FFmpeg: MOVStreamContext Struct Reference

FFmpeg

#include <isom.h>

Data Fields
AVIOContext *	pb

int	pb_is_copied

int	ffindex
	AVStream index. More...

int	next_chunk

unsigned int	chunk_count

int64_t *	chunk_offsets

unsigned int	stts_count

MOVStts *	stts_data

unsigned int	sdtp_count

uint8_t *	sdtp_data

unsigned int	ctts_count

unsigned int	ctts_allocated_size

MOVCtts *	ctts_data

unsigned int	stsc_count

MOVStsc *	stsc_data

unsigned int	stsc_index

int	stsc_sample

unsigned int	stps_count

unsigned *	stps_data
	partial sync sample for mpeg-2 open gop More...

MOVElst *	elst_data

unsigned int	elst_count

int	ctts_index

int	ctts_sample

unsigned int	sample_size
	may contain value calculated from stsd or value from stsz atom More...

unsigned int	stsz_sample_size
	always contains sample size from stsz atom More...

unsigned int	sample_count

int *	sample_sizes

int	keyframe_absent

unsigned int	keyframe_count

int *	keyframes

int	time_scale

int64_t	time_offset
	time offset of the edit list entries More...

int64_t	min_corrected_pts
	minimum Composition time shown by the edits excluding empty edits. More...

int	current_sample

int64_t	current_index

MOVIndexRange *	index_ranges

MOVIndexRange *	current_index_range

unsigned int	bytes_per_frame

unsigned int	samples_per_frame

int	dv_audio_container

int	pseudo_stream_id
	-1 means demux all ids More...

int16_t	audio_cid
	stsd audio compression id More...

unsigned	drefs_count

MOVDref *	drefs

int	dref_id

int	timecode_track

int	width
	tkhd width More...

int	height
	tkhd height More...

int	dts_shift
	dts shift when ctts is negative More...

uint32_t	palette [256]

int	has_palette

int64_t	data_size

uint32_t	tmcd_flags
	tmcd track flags More...

uint8_t	tmcd_nb_frames
	tmcd number of frames per tick / second More...

int64_t	track_end
	used for dts generation in fragmented movie files More...

int	start_pad
	amount of samples to skip due to enc-dec delay More...

unsigned int	rap_group_count

MOVSbgp *	rap_group

unsigned int	sync_group_count

MOVSbgp *	sync_group

uint8_t *	sgpd_sync

uint32_t	sgpd_sync_count

int32_t *	sample_offsets

int	sample_offsets_count

int *	open_key_samples

int	open_key_samples_count

uint32_t	min_sample_duration

int	nb_frames_for_fps

int64_t	duration_for_fps

uint8_t **	extradata
	extradata array (and size) for multiple stsd More...

int *	extradata_size

int	last_stsd_index

int	stsd_count

int	stsd_version

int32_t *	display_matrix

AVStereo3D *	stereo3d

AVSphericalMapping *	spherical

size_t	spherical_size

AVMasteringDisplayMetadata *	mastering

AVContentLightMetadata *	coll

size_t	coll_size

uint32_t	format

int	has_sidx

struct {
struct AVAESCTR * aes_ctr

struct AVAES * aes_ctx

unsigned int per_sample_iv_size

AVEncryptionInfo * default_encrypted_sample

MOVEncryptionIndex * encryption_index

}	cenc

Detailed Description

Definition at line 166 of file isom.h.

Field Documentation

◆ pb

AVIOContext* MOVStreamContext::pb

Definition at line 167 of file isom.h.

Referenced by avif_add_stream(), mov_find_next_sample(), mov_read_chapters(), mov_read_close(), mov_read_packet(), mov_read_rtmd_track(), mov_read_timecode_track(), and mov_read_trak().

◆ pb_is_copied

int MOVStreamContext::pb_is_copied

Definition at line 168 of file isom.h.

Referenced by avif_add_stream(), mov_read_close(), and mov_read_trak().

◆ ffindex

int MOVStreamContext::ffindex

AVStream index.

Definition at line 169 of file isom.h.

Referenced by avif_add_stream(), fix_timescale(), mov_read_packet(), mov_read_seek(), and mov_read_trak().

◆ next_chunk

int MOVStreamContext::next_chunk

Definition at line 170 of file isom.h.

◆ chunk_count

unsigned int MOVStreamContext::chunk_count

Definition at line 171 of file isom.h.

Referenced by avif_add_stream(), mov_build_index(), mov_get_stsc_samples(), mov_read_stco(), mov_read_trak(), and mov_seek_stream().

◆ chunk_offsets

int64_t* MOVStreamContext::chunk_offsets

Definition at line 172 of file isom.h.

Referenced by avif_add_stream(), mov_build_index(), mov_read_close(), mov_read_stco(), and mov_read_trak().

◆ stts_count

unsigned int MOVStreamContext::stts_count

Definition at line 173 of file isom.h.

Referenced by avif_add_stream(), build_open_gop_key_points(), mov_build_index(), mov_read_stts(), and mov_read_trak().

◆ stts_data

MOVStts* MOVStreamContext::stts_data

Definition at line 174 of file isom.h.

Referenced by avif_add_stream(), build_open_gop_key_points(), mov_build_index(), mov_read_close(), mov_read_stts(), and mov_read_trak().

◆ sdtp_count

unsigned int MOVStreamContext::sdtp_count

Definition at line 175 of file isom.h.

Referenced by mov_read_packet(), and mov_read_sdtp().

◆ sdtp_data

uint8_t* MOVStreamContext::sdtp_data

Definition at line 176 of file isom.h.

Referenced by mov_read_close(), mov_read_packet(), and mov_read_sdtp().

◆ ctts_count

unsigned int MOVStreamContext::ctts_count

Definition at line 177 of file isom.h.

Referenced by build_open_gop_key_points(), mov_build_index(), mov_estimate_video_delay(), mov_fix_index(), mov_read_ctts(), mov_read_packet(), mov_read_trun(), and mov_seek_stream().

◆ ctts_allocated_size

unsigned int MOVStreamContext::ctts_allocated_size

Definition at line 178 of file isom.h.

Referenced by mov_build_index(), mov_fix_index(), mov_read_ctts(), and mov_read_trun().

◆ ctts_data

MOVCtts* MOVStreamContext::ctts_data

Definition at line 179 of file isom.h.

Referenced by build_open_gop_key_points(), mov_build_index(), mov_estimate_video_delay(), mov_fix_index(), mov_read_close(), mov_read_ctts(), mov_read_packet(), mov_read_trun(), and mov_seek_stream().

◆ stsc_count

unsigned int MOVStreamContext::stsc_count

Definition at line 180 of file isom.h.

Referenced by avif_add_stream(), mov_build_index(), mov_get_stsc_samples(), mov_read_packet(), mov_read_stsc(), mov_read_trak(), and mov_seek_stream().

◆ stsc_data

MOVStsc* MOVStreamContext::stsc_data

Definition at line 181 of file isom.h.

Referenced by avif_add_stream(), mov_build_index(), mov_change_extradata(), mov_get_stsc_samples(), mov_read_close(), mov_read_packet(), mov_read_stsc(), and mov_read_trak().

◆ stsc_index

unsigned int MOVStreamContext::stsc_index

Definition at line 182 of file isom.h.

Referenced by mov_change_extradata(), mov_read_packet(), and mov_seek_stream().

◆ stsc_sample

int MOVStreamContext::stsc_sample

Definition at line 183 of file isom.h.

Referenced by mov_read_packet(), and mov_seek_stream().

◆ stps_count

unsigned int MOVStreamContext::stps_count

Definition at line 184 of file isom.h.

Referenced by mov_build_index(), and mov_read_stps().

◆ stps_data

unsigned* MOVStreamContext::stps_data

partial sync sample for mpeg-2 open gop

Definition at line 185 of file isom.h.

Referenced by mov_build_index(), mov_read_close(), mov_read_stps(), and mov_read_trak().

◆ elst_data

MOVElst* MOVStreamContext::elst_data

Definition at line 186 of file isom.h.

Referenced by get_edit_list_entry(), mov_build_index(), mov_fix_index(), mov_read_close(), mov_read_elst(), and mov_read_trak().

◆ elst_count

unsigned int MOVStreamContext::elst_count

Definition at line 187 of file isom.h.

Referenced by get_edit_list_entry(), mov_build_index(), mov_fix_index(), and mov_read_elst().

◆ ctts_index

int MOVStreamContext::ctts_index

Definition at line 188 of file isom.h.

Referenced by mov_fix_index(), mov_read_packet(), and mov_seek_stream().

◆ ctts_sample

int MOVStreamContext::ctts_sample

Definition at line 189 of file isom.h.

Referenced by mov_fix_index(), mov_read_packet(), and mov_seek_stream().

◆ sample_size

unsigned int MOVStreamContext::sample_size

may contain value calculated from stsd or value from stsz atom

Definition at line 190 of file isom.h.

Referenced by mov_build_index(), mov_parse_stsd_audio(), mov_read_stsz(), and mov_read_trak().

◆ stsz_sample_size

unsigned int MOVStreamContext::stsz_sample_size

always contains sample size from stsz atom

Definition at line 191 of file isom.h.

Referenced by mov_build_index(), and mov_read_stsz().

◆ sample_count

unsigned int MOVStreamContext::sample_count

Definition at line 192 of file isom.h.

Referenced by avif_add_stream(), mov_build_index(), mov_read_stsz(), and mov_read_trak().

◆ sample_sizes

int* MOVStreamContext::sample_sizes

Definition at line 193 of file isom.h.

Referenced by avif_add_stream(), mov_build_index(), mov_read_close(), mov_read_stsz(), and mov_read_trak().

◆ keyframe_absent

int MOVStreamContext::keyframe_absent

Definition at line 194 of file isom.h.

Referenced by mov_build_index(), and mov_read_stss().

◆ keyframe_count

unsigned int MOVStreamContext::keyframe_count

Definition at line 195 of file isom.h.

Referenced by mov_build_index(), and mov_read_stss().

◆ keyframes

int* MOVStreamContext::keyframes

Definition at line 196 of file isom.h.

Referenced by mov_build_index(), mov_read_close(), mov_read_stss(), and mov_read_trak().

◆ time_scale

int MOVStreamContext::time_scale

Definition at line 197 of file isom.h.

Referenced by avif_add_stream(), fix_timescale(), get_edit_list_entry(), mov_build_index(), mov_finalize_stsd_codec(), mov_find_next_sample(), mov_fix_index(), mov_read_header(), mov_read_mdhd(), mov_read_sidx(), and mov_read_trak().

◆ time_offset

int64_t MOVStreamContext::time_offset

time offset of the edit list entries

Definition at line 198 of file isom.h.

Referenced by mov_build_index(), and mov_read_trun().

◆ min_corrected_pts

int64_t MOVStreamContext::min_corrected_pts

minimum Composition time shown by the edits excluding empty edits.

Definition at line 199 of file isom.h.

Referenced by mov_build_index(), mov_fix_index(), and mov_seek_stream().

◆ current_sample

int MOVStreamContext::current_sample

Definition at line 200 of file isom.h.

Referenced by mov_current_sample_dec(), mov_current_sample_inc(), mov_current_sample_set(), mov_find_next_sample(), mov_read_packet(), mov_read_seek(), mov_read_trun(), and mov_seek_stream().

◆ current_index

int64_t MOVStreamContext::current_index

Definition at line 201 of file isom.h.

Referenced by mov_current_sample_dec(), mov_current_sample_inc(), mov_current_sample_set(), mov_fix_index(), and mov_read_packet().

◆ index_ranges

MOVIndexRange* MOVStreamContext::index_ranges

Definition at line 202 of file isom.h.

Referenced by mov_current_sample_dec(), mov_current_sample_inc(), mov_current_sample_set(), mov_fix_index(), and mov_read_close().

◆ current_index_range

MOVIndexRange* MOVStreamContext::current_index_range

Definition at line 203 of file isom.h.

Referenced by mov_current_sample_dec(), mov_current_sample_inc(), mov_current_sample_set(), and mov_fix_index().

◆ bytes_per_frame

unsigned int MOVStreamContext::bytes_per_frame

Definition at line 204 of file isom.h.

Referenced by mov_build_index(), mov_finalize_stsd_codec(), mov_parse_stsd_audio(), and qt_rtp_parse_packet().

◆ samples_per_frame

unsigned int MOVStreamContext::samples_per_frame

Definition at line 205 of file isom.h.

Referenced by mov_build_index(), mov_finalize_stsd_codec(), and mov_parse_stsd_audio().

◆ dv_audio_container

int MOVStreamContext::dv_audio_container

Definition at line 206 of file isom.h.

Referenced by mov_finalize_stsd_codec(), and mov_read_packet().

◆ pseudo_stream_id

int MOVStreamContext::pseudo_stream_id

-1 means demux all ids

Definition at line 207 of file isom.h.

Referenced by ff_mov_read_stsd_entries(), mov_build_index(), mov_read_schm(), mov_read_tenc(), mov_read_tfdt(), and mov_read_trun().

◆ audio_cid

int16_t MOVStreamContext::audio_cid

stsd audio compression id

Definition at line 208 of file isom.h.

Referenced by mov_parse_stsd_audio().

◆ drefs_count

unsigned MOVStreamContext::drefs_count

Definition at line 209 of file isom.h.

Referenced by mov_read_close(), mov_read_dref(), and mov_read_trak().

◆ drefs

MOVDref* MOVStreamContext::drefs

Definition at line 210 of file isom.h.

Referenced by mov_read_close(), mov_read_dref(), and mov_read_trak().

◆ dref_id

int MOVStreamContext::dref_id

Definition at line 211 of file isom.h.

Referenced by ff_mov_read_stsd_entries(), and mov_read_trak().

◆ timecode_track

int MOVStreamContext::timecode_track

Definition at line 212 of file isom.h.

Referenced by mov_read_header(), mov_read_tmcd(), and tmcd_is_referenced().

◆ width

int MOVStreamContext::width

tkhd width

Definition at line 213 of file isom.h.

Referenced by mov_parse_stsd_subtitle(), mov_read_header(), mov_read_tkhd(), and mov_read_trak().

◆ height

int MOVStreamContext::height

tkhd height

Definition at line 214 of file isom.h.

Referenced by mov_parse_stsd_subtitle(), mov_read_header(), mov_read_tkhd(), and mov_read_trak().

◆ dts_shift

int MOVStreamContext::dts_shift

dts shift when ctts is negative

Definition at line 215 of file isom.h.

Referenced by can_seek_to_key_sample(), find_prev_closest_index(), mov_build_index(), mov_fix_index(), mov_read_ctts(), mov_read_packet(), mov_read_trun(), mov_seek_stream(), and mov_update_dts_shift().

◆ palette

uint32_t MOVStreamContext::palette[256]

Definition at line 216 of file isom.h.

Referenced by mov_parse_stsd_video(), and mov_read_packet().

◆ has_palette

int MOVStreamContext::has_palette

Definition at line 217 of file isom.h.

Referenced by mov_parse_stsd_video(), and mov_read_packet().

◆ data_size

int64_t MOVStreamContext::data_size

Definition at line 218 of file isom.h.

Referenced by mov_read_header(), mov_read_stsz(), and mov_read_trun().

◆ tmcd_flags

uint32_t MOVStreamContext::tmcd_flags

tmcd track flags

Definition at line 219 of file isom.h.

Referenced by mov_parse_stsd_data(), and mov_read_timecode_track().

◆ tmcd_nb_frames

uint8_t MOVStreamContext::tmcd_nb_frames

tmcd number of frames per tick / second

Definition at line 220 of file isom.h.

Referenced by mov_parse_stsd_data(), and mov_read_timecode_track().

◆ track_end

int64_t MOVStreamContext::track_end

used for dts generation in fragmented movie files

Definition at line 221 of file isom.h.

Referenced by mov_read_sidx(), mov_read_stts(), mov_read_tfdt(), and mov_read_trun().

◆ start_pad

int MOVStreamContext::start_pad

amount of samples to skip due to enc-dec delay

Definition at line 222 of file isom.h.

Referenced by mov_build_index(), mov_fix_index(), mov_get_skip_samples(), mov_read_custom(), and mov_read_header().

◆ rap_group_count

unsigned int MOVStreamContext::rap_group_count

Definition at line 223 of file isom.h.

Referenced by mov_build_index(), and mov_read_sbgp().

◆ rap_group

MOVSbgp* MOVStreamContext::rap_group

Definition at line 224 of file isom.h.

Referenced by mov_build_index(), mov_read_close(), mov_read_sbgp(), and mov_read_trak().

◆ sync_group_count

unsigned int MOVStreamContext::sync_group_count

Definition at line 225 of file isom.h.

Referenced by build_open_gop_key_points(), and mov_read_sbgp().

◆ sync_group

MOVSbgp* MOVStreamContext::sync_group

Definition at line 226 of file isom.h.

Referenced by build_open_gop_key_points(), mov_read_close(), mov_read_sbgp(), and mov_read_trak().

◆ sgpd_sync

uint8_t* MOVStreamContext::sgpd_sync

Definition at line 227 of file isom.h.

Referenced by get_sgpd_sync_index(), mov_read_close(), mov_read_sgpd(), and mov_read_trak().

◆ sgpd_sync_count

uint32_t MOVStreamContext::sgpd_sync_count

Definition at line 228 of file isom.h.

Referenced by get_sgpd_sync_index(), and mov_read_sgpd().

◆ sample_offsets

int32_t* MOVStreamContext::sample_offsets

Definition at line 229 of file isom.h.

Referenced by build_open_gop_key_points(), can_seek_to_key_sample(), and mov_read_close().

◆ sample_offsets_count

int MOVStreamContext::sample_offsets_count

Definition at line 230 of file isom.h.

Referenced by build_open_gop_key_points(), and can_seek_to_key_sample().

◆ open_key_samples

int* MOVStreamContext::open_key_samples

Definition at line 231 of file isom.h.

Referenced by build_open_gop_key_points(), is_open_key_sample(), and mov_read_close().

◆ open_key_samples_count

int MOVStreamContext::open_key_samples_count

Definition at line 232 of file isom.h.

Referenced by build_open_gop_key_points(), and is_open_key_sample().

◆ min_sample_duration

uint32_t MOVStreamContext::min_sample_duration

Definition at line 233 of file isom.h.

Referenced by build_open_gop_key_points(), and mov_seek_stream().

◆ nb_frames_for_fps

int MOVStreamContext::nb_frames_for_fps

Definition at line 235 of file isom.h.

Referenced by mov_read_header(), mov_read_stts(), and mov_read_trun().

◆ duration_for_fps

int64_t MOVStreamContext::duration_for_fps

Definition at line 236 of file isom.h.

Referenced by mov_read_header(), mov_read_stts(), and mov_read_trun().

◆ extradata

uint8_t** MOVStreamContext::extradata

extradata array (and size) for multiple stsd

Definition at line 239 of file isom.h.

Referenced by ff_mov_read_stsd_entries(), mov_change_extradata(), mov_read_close(), and mov_read_stsd().

◆ extradata_size

int* MOVStreamContext::extradata_size

Definition at line 240 of file isom.h.

Referenced by ff_mov_read_stsd_entries(), mov_change_extradata(), mov_read_close(), and mov_read_stsd().

◆ last_stsd_index

int MOVStreamContext::last_stsd_index

Definition at line 241 of file isom.h.

Referenced by mov_change_extradata(), and mov_read_packet().

◆ stsd_count

int MOVStreamContext::stsd_count

Definition at line 242 of file isom.h.

Referenced by ff_mov_read_stsd_entries(), mov_read_close(), mov_read_packet(), and mov_read_stsd().

◆ stsd_version

int MOVStreamContext::stsd_version

Definition at line 243 of file isom.h.

Referenced by mov_parse_stsd_audio(), and mov_read_stsd().

◆ display_matrix

int32_t* MOVStreamContext::display_matrix

Definition at line 245 of file isom.h.

Referenced by mov_read_close(), mov_read_header(), and mov_read_tkhd().

◆ stereo3d

AVStereo3D* MOVStreamContext::stereo3d

Definition at line 246 of file isom.h.

Referenced by mov_parse_uuid_spherical(), mov_read_close(), mov_read_header(), and mov_read_st3d().

◆ spherical

AVSphericalMapping* MOVStreamContext::spherical

Definition at line 247 of file isom.h.

Referenced by mov_parse_uuid_spherical(), mov_read_close(), mov_read_header(), mov_read_sv3d(), and mov_read_uuid().

◆ spherical_size

size_t MOVStreamContext::spherical_size

Definition at line 248 of file isom.h.

Referenced by mov_parse_uuid_spherical(), mov_read_header(), and mov_read_sv3d().

◆ mastering

AVMasteringDisplayMetadata* MOVStreamContext::mastering

Definition at line 249 of file isom.h.

Referenced by mov_read_close(), mov_read_header(), mov_read_mdcv(), and mov_read_smdm().

◆ coll

AVContentLightMetadata* MOVStreamContext::coll

Definition at line 250 of file isom.h.

Referenced by mov_read_clli(), mov_read_close(), mov_read_coll(), and mov_read_header().

◆ coll_size

size_t MOVStreamContext::coll_size

Definition at line 251 of file isom.h.

Referenced by mov_read_clli(), mov_read_coll(), and mov_read_header().

◆ format

uint32_t MOVStreamContext::format

Definition at line 253 of file isom.h.

Referenced by ff_mov_read_stsd_entries(), mov_parse_stsd_audio(), and mov_read_frma().

◆ has_sidx

int MOVStreamContext::has_sidx

Definition at line 255 of file isom.h.

Referenced by get_frag_time(), and mov_read_sidx().

◆ aes_ctr

struct AVAESCTR* MOVStreamContext::aes_ctr

Definition at line 257 of file isom.h.

Referenced by cenc_scheme_decrypt(), cens_scheme_decrypt(), and mov_read_close().

◆ aes_ctx

struct AVAES* MOVStreamContext::aes_ctx

Definition at line 258 of file isom.h.

Referenced by cbc1_scheme_decrypt(), and cbcs_scheme_decrypt().

◆ per_sample_iv_size

unsigned int MOVStreamContext::per_sample_iv_size

Definition at line 259 of file isom.h.

Referenced by mov_parse_auxiliary_info(), mov_read_sample_encryption_info(), and mov_read_tenc().

◆ default_encrypted_sample

AVEncryptionInfo* MOVStreamContext::default_encrypted_sample

Definition at line 260 of file isom.h.

Referenced by cenc_filter(), mov_read_close(), mov_read_saio(), mov_read_saiz(), mov_read_sample_encryption_info(), mov_read_schm(), and mov_read_tenc().

◆ encryption_index

MOVEncryptionIndex* MOVStreamContext::encryption_index

Definition at line 261 of file isom.h.

Referenced by cenc_filter(), mov_read_close(), and mov_read_tenc().

◆ cenc

struct { ... } MOVStreamContext::cenc

Referenced by cbc1_scheme_decrypt(), cbcs_scheme_decrypt(), cenc_filter(), cenc_scheme_decrypt(), cens_scheme_decrypt(), mov_parse_auxiliary_info(), mov_read_close(), mov_read_saio(), mov_read_saiz(), mov_read_sample_encryption_info(), mov_read_schm(), and mov_read_tenc().

The documentation for this struct was generated from the following file:

libavformat/isom.h