ac3dec: Remove write-only channel_layout field from AC3DecodeContext
[libav.git] / avconv.h
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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"
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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 */
52typedef struct StreamMap {
c1ef30a6 53 int disabled; /* 1 is this mapping is disabled by a negative map */
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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 */
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59} StreamMap;
60
c1ef30a6 61/* select an input file for an output file */
f5e66827 62typedef struct MetadataMap {
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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
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66} MetadataMap;
67
68typedef struct OptionsContext {
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69 OptionGroup *g;
70
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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;
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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;
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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;
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161 SpecifierOpt *filter_scripts;
162 int nb_filter_scripts;
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163 SpecifierOpt *pass;
164 int nb_pass;
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165 SpecifierOpt *passlogfiles;
166 int nb_passlogfiles;
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167} OptionsContext;
168
169typedef struct InputFilter {
170 AVFilterContext *filter;
171 struct InputStream *ist;
172 struct FilterGraph *graph;
173 uint8_t *name;
174} InputFilter;
175
176typedef 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
186typedef 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
198typedef 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 */
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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
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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
235typedef 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;
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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;
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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
258typedef 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;
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273 /* dts of the last packet sent to the muxer */
274 int64_t last_mux_dts;
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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;
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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;
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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 */
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303 int stream_copy;
304 const char *attachment_filename;
305 int copy_initial_nonkeyframes;
306
716d413c 307 enum AVPixelFormat pix_fmts[2];
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308
309 AVCodecParserContext *parser;
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310} OutputStream;
311
312typedef 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;
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319
320 int shortest;
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321} OutputFile;
322
323extern InputStream **input_streams;
324extern int nb_input_streams;
325extern InputFile **input_files;
326extern int nb_input_files;
327
328extern OutputStream **output_streams;
329extern int nb_output_streams;
330extern OutputFile **output_files;
331extern int nb_output_files;
332
333extern FilterGraph **filtergraphs;
334extern int nb_filtergraphs;
335
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336extern char *vstats_filename;
337
338extern float audio_drift_threshold;
339extern float dts_delta_threshold;
340
341extern int audio_volume;
342extern int audio_sync_method;
343extern int video_sync_method;
344extern int do_benchmark;
345extern int do_deinterlace;
346extern int do_hex_dump;
347extern int do_pkt_dump;
348extern int copy_ts;
349extern int copy_tb;
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350extern int exit_on_error;
351extern int print_stats;
352extern int qp_hist;
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353
354extern const AVIOInterruptCB int_cb;
355
356extern const OptionDef options[];
357
358void reset_options(OptionsContext *o);
359void show_usage(void);
360
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361void opt_output_file(void *optctx, const char *filename);
362
363void assert_avoptions(AVDictionary *m);
364
365int guess_input_channel_layout(InputStream *ist);
366
367int configure_filtergraph(FilterGraph *fg);
368int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out);
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369int ist_in_filtergraph(FilterGraph *fg, InputStream *ist);
370FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost);
f5e66827 371
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372int avconv_parse_options(int argc, char **argv);
373
f5e66827 374#endif /* AVCONV_H */