->fc, AV_LOG_TRACE, "seeking to previous partition\n");
return 1;
}
if (mxf->parsing_backward) {
return mxf_seek_to_previous_partition(mxf);
} else {
- if (!mxf->footer_partition) {
- av_dlog(mxf->fc, "no footer\n");
+ uint64_t offset = mxf->footer_partition ? mxf->footer_partition
+ : mxf->last_partition;
+
+ if (!offset) {
+ av_log(mxf->fc, AV_LOG_TRACE, "no last partition\n");
return 0;
}
- av_dlog(mxf->fc, "seeking to footer\n");
+ av_log(mxf->fc, AV_LOG_TRACE, "seeking to last partition\n");
/* remember where we were so we don't end up seeking further back than this */
mxf->last_forward_tell = avio_tell(pb);
if (!pb->seekable) {
- av_log(mxf->fc, AV_LOG_INFO, "file is not seekable - not parsing footer\n");
+ av_log(mxf->fc, AV_LOG_INFO, "file is not seekable - not parsing last partition\n");
return -1;
}
- /* seek to footer partition and parse backward */
- if ((ret = avio_seek(pb, mxf->run_in + mxf->footer_partition, SEEK_SET)) < 0) {
- av_log(mxf->fc, AV_LOG_ERROR, "failed to seek to footer @ 0x%"PRIx64" (%"PRId64") - partial file?\n",
- mxf->run_in + mxf->footer_partition, ret);
+ /* seek to last partition and parse backward */
+ if ((ret = avio_seek(pb, mxf->run_in + offset, SEEK_SET)) < 0) {
+ av_log(mxf->fc, AV_LOG_ERROR,
+ "failed to seek to last partition @ 0x%" PRIx64
+ " (%"PRId64") - partial file?\n",
+ mxf->run_in + offset, ret);
return ret;
}
mxf->edit_units_per_packet = 1920;
}
+static void mxf_read_random_index_pack(AVFormatContext *s)
+{
+ MXFContext *mxf = s->priv_data;
+ uint32_t length;
+ int64_t file_size;
+ KLVPacket klv;
+
+ if (!s->pb->seekable)
+ return;
+
+ file_size = avio_size(s->pb);
+ avio_seek(s->pb, file_size - 4, SEEK_SET);
+ length = avio_rb32(s->pb);
+ if (length <= 32 || length >= FFMIN(file_size, INT_MAX))
+ goto end;
+ avio_seek(s->pb, file_size - length, SEEK_SET);
+ if (klv_read_packet(&klv, s->pb) < 0 ||
+ !IS_KLV_KEY(klv.key, mxf_random_index_pack_key) ||
+ klv.length != length - 20)
+ goto end;
+
+ avio_skip(s->pb, klv.length - 12);
+ mxf->last_partition = avio_rb64(s->pb);
+
+end:
+ avio_seek(s->pb, mxf->run_in, SEEK_SET);
+}
+
static int mxf_read_header(AVFormatContext *s)
{
MXFContext *mxf = s->priv_data;
mxf->fc = s;
mxf->run_in = avio_tell(s->pb);
+ mxf_read_random_index_pack(s);
+
while (!s->pb->eof_reached) {
+
const MXFMetadataReadTableEntry *metadata;
if (klv_read_packet(&klv, s->pb) < 0) {
}
PRINT_KEY(s, "read header", klv.key);
- av_dlog(s, "size %"PRIu64" offset %#"PRIx64"\n", klv.length, klv.offset);
+ av_log(s, AV_LOG_TRACE, "size %"PRIu64" offset %#"PRIx64"\n", klv.length, klv.offset);
if (IS_KLV_KEY(klv.key, mxf_encrypted_triplet_key) ||
IS_KLV_KEY(klv.key, mxf_essence_element_key) ||
IS_KLV_KEY(klv.key, mxf_avid_essence_element_key) ||
return res;
}
break;
+ } else {
+ av_log(s, AV_LOG_VERBOSE, "Dark key " PRIxUID "\n",
+ UID_ARG(klv.key));
}
}
if (!metadata->read)
return next_ofs;
}
+static int mxf_compute_sample_count(MXFContext *mxf, int stream_index,
+ uint64_t *sample_count)
+{
+ int i, total = 0, size = 0;
+ AVStream *st = mxf->fc->streams[stream_index];
+ MXFTrack *track = st->priv_data;
+ AVRational time_base = av_inv_q(track->edit_rate);
+ AVRational sample_rate = av_inv_q(st->time_base);
+ const MXFSamplesPerFrame *spf = NULL;
+
+ if ((sample_rate.num / sample_rate.den) == 48000)
+ spf = ff_mxf_get_samples_per_frame(mxf->fc, time_base);
+ if (!spf) {
+ int remainder = (sample_rate.num * time_base.num) %
+ (time_base.den * sample_rate.den);
+ *sample_count = av_q2d(av_mul_q((AVRational){mxf->current_edit_unit, 1},
+ av_mul_q(sample_rate, time_base)));
+ if (remainder)
+ av_log(mxf->fc, AV_LOG_WARNING,
+ "seeking detected on stream #%d with time base (%d/%d) and "
+ "sample rate (%d/%d), audio pts won't be accurate.\n",
+ stream_index, time_base.num, time_base.den,
+ sample_rate.num, sample_rate.den);
+ return 0;
+ }
+
+ while (spf->samples_per_frame[size]) {
+ total += spf->samples_per_frame[size];
+ size++;
+ }
+
+ if (!size)
+ return 0;
+
+ *sample_count = (mxf->current_edit_unit / size) * (uint64_t)total;
+ for (i = 0; i < mxf->current_edit_unit % size; i++) {
+ *sample_count += spf->samples_per_frame[i];
+ }
+
+ return 0;
+}
+
+static int mxf_set_audio_pts(MXFContext *mxf, AVCodecContext *codec,
+ AVPacket *pkt)
+{
+ MXFTrack *track = mxf->fc->streams[pkt->stream_index]->priv_data;
+ int64_t bits_per_sample = codec->bits_per_coded_sample;
+
+ if (!bits_per_sample)
+ bits_per_sample = av_get_bits_per_sample(codec->codec_id);
+
+ pkt->pts = track->sample_count;
+
+ if (codec->channels <= 0 || codec->channels * bits_per_sample < 8)
+ return AVERROR_INVALIDDATA;
+
+ track->sample_count += pkt->size / (codec->channels * bits_per_sample / 8);
+ return 0;
+}
+
static int mxf_read_packet_old(AVFormatContext *s, AVPacket *pkt)
{
KLVPacket klv;
MXFContext *mxf = s->priv_data;
+ int ret;
while (!s->pb->eof_reached) {
- if (klv_read_packet(&klv, s->pb) < 0)
- return -1;
+ if ((ret = klv_read_packet(&klv, s->pb)) < 0)
+ return ret;
PRINT_KEY(s, "read packet", klv.key);
- av_dlog(s, "size %"PRIu64" offset %#"PRIx64"\n", klv.length, klv.offset);
+ av_log(s, AV_LOG_TRACE, "size %"PRIu64" offset %#"PRIx64"\n", klv.length, klv.offset);
if (IS_KLV_KEY(klv.key, mxf_encrypted_triplet_key)) {
- int res = mxf_decrypt_triplet(s, pkt, &klv);
- if (res < 0) {
+ ret = mxf_decrypt_triplet(s, pkt, &klv);
+ if (ret < 0) {
av_log(s, AV_LOG_ERROR, "invalid encoded triplet\n");
- return -1;
+ return ret;
}
return 0;
}
int64_t next_ofs, next_klv;
AVStream *st;
MXFTrack *track;
+ AVCodecContext *codec;
if (index < 0) {
- av_log(s, AV_LOG_ERROR, "error getting stream index %d\n", AV_RB32(klv.key+12));
+ av_log(s, AV_LOG_ERROR,
+ "error getting stream index %"PRIu32"\n",
+ AV_RB32(klv.key + 12));
goto skip;
}
/* check for 8 channels AES3 element */
if (klv.key[12] == 0x06 && klv.key[13] == 0x01 && klv.key[14] == 0x10) {
- if (mxf_get_d10_aes3_packet(s->pb, s->streams[index], pkt, klv.length) < 0) {
+ ret = mxf_get_d10_aes3_packet(s->pb, s->streams[index],
+ pkt, klv.length);
+ if (ret < 0) {
av_log(s, AV_LOG_ERROR, "error reading D-10 aes3 frame\n");
- return -1;
+ return ret;
}
} else {
- int ret = av_get_packet(s->pb, pkt, klv.length);
+ ret = av_get_packet(s->pb, pkt, klv.length);
if (ret < 0)
return ret;
}
pkt->stream_index = index;
pkt->pos = klv.offset;
- if (s->streams[index]->codec->codec_type == AVMEDIA_TYPE_VIDEO && next_ofs >= 0) {
+ codec = s->streams[index]->codec;
+
+ if (codec->codec_type == AVMEDIA_TYPE_VIDEO && next_ofs >= 0) {
/* mxf->current_edit_unit good - see if we have an
* index table to derive timestamps from */
MXFIndexTable *t = &mxf->index_tables[0];
* < PTS if low_delay = 0 (Sony IMX30) */
pkt->pts = mxf->current_edit_unit;
}
+ } else if (codec->codec_type == AVMEDIA_TYPE_AUDIO) {
+ ret = mxf_set_audio_pts(mxf, codec, pkt);
+ if (ret < 0)
+ return ret;
}
/* seek for truncated packets */
if ((ret = av_get_packet(s->pb, pkt, size)) != size)
return ret < 0 ? ret : AVERROR_EOF;
+ pkt->stream_index = 0;
+
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && t->ptses &&
mxf->current_edit_unit >= 0 && mxf->current_edit_unit < t->nb_ptses) {
pkt->dts = mxf->current_edit_unit + t->first_dts;
pkt->pts = t->ptses[mxf->current_edit_unit];
+ } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
+ int ret = mxf_set_audio_pts(mxf, st->codec, pkt);
+ if (ret < 0)
+ return ret;
}
- pkt->stream_index = 0;
mxf->current_edit_unit += edit_units;
return 0;
for (i = 0; i < mxf->metadata_sets_count; i++) {
switch (mxf->metadata_sets[i]->type) {
+ case Descriptor:
+ av_freep(&((MXFDescriptor *)mxf->metadata_sets[i])->extradata);
+ break;
case MultipleDescriptor:
av_freep(&((MXFDescriptor *)mxf->metadata_sets[i])->sub_descriptors_refs);
break;
int64_t seconds;
MXFContext* mxf = s->priv_data;
int64_t seekpos;
- int ret;
+ int i, ret;
MXFIndexTable *t;
+ MXFTrack *source_track = st->priv_data;
+
+ /* if audio then truncate sample_time to EditRate */
+ if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
+ sample_time = av_rescale_q(sample_time, st->time_base,
+ av_inv_q(source_track->edit_rate));
if (mxf->nb_index_tables <= 0) {
if (!s->bit_rate)
sample_time = 0;
seconds = av_rescale(sample_time, st->time_base.num, st->time_base.den);
- if ((ret = avio_seek(s->pb, (s->bit_rate * seconds) >> 3, SEEK_SET)) < 0)
- return ret;
+ seekpos = avio_seek(s->pb, (s->bit_rate * seconds) >> 3, SEEK_SET);
+ if (seekpos < 0)
+ return seekpos;
+
ff_update_cur_dts(s, st, sample_time);
mxf->current_edit_unit = sample_time;
} else {
} else {
/* no IndexEntryArray (one or more CBR segments)
* make sure we don't seek past the end */
- sample_time = FFMIN(sample_time, st->duration - 1);
+ sample_time = FFMIN(sample_time, source_track->original_duration - 1);
}
if ((ret = mxf_edit_unit_absolute_offset(mxf, t, sample_time, &sample_time, &seekpos, 1)) << 0)
mxf->current_edit_unit = sample_time;
avio_seek(s->pb, seekpos, SEEK_SET);
}
+
+ // Update all tracks sample count
+ for (i = 0; i < s->nb_streams; i++) {
+ AVStream *cur_st = s->streams[i];
+ MXFTrack *cur_track = cur_st->priv_data;
+ uint64_t current_sample_count = 0;
+ if (cur_st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
+ ret = mxf_compute_sample_count(mxf, i, ¤t_sample_count);
+ if (ret < 0)
+ return ret;
+
+ cur_track->sample_count = current_sample_count;
+ }
+ }
return 0;
}
projects / ffmpeg / blobdiff