24 #ifndef AVFORMAT_ISOM_H
25 #define AVFORMAT_ISOM_H
165 #define MP4ODescrTag 0x01
166 #define MP4IODescrTag 0x02
167 #define MP4ESDescrTag 0x03
168 #define MP4DecConfigDescrTag 0x04
169 #define MP4DecSpecificDescrTag 0x05
170 #define MP4SLDescrTag 0x06
172 #define MOV_TFHD_BASE_DATA_OFFSET 0x01
173 #define MOV_TFHD_STSD_ID 0x02
174 #define MOV_TFHD_DEFAULT_DURATION 0x08
175 #define MOV_TFHD_DEFAULT_SIZE 0x10
176 #define MOV_TFHD_DEFAULT_FLAGS 0x20
177 #define MOV_TFHD_DURATION_IS_EMPTY 0x010000
178 #define MOV_TFHD_DEFAULT_BASE_IS_MOOF 0x020000
180 #define MOV_TRUN_DATA_OFFSET 0x01
181 #define MOV_TRUN_FIRST_SAMPLE_FLAGS 0x04
182 #define MOV_TRUN_SAMPLE_DURATION 0x100
183 #define MOV_TRUN_SAMPLE_SIZE 0x200
184 #define MOV_TRUN_SAMPLE_FLAGS 0x400
185 #define MOV_TRUN_SAMPLE_CTS 0x800
187 #define MOV_FRAG_SAMPLE_FLAG_DEGRADATION_PRIORITY_MASK 0x0000ffff
188 #define MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC 0x00010000
189 #define MOV_FRAG_SAMPLE_FLAG_PADDING_MASK 0x000e0000
190 #define MOV_FRAG_SAMPLE_FLAG_REDUNDANCY_MASK 0x00300000
191 #define MOV_FRAG_SAMPLE_FLAG_DEPENDED_MASK 0x00c00000
192 #define MOV_FRAG_SAMPLE_FLAG_DEPENDS_MASK 0x03000000
194 #define MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO 0x02000000
195 #define MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES 0x01000000
197 #define MOV_TKHD_FLAG_ENABLED 0x0001
198 #define MOV_TKHD_FLAG_IN_MOVIE 0x0002
199 #define MOV_TKHD_FLAG_IN_PREVIEW 0x0004
200 #define MOV_TKHD_FLAG_IN_POSTER 0x0008
202 #define TAG_IS_AVCI(tag) \
203 ((tag) == MKTAG('a', 'i', '5', 'p') || \
204 (tag) == MKTAG('a', 'i', '5', 'q') || \
205 (tag) == MKTAG('a', 'i', '5', '2') || \
206 (tag) == MKTAG('a', 'i', '5', '3') || \
207 (tag) == MKTAG('a', 'i', '5', '5') || \
208 (tag) == MKTAG('a', 'i', '5', '6') || \
209 (tag) == MKTAG('a', 'i', '1', 'p') || \
210 (tag) == MKTAG('a', 'i', '1', 'q') || \
211 (tag) == MKTAG('a', 'i', '1', '2') || \
212 (tag) == MKTAG('a', 'i', '1', '3') || \
213 (tag) == MKTAG('a', 'i', '1', '5') || \
214 (tag) == MKTAG('a', 'i', '1', '6') || \
215 (tag) == MKTAG('A', 'V', 'i', 'n'))
int itunes_metadata
metadata are itunes style
const AVCodecTag ff_mp4_obj_type[]
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
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[]
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
const AVCodecTag ff_codec_movsubtitle_tags[]
int64_t time_offset
time offset of the first edit list entry
unsigned int keyframe_count
AVCodecID
Identify the syntax and semantics of the bitstream.
int ff_mov_read_esds(AVFormatContext *fc, AVIOContext *pb, MOVAtom atom)
int64_t duration
duration of the longest track
DVDemuxContext * dv_demux
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
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
unsigned int bytes_per_frame
int wrong_dts
dts are wrong due to huge ctts offset (iMovie files)
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
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
int pseudo_stream_id
-1 means demux all ids
int ffindex
AVStream index.