* copyright (c) 2002 Francois Revol <revol@free.fr>
* copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* isom.c */
extern const AVCodecTag ff_mp4_obj_type[];
-extern const AVCodecTag codec_movvideo_tags[];
-extern const AVCodecTag codec_movaudio_tags[];
+extern const AVCodecTag ff_codec_movvideo_tags[];
+extern const AVCodecTag ff_codec_movaudio_tags[];
extern const AVCodecTag ff_codec_movsubtitle_tags[];
int ff_mov_iso639_to_lang(const char lang[4], int mp4);
* Here we just use what is needed to read the chunks
*/
-typedef struct {
+typedef struct MOVStts {
int count;
int duration;
} MOVStts;
-typedef struct {
+typedef struct MOVStsc {
int first;
int count;
int id;
} MOVStsc;
-typedef struct {
+typedef struct MOVDref {
uint32_t type;
char *path;
char *dir;
int16_t nlvl_to, nlvl_from;
} MOVDref;
-typedef struct {
+typedef struct MOVAtom {
uint32_t type;
int64_t size; /* total size (excluding the size and type fields) */
} MOVAtom;
struct MOVParseTableEntry;
-typedef struct {
+typedef struct MOVFragment {
unsigned track_id;
uint64_t base_data_offset;
uint64_t moof_offset;
+ uint64_t implicit_offset;
unsigned stsd_id;
unsigned duration;
unsigned size;
unsigned flags;
} MOVFragment;
-typedef struct {
+typedef struct MOVTrackExt {
unsigned track_id;
unsigned stsd_id;
unsigned duration;
unsigned flags;
} MOVTrackExt;
+typedef struct MOVSbgp {
+ unsigned int count;
+ unsigned int index;
+} MOVSbgp;
+
typedef struct MOVStreamContext {
- ByteIOContext *pb;
+ AVIOContext *pb;
int ffindex; ///< AVStream index
int next_chunk;
unsigned int chunk_count;
unsigned int sample_size;
unsigned int sample_count;
int *sample_sizes;
+ int keyframe_absent;
unsigned int keyframe_count;
int *keyframes;
int time_scale;
- int time_offset; ///< time offset of the first edit list entry
+ int64_t time_offset; ///< time offset of the first edit list entry
int current_sample;
unsigned int bytes_per_frame;
unsigned int samples_per_frame;
int width; ///< tkhd width
int height; ///< tkhd height
int dts_shift; ///< dts shift when ctts is negative
+ uint32_t palette[256];
+ int has_palette;
+ int64_t data_size;
+ int64_t track_end; ///< used for dts generation in fragmented movie files
+ unsigned int rap_group_count;
+ MOVSbgp *rap_group;
+
+ int32_t *display_matrix;
} MOVStreamContext;
typedef struct MOVContext {
unsigned trex_count;
int itunes_metadata; ///< metadata are itunes style
int chapter_track;
+ int64_t next_root_atom; ///< offset of the next root atom
} MOVContext;
-int ff_mp4_read_descr_len(ByteIOContext *pb);
-int ff_mov_read_esds(AVFormatContext *fc, ByteIOContext *pb, MOVAtom atom);
-enum CodecID ff_mov_get_lpcm_codec_id(int bps, int flags);
-
-int ff_mov_read_stsd_entries(MOVContext *c, ByteIOContext *pb, int entries);
+int ff_mp4_read_descr_len(AVIOContext *pb);
+int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag);
+int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb);
+void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id);
+
+#define MP4ODescrTag 0x01
+#define MP4IODescrTag 0x02
+#define MP4ESDescrTag 0x03
+#define MP4DecConfigDescrTag 0x04
+#define MP4DecSpecificDescrTag 0x05
+#define MP4SLDescrTag 0x06
+
+#define MOV_TFHD_BASE_DATA_OFFSET 0x01
+#define MOV_TFHD_STSD_ID 0x02
+#define MOV_TFHD_DEFAULT_DURATION 0x08
+#define MOV_TFHD_DEFAULT_SIZE 0x10
+#define MOV_TFHD_DEFAULT_FLAGS 0x20
+#define MOV_TFHD_DURATION_IS_EMPTY 0x010000
+#define MOV_TFHD_DEFAULT_BASE_IS_MOOF 0x020000
+
+#define MOV_TRUN_DATA_OFFSET 0x01
+#define MOV_TRUN_FIRST_SAMPLE_FLAGS 0x04
+#define MOV_TRUN_SAMPLE_DURATION 0x100
+#define MOV_TRUN_SAMPLE_SIZE 0x200
+#define MOV_TRUN_SAMPLE_FLAGS 0x400
+#define MOV_TRUN_SAMPLE_CTS 0x800
+
+#define MOV_FRAG_SAMPLE_FLAG_DEGRADATION_PRIORITY_MASK 0x0000ffff
+#define MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC 0x00010000
+#define MOV_FRAG_SAMPLE_FLAG_PADDING_MASK 0x000e0000
+#define MOV_FRAG_SAMPLE_FLAG_REDUNDANCY_MASK 0x00300000
+#define MOV_FRAG_SAMPLE_FLAG_DEPENDED_MASK 0x00c00000
+#define MOV_FRAG_SAMPLE_FLAG_DEPENDS_MASK 0x03000000
+
+#define MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO 0x02000000
+#define MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES 0x01000000
+
+#define MOV_TKHD_FLAG_ENABLED 0x0001
+#define MOV_TKHD_FLAG_IN_MOVIE 0x0002
+#define MOV_TKHD_FLAG_IN_PREVIEW 0x0004
+#define MOV_TKHD_FLAG_IN_POSTER 0x0008
+
+#define TAG_IS_AVCI(tag) \
+ ((tag) == MKTAG('a', 'i', '5', 'p') || \
+ (tag) == MKTAG('a', 'i', '5', 'q') || \
+ (tag) == MKTAG('a', 'i', '5', '2') || \
+ (tag) == MKTAG('a', 'i', '5', '3') || \
+ (tag) == MKTAG('a', 'i', '5', '5') || \
+ (tag) == MKTAG('a', 'i', '5', '6') || \
+ (tag) == MKTAG('a', 'i', '1', 'p') || \
+ (tag) == MKTAG('a', 'i', '1', 'q') || \
+ (tag) == MKTAG('a', 'i', '1', '2') || \
+ (tag) == MKTAG('a', 'i', '1', '3') || \
+ (tag) == MKTAG('a', 'i', '1', '5') || \
+ (tag) == MKTAG('a', 'i', '1', '6') || \
+ (tag) == MKTAG('A', 'V', 'i', 'n'))
+
+
+int ff_mov_read_esds(AVFormatContext *fc, AVIOContext *pb, MOVAtom atom);
+enum AVCodecID ff_mov_get_lpcm_codec_id(int bps, int flags);
+
+int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries);
#endif /* AVFORMAT_ISOM_H */
projects / ffmpeg / blobdiff