Libav
Data Fields
AVStream Struct Reference

Stream structure. More...

#include <avformat.h>

Data Fields

int index
 stream index in AVFormatContext More...
 
int id
 Format-specific stream ID. More...
 
AVCodecContextcodec
 Codec context associated with this stream. More...
 
voidpriv_data
 
AVRational time_base
 This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented. More...
 
int64_t start_time
 Decoding: pts of the first frame of the stream, in stream time base. More...
 
int64_t duration
 Decoding: duration of the stream, in stream time base. More...
 
int64_t nb_frames
 number of frames in this stream if known or 0 More...
 
int disposition
 AV_DISPOSITION_* bit field. More...
 
enum AVDiscard discard
 Selects which packets can be discarded at will and do not need to be demuxed. More...
 
AVRational sample_aspect_ratio
 sample aspect ratio (0 if unknown) More...
 
AVDictionarymetadata
 
AVRational avg_frame_rate
 Average framerate. More...
 
AVPacket attached_pic
 For streams with AV_DISPOSITION_ATTACHED_PIC disposition, this packet will contain the attached picture. More...
 
AVPacketSideDataside_data
 An array of side data that applies to the whole stream (i.e. More...
 
int nb_side_data
 The number of elements in the AVStream.side_data array. More...
 
int event_flags
 Flags for the user to detect events happening on the stream. More...
 
struct {
   int   nb_decoded_frames
 
   int   found_decoder
 
   int64_t   fps_first_dts
 Those are used for average framerate estimation. More...
 
   int   fps_first_dts_idx
 
   int64_t   fps_last_dts
 
   int   fps_last_dts_idx
 
info
 
int pts_wrap_bits
 number of bits in pts (used for wrapping control) More...
 
int64_t first_dts
 
int64_t cur_dts
 
int64_t last_IP_pts
 
int last_IP_duration
 
int probe_packets
 
int codec_info_nb_frames
 Number of frames that have been demuxed during av_find_stream_info() More...
 
enum AVStreamParseType need_parsing
 
struct AVCodecParserContextparser
 
struct AVPacketListlast_in_packet_buffer
 last packet in packet_buffer for this stream when muxing. More...
 
AVProbeData probe_data
 
int64_t pts_buffer [MAX_REORDER_DELAY+1]
 
AVIndexEntryindex_entries
 Only used if the format does not support seeking natively. More...
 
int nb_index_entries
 
unsigned int index_entries_allocated_size
 
struct {
   int   nb_decoded_frames
 
   int   found_decoder
 
   int64_t   fps_first_dts
 Those are used for average framerate estimation. More...
 
   int   fps_first_dts_idx
 
   int64_t   fps_last_dts
 
   int   fps_last_dts_idx
 
info
 

Detailed Description

Stream structure.

New fields can be added to the end with minor version bumps. Removal, reordering and changes to existing fields require a major version bump. sizeof(AVStream) must not be used outside libav*.

Definition at line 699 of file avformat.h.

Field Documentation

int AVStream::index

stream index in AVFormatContext

Definition at line 700 of file avformat.h.

Referenced by aac_parse_packet(), amr_handle_packet(), ape_tag_read_field(), asf_read_picture(), avformat_find_stream_info(), avformat_new_stream(), avpriv_dv_produce_packet(), avpriv_set_pts_info(), avs_read_audio_packet(), avs_read_video_packet(), cdxl_read_packet(), check_output_constraints(), check_stream_specifier(), cin_read_header(), compute_pkt_fields2(), configure_input_audio_filter(), configure_input_video_filter(), dc1394_read_common(), decode_audio(), decode_video(), do_video_out(), dump_attachment(), dv_extract_audio_info(), ea_read_header(), encode_audio_frame(), ff_flac_parse_picture(), ff_h263_handle_packet(), ff_id3v2_parse_apic(), ff_id3v2_write_apic(), ff_rm_parse_packet(), ff_rm_retrieve_cache(), ff_rtsp_open_transport_ctx(), film_read_header(), flic_read_header(), flv_data_packet(), flv_read_packet(), get_format(), get_ost_filters(), get_subtitle_pkt(), guess_input_channel_layout(), gxf_write_header(), gxf_write_media_preamble(), h263_handle_packet(), h264_handle_packet(), idcin_read_header(), init_input_filter(), init_input_stream(), ipmovie_read_header(), jpeg_parse_packet(), latm_parse_packet(), matroska_parse_frame(), matroska_parse_rm_audio(), mov_build_index(), mov_read_covr(), mov_read_trak(), mov_read_trun(), mov_seek_stream(), mov_write_tkhd_tag(), mpeg_parse_packet(), mpegps_read_packet(), mpegts_set_stream_info(), mxf_parse_structural_metadata(), mxf_write_generic_desc(), mxf_write_header(), mxf_write_packet(), mxf_write_sequence(), mxf_write_structural_component(), mxf_write_timecode_component(), mxf_write_track(), new_pes_packet(), nsv_read_chunk(), nuv_header(), open_input_file(), parse_packet(), parse_strk(), parse_vtrk(), pmt_cb(), probe_codec(), process_input(), qdm2_restore_block(), qt_rtp_parse_packet(), rdt_load_mdpr(), rdt_parse_packet(), rdt_parse_sdp_line(), read_frame(), read_frame_internal(), return_stored_frame(), roq_read_packet(), rtp_parse_packet_internal(), seq_read_header(), show_stream(), smacker_read_header(), smjpeg_read_header(), smush_read_header(), store_packet(), str_read_packet(), svq3_parse_packet(), thp_read_header(), transcode_init(), vdpau_alloc(), vid_read_packet(), vmd_read_header(), vp8_handle_packet(), wc3_read_header(), write_frame(), write_video_frame(), wsaud_read_packet(), wsvqa_read_header(), wsvqa_read_packet(), xa_read_packet(), xiph_handle_packet(), and xmv_read_header().

int AVStream::id
AVCodecContext * AVStream::codec

Codec context associated with this stream.

Allocated and freed by libavformat.

  • decoding: The demuxer exports codec information stored in the headers here.
  • encoding: The user sets codec information, the muxer writes it to the output. Mandatory fields as specified in AVCodecContext documentation must be set even if this AVCodecContext is not actually used for encoding.

Definition at line 718 of file avformat.h.

Referenced by a64_write_header(), add_audio_stream(), add_dstream(), add_input_streams(), add_video_stream(), adts_aac_read_header(), adts_write_header(), adx_read_header(), adx_read_packet(), aea_read_header(), aea_read_packet(), aiff_read_header(), aiff_read_packet(), aiff_write_header(), aiff_write_trailer(), alloc_picture(), amf_parse_object(), amr_handle_packet(), amr_read_header(), amr_read_packet(), apc_read_header(), ape_read_header(), ape_tag_read_field(), asf_parse_packet(), asf_read_header(), asf_read_picture(), asf_read_stream_properties(), asf_write_header1(), asf_write_packet(), asfrtp_parse_sdp_line(), audio_decode_frame(), audio_read_header(), audio_read_packet(), audio_write_header(), av_find_best_stream(), av_find_default_stream_index(), avformat_find_stream_info(), avformat_free_context(), avformat_new_stream(), avi_read_header(), avi_read_packet(), avi_sync(), avi_write_counters(), avi_write_header(), avi_write_idx1(), avi_write_ix(), avi_write_packet(), avi_write_trailer(), avisynth_create_stream_audio(), avisynth_create_stream_video(), avisynth_read_packet(), avisynth_read_seek(), avpriv_dv_init_demux(), avpriv_dv_produce_packet(), avs_read_packet(), bfi_read_header(), bmv_read_header(), build_frame_code(), cdata_read_header(), cdxl_read_packet(), celt_header(), check_packet(), check_stream_max_drift(), check_stream_specifier(), choose_decoder(), choose_encoder(), cin_read_header(), close_input_file(), close_stream(), compute_pkt_fields(), compute_pkt_fields2(), create_audio_stream(), create_stream(), daud_header(), daud_write_header(), dc1394_read_common(), decode_stream_header(), decode_thread(), dfa_read_header(), dirac_header(), do_streamcopy(), dump_attachment(), dump_stream_format(), dv_assemble_frame(), dv_extract_audio_info(), dv_extract_video_info(), dv_frame_offset(), dv_init_mux(), dxa_read_header(), ea_read_header(), enable_tracks(), encode_audio_frame(), estimate_timings_from_bit_rate(), estimate_timings_from_pts(), fbdev_read_header(), ff_alsa_open(), ff_audio_interleave_close(), ff_audio_interleave_init(), ff_audio_rechunk_interleave(), ff_compute_frame_duration(), ff_flac_parse_picture(), ff_generate_avci_extradata(), ff_get_bmp_header(), ff_id3v2_parse_apic(), ff_id3v2_write_apic(), ff_mov_read_chan(), ff_mov_read_stsd_entries(), ff_mp4_read_dec_config_descr(), ff_parse_mpeg2_descriptor(), ff_parse_specific_params(), ff_pcm_read_seek(), ff_raw_audio_read_header(), ff_raw_video_read_header(), ff_read_packet(), ff_rm_parse_packet(), ff_rm_read_mdpr_codecdata(), ff_rm_retrieve_cache(), ff_rtp_chain_mux_open(), ff_rtp_parse_open(), ff_rtp_send_aac(), ff_rtp_send_jpeg(), ff_rtp_send_latm(), ff_sauce_read(), ff_voc_get_packet(), film_read_header(), filter_codec_opts(), flac_header(), flac_read_header(), flac_write_header(), flac_write_trailer(), flic_read_header(), flv_data_packet(), flv_get_extradata(), flv_read_metabody(), flv_read_packet(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), flv_write_trailer(), g722_read_header(), g723_1_init(), get_aiff_header(), get_attachment(), get_audio_frame(), get_codec_data(), get_ost_filters(), get_packet_header(), get_private_data(), get_sindex(), get_video_frame(), gif_write_header(), gif_write_packet(), grab_read_header(), gsm_read_header(), gxf_compare_field_nb(), gxf_find_lines_index(), gxf_interleave_packet(), gxf_packet(), gxf_write_header(), gxf_write_media_preamble(), gxf_write_mpeg_auxiliary(), gxf_write_packet(), gxf_write_umf_media_description(), gxf_write_umf_media_mpeg(), handle_file(), has_codec_parameters(), has_decode_delay_been_guessed(), hds_write_header(), hds_write_packet(), hls_mux_init(), hls_read_header(), hls_write_header(), hls_write_packet(), hnm_read_header(), idcin_read_header(), iff_read_header(), ilbc_parse_fmtp(), ilbc_parse_sdp_line(), ilbc_read_header(), ilbc_read_packet(), ilbc_write_header(), img_read_header(), img_read_packet(), init_input_filter(), init_muxer(), ipmovie_read_header(), ism_write_header(), ism_write_packet(), iss_read_header(), iss_read_packet(), ivf_write_header(), latm_write_frame_header(), latm_write_header(), lmlm4_read_header(), lxf_read_header(), m4sl_cb(), main(), matroska_parse_block(), matroska_parse_flac(), matroska_parse_frame(), matroska_parse_rm_audio(), matroska_parse_tracks(), matroska_parse_wavpack(), matroska_read_header(), mkv_write_attachments(), mkv_write_block(), mkv_write_packet(), mkv_write_packet_internal(), mkv_write_track(), mmf_read_header(), mov_build_index(), mov_codec_id(), mov_create_dvd_sub_decoder_specific_info(), mov_finalize_stsd_codec(), mov_parse_stsd_audio(), mov_parse_stsd_data(), mov_parse_stsd_subtitle(), mov_parse_stsd_video(), mov_read_covr(), mov_read_dac3(), mov_read_dec3(), mov_read_dvc1(), mov_read_enda(), mov_read_extradata(), mov_read_fiel(), mov_read_glbl(), mov_read_hdlr(), mov_read_header(), mov_read_smi(), mov_read_strf(), mov_read_trak(), mov_read_trun(), mov_read_wave(), mov_read_wfex(), mov_rewrite_dvd_sub_extradata(), mov_write_ftyp_tag(), mov_write_header(), mov_write_tkhd_tag(), mov_write_uuidprof_tag(), movie_init(), mp3_parse_vbr_tags(), mp3_read_header(), mp3_write_xing(), mpc8_read_header(), mpc_read_header(), mpeg_mux_init(), mpeg_mux_write_packet(), mpeg_parse_packet(), mpegps_read_packet(), mpegts_find_stream_type(), mpegts_push_data(), mpegts_read_header(), mpegts_set_stream_info(), mpegts_write_header(), mpegts_write_packet_internal(), mpegts_write_pes(), mpegts_write_pmt(), msnwc_tcp_read_header(), mtv_read_header(), mv_read_header(), mxf_get_d10_aes3_packet(), mxf_handle_small_eubc(), mxf_parse_mpeg2_frame(), mxf_parse_structural_metadata(), mxf_read_packet(), mxf_read_packet_old(), mxf_read_seek(), mxf_write_cdci_common(), mxf_write_common_fields(), mxf_write_d10_audio_packet(), mxf_write_d10_video_packet(), mxf_write_generic_sound_common(), mxf_write_header(), mxf_write_mpegvideo_desc(), mxf_write_packet(), mxf_write_wav_common(), mxg_read_header(), nc_read_header(), new_output_stream(), new_stream(), nsv_parse_NSVs_header(), nsv_read_chunk(), nuv_header(), ogg_buffer_data(), ogg_read_seek(), ogg_write_header(), ogg_write_packet_internal(), ogg_write_trailer(), ogm_dshow_header(), ogm_header(), old_dirac_header(), old_flac_header(), oma_read_header(), oma_read_packet(), oma_write_header(), open_audio(), open_input_file(), open_output_file(), open_video(), opt_target(), opus_header(), output_packet(), output_picture2(), parse_audio_var(), parse_fmtp(), parse_fmtp_config(), parse_h264_sdp_line(), parse_media_type(), parse_mpeg1waveformatex(), parse_packet(), parse_strk(), parse_video_var(), parse_vtrk(), pcm_read_header(), pcm_read_packet(), pmp_header(), pmt_cb(), probe_codec(), pulse_read_header(), put_frame(), pva_read_header(), qcp_read_header(), qdm2_parse_config(), qdm2_parse_packet(), qt_rtp_parse_packet(), queue_picture(), r3d_read_red1(), r3d_read_reda(), rawvideo_read_header(), rawvideo_read_packet(), rdt_parse_packet(), read_desc_chunk(), read_frame(), read_frame_internal(), read_gab2_sub(), read_header(), read_index(), read_kuki_chunk(), read_packet(), read_seek(), real_parse_asm_rule(), rl2_read_header(), rm_ac3_swap_bytes(), rm_read_audio_stream_info(), rm_read_dts(), rm_read_header(), rm_write_header(), rm_write_packet(), roq_read_packet(), rpl_read_header(), rpl_read_packet(), rso_read_header(), rso_read_packet(), rso_write_header(), rtp_parse_one_packet(), rtp_parse_packet_internal(), rtp_parse_queued_packet(), rtp_send_ilbc(), rtp_write_header(), rtp_write_packet(), sap_fetch_packet(), sap_read_header(), sdp_parse_fmtp_config_h264(), seg_write_header(), seg_write_packet(), segment_mux_init(), seq_read_header(), set_channels(), set_codec_from_probe_data(), setup_find_stream_info_opts(), show_packet(), show_stream(), siff_parse_vbv1(), skeleton_header(), smacker_read_header(), smjpeg_read_header(), smjpeg_write_header(), smjpeg_write_packet(), smush_read_header(), sol_read_header(), sox_read_header(), sox_read_packet(), sox_write_header(), sox_write_trailer(), spdif_read_packet(), spdif_write_header(), speex_header(), srt_read_header(), str_read_packet(), stream_component_close(), stream_component_open(), stream_cycle_channel(), subtitle_thread(), svq3_parse_packet(), swf_read_packet(), swf_write_header(), swf_write_packet(), swf_write_trailer(), tak_read_header(), theora_header(), thp_read_header(), tmv_read_header(), transcode_init(), try_decode_frame(), tta_read_header(), txd_read_header(), update_initial_durations(), v4l2_read_header(), v4l2_read_packet(), validate_codec_tag(), vc1t_read_header(), vc1test_write_header(), vfw_read_header(), vid_read_packet(), video_image_display(), video_open(), video_thread(), vmd_read_header(), voc_read_header(), voc_write_header(), voc_write_packet(), vorbis_header(), vqf_read_header(), vqf_read_seek(), wav_write_header(), wav_write_trailer(), wc3_read_header(), write_header(), write_manifest(), write_packet(), write_streamheader(), write_trailer(), write_video_frame(), wsaud_read_header(), wsaud_read_packet(), wsvqa_read_header(), wsvqa_read_packet(), wv_read_header(), wv_write_header(), x11grab_read_header(), xa_read_header(), xa_read_packet(), xiph_parse_fmtp_pair(), xmv_process_packet_header(), xmv_read_header(), xwma_read_header(), xwma_read_packet(), yop_read_header(), yuv4_generate_header(), yuv4_read_header(), yuv4_read_packet(), yuv4_write_header(), and yuv4_write_packet().

void * AVStream::priv_data

Definition at line 719 of file avformat.h.

Referenced by asf_parse_packet(), asf_read_pts(), asf_read_stream_properties(), asf_reset_header(), av_write_trailer(), avformat_free_context(), avi_read_close(), avi_read_header(), avi_read_idx1(), avi_read_packet(), avi_read_seek(), avi_start_new_riff(), avi_sync(), avi_write_counters(), avi_write_header(), avi_write_idx1(), avi_write_ix(), avi_write_packet(), avi_write_trailer(), check_stream_max_drift(), clean_index(), ff_audio_interleave_close(), ff_audio_interleave_init(), ff_audio_rechunk_interleave(), ff_mov_read_stsd_entries(), flush_packet(), flv_write_header(), flv_write_packet(), flv_write_trailer(), get_subtitle_pkt(), get_system_header_size(), gxf_compare_field_nb(), gxf_find_lines_index(), gxf_write_header(), gxf_write_media_preamble(), gxf_write_mpeg_auxiliary(), gxf_write_track_description_section(), gxf_write_umf_media_description(), gxf_write_umf_media_mpeg(), gxf_write_umf_track_description(), interleave_new_audio_packet(), mov_build_index(), mov_find_next_sample(), mov_read_chapters(), mov_read_close(), mov_read_covr(), mov_read_ctts(), mov_read_dref(), mov_read_elst(), mov_read_header(), mov_read_mdhd(), mov_read_packet(), mov_read_sbgp(), mov_read_stco(), mov_read_stps(), mov_read_stsc(), mov_read_stss(), mov_read_stsz(), mov_read_stts(), mov_read_tkhd(), mov_read_trak(), mov_read_trun(), mov_seek_stream(), mpeg_mux_end(), mpeg_mux_init(), mpeg_mux_write_packet(), mpegts_get_pcr(), mpegts_insert_pcr_only(), mpegts_set_stream_info(), mpegts_write_end(), mpegts_write_flush(), mpegts_write_header(), mpegts_write_packet_internal(), mpegts_write_pes(), mpegts_write_pmt(), mxf_compare_timestamps(), mxf_compute_sample_count(), mxf_free(), mxf_get_stream_index(), mxf_parse_mpeg2_frame(), mxf_parse_structural_metadata(), mxf_read_close(), mxf_read_packet_old(), mxf_read_seek(), mxf_set_audio_pts(), mxf_write_cdci_common(), mxf_write_essence_container_refs(), mxf_write_footer(), mxf_write_generic_desc(), mxf_write_header(), mxf_write_index_table_segment(), mxf_write_multi_descriptor(), mxf_write_package(), mxf_write_packet(), mxf_write_system_item(), mxf_write_track(), new_stream(), nsv_parse_NSVs_header(), nsv_read_chunk(), nsv_read_seek(), ogg_buffer_data(), ogg_compare_granule(), ogg_write_header(), ogg_write_packet(), ogg_write_packet_internal(), ogg_write_page(), ogg_write_pages(), ogg_write_trailer(), output_packet(), parse_chunks(), put_system_header(), qt_rtp_parse_packet(), read_braindead_odml_indx(), read_gab2_sub(), remove_decoded_packets(), rm_read_close(), rm_read_header(), rm_read_header_old(), rm_read_packet(), sap_write_close(), sap_write_header(), sap_write_packet(), and seek_subtitle().

AVRational AVStream::time_base

This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented.

decoding: set by libavformat encoding: May be set by the caller before avformat_write_header() to provide a hint to the muxer about the desired timebase. In avformat_write_header(), the muxer will overwrite this field with the timebase that will actually be used for the timestamps written into the file (which may or may not be related to the user-provided one, depending on the format).

Definition at line 741 of file avformat.h.

Referenced by add_audio_stream(), add_video_stream(), audio_decode_frame(), av_pkt_dump2(), av_pkt_dump_log2(), avformat_find_stream_info(), avi_read_packet(), avi_read_seek(), avi_write_header(), avisynth_create_stream_audio(), avisynth_create_stream_video(), avpriv_set_pts_info(), check_stream_max_drift(), compute_pkt_fields(), compute_pkt_fields2(), config_output_props(), configure_input_video_filter(), decode_audio(), decode_thread(), do_audio_out(), do_streamcopy(), do_subtitle_out(), do_video_out(), dump_stream_format(), dv_extract_video_info(), encode_audio_frame(), estimate_timings_from_bit_rate(), ff_compute_frame_duration(), ff_framehash_write_header(), ff_gen_syncpoint_search(), ff_interleave_packet_per_dts(), ff_mov_init_hinting(), ff_parse_specific_params(), ff_pcm_read_seek(), ff_rtsp_open_transport_ctx(), ff_update_cur_dts(), ff_write_chained(), fill_all_stream_timings(), finalize_packet(), flac_read_header(), flush_encoders(), get_subtitle_pkt(), handle_file(), hds_write_header(), hds_write_packet(), hls_read_header(), hls_read_packet(), hls_read_seek(), hls_write_packet(), init_muxer(), interleave_compare_dts(), interleave_new_audio_packet(), ism_write_header(), ism_write_packet(), ivf_write_header(), matroska_parse_tracks(), mkv_write_track(), mov_get_dv_codec_tag(), mov_read_chapters(), mov_read_seek(), mov_write_header(), mov_write_packet(), mov_write_uuidprof_tag(), movie_get_frame(), mp3_parse_info_tag(), mp3_parse_vbr_tags(), mpegts_write_header(), mxf_compute_sample_count(), mxf_parse_structural_metadata(), mxf_read_seek(), mxf_write_header(), ogg_buffer_data(), ogg_compare_granule(), ogg_write_packet_internal(), parse_packet(), print_report(), process_input(), process_input_packet(), r3d_read_rdvo(), r3d_read_red1(), r3d_read_reda(), r3d_read_redv(), r3d_seek(), read_gab2_sub(), read_header(), read_seek(), read_seek2(), rl2_read_seek(), rm_write_header(), rtcp_send_sr(), rtp_parse_one_packet(), rtsp_read_play(), rtsp_read_seek(), sap_fetch_packet(), sap_read_header(), sap_write_header(), search_hi_lo_keyframes(), seek_frame_internal(), seek_subtitle(), seg_write_packet(), show_packet(), show_stream(), smush_read_header(), subtitle_thread(), swf_write_header(), transcode_init(), txd_read_header(), update_stream_timings(), vc1t_read_packet(), video_thread(), vqf_read_seek(), wav_write_trailer(), write_manifest(), write_packet(), write_trailer(), write_video_frame(), yuv4_generate_header(), and yuv4_read_header().

int64_t AVStream::start_time
int64_t AVStream::duration
int64_t AVStream::nb_frames
int AVStream::disposition
enum AVDiscard AVStream::discard
AVRational AVStream::sample_aspect_ratio
AVDictionary * AVStream::metadata
AVRational AVStream::avg_frame_rate
AVPacket AVStream::attached_pic

For streams with AV_DISPOSITION_ATTACHED_PIC disposition, this packet will contain the attached picture.

decoding: set by libavformat, must not be modified by the caller. encoding: unused

Definition at line 789 of file avformat.h.

Referenced by ape_tag_read_field(), asf_read_picture(), avformat_free_context(), ff_flac_parse_picture(), ff_id3v2_parse_apic(), mov_read_covr(), and queue_attached_pictures().

AVPacketSideData * AVStream::side_data

An array of side data that applies to the whole stream (i.e.

the container does not allow it to change between packets).

There may be no overlap between the side data in this array and side data in the packets. I.e. a given side data is either exported by the muxer (demuxing) / set by the caller (muxing) in this array, then it never appears in the packets, or the side data is exported / sent through the packets (always in the first packet where the value becomes known or changes), then it does not appear in this array.

  • demuxing: Set by libavformat when the stream is created.
  • muxing: May be set by the caller before avformat_write_header().

Freed by libavformat in avformat_free_context().

Definition at line 807 of file avformat.h.

Referenced by av_stream_get_side_data(), avformat_free_context(), dump_sidedata(), ff_mkv_stereo3d_conv(), ff_replaygain_export_raw(), mkv_write_stereo_mode(), mov_read_header(), and process_input().

int AVStream::nb_side_data
int AVStream::event_flags

Flags for the user to detect events happening on the stream.

Flags must be cleared by the user once the event has been handled. A combination of AVSTREAM_EVENT_FLAG_*.

Definition at line 818 of file avformat.h.

Referenced by decode_info_header(), and ff_vorbis_stream_comment().

int AVStream::nb_decoded_frames

Definition at line 834 of file avformat.h.

Referenced by has_decode_delay_been_guessed(), and try_decode_frame().

int AVStream::found_decoder

Definition at line 835 of file avformat.h.

Referenced by avformat_find_stream_info(), has_codec_parameters(), and try_decode_frame().

int64_t AVStream::fps_first_dts

Those are used for average framerate estimation.

Definition at line 840 of file avformat.h.

Referenced by avformat_find_stream_info(), and avformat_new_stream().

int AVStream::fps_first_dts_idx

Definition at line 841 of file avformat.h.

Referenced by avformat_find_stream_info().

int64_t AVStream::fps_last_dts

Definition at line 842 of file avformat.h.

Referenced by avformat_find_stream_info(), and avformat_new_stream().

int AVStream::fps_last_dts_idx

Definition at line 843 of file avformat.h.

Referenced by avformat_find_stream_info().

struct { ... } * AVStream::info
int AVStream::pts_wrap_bits

number of bits in pts (used for wrapping control)

Definition at line 847 of file avformat.h.

Referenced by av_read_frame(), avpriv_set_pts_info(), compute_pkt_fields(), estimate_timings_from_pts(), and hls_read_header().

int64_t AVStream::first_dts
int64_t AVStream::cur_dts
int64_t AVStream::last_IP_pts
int AVStream::last_IP_duration

Definition at line 853 of file avformat.h.

Referenced by compute_pkt_fields().

int AVStream::probe_packets
int AVStream::codec_info_nb_frames

Number of frames that have been demuxed during av_find_stream_info()

Definition at line 864 of file avformat.h.

Referenced by av_find_best_stream(), avformat_find_stream_info(), dump_stream_format(), and try_decode_frame().

enum AVStreamParseType AVStream::need_parsing
struct AVCodecParserContext * AVStream::parser
struct AVPacketList * AVStream::last_in_packet_buffer

last packet in packet_buffer for this stream when muxing.

Definition at line 873 of file avformat.h.

Referenced by ff_interleave_add_packet(), ff_interleave_packet_per_dts(), and mxf_interleave_get_packet().

AVProbeData AVStream::probe_data

Definition at line 874 of file avformat.h.

Referenced by avformat_free_context(), ff_read_packet(), and probe_codec().

int64_t AVStream::pts_buffer
AVIndexEntry * AVStream::index_entries
int AVStream::nb_index_entries
unsigned int AVStream::index_entries_allocated_size

Definition at line 881 of file avformat.h.

Referenced by av_add_index_entry(), and mov_build_index().

struct { ... } * AVStream::info

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