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-rw-r--r--avconv.h431
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diff --git a/avconv.h b/avconv.h
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-/*
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef AVCONV_H
-#define AVCONV_H
-
-#include "config.h"
-
-#include <stdint.h>
-#include <stdio.h>
-
-#if HAVE_PTHREADS
-#include <pthread.h>
-#endif
-
-#include "cmdutils.h"
-
-#include "libavformat/avformat.h"
-#include "libavformat/avio.h"
-
-#include "libavcodec/avcodec.h"
-
-#include "libavfilter/avfilter.h"
-
-#include "libavutil/avutil.h"
-#include "libavutil/dict.h"
-#include "libavutil/fifo.h"
-#include "libavutil/pixfmt.h"
-#include "libavutil/rational.h"
-
-#define VSYNC_AUTO -1
-#define VSYNC_PASSTHROUGH 0
-#define VSYNC_CFR 1
-#define VSYNC_VFR 2
-
-enum HWAccelID {
- HWACCEL_NONE = 0,
- HWACCEL_AUTO,
- HWACCEL_VDPAU,
- HWACCEL_DXVA2,
- HWACCEL_VDA,
-};
-
-typedef struct HWAccel {
- const char *name;
- int (*init)(AVCodecContext *s);
- enum HWAccelID id;
- enum AVPixelFormat pix_fmt;
-} HWAccel;
-
-/* select an input stream for an output stream */
-typedef struct StreamMap {
- int disabled; /* 1 is this mapping is disabled by a negative map */
- int file_index;
- int stream_index;
- int sync_file_index;
- int sync_stream_index;
- char *linklabel; /* name of an output link, for mapping lavfi outputs */
-} StreamMap;
-
-/* select an input file for an output file */
-typedef struct MetadataMap {
- int file; // file index
- char type; // type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
- int index; // stream/chapter/program number
-} MetadataMap;
-
-typedef struct OptionsContext {
- OptionGroup *g;
-
- /* input/output options */
- int64_t start_time;
- const char *format;
-
- SpecifierOpt *codec_names;
- int nb_codec_names;
- SpecifierOpt *audio_channels;
- int nb_audio_channels;
- SpecifierOpt *audio_sample_rate;
- int nb_audio_sample_rate;
- SpecifierOpt *frame_rates;
- int nb_frame_rates;
- SpecifierOpt *frame_sizes;
- int nb_frame_sizes;
- SpecifierOpt *frame_pix_fmts;
- int nb_frame_pix_fmts;
-
- /* input options */
- int64_t input_ts_offset;
- int rate_emu;
- int accurate_seek;
-
- SpecifierOpt *ts_scale;
- int nb_ts_scale;
- SpecifierOpt *dump_attachment;
- int nb_dump_attachment;
- SpecifierOpt *hwaccels;
- int nb_hwaccels;
- SpecifierOpt *hwaccel_devices;
- int nb_hwaccel_devices;
-
- /* output options */
- StreamMap *stream_maps;
- int nb_stream_maps;
- /* first item specifies output metadata, second is input */
- MetadataMap (*meta_data_maps)[2];
- int nb_meta_data_maps;
- int metadata_global_manual;
- int metadata_streams_manual;
- int metadata_chapters_manual;
- const char **attachments;
- int nb_attachments;
-
- int chapters_input_file;
-
- int64_t recording_time;
- uint64_t limit_filesize;
- float mux_preload;
- float mux_max_delay;
- int shortest;
-
- int video_disable;
- int audio_disable;
- int subtitle_disable;
- int data_disable;
-
- /* indexed by output file stream index */
- int *streamid_map;
- int nb_streamid_map;
-
- SpecifierOpt *metadata;
- int nb_metadata;
- SpecifierOpt *max_frames;
- int nb_max_frames;
- SpecifierOpt *bitstream_filters;
- int nb_bitstream_filters;
- SpecifierOpt *codec_tags;
- int nb_codec_tags;
- SpecifierOpt *sample_fmts;
- int nb_sample_fmts;
- SpecifierOpt *qscale;
- int nb_qscale;
- SpecifierOpt *forced_key_frames;
- int nb_forced_key_frames;
- SpecifierOpt *force_fps;
- int nb_force_fps;
- SpecifierOpt *frame_aspect_ratios;
- int nb_frame_aspect_ratios;
- SpecifierOpt *rc_overrides;
- int nb_rc_overrides;
- SpecifierOpt *intra_matrices;
- int nb_intra_matrices;
- SpecifierOpt *inter_matrices;
- int nb_inter_matrices;
- SpecifierOpt *top_field_first;
- int nb_top_field_first;
- SpecifierOpt *metadata_map;
- int nb_metadata_map;
- SpecifierOpt *presets;
- int nb_presets;
- SpecifierOpt *copy_initial_nonkeyframes;
- int nb_copy_initial_nonkeyframes;
- SpecifierOpt *filters;
- int nb_filters;
- SpecifierOpt *filter_scripts;
- int nb_filter_scripts;
- SpecifierOpt *pass;
- int nb_pass;
- SpecifierOpt *passlogfiles;
- int nb_passlogfiles;
-} OptionsContext;
-
-typedef struct InputFilter {
- AVFilterContext *filter;
- struct InputStream *ist;
- struct FilterGraph *graph;
- uint8_t *name;
-} InputFilter;
-
-typedef struct OutputFilter {
- AVFilterContext *filter;
- struct OutputStream *ost;
- struct FilterGraph *graph;
- uint8_t *name;
-
- /* temporary storage until stream maps are processed */
- AVFilterInOut *out_tmp;
-} OutputFilter;
-
-typedef struct FilterGraph {
- int index;
- const char *graph_desc;
-
- AVFilterGraph *graph;
-
- InputFilter **inputs;
- int nb_inputs;
- OutputFilter **outputs;
- int nb_outputs;
-} FilterGraph;
-
-typedef struct InputStream {
- int file_index;
- AVStream *st;
- int discard; /* true if stream data should be discarded */
- int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
- AVCodecContext *dec_ctx;
- AVCodec *dec;
- AVFrame *decoded_frame;
- AVFrame *filter_frame; /* a ref of decoded_frame, to be sent to filters */
-
- int64_t start; /* time when read started */
- /* predicted dts of the next packet read for this stream or (when there are
- * several frames in a packet) of the next frame in current packet */
- int64_t next_dts;
- /* dts of the last packet read for this stream */
- int64_t last_dts;
- PtsCorrectionContext pts_ctx;
- double ts_scale;
- int showed_multi_packet_warning;
- AVDictionary *decoder_opts;
- AVRational framerate; /* framerate forced with -r */
-
- int resample_height;
- int resample_width;
- int resample_pix_fmt;
-
- int resample_sample_fmt;
- int resample_sample_rate;
- int resample_channels;
- uint64_t resample_channel_layout;
-
- /* decoded data from this stream goes into all those filters
- * currently video and audio only */
- InputFilter **filters;
- int nb_filters;
-
- /* hwaccel options */
- enum HWAccelID hwaccel_id;
- char *hwaccel_device;
-
- /* hwaccel context */
- enum HWAccelID active_hwaccel_id;
- void *hwaccel_ctx;
- void (*hwaccel_uninit)(AVCodecContext *s);
- int (*hwaccel_get_buffer)(AVCodecContext *s, AVFrame *frame, int flags);
- int (*hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame);
- enum AVPixelFormat hwaccel_pix_fmt;
- enum AVPixelFormat hwaccel_retrieved_pix_fmt;
-
- /* stats */
- // combined size of all the packets read
- uint64_t data_size;
- /* number of packets successfully read for this stream */
- uint64_t nb_packets;
- // number of frames/samples retrieved from the decoder
- uint64_t frames_decoded;
- uint64_t samples_decoded;
-} InputStream;
-
-typedef struct InputFile {
- AVFormatContext *ctx;
- int eof_reached; /* true if eof reached */
- int eagain; /* true if last read attempt returned EAGAIN */
- int ist_index; /* index of first stream in ist_table */
- int64_t ts_offset;
- int64_t start_time; /* user-specified start time in AV_TIME_BASE or AV_NOPTS_VALUE */
- int64_t recording_time;
- int nb_streams; /* number of stream that avconv is aware of; may be different
- from ctx.nb_streams if new streams appear during av_read_frame() */
- int rate_emu;
- int accurate_seek;
-
-#if HAVE_PTHREADS
- pthread_t thread; /* thread reading from this file */
- int finished; /* the thread has exited */
- int joined; /* the thread has been joined */
- pthread_mutex_t fifo_lock; /* lock for access to fifo */
- pthread_cond_t fifo_cond; /* the main thread will signal on this cond after reading from fifo */
- AVFifoBuffer *fifo; /* demuxed packets are stored here; freed by the main thread */
-#endif
-} InputFile;
-
-typedef struct OutputStream {
- int file_index; /* file index */
- int index; /* stream index in the output file */
- int source_index; /* InputStream index */
- AVStream *st; /* stream in the output file */
- int encoding_needed; /* true if encoding needed for this stream */
- int frame_number;
- /* input pts and corresponding output pts
- for A/V sync */
- // double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
- struct InputStream *sync_ist; /* input stream to sync against */
- int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
- /* pts of the first frame encoded for this stream, used for limiting
- * recording time */
- int64_t first_pts;
- /* dts of the last packet sent to the muxer */
- int64_t last_mux_dts;
- AVBitStreamFilterContext *bitstream_filters;
- AVCodecContext *enc_ctx;
- AVCodec *enc;
- int64_t max_frames;
- AVFrame *filtered_frame;
-
- /* video only */
- AVRational frame_rate;
- int force_fps;
- int top_field_first;
-
- float frame_aspect_ratio;
-
- /* forced key frames */
- int64_t *forced_kf_pts;
- int forced_kf_count;
- int forced_kf_index;
- char *forced_keyframes;
-
- char *logfile_prefix;
- FILE *logfile;
-
- OutputFilter *filter;
- char *avfilter;
-
- int64_t sws_flags;
- AVDictionary *encoder_opts;
- AVDictionary *resample_opts;
- int finished; /* no more packets should be written for this stream */
- int stream_copy;
- const char *attachment_filename;
- int copy_initial_nonkeyframes;
-
- enum AVPixelFormat pix_fmts[2];
-
- AVCodecParserContext *parser;
-
- /* stats */
- // combined size of all the packets written
- uint64_t data_size;
- // number of packets send to the muxer
- uint64_t packets_written;
- // number of frames/samples sent to the encoder
- uint64_t frames_encoded;
- uint64_t samples_encoded;
-} OutputStream;
-
-typedef struct OutputFile {
- AVFormatContext *ctx;
- AVDictionary *opts;
- int ost_index; /* index of the first stream in output_streams */
- int64_t recording_time; /* desired length of the resulting file in microseconds */
- int64_t start_time; /* start time in microseconds */
- uint64_t limit_filesize;
-
- int shortest;
-} OutputFile;
-
-extern InputStream **input_streams;
-extern int nb_input_streams;
-extern InputFile **input_files;
-extern int nb_input_files;
-
-extern OutputStream **output_streams;
-extern int nb_output_streams;
-extern OutputFile **output_files;
-extern int nb_output_files;
-
-extern FilterGraph **filtergraphs;
-extern int nb_filtergraphs;
-
-extern char *vstats_filename;
-
-extern float audio_drift_threshold;
-extern float dts_delta_threshold;
-
-extern int audio_volume;
-extern int audio_sync_method;
-extern int video_sync_method;
-extern int do_benchmark;
-extern int do_deinterlace;
-extern int do_hex_dump;
-extern int do_pkt_dump;
-extern int copy_ts;
-extern int copy_tb;
-extern int exit_on_error;
-extern int print_stats;
-extern int qp_hist;
-
-extern const AVIOInterruptCB int_cb;
-
-extern const OptionDef options[];
-
-extern const HWAccel hwaccels[];
-
-void reset_options(OptionsContext *o);
-void show_usage(void);
-
-void opt_output_file(void *optctx, const char *filename);
-
-void assert_avoptions(AVDictionary *m);
-
-int guess_input_channel_layout(InputStream *ist);
-
-int configure_filtergraph(FilterGraph *fg);
-int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out);
-int ist_in_filtergraph(FilterGraph *fg, InputStream *ist);
-FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost);
-
-int avconv_parse_options(int argc, char **argv);
-
-int vdpau_init(AVCodecContext *s);
-int dxva2_init(AVCodecContext *s);
-int vda_init(AVCodecContext *s);
-
-#endif /* AVCONV_H */
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