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();
84 int seek(int64_t no, double rate);
85 int write_packet(FFPacket &pkt);
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);
105 AVFormatContext *fmt_ctx;
106 AVCodecContext *avctx;
108 AVFilterContext *buffersink_ctx;
109 AVFilterContext *buffersrc_ctx;
110 AVFilterGraph *filter_graph;
111 AVFrame *frame, *fframe;
115 int need_packet, flushed;
122 int64_t seek_pos, curr_pos;
124 int reading, writing;
127 int st_eof() { return eof; }
128 void st_eof(int v) { eof = v; }
131 class FFAudioStream : public FFStream {
132 float *inp, *outp, *bfr, *lmt;
136 int read(float *fp, long len);
137 void realloc(long nsz, int nch, long len);
138 void realloc(long nsz, int nch);
139 void reserve(long nsz, int nch);
142 void iseek(int64_t ofs);
143 float *get_outp(int len);
144 int64_t put_inp(int len);
145 int write(const float *fp, long len);
147 int write(const double *dp, long len, int ch);
149 FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx);
150 virtual ~FFAudioStream();
151 int is_audio() { return 1; }
152 int is_video() { return 0; }
153 void init_swr(int ichs, int ifmt, int irate);
154 int get_samples(float *&samples, uint8_t **data, int len);
155 int load_history(uint8_t **data, int len);
156 int decode_frame(AVFrame *frame);
157 int encode_frame(AVFrame *frame);
158 int create_filter(const char *filter_spec, AVCodecParameters *avpar);
160 IndexMarks *get_markers();
162 int encode_activate();
163 int64_t load_buffer(double ** const sp, int len);
164 int in_history(int64_t pos);
165 void reset_history();
166 int read(double *dp, long len, int ch);
168 int init_frame(AVFrame *frame);
169 int load(int64_t pos, int len);
170 int audio_seek(int64_t pos);
171 int encode(double **samples, int len);
175 int channel0, channels;
180 SwrContext *resample_context;
181 int swr_ichs, swr_ifmt, swr_irate;
187 class FFVideoConvert {
189 struct SwsContext *convert_ctx;
191 FFVideoConvert() { convert_ctx = 0; }
192 ~FFVideoConvert() { if( convert_ctx ) sws_freeContext(convert_ctx); }
194 static AVPixelFormat color_model_to_pix_fmt(int color_model);
195 static int pix_fmt_to_color_model(AVPixelFormat pix_fmt);
197 int convert_picture_vframe(VFrame *frame, AVFrame *ip);
198 int convert_picture_vframe(VFrame *frame, AVFrame *ip, AVFrame *ipic);
199 int convert_cmodel(VFrame *frame, AVFrame *ip);
200 int transfer_cmodel(VFrame *frame, AVFrame *ifp);
201 int convert_vframe_picture(VFrame *frame, AVFrame *op);
202 int convert_vframe_picture(VFrame *frame, AVFrame *op, AVFrame *opic);
203 int convert_pixfmt(VFrame *frame, AVFrame *op);
204 int transfer_pixfmt(VFrame *frame, AVFrame *ofp);
207 class FFVideoStream : public FFStream, public FFVideoConvert {
209 FFVideoStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx);
210 virtual ~FFVideoStream();
211 int is_audio() { return 0; }
212 int is_video() { return 1; }
213 int decode_frame(AVFrame *frame);
214 int encode_frame(AVFrame *frame);
215 int create_filter(const char *filter_spec, AVCodecParameters *avpar);
217 IndexMarks *get_markers();
219 int init_frame(AVFrame *picture);
220 int load(VFrame *vframe, int64_t pos);
221 int video_seek(int64_t pos);
222 int encode(VFrame *vframe);
235 class FFMPEG : public Thread {
238 static void ff_lock(const char *cp=0) { fflock.lock(cp); }
239 static void ff_unlock() { fflock.unlock(); }
241 int check_sample_rate(AVCodec *codec, int sample_rate);
242 AVRational check_frame_rate(AVCodec *codec, double frame_rate);
243 AVRational to_sample_aspect_ratio(Asset *asset);
244 AVRational to_time_base(int sample_rate);
246 static void set_option_path(char *path, const char *fmt, ...);
247 static void get_option_path(char *path, const char *type, const char *spec);
248 static int get_format(char *format, const char *path, const char *spec);
249 static int get_codec(char *codec, const char *path, const char *spec);
250 static int scan_option_line(char *cp,char *tag,char *val);
251 static int load_defaults(const char *path, const char *type,
252 char *codec, char *codec_options, int len);
253 static void set_asset_format(Asset *asset, const char *text);
254 int get_file_format();
255 int get_encoder(const char *options, char *format, char *codec, char *bsfilter);
256 int get_encoder(FILE *fp, char *format, char *codec, char *bsfilter);
257 int read_options(const char *options, AVDictionary *&opts, int skip=0);
258 int scan_options(const char *options, AVDictionary *&opts, AVStream *st);
259 int read_options(FILE *fp, const char *options, AVDictionary *&opts);
260 int load_options(const char *options, AVDictionary *&opts);
261 static int load_options(const char *path, char *bfr, int len);
262 void set_loglevel(const char *ap);
263 static double to_secs(int64_t time, AVRational time_base);
264 int info(char *text, int len);
266 int init_decoder(const char *filename);
268 int init_encoder(const char *filename);
269 int open_encoder(const char *type, const char *spec);
272 int total_audio_channels();
273 int total_video_channels();
275 int audio_seek(int ch, int64_t pos);
276 int video_seek(int layer, int64_t pos);
278 int decode(int chn, int64_t pos, double *samples, int len);
279 int decode(int layer, int64_t pos, VFrame *frame);
280 int decode_activate();
281 int encode(int stream, double **samples, int len);
282 int encode(int stream, VFrame *frame);
283 int encode_activate();
286 AVFormatContext *fmt_ctx;
287 ArrayList<FFAudioStream*> ffaudio;
288 ArrayList<FFVideoStream*> ffvideo;
291 char *opt_video_filter;
292 char *opt_audio_filter;
293 char file_format[BCTEXTLEN];
297 uint16_t st_idx, st_ch;
298 ffidx() { st_idx = st_ch = 0; }
299 ffidx(const ffidx &t) { st_idx = t.st_idx; st_ch = t.st_ch; }
300 ffidx(uint16_t fidx, uint16_t ch) { st_idx = fidx; st_ch = ch; }
303 ArrayList<ffidx> astrm_index;
304 ArrayList<ffidx> vstrm_index;
305 int mux_audio(FFrame *frm);
306 int mux_video(FFrame *frm);
308 Condition *flow_lock;
319 int decoding, encoding;
320 int has_audio, has_video;
322 FFMPEG(FileBase *file_base=0);
324 int scan(IndexState *index_state, int64_t *scan_position, int *canceled);
326 int ff_audio_stream(int channel) { return astrm_index[channel].st_idx; }
327 int ff_video_stream(int layer) { return vstrm_index[layer].st_idx; }
329 int ff_total_audio_channels();
330 int ff_total_astreams();
331 int ff_audio_channels(int stream);
332 int ff_sample_rate(int stream);
333 const char *ff_audio_format(int stream);
334 int ff_audio_pid(int stream);
335 int64_t ff_audio_samples(int stream);
336 int ff_audio_for_video(int vstream, int astream, int64_t &channels);
338 int ff_total_video_layers();
339 int ff_total_vstreams();
340 int ff_video_width(int stream);
341 int ff_video_height(int stream);
342 int ff_set_video_width(int stream, int width);
343 int ff_set_video_height(int stream, int height);
344 int ff_coded_width(int stream);
345 int ff_coded_height(int stream);
346 float ff_aspect_ratio(int stream);
347 double ff_frame_rate(int stream);
348 const char *ff_video_format(int stream);
349 int64_t ff_video_frames(int stream);
350 int ff_video_pid(int stream);
353 void dump_context(AVCodecContext *ctx);
356 #endif /* FFMPEG_H */