FFmpeg: AVFormatInternal Struct Reference

FFmpeg 4.0

#include <libavformat/internal.h>

Data Fields
int	nb_interleaved_streams
	Number of streams relevant for interleaving. More...

struct AVPacketList *	packet_buffer
	This buffer is only needed when packets were already buffered but not decoded, for example to get the codec parameters in MPEG streams. More...

struct AVPacketList *	packet_buffer_end

int64_t	data_offset
	offset of the first packet More...

struct AVPacketList *	raw_packet_buffer
	Raw packets from the demuxer, prior to parsing and decoding. More...

struct AVPacketList *	raw_packet_buffer_end

struct AVPacketList *	parse_queue
	Packets split by the parser get queued here. More...

struct AVPacketList *	parse_queue_end

int	raw_packet_buffer_remaining_size

int64_t	offset
	Offset to remap timestamps to be non-negative. More...

AVRational	offset_timebase
	Timebase for the timestamp offset. More...

int	inject_global_side_data

int	avoid_negative_ts_use_pts

int64_t	shortest_end
	Timestamp of the end of the shortest stream. More...

int	initialized
	Whether or not avformat_init_output has already been called. More...

int	streams_initialized
	Whether or not avformat_init_output fully initialized streams. More...

AVDictionary *	id3v2_meta
	ID3v2 tag useful for MP3 demuxing. More...

int	prefer_codec_framerate

Detailed Description

Definition at line 66 of file internal.h.

Field Documentation

◆ nb_interleaved_streams

int AVFormatInternal::nb_interleaved_streams

Number of streams relevant for interleaving.

Muxing only.

Definition at line 71 of file internal.h.

Referenced by ff_interleave_packet_per_dts(), and init_muxer().

◆ packet_buffer

struct AVPacketList* AVFormatInternal::packet_buffer

This buffer is only needed when packets were already buffered but not decoded, for example to get the codec parameters in MPEG streams.

Definition at line 78 of file internal.h.

Referenced by av_read_frame(), avformat_find_stream_info(), compute_pkt_fields(), ff_interleave_add_packet(), ff_interleave_packet_per_dts(), ff_interleaved_peek(), flush_packet_queue(), mxf_interleave_get_packet(), update_initial_durations(), and update_initial_timestamps().

◆ packet_buffer_end

struct AVPacketList* AVFormatInternal::packet_buffer_end

Definition at line 79 of file internal.h.

Referenced by av_read_frame(), avformat_find_stream_info(), ff_interleave_add_packet(), ff_interleave_packet_per_dts(), flush_packet_queue(), get_next_pkt(), and mxf_interleave_get_packet().

◆ data_offset

int64_t AVFormatInternal::data_offset

offset of the first packet

Definition at line 82 of file internal.h.

Referenced by asf_build_simple_index(), asf_read_pts(), asf_read_seek(), av_demuxer_open(), avformat_open_input(), codec2_read_header(), codec2raw_read_header(), dv_frame_offset(), estimate_timings_from_bit_rate(), ff_gen_search(), ff_pcm_read_seek(), fsb_read_header(), mp3_seek(), mtv_read_packet(), nut_read_header(), ogg_get_length(), ogg_packet(), r3d_read_header(), read_header(), seek_frame_byte(), seek_frame_generic(), vqf_read_seek(), yop_read_seek(), yuv4_read_header(), yuv4_read_packet(), and yuv4_read_seek().

◆ raw_packet_buffer

struct AVPacketList* AVFormatInternal::raw_packet_buffer

Raw packets from the demuxer, prior to parsing and decoding.

This buffer is used for buffering packets until the codec can be identified, as parsing cannot be done without knowing the codec.

Definition at line 90 of file internal.h.

Referenced by avformat_queue_attached_pictures(), ff_read_packet(), and flush_packet_queue().

◆ raw_packet_buffer_end

struct AVPacketList* AVFormatInternal::raw_packet_buffer_end

Definition at line 91 of file internal.h.

Referenced by avformat_queue_attached_pictures(), ff_read_packet(), and flush_packet_queue().

◆ parse_queue

struct AVPacketList* AVFormatInternal::parse_queue

Packets split by the parser get queued here.

Definition at line 95 of file internal.h.

Referenced by compute_pkt_fields(), flush_packet_queue(), get_next_pkt(), parse_packet(), read_frame_internal(), update_initial_durations(), and update_initial_timestamps().

◆ parse_queue_end

struct AVPacketList* AVFormatInternal::parse_queue_end

Definition at line 96 of file internal.h.

Referenced by flush_packet_queue(), parse_packet(), and read_frame_internal().

◆ raw_packet_buffer_remaining_size

int AVFormatInternal::raw_packet_buffer_remaining_size

Definition at line 101 of file internal.h.

Referenced by avformat_alloc_context(), avformat_open_input(), ff_read_packet(), flush_packet_queue(), and probe_codec().

◆ offset

int64_t AVFormatInternal::offset

Offset to remap timestamps to be non-negative.

Expressed in timebase units.

See also: AVStream.mux_ts_offset

Definition at line 108 of file internal.h.

Referenced by avformat_alloc_context(), and write_packet().

◆ offset_timebase

AVRational AVFormatInternal::offset_timebase

Timebase for the timestamp offset.

Definition at line 113 of file internal.h.

Referenced by write_packet().

◆ inject_global_side_data

int AVFormatInternal::inject_global_side_data

Definition at line 119 of file internal.h.

Referenced by av_format_inject_global_side_data(), avformat_new_stream(), and ff_read_frame_flush().

◆ avoid_negative_ts_use_pts

int AVFormatInternal::avoid_negative_ts_use_pts

Definition at line 121 of file internal.h.

Referenced by mkv_init(), mkv_write_track(), and write_packet().

◆ shortest_end

int64_t AVFormatInternal::shortest_end

Timestamp of the end of the shortest stream.

Definition at line 126 of file internal.h.

Referenced by avformat_alloc_context(), and ff_interleave_packet_per_dts().

◆ initialized

int AVFormatInternal::initialized

Whether or not avformat_init_output has already been called.

Definition at line 131 of file internal.h.

Referenced by av_write_trailer(), avformat_init_output(), and avformat_write_header().

◆ streams_initialized

int AVFormatInternal::streams_initialized

Whether or not avformat_init_output fully initialized streams.

Definition at line 136 of file internal.h.

Referenced by av_write_trailer(), avformat_init_output(), and avformat_write_header().

◆ id3v2_meta

AVDictionary* AVFormatInternal::id3v2_meta

ID3v2 tag useful for MP3 demuxing.

Definition at line 141 of file internal.h.

Referenced by avformat_free_context(), avformat_open_input(), and mp3_read_header().

◆ prefer_codec_framerate

int AVFormatInternal::prefer_codec_framerate

Definition at line 146 of file internal.h.

Referenced by avformat_find_stream_info(), and mpegts_read_header().

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

libavformat/internal.h