24 #ifndef AVFORMAT_ISOM_H
25 #define AVFORMAT_ISOM_H
249 #define MP4ODescrTag 0x01
250 #define MP4IODescrTag 0x02
251 #define MP4ESDescrTag 0x03
252 #define MP4DecConfigDescrTag 0x04
253 #define MP4DecSpecificDescrTag 0x05
254 #define MP4SLDescrTag 0x06
256 #define MOV_TFHD_BASE_DATA_OFFSET 0x01
257 #define MOV_TFHD_STSD_ID 0x02
258 #define MOV_TFHD_DEFAULT_DURATION 0x08
259 #define MOV_TFHD_DEFAULT_SIZE 0x10
260 #define MOV_TFHD_DEFAULT_FLAGS 0x20
261 #define MOV_TFHD_DURATION_IS_EMPTY 0x010000
262 #define MOV_TFHD_DEFAULT_BASE_IS_MOOF 0x020000
264 #define MOV_TRUN_DATA_OFFSET 0x01
265 #define MOV_TRUN_FIRST_SAMPLE_FLAGS 0x04
266 #define MOV_TRUN_SAMPLE_DURATION 0x100
267 #define MOV_TRUN_SAMPLE_SIZE 0x200
268 #define MOV_TRUN_SAMPLE_FLAGS 0x400
269 #define MOV_TRUN_SAMPLE_CTS 0x800
271 #define MOV_FRAG_SAMPLE_FLAG_DEGRADATION_PRIORITY_MASK 0x0000ffff
272 #define MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC 0x00010000
273 #define MOV_FRAG_SAMPLE_FLAG_PADDING_MASK 0x000e0000
274 #define MOV_FRAG_SAMPLE_FLAG_REDUNDANCY_MASK 0x00300000
275 #define MOV_FRAG_SAMPLE_FLAG_DEPENDED_MASK 0x00c00000
276 #define MOV_FRAG_SAMPLE_FLAG_DEPENDS_MASK 0x03000000
278 #define MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO 0x02000000
279 #define MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES 0x01000000
281 #define MOV_TKHD_FLAG_ENABLED 0x0001
282 #define MOV_TKHD_FLAG_IN_MOVIE 0x0002
283 #define MOV_TKHD_FLAG_IN_PREVIEW 0x0004
284 #define MOV_TKHD_FLAG_IN_POSTER 0x0008
286 #define TAG_IS_AVCI(tag) \
287 ((tag) == MKTAG('a', 'i', '5', 'p') || \
288 (tag) == MKTAG('a', 'i', '5', 'q') || \
289 (tag) == MKTAG('a', 'i', '5', '2') || \
290 (tag) == MKTAG('a', 'i', '5', '3') || \
291 (tag) == MKTAG('a', 'i', '5', '5') || \
292 (tag) == MKTAG('a', 'i', '5', '6') || \
293 (tag) == MKTAG('a', 'i', '1', 'p') || \
294 (tag) == MKTAG('a', 'i', '1', 'q') || \
295 (tag) == MKTAG('a', 'i', '1', '2') || \
296 (tag) == MKTAG('a', 'i', '1', '3') || \
297 (tag) == MKTAG('a', 'i', '1', '5') || \
298 (tag) == MKTAG('a', 'i', '1', '6') || \
299 (tag) == MKTAG('a', 'i', 'v', 'x') || \
300 (tag) == MKTAG('A', 'V', 'i', 'n'))
309 #define FF_MOV_FLAG_MFRA_AUTO -1
310 #define FF_MOV_FLAG_MFRA_DTS 1
311 #define FF_MOV_FLAG_MFRA_PTS 2
int itunes_metadata
metadata are itunes style
int * bitrates
bitrates read before streams creation
uint32_t tmcd_flags
tmcd track flags
const AVCodecTag ff_mp4_obj_type[]
uint8_t * auxiliary_info_end
unsigned int rap_group_count
unsigned int samples_per_frame
uint64_t base_data_offset
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
int16_t audio_cid
stsd audio compression id
unsigned fragment_index_count
int found_moov
'moov' atom has been found
int isom
1 if file is ISO Media (mp4/3gp)
int found_mdat
'mdat' atom has been found
const AVCodecTag ff_codec_movvideo_tags[]
int fragment_index_complete
const AVCodecTag ff_codec_movaudio_tags[]
int ff_mp4_read_descr_len(AVIOContext *pb)
unsigned int sample_count
int dts_shift
dts shift when ctts is negative
uint8_t * auxiliary_info_pos
int activation_bytes_size
MOVFragmentIndex ** fragment_index_data
struct AVAESCTR * aes_ctr
const AVCodecTag ff_codec_movsubtitle_tags[]
int64_t time_offset
time offset of the edit list entries
unsigned int keyframe_count
AVCodecID
Identify the syntax and semantics of the bitstream.
struct AVAES * aes_decrypt
static const uint16_t fc[]
uint8_t auxiliary_info_default_size
int audible_fixed_key_size
MOVFragmentIndexItem * items
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
int ff_mov_read_esds(AVFormatContext *fc, AVIOContext *pb)
size_t auxiliary_info_sizes_count
int64_t duration
duration of the longest track
DVDemuxContext * dv_demux
unsigned int stsz_sample_size
always contains sample size from stsz atom
Describe the class of an AVClass context structure.
unsigned int aax_mode
'aax' file has been detected
MOVFragment fragment
current fragment in moof atom
int64_t track_end
used for dts generation in fragmented movie files
int ff_mov_lang_to_iso639(unsigned code, char to[4])
int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
AVFormatContext * dv_fctx
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
unsigned * stps_data
partial sync sample for mpeg-2 open gop
uint8_t * auxiliary_info_sizes
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
int start_pad
amount of samples to skip due to enc-dec delay
int trak_index
Index of the current 'trak'.
unsigned int bytes_per_frame
unsigned int sample_size
may contain value calculated from stsd or value from stsz atom
enum AVCodecID ff_mov_get_lpcm_codec_id(int bps, int flags)
Compute codec id for 'lpcm' tag.
int64_t next_root_atom
offset of the next root atom
unsigned int nb_chapter_tracks
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
int pseudo_stream_id
-1 means demux all ids
int ffindex
AVStream index.
uint8_t ** extradata
extradata array (and size) for multiple stsd
struct MOVStreamContext::@206 cenc
int found_hdlr_mdta
'hdlr' atom with type 'mdta' has been found