/*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg 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,
+ * FFmpeg 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
+ * License along with FFmpeg; 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
+#ifndef FFMPEG_H
+#define FFMPEG_H
#include "config.h"
#include <stdint.h>
#include <stdio.h>
+#include <signal.h>
#if HAVE_PTHREADS
#include <pthread.h>
#include "libavutil/avutil.h"
#include "libavutil/dict.h"
+#include "libavutil/eval.h"
#include "libavutil/fifo.h"
#include "libavutil/pixfmt.h"
#include "libavutil/rational.h"
+#include "libswresample/swresample.h"
+
#define VSYNC_AUTO -1
#define VSYNC_PASSTHROUGH 0
#define VSYNC_CFR 1
#define VSYNC_VFR 2
+#define VSYNC_DROP 0xff
+
+#define MAX_STREAMS 1024 /* arbitrary sanity check value */
/* select an input stream for an output stream */
typedef struct StreamMap {
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 {
+ int file_idx, stream_idx, channel_idx; // input
+ int ofile_idx, ostream_idx; // output
+} AudioChannelMap;
typedef struct OptionsContext {
OptionGroup *g;
/* 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;
+ AudioChannelMap *audio_channel_maps; /* one info entry per -map_channel */
+ int nb_audio_channel_maps; /* number of (valid) -map_channel settings */
int metadata_global_manual;
int metadata_streams_manual;
int metadata_chapters_manual;
int chapters_input_file;
int64_t recording_time;
+ int64_t stop_time;
uint64_t limit_filesize;
float mux_preload;
float mux_max_delay;
int nb_presets;
SpecifierOpt *copy_initial_nonkeyframes;
int nb_copy_initial_nonkeyframes;
+ SpecifierOpt *copy_prior_start;
+ int nb_copy_prior_start;
SpecifierOpt *filters;
int nb_filters;
SpecifierOpt *filter_scripts;
int nb_filter_scripts;
+ SpecifierOpt *reinit_filters;
+ int nb_reinit_filters;
+ SpecifierOpt *fix_sub_duration;
+ int nb_fix_sub_duration;
+ SpecifierOpt *canvas_sizes;
+ int nb_canvas_sizes;
SpecifierOpt *pass;
int nb_pass;
SpecifierOpt *passlogfiles;
int nb_passlogfiles;
+ SpecifierOpt *guess_layout_max;
+ int nb_guess_layout_max;
} OptionsContext;
typedef struct InputFilter {
const char *graph_desc;
AVFilterGraph *graph;
+ int reconfiguration;
InputFilter **inputs;
int nb_inputs;
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 */
+ * several frames in a packet) of the next frame in current packet (in AV_TIME_BASE units) */
int64_t next_dts;
- /* dts of the last packet read for this stream */
- int64_t last_dts;
- PtsCorrectionContext pts_ctx;
+ int64_t dts; ///< dts of the last packet read for this stream (in AV_TIME_BASE units)
+
+ int64_t next_pts; ///< synthetic pts for the next decode frame (in AV_TIME_BASE units)
+ int64_t pts; ///< current pts of the decoded frame (in AV_TIME_BASE units)
+ int wrap_correction_done;
+
+ int64_t filter_in_rescale_delta_last;
+
double ts_scale;
int is_start; /* is 1 at the start and after a discontinuity */
+ int saw_first_ts;
int showed_multi_packet_warning;
AVDictionary *opts;
AVRational framerate; /* framerate forced with -r */
+ int top_field_first;
+ int guess_layout_max;
int resample_height;
int resample_width;
int resample_channels;
uint64_t resample_channel_layout;
+ int fix_sub_duration;
+ struct { /* previous decoded subtitle and related variables */
+ int got_output;
+ int ret;
+ AVSubtitle subtitle;
+ } prev_sub;
+
+ struct sub2video {
+ int64_t last_pts;
+ int64_t end_pts;
+ AVFrame *frame;
+ int w, h;
+ } sub2video;
+
+ int dr1;
+
/* decoded data from this stream goes into all those filters
* currently video and audio only */
InputFilter **filters;
int nb_filters;
+
+ int reinit_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 */
+ int ist_index; /* index of first stream in input_streams */
int64_t ts_offset;
- int nb_streams; /* number of stream that avconv is aware of; may be different
+ int64_t last_ts;
+ int nb_streams; /* number of stream that ffmpeg is aware of; may be different
from ctx.nb_streams if new streams appear during av_read_frame() */
+ int nb_streams_warn; /* number of streams that the user was warned of */
int rate_emu;
#if HAVE_PTHREADS
#endif
} InputFile;
+enum forced_keyframes_const {
+ FKF_N,
+ FKF_N_FORCED,
+ FKF_PREV_FORCED_N,
+ FKF_PREV_FORCED_T,
+ FKF_T,
+ FKF_NB
+};
+
+extern const char *const forced_keyframes_const_names[];
+
typedef struct OutputStream {
int file_index; /* file index */
int index; /* stream index in the output file */
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
int force_fps;
int top_field_first;
- float frame_aspect_ratio;
+ AVRational frame_aspect_ratio;
/* forced key frames */
int64_t *forced_kf_pts;
int forced_kf_count;
int forced_kf_index;
char *forced_keyframes;
+ AVExpr *forced_keyframes_pexpr;
+ double forced_keyframes_expr_const_values[FKF_NB];
+
+ /* audio only */
+ int audio_channels_map[SWR_CH_MAX]; /* list of the channels id to pick from the source stream */
+ int audio_channels_mapped; /* number of channels in audio_channels_map */
char *logfile_prefix;
FILE *logfile;
int64_t sws_flags;
AVDictionary *opts;
+ AVDictionary *swr_opts;
AVDictionary *resample_opts;
int finished; /* no more packets should be written for this stream */
+ int unavailable; /* true if the steram is unavailable (possibly temporarily) */
int stream_copy;
const char *attachment_filename;
int copy_initial_nonkeyframes;
+ int copy_prior_start;
- enum AVPixelFormat pix_fmts[2];
+ int keep_pix_fmt;
} 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;
+ int64_t recording_time; ///< desired length of the resulting file in microseconds == AV_TIME_BASE units
+ int64_t start_time; ///< start time in microseconds == AV_TIME_BASE units
+ uint64_t limit_filesize; /* filesize limit expressed in bytes */
int shortest;
} OutputFile;
extern float audio_drift_threshold;
extern float dts_delta_threshold;
+extern float dts_error_threshold;
extern int audio_volume;
extern int audio_sync_method;
extern int video_sync_method;
extern int do_benchmark;
+extern int do_benchmark_all;
extern int do_deinterlace;
extern int do_hex_dump;
extern int do_pkt_dump;
extern int copy_ts;
extern int copy_tb;
+extern int debug_ts;
extern int exit_on_error;
extern int print_stats;
extern int qp_hist;
+extern int stdin_interaction;
+extern int frame_bits_per_raw_sample;
+extern AVIOContext *progress_avio;
extern const AVIOInterruptCB int_cb;
extern const OptionDef options[];
-void reset_options(OptionsContext *o);
-void show_usage(void);
+void term_init(void);
+void term_exit(void);
-int opt_cpuflags(void *optctx, const char *opt, const char *arg);
+void reset_options(OptionsContext *o, int is_input);
+void show_usage(void);
void opt_output_file(void *optctx, const char *filename);
int guess_input_channel_layout(InputStream *ist);
+enum AVPixelFormat choose_pixel_fmt(AVStream *st, AVCodec *codec, enum AVPixelFormat target);
+void choose_sample_fmt(AVStream *st, AVCodec *codec);
+
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 ffmpeg_parse_options(int argc, char **argv);
-#endif /* AVCONV_H */
+#endif /* FFMPEG_H */
projects / ffmpeg / blobdiff