[libav.git] / avconv.h

/*
 * 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

/* 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;

    /* 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' */
    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 is_start;            /* is 1 at the start and after a discontinuity */
    int showed_multi_packet_warning;
    AVDictionary *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;
} 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;
    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 *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;
} 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[];

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);

#endif /* AVCONV_H */
Commit	Line	Data
f5e66827 AK	1	/*
	2	* This file is part of Libav.
	3	*
	4	* Libav is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU Lesser General Public
	6	* License as published by the Free Software Foundation; either
	7	* version 2.1 of the License, or (at your option) any later version.
	8	*
	9	* Libav is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	12	* Lesser General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU Lesser General Public
	15	* License along with Libav; if not, write to the Free Software
	16	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	17	*/
	18
	19	#ifndef AVCONV_H
	20	#define AVCONV_H
	21
	22	#include "config.h"
	23
	24	#include <stdint.h>
	25	#include <stdio.h>
	26
	27	#if HAVE_PTHREADS
	28	#include <pthread.h>
	29	#endif
	30
	31	#include "cmdutils.h"
	32
	33	#include "libavformat/avformat.h"
	34	#include "libavformat/avio.h"
	35
	36	#include "libavcodec/avcodec.h"
	37
	38	#include "libavfilter/avfilter.h"
f5e66827 AK	39
	40	#include "libavutil/avutil.h"
	41	#include "libavutil/dict.h"
	42	#include "libavutil/fifo.h"
	43	#include "libavutil/pixfmt.h"
	44	#include "libavutil/rational.h"
	45
	46	#define VSYNC_AUTO -1
	47	#define VSYNC_PASSTHROUGH 0
	48	#define VSYNC_CFR 1
	49	#define VSYNC_VFR 2
	50
	51	/* select an input stream for an output stream */
	52	typedef struct StreamMap {
c1ef30a6	53	int disabled; /* 1 is this mapping is disabled by a negative map */
f5e66827 AK	54	int file_index;
	55	int stream_index;
	56	int sync_file_index;
	57	int sync_stream_index;
c1ef30a6	58	char linklabel; / name of an output link, for mapping lavfi outputs */
f5e66827 AK	59	} StreamMap;
f5e66827 AK	60
c1ef30a6	61	/* select an input file for an output file */
f5e66827	62	typedef struct MetadataMap {
c1ef30a6 DB	63	int file; // file index
	64	char type; // type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
	65	int index; // stream/chapter/program number
f5e66827 AK	66	} MetadataMap;
	67
	68	typedef struct OptionsContext {
77bd1bc7 AK	69	OptionGroup *g;
77bd1bc7 AK	70
f5e66827 AK	71	/* input/output options */
	72	int64_t start_time;
	73	const char *format;
	74
	75	SpecifierOpt *codec_names;
	76	int nb_codec_names;
	77	SpecifierOpt *audio_channels;
	78	int nb_audio_channels;
	79	SpecifierOpt *audio_sample_rate;
	80	int nb_audio_sample_rate;
	81	SpecifierOpt *frame_rates;
	82	int nb_frame_rates;
	83	SpecifierOpt *frame_sizes;
	84	int nb_frame_sizes;
	85	SpecifierOpt *frame_pix_fmts;
	86	int nb_frame_pix_fmts;
	87
	88	/* input options */
	89	int64_t input_ts_offset;
	90	int rate_emu;
811bd078	91	int accurate_seek;
f5e66827 AK	92
	93	SpecifierOpt *ts_scale;
	94	int nb_ts_scale;
	95	SpecifierOpt *dump_attachment;
	96	int nb_dump_attachment;
	97
	98	/* output options */
	99	StreamMap *stream_maps;
	100	int nb_stream_maps;
	101	/* first item specifies output metadata, second is input */
	102	MetadataMap (*meta_data_maps)[2];
	103	int nb_meta_data_maps;
	104	int metadata_global_manual;
	105	int metadata_streams_manual;
	106	int metadata_chapters_manual;
	107	const char **attachments;
	108	int nb_attachments;
	109
	110	int chapters_input_file;
	111
	112	int64_t recording_time;
	113	uint64_t limit_filesize;
	114	float mux_preload;
	115	float mux_max_delay;
3c0df905	116	int shortest;
f5e66827 AK	117
	118	int video_disable;
	119	int audio_disable;
	120	int subtitle_disable;
	121	int data_disable;
	122
	123	/* indexed by output file stream index */
	124	int *streamid_map;
	125	int nb_streamid_map;
	126
	127	SpecifierOpt *metadata;
	128	int nb_metadata;
	129	SpecifierOpt *max_frames;
	130	int nb_max_frames;
	131	SpecifierOpt *bitstream_filters;
	132	int nb_bitstream_filters;
	133	SpecifierOpt *codec_tags;
	134	int nb_codec_tags;
	135	SpecifierOpt *sample_fmts;
	136	int nb_sample_fmts;
	137	SpecifierOpt *qscale;
	138	int nb_qscale;
	139	SpecifierOpt *forced_key_frames;
	140	int nb_forced_key_frames;
	141	SpecifierOpt *force_fps;
	142	int nb_force_fps;
	143	SpecifierOpt *frame_aspect_ratios;
	144	int nb_frame_aspect_ratios;
	145	SpecifierOpt *rc_overrides;
	146	int nb_rc_overrides;
	147	SpecifierOpt *intra_matrices;
	148	int nb_intra_matrices;
	149	SpecifierOpt *inter_matrices;
	150	int nb_inter_matrices;
	151	SpecifierOpt *top_field_first;
	152	int nb_top_field_first;
	153	SpecifierOpt *metadata_map;
	154	int nb_metadata_map;
	155	SpecifierOpt *presets;
	156	int nb_presets;
	157	SpecifierOpt *copy_initial_nonkeyframes;
	158	int nb_copy_initial_nonkeyframes;
	159	SpecifierOpt *filters;
	160	int nb_filters;
a4208b9b AK	161	SpecifierOpt *filter_scripts;
a4208b9b AK	162	int nb_filter_scripts;
038c0b1e AK	163	SpecifierOpt *pass;
038c0b1e AK	164	int nb_pass;
bbcedade AK	165	SpecifierOpt *passlogfiles;
bbcedade AK	166	int nb_passlogfiles;
f5e66827 AK	167	} OptionsContext;
	168
	169	typedef struct InputFilter {
	170	AVFilterContext *filter;
	171	struct InputStream *ist;
	172	struct FilterGraph *graph;
	173	uint8_t *name;
	174	} InputFilter;
	175
	176	typedef struct OutputFilter {
	177	AVFilterContext *filter;
	178	struct OutputStream *ost;
	179	struct FilterGraph *graph;
	180	uint8_t *name;
	181
	182	/* temporary storage until stream maps are processed */
	183	AVFilterInOut *out_tmp;
	184	} OutputFilter;
	185
	186	typedef struct FilterGraph {
	187	int index;
	188	const char *graph_desc;
	189
	190	AVFilterGraph *graph;
	191
	192	InputFilter **inputs;
	193	int nb_inputs;
	194	OutputFilter **outputs;
	195	int nb_outputs;
	196	} FilterGraph;
	197
	198	typedef struct InputStream {
	199	int file_index;
	200	AVStream *st;
	201	int discard; /* true if stream data should be discarded */
	202	int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
	203	AVCodec *dec;
	204	AVFrame *decoded_frame;
9b2dc295	205	AVFrame filter_frame; / a ref of decoded_frame, to be sent to filters */
f5e66827 AK	206
	207	int64_t start; /* time when read started */
	208	/* predicted dts of the next packet read for this stream or (when there are
	209	* several frames in a packet) of the next frame in current packet */
	210	int64_t next_dts;
	211	/* dts of the last packet read for this stream */
	212	int64_t last_dts;
	213	PtsCorrectionContext pts_ctx;
	214	double ts_scale;
	215	int is_start; /* is 1 at the start and after a discontinuity */
	216	int showed_multi_packet_warning;
	217	AVDictionary *opts;
	218	AVRational framerate; /* framerate forced with -r */
	219
	220	int resample_height;
	221	int resample_width;
	222	int resample_pix_fmt;
	223
	224	int resample_sample_fmt;
	225	int resample_sample_rate;
	226	int resample_channels;
	227	uint64_t resample_channel_layout;
	228
f5e66827 AK	229	/* decoded data from this stream goes into all those filters
	230	* currently video and audio only */
	231	InputFilter **filters;
	232	int nb_filters;
	233	} InputStream;
	234
	235	typedef struct InputFile {
	236	AVFormatContext *ctx;
	237	int eof_reached; /* true if eof reached */
0b26ef42	238	int eagain; /* true if last read attempt returned EAGAIN */
f5e66827	239	int ist_index; /* index of first stream in ist_table */
f5e66827	240	int64_t ts_offset;
811bd078	241	int64_t start_time; /* user-specified start time in AV_TIME_BASE or AV_NOPTS_VALUE */
488a0fa6	242	int64_t recording_time;
f5e66827 AK	243	int nb_streams; /* number of stream that avconv is aware of; may be different
	244	from ctx.nb_streams if new streams appear during av_read_frame() */
	245	int rate_emu;
811bd078	246	int accurate_seek;
f5e66827 AK	247
	248	#if HAVE_PTHREADS
	249	pthread_t thread; /* thread reading from this file */
	250	int finished; /* the thread has exited */
	251	int joined; /* the thread has been joined */
	252	pthread_mutex_t fifo_lock; /* lock for access to fifo */
	253	pthread_cond_t fifo_cond; /* the main thread will signal on this cond after reading from fifo */
	254	AVFifoBuffer fifo; / demuxed packets are stored here; freed by the main thread */
	255	#endif
	256	} InputFile;
	257
	258	typedef struct OutputStream {
	259	int file_index; /* file index */
	260	int index; /* stream index in the output file */
	261	int source_index; /* InputStream index */
	262	AVStream st; / stream in the output file */
	263	int encoding_needed; /* true if encoding needed for this stream */
	264	int frame_number;
	265	/* input pts and corresponding output pts
	266	for A/V sync */
	267	// double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
	268	struct InputStream sync_ist; / input stream to sync against */
	269	int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
	270	/* pts of the first frame encoded for this stream, used for limiting
	271	* recording time */
	272	int64_t first_pts;
76d23f40 AK	273	/* dts of the last packet sent to the muxer */
76d23f40 AK	274	int64_t last_mux_dts;
f5e66827 AK	275	AVBitStreamFilterContext *bitstream_filters;
	276	AVCodec *enc;
	277	int64_t max_frames;
	278	AVFrame *filtered_frame;
	279
	280	/* video only */
	281	AVRational frame_rate;
	282	int force_fps;
	283	int top_field_first;
	284
	285	float frame_aspect_ratio;
f5e66827 AK	286
	287	/* forced key frames */
	288	int64_t *forced_kf_pts;
	289	int forced_kf_count;
	290	int forced_kf_index;
	291	char *forced_keyframes;
	292
bbcedade	293	char *logfile_prefix;
f5e66827 AK	294	FILE *logfile;
	295
	296	OutputFilter *filter;
	297	char *avfilter;
	298
	299	int64_t sws_flags;
	300	AVDictionary *opts;
5c7db097	301	AVDictionary *resample_opts;
57d24225	302	int finished; /* no more packets should be written for this stream */
f5e66827 AK	303	int stream_copy;
	304	const char *attachment_filename;
	305	int copy_initial_nonkeyframes;
	306
716d413c	307	enum AVPixelFormat pix_fmts[2];
c872d310 AK	308
c872d310 AK	309	AVCodecParserContext *parser;
f5e66827 AK	310	} OutputStream;
	311
	312	typedef struct OutputFile {
	313	AVFormatContext *ctx;
	314	AVDictionary *opts;
	315	int ost_index; /* index of the first stream in output_streams */
	316	int64_t recording_time; /* desired length of the resulting file in microseconds */
	317	int64_t start_time; /* start time in microseconds */
	318	uint64_t limit_filesize;
3c0df905 AK	319
3c0df905 AK	320	int shortest;
f5e66827 AK	321	} OutputFile;
	322
	323	extern InputStream **input_streams;
	324	extern int nb_input_streams;
	325	extern InputFile **input_files;
	326	extern int nb_input_files;
	327
	328	extern OutputStream **output_streams;
	329	extern int nb_output_streams;
	330	extern OutputFile **output_files;
	331	extern int nb_output_files;
	332
	333	extern FilterGraph **filtergraphs;
	334	extern int nb_filtergraphs;
	335
f5e66827 AK	336	extern char *vstats_filename;
	337
	338	extern float audio_drift_threshold;
	339	extern float dts_delta_threshold;
	340
	341	extern int audio_volume;
	342	extern int audio_sync_method;
	343	extern int video_sync_method;
	344	extern int do_benchmark;
	345	extern int do_deinterlace;
	346	extern int do_hex_dump;
	347	extern int do_pkt_dump;
	348	extern int copy_ts;
	349	extern int copy_tb;
f5e66827 AK	350	extern int exit_on_error;
	351	extern int print_stats;
	352	extern int qp_hist;
f5e66827 AK	353
	354	extern const AVIOInterruptCB int_cb;
	355
	356	extern const OptionDef options[];
	357
	358	void reset_options(OptionsContext *o);
	359	void show_usage(void);
	360
f5e66827 AK	361	void opt_output_file(void optctx, const char filename);
	362
	363	void assert_avoptions(AVDictionary *m);
	364
	365	int guess_input_channel_layout(InputStream *ist);
	366
	367	int configure_filtergraph(FilterGraph *fg);
	368	int configure_output_filter(FilterGraph fg, OutputFilter ofilter, AVFilterInOut *out);
fe2147e9 AK	369	int ist_in_filtergraph(FilterGraph fg, InputStream ist);
fe2147e9 AK	370	FilterGraph init_simple_filtergraph(InputStream ist, OutputStream *ost);
f5e66827	371
77bd1bc7 AK	372	int avconv_parse_options(int argc, char **argv);
77bd1bc7 AK	373
f5e66827	374	#endif /* AVCONV_H */