10 #include "arraylist.h"
12 #include "bccmodels.h"
13 #include "bcwindowbase.inc"
14 #include "condition.h"
18 #include "filebase.inc"
19 #include "fileffmpeg.inc"
20 #include "indexstate.inc"
26 #include "libavformat/avformat.h"
27 #include "libavformat/avio.h"
28 #include "libavcodec/avcodec.h"
29 #include "libavfilter/avfilter.h"
30 #include "libavutil/avutil.h"
31 #include "libavfilter/buffersrc.h"
32 #include "libavfilter/buffersink.h"
33 #include "libavutil/imgutils.h"
34 #include "libavutil/opt.h"
35 #include "libavutil/pixdesc.h"
36 #include "libswresample/swresample.h"
37 #include "libswscale/swscale.h"
43 operator AVPacket*() { return &pkt; }
44 operator AVPacket&() { return pkt; }
45 AVPacket *operator ->() { return &pkt; }
49 FFPacket() { init(); }
50 ~FFPacket() { finit(); }
53 class FFrame : public ListItem<FFrame> {
60 FFrame(FFStream *fst);
63 operator AVFrame*() { return frm; }
64 operator AVFrame&() { return *frm; }
65 AVFrame *operator ->() { return frm; }
67 int initted() { return init; }
68 void queue(int64_t pos);
74 FFStream(FFMPEG *ffmpeg, AVStream *st, int fidx);
76 static void ff_lock(const char *cp=0);
77 static void ff_unlock();
78 void queue(FFrame *frm);
79 void dequeue(FFrame *frm);
81 virtual int encode_activate();
82 virtual int decode_activate();
83 virtual int write_packet(FFPacket &pkt);
85 int seek(int64_t no, double rate);
87 int decode(AVFrame *frame);
88 void load_markers(IndexMarks &marks, double rate);
90 virtual int is_audio() = 0;
91 virtual int is_video() = 0;
92 virtual int decode_frame(AVFrame *frame) = 0;
93 virtual int encode_frame(AVFrame *frame) = 0;
94 virtual int init_frame(AVFrame *frame) = 0;
95 virtual int create_filter(const char *filter_spec, AVCodecParameters *avpar) = 0;
96 virtual void load_markers() = 0;
97 virtual IndexMarks *get_markers() = 0;
98 int create_filter(const char *filter_spec);
99 int load_filter(AVFrame *frame);
100 int read_filter(AVFrame *frame);
101 int read_frame(AVFrame *frame);
102 int open_stats_file();
103 int close_stats_file();
104 int read_stats_file();
105 int write_stats_file();
106 int init_stats_file();
110 AVFormatContext *fmt_ctx;
111 AVCodecContext *avctx;
113 AVFilterContext *buffersink_ctx;
114 AVFilterContext *buffersrc_ctx;
115 AVFilterGraph *filter_graph;
116 AVFrame *frame, *fframe;
120 int need_packet, flushed;
127 int64_t seek_pos, curr_pos;
129 int reading, writing;
133 char *stats_filename;
137 int st_eof() { return eof; }
138 void st_eof(int v) { eof = v; }
141 class FFAudioStream : public FFStream {
142 float *inp, *outp, *bfr, *lmt;
146 int read(float *fp, long len);
147 void realloc(long nsz, int nch, long len);
148 void realloc(long nsz, int nch);
149 void reserve(long nsz, int nch);
152 void iseek(int64_t ofs);
153 float *get_outp(int len);
154 int64_t put_inp(int len);
155 int write(const float *fp, long len);
157 int write(const double *dp, long len, int ch);
158 int write_packet(FFPacket &pkt);
160 FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx);
161 virtual ~FFAudioStream();
162 int is_audio() { return 1; }
163 int is_video() { return 0; }
164 void init_swr(int ichs, int ifmt, int irate);
165 int get_samples(float *&samples, uint8_t **data, int len);
166 int load_history(uint8_t **data, int len);
167 int decode_frame(AVFrame *frame);
168 int encode_frame(AVFrame *frame);
169 int create_filter(const char *filter_spec, AVCodecParameters *avpar);
171 IndexMarks *get_markers();
173 int encode_activate();
174 int64_t load_buffer(double ** const sp, int len);
175 int in_history(int64_t pos);
176 void reset_history();
177 int read(double *dp, long len, int ch);
179 int init_frame(AVFrame *frame);
180 int load(int64_t pos, int len);
181 int audio_seek(int64_t pos);
182 int encode(double **samples, int len);
186 int channel0, channels;
191 SwrContext *resample_context;
192 int swr_ichs, swr_ifmt, swr_irate;
198 class FFVideoConvert {
200 struct SwsContext *convert_ctx;
202 FFVideoConvert() { convert_ctx = 0; }
203 ~FFVideoConvert() { if( convert_ctx ) sws_freeContext(convert_ctx); }
205 static AVPixelFormat color_model_to_pix_fmt(int color_model);
206 static int pix_fmt_to_color_model(AVPixelFormat pix_fmt);
208 int convert_picture_vframe(VFrame *frame, AVFrame *ip);
209 int convert_picture_vframe(VFrame *frame, AVFrame *ip, AVFrame *ipic);
210 int convert_cmodel(VFrame *frame, AVFrame *ip);
211 int transfer_cmodel(VFrame *frame, AVFrame *ifp);
212 int convert_vframe_picture(VFrame *frame, AVFrame *op);
213 int convert_vframe_picture(VFrame *frame, AVFrame *op, AVFrame *opic);
214 int convert_pixfmt(VFrame *frame, AVFrame *op);
215 int transfer_pixfmt(VFrame *frame, AVFrame *ofp);
218 class FFVideoStream : public FFStream, public FFVideoConvert {
219 int write_packet(FFPacket &pkt);
221 FFVideoStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx);
222 virtual ~FFVideoStream();
223 int is_audio() { return 0; }
224 int is_video() { return 1; }
225 int decode_frame(AVFrame *frame);
226 int encode_frame(AVFrame *frame);
227 int create_filter(const char *filter_spec, AVCodecParameters *avpar);
229 IndexMarks *get_markers();
231 int init_frame(AVFrame *picture);
232 int load(VFrame *vframe, int64_t pos);
233 int video_seek(int64_t pos);
234 int encode(VFrame *vframe);
247 class FFMPEG : public Thread {
250 static void ff_lock(const char *cp=0) { fflock.lock(cp); }
251 static void ff_unlock() { fflock.unlock(); }
253 int check_sample_rate(AVCodec *codec, int sample_rate);
254 AVRational check_frame_rate(AVCodec *codec, double frame_rate);
255 AVRational to_sample_aspect_ratio(Asset *asset);
256 AVRational to_time_base(int sample_rate);
258 static void set_option_path(char *path, const char *fmt, ...);
259 static void get_option_path(char *path, const char *type, const char *spec);
260 static int get_format(char *format, const char *path, const char *spec);
261 static int get_codec(char *codec, const char *path, const char *spec);
262 static int scan_option_line(char *cp,char *tag,char *val);
263 static int load_defaults(const char *path, const char *type,
264 char *codec, char *codec_options, int len);
265 static void set_asset_format(Asset *asset, const char *text);
266 int get_file_format();
267 int get_encoder(const char *options, char *format, char *codec, char *bsfilter);
268 int get_encoder(FILE *fp, char *format, char *codec, char *bsfilter);
269 int read_options(const char *options, AVDictionary *&opts, int skip=0);
270 int scan_options(const char *options, AVDictionary *&opts, AVStream *st);
271 int read_options(FILE *fp, const char *options, AVDictionary *&opts);
272 int load_options(const char *options, AVDictionary *&opts);
273 static int load_options(const char *path, char *bfr, int len);
274 void set_loglevel(const char *ap);
275 static double to_secs(int64_t time, AVRational time_base);
276 int info(char *text, int len);
278 int init_decoder(const char *filename);
280 int init_encoder(const char *filename);
281 int open_encoder(const char *type, const char *spec);
284 int total_audio_channels();
285 int total_video_channels();
287 int audio_seek(int ch, int64_t pos);
288 int video_seek(int layer, int64_t pos);
290 int decode(int chn, int64_t pos, double *samples, int len);
291 int decode(int layer, int64_t pos, VFrame *frame);
292 int decode_activate();
293 int encode(int stream, double **samples, int len);
294 int encode(int stream, VFrame *frame);
295 int encode_activate();
298 AVFormatContext *fmt_ctx;
299 ArrayList<FFAudioStream*> ffaudio;
300 ArrayList<FFVideoStream*> ffvideo;
303 char *opt_video_filter;
304 char *opt_audio_filter;
305 char file_format[BCTEXTLEN];
309 uint16_t st_idx, st_ch;
310 ffidx() { st_idx = st_ch = 0; }
311 ffidx(const ffidx &t) { st_idx = t.st_idx; st_ch = t.st_ch; }
312 ffidx(uint16_t fidx, uint16_t ch) { st_idx = fidx; st_ch = ch; }
315 ArrayList<ffidx> astrm_index;
316 ArrayList<ffidx> vstrm_index;
317 int mux_audio(FFrame *frm);
318 int mux_video(FFrame *frm);
320 Condition *flow_lock;
331 int decoding, encoding;
332 int has_audio, has_video;
334 FFMPEG(FileBase *file_base=0);
336 int scan(IndexState *index_state, int64_t *scan_position, int *canceled);
338 int ff_audio_stream(int channel) { return astrm_index[channel].st_idx; }
339 int ff_video_stream(int layer) { return vstrm_index[layer].st_idx; }
341 int ff_total_audio_channels();
342 int ff_total_astreams();
343 int ff_audio_channels(int stream);
344 int ff_sample_rate(int stream);
345 const char *ff_audio_format(int stream);
346 int ff_audio_pid(int stream);
347 int64_t ff_audio_samples(int stream);
348 int ff_audio_for_video(int vstream, int astream, int64_t &channels);
350 int ff_total_video_layers();
351 int ff_total_vstreams();
352 int ff_video_width(int stream);
353 int ff_video_height(int stream);
354 int ff_set_video_width(int stream, int width);
355 int ff_set_video_height(int stream, int height);
356 int ff_coded_width(int stream);
357 int ff_coded_height(int stream);
358 float ff_aspect_ratio(int stream);
359 double ff_frame_rate(int stream);
360 const char *ff_video_format(int stream);
361 int64_t ff_video_frames(int stream);
362 int ff_video_pid(int stream);
363 int ff_video_mpeg_color_range(int stream);
366 void dump_context(AVCodecContext *ctx);
369 #endif /* FFMPEG_H */