24 #ifndef AVFORMAT_ISOM_H
25 #define AVFORMAT_ISOM_H
174 #define MP4ODescrTag 0x01
175 #define MP4IODescrTag 0x02
176 #define MP4ESDescrTag 0x03
177 #define MP4DecConfigDescrTag 0x04
178 #define MP4DecSpecificDescrTag 0x05
179 #define MP4SLDescrTag 0x06
181 #define MOV_TFHD_BASE_DATA_OFFSET 0x01
182 #define MOV_TFHD_STSD_ID 0x02
183 #define MOV_TFHD_DEFAULT_DURATION 0x08
184 #define MOV_TFHD_DEFAULT_SIZE 0x10
185 #define MOV_TFHD_DEFAULT_FLAGS 0x20
186 #define MOV_TFHD_DURATION_IS_EMPTY 0x010000
188 #define MOV_TRUN_DATA_OFFSET 0x01
189 #define MOV_TRUN_FIRST_SAMPLE_FLAGS 0x04
190 #define MOV_TRUN_SAMPLE_DURATION 0x100
191 #define MOV_TRUN_SAMPLE_SIZE 0x200
192 #define MOV_TRUN_SAMPLE_FLAGS 0x400
193 #define MOV_TRUN_SAMPLE_CTS 0x800
195 #define MOV_FRAG_SAMPLE_FLAG_DEGRADATION_PRIORITY_MASK 0x0000ffff
196 #define MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC 0x00010000
197 #define MOV_FRAG_SAMPLE_FLAG_PADDING_MASK 0x000e0000
198 #define MOV_FRAG_SAMPLE_FLAG_REDUNDANCY_MASK 0x00300000
199 #define MOV_FRAG_SAMPLE_FLAG_DEPENDED_MASK 0x00c00000
200 #define MOV_FRAG_SAMPLE_FLAG_DEPENDS_MASK 0x03000000
202 #define MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO 0x02000000
203 #define MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES 0x01000000
205 #define MOV_TKHD_FLAG_ENABLED 0x0001
206 #define MOV_TKHD_FLAG_IN_MOVIE 0x0002
207 #define MOV_TKHD_FLAG_IN_PREVIEW 0x0004
208 #define MOV_TKHD_FLAG_IN_POSTER 0x0008
int itunes_metadata
metadata are itunes style
int * bitrates
bitrates read before streams creation
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
uint32_t tmcd_flags
tmcd track flags
unsigned int rap_group_count
void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id)
unsigned int samples_per_frame
uint64_t base_data_offset
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
unsigned int sample_count
const AVCodecTag ff_codec_movvideo_tags[]
int dts_shift
dts shift when ctts is negative
int64_t start_time
start time of the media
int64_t time_offset
time offset of the edit list entries
unsigned int keyframe_count
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
AVCodecID
Identify the syntax and semantics of the bitstream.
int ff_mp4_read_descr_len(AVIOContext *pb)
const AVCodecTag ff_mp4_obj_type[]
const AVCodecTag ff_codec_movsubtitle_tags[]
int64_t empty_duration
empty duration of the first edit list entry
int ff_mov_read_esds(AVFormatContext *fc, AVIOContext *pb, MOVAtom atom)
int64_t duration
duration of the longest track
int ff_mov_lang_to_iso639(unsigned code, char to[4])
DVDemuxContext * dv_demux
const AVCodecTag ff_codec_movaudio_tags[]
unsigned int stsz_sample_size
always contains sample size from stsz atom
Describe the class of an AVClass context structure.
MOVFragment fragment
current fragment in moof atom
int64_t track_end
used for dts generation in fragmented movie files
int ff_mov_read_stsd_entries(MOVContext *c, AVIOContext *pb, int entries)
AVFormatContext * dv_fctx
unsigned * stps_data
partial sync sample for mpeg-2 open gop
int start_pad
amount of samples to skip due to enc-dec delay
void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag)
unsigned int bytes_per_frame
int wrong_dts
dts are wrong due to huge ctts offset (iMovie files)
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
int pseudo_stream_id
-1 means demux all ids
int ffindex
AVStream index.