Timestamp specific

Libav internal timebase and timestamp definitions. More...

Macros

#define AV_NOPTS_VALUE   INT64_C(0x8000000000000000)
 Undefined timestamp value.
#define AV_TIME_BASE   1000000
 Internal time base represented as integer.
#define AV_TIME_BASE_Q   (AVRational){1, AV_TIME_BASE}
 Internal time base represented as fractional value.

Detailed Description

Libav internal timebase and timestamp definitions.

Macro Definition Documentation

#define AV_NOPTS_VALUE   INT64_C(0x8000000000000000)

Undefined timestamp value.

Usually reported by demuxer that work on containers that do not provide either pts or dts.

Examples:
libavformat/output-example.c.

Definition at line 271 of file avutil.h.

Referenced by add_pes_stream(), applehttp_read_header(), applehttp_read_packet(), applehttp_read_seek(), asf_read_frame_header(), asf_read_marker(), asf_read_pts(), asf_write_packet(), audio_decode_frame(), audio_get_buffer(), av_dump_format(), av_init_packet(), av_interleaved_write_frame(), av_read_frame(), avcodec_default_reget_buffer(), avcodec_get_context_defaults3(), avcodec_get_frame_defaults(), avformat_find_stream_info(), avformat_new_stream(), avformat_open_input(), avformat_write_header(), avi_write_packet(), codec_get_buffer(), compute_chapters_end(), compute_pkt_fields(), compute_pkt_fields2(), decode_frame(), decode_thread(), decode_vop_header(), dirac_combine_frame(), do_audio_out(), do_streamcopy(), do_subtitle_out(), do_video_out(), dvbsub_parse(), encode_audio_frame(), end_frame(), estimate_timings_from_bit_rate(), estimate_timings_from_pts(), event_loop(), fbdev_read_header(), fbdev_read_packet(), ff_fetch_timestamp(), ff_gen_search(), ff_gen_syncpoint_search(), ff_mov_write_packet(), ff_rate_estimate_qscale(), ff_read_frame_flush(), ff_rm_retrieve_cache(), ff_rtp_check_and_send_back_rr(), ff_rtp_parse_open(), ff_seek_frame_binary(), ff_store_parser_state(), ff_write_chained(), fill_all_stream_timings(), finalize_packet(), flac_read_header(), flush_encoders(), flush_packet(), flv_read_packet(), flv_write_header(), flv_write_packet(), get_pts(), get_vcd_padding_size(), get_video_frame(), guess_correct_pts(), gxf_header(), gxf_material_tags(), gxf_read_timestamp(), gxf_resync_media(), has_duration(), http_prepare_data(), init_input_stream(), load_input_picture(), matroska_parse_block(), matroska_parse_cluster(), matroska_read_header(), matroska_read_seek(), mkv_write_packet_internal(), mov_read_chpl(), mov_read_packet(), movie_get_frame(), movie_init(), mpeg_mux_write_packet(), mpegps_read_dts(), mpegps_read_pes_header(), mpegts_get_pcr(), mpegts_push_data(), mpegts_write_header(), mpegts_write_packet(), mpegts_write_pes(), MPV_encode_init(), mxf_parse_structural_metadata(), mxg_read_header(), new_pes_packet(), nut_read_timestamp(), nut_write_packet(), ogg_calc_pts(), ogg_get_length(), ogg_gptopts(), ogg_read_timestamp(), ogg_reset(), ogm_chapter(), open_input_stream(), opt_input_file(), output_packet(), parse_chunks(), parse_timecode(), pkt_dump_internal(), pulse_read_header(), pulse_read_packet(), pva_read_timestamp(), read_chapter(), read_frame_internal(), read_header(), read_part_of_packet(), read_seek(), read_sl_header(), return_frame(), rm_assemble_video_frame(), rm_read_dts(), rm_read_packet(), rtcp_parse_packet(), rtsp_cmd_pause(), rtsp_parse_range_npt(), rtsp_read_play(), rv34_parse(), search_hi_lo_keyframes(), set_frame_distances(), speex_packet(), start_frame(), subtitle_thread(), sync(), time_value_string(), transcode(), transcode_audio(), transcode_video(), ts_str(), ts_value_string(), update_initial_durations(), update_initial_timestamps(), update_stream_timings(), video_get_buffer(), write_audio_frame(), write_hint_packets(), write_video_frame(), xmv_fetch_audio_packet(), and xmv_fetch_video_packet().