10 #include "arraylist.h"
12 #include "bccmodels.h"
13 #include "bcwindowbase.inc"
14 #include "condition.h"
18 #include "filebase.inc"
19 #include "fileffmpeg.inc"
25 #include "libavfilter/buffersrc.h"
26 #include "libavfilter/buffersink.h"
27 #include "libavformat/avformat.h"
28 #include "libavformat/avio.h"
29 #include "libavcodec/avcodec.h"
30 #include "libavfilter/avfilter.h"
31 #include "libavutil/avutil.h"
32 #include "libavutil/opt.h"
33 #include "libavutil/pixdesc.h"
34 #include "libswresample/swresample.h"
35 #include "libswscale/swscale.h"
44 operator AVPacket*() { return &pkt; }
45 operator AVPacket&() { return pkt; }
46 AVPacket *operator ->() { return &pkt; }
49 class FFrame : public ListItem<FFrame> {
56 FFrame(FFStream *fst);
59 operator AVFrame*() { return frm; }
60 operator AVFrame&() { return *frm; }
61 AVFrame *operator ->() { return frm; }
63 int initted() { return init; }
64 void queue(int64_t pos);
70 FFStream(FFMPEG *ffmpeg, AVStream *st, int idx);
72 static void ff_lock(const char *cp=0);
73 static void ff_unlock();
74 void queue(FFrame *frm);
75 void dequeue(FFrame *frm);
77 virtual int encode_activate();
78 virtual int decode_activate();
80 int write_packet(FFPacket &pkt);
82 int decode(AVFrame *frame);
84 virtual int decode_frame(AVFrame *frame, int &got_frame) = 0;
85 virtual int encode_frame(FFPacket &pkt, AVFrame *frame, int &got_frame) = 0;
86 virtual int init_frame(AVFrame *frame) = 0;
87 virtual int create_filter(const char *filter_spec,
88 AVCodecContext *src_ctx, AVCodecContext *sink_ctx) = 0;
89 int create_filter(const char *filter_spec);
90 int load_filter(AVFrame *frame);
91 int read_filter(AVFrame *frame);
92 int read_frame(AVFrame *frame);
96 AVFormatContext *fmt_ctx;
98 AVFilterContext *buffersink_ctx;
99 AVFilterContext *buffersrc_ctx;
100 AVFilterGraph *filter_graph;
101 AVFrame *frame, *fframe;
105 AVBitStreamFilterContext *bsfc;
107 BSFilter(const char *bsf, const char *ap) {
108 bsfc = av_bitstream_filter_init(bsf);
109 args = ap ? cstrdup(ap) : 0;
112 av_bitstream_filter_close(bsfc);
116 void add_bsfilter(const char *bsf, const char *ap);
117 ArrayList<BSFilter *> bsfilter;
118 int bs_filter(AVPacket *pkt);
121 int need_packet, flushed;
129 int reading, writing;
132 int st_eof() { return eof; }
133 void st_eof(int v) { eof = v; }
136 class FFAudioStream : public FFStream {
137 float *inp, *outp, *bfr, *lmt;
141 int read(float *fp, long len);
142 void realloc(long sz, int nch, long len);
143 void realloc(long sz, int nch);
144 void reserve(long sz, int nch);
148 void iseek(int64_t ofs);
149 float *get_outp(int len);
150 int64_t put_inp(int len);
151 int write(const float *fp, long len);
153 int write(const double *dp, long len, int ch);
155 FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx);
156 virtual ~FFAudioStream();
157 int load_history(uint8_t **data, int len);
158 int decode_frame(AVFrame *frame, int &got_frame);
159 int encode_frame(FFPacket &pkt, AVFrame *frame, int &got_frame);
160 int create_filter(const char *filter_spec,
161 AVCodecContext *src_ctx, AVCodecContext *sink_ctx);
163 int encode_activate();
165 int64_t load_buffer(double ** const sp, int len);
166 int in_history(int64_t pos);
167 int read(double *dp, long len, int ch);
169 int init_frame(AVFrame *frame);
170 int load(int64_t pos, int len);
171 int audio_seek(int64_t pos);
172 int encode(double **samples, int len);
174 int channel0, channels;
177 int64_t seek_pos, curr_pos;
180 SwrContext *resample_context;
185 class FFVideoStream : public FFStream {
187 FFVideoStream(FFMPEG *ffmpeg, AVStream *strm, int idx);
188 virtual ~FFVideoStream();
189 int decode_frame(AVFrame *frame, int &got_frame);
190 int encode_frame(FFPacket &pkt, AVFrame *frame, int &got_frame);
191 int create_filter(const char *filter_spec,
192 AVCodecContext *src_ctx, AVCodecContext *sink_ctx);
194 int init_frame(AVFrame *picture);
195 int load(VFrame *vframe, int64_t pos);
196 int video_seek(int64_t pos);
197 int encode(VFrame *vframe);
201 int64_t seek_pos, curr_pos;
205 struct SwsContext *convert_ctx;
209 static PixelFormat color_model_to_pix_fmt(int color_model);
210 static int pix_fmt_to_color_model(PixelFormat pix_fmt);
212 int convert_picture_vframe(VFrame *frame,
213 AVPicture *ip, PixelFormat ifmt, int iw, int ih);
214 int convert_cmodel(VFrame *frame_out,
215 AVPicture *ip, PixelFormat ifmt, int iw, int ih);
216 int convert_vframe_picture(VFrame *frame,
217 AVPicture *op, PixelFormat ofmt, int ow, int oh);
218 int convert_pixfmt(VFrame *frame_in,
219 AVPicture *op, PixelFormat ofmt, int ow, int oh);
222 class FFMPEG : public Thread {
225 static void ff_lock(const char *cp=0) { fflock.lock(cp); }
226 static void ff_unlock() { fflock.unlock(); }
228 int check_sample_rate(AVCodec *codec, int sample_rate);
229 AVRational check_frame_rate(AVCodec *codec, double frame_rate);
230 AVRational to_sample_aspect_ratio(double aspect_ratio);
231 AVRational to_time_base(int sample_rate);
233 static void set_option_path(char *path, const char *fmt, ...);
234 static void get_option_path(char *path, const char *type, const char *spec);
235 static int get_format(char *format, const char *path, char *spec);
236 static int scan_option_line(char *cp,char *tag,char *val);
237 int get_file_format();
238 int get_encoder(const char *options,
239 char *format, char *codec, char *bsfilter, char *bsargs);
240 int get_encoder(FILE *fp,
241 char *format, char *codec, char *bsfilter, char *bsargs);
242 int read_options(const char *options, AVDictionary *&opts);
243 int scan_options(const char *options, AVDictionary *&opts, AVStream *st);
244 int read_options(FILE *fp, const char *options, AVDictionary *&opts);
245 int load_options(const char *options, AVDictionary *&opts);
246 static int load_options(const char *path, char *bfr, int len);
247 void set_loglevel(const char *ap);
248 static double to_secs(int64_t time, AVRational time_base);
249 int info(char *text, int len);
251 int init_decoder(const char *filename);
253 int init_encoder(const char *filename);
254 int open_encoder(const char *type, const char *spec);
257 int total_audio_channels();
258 int total_video_channels();
260 int audio_seek(int ch, int64_t pos);
261 int video_seek(int layer, int64_t pos);
263 int decode(int chn, int64_t pos, double *samples, int len);
264 int decode(int layer, int64_t pos, VFrame *frame);
265 int decode_activate();
266 int encode(int stream, double **samples, int len);
267 int encode(int stream, VFrame *frame);
268 int encode_activate();
271 AVFormatContext *fmt_ctx;
272 ArrayList<FFAudioStream*> ffaudio;
273 ArrayList<FFVideoStream*> ffvideo;
276 char *opt_video_filter;
277 char *opt_audio_filter;
278 char file_format[BCTEXTLEN];
282 uint16_t st_idx, st_ch;
283 ffidx() { st_idx = st_ch = 0; }
284 ffidx(const ffidx &t) { st_idx = t.st_idx; st_ch = t.st_ch; }
285 ffidx(uint16_t idx, uint16_t ch) { st_idx = idx; st_ch = ch; }
288 ArrayList<ffidx> astrm_index;
289 ArrayList<ffidx> vstrm_index;
290 int mux_audio(FFrame *frm);
291 int mux_video(FFrame *frm);
293 Condition *flow_lock;
304 int decoding, encoding;
305 int has_audio, has_video;
307 FFMPEG(FileBase *file_base=0);
310 int ff_audio_stream(int channel) { return astrm_index[channel].st_idx; }
311 int ff_video_stream(int layer) { return vstrm_index[layer].st_idx; }
313 int ff_total_audio_channels();
314 int ff_total_astreams();
315 int ff_audio_channels(int stream);
316 int ff_sample_rate(int stream);
317 const char *ff_audio_format(int stream);
318 int ff_audio_pid(int stream);
319 int64_t ff_audio_samples(int stream);
320 int ff_audio_for_video(int vstream, int astream, int64_t &channels);
322 int ff_total_video_layers();
323 int ff_total_vstreams();
324 int ff_video_width(int stream);
325 int ff_video_height(int stream);
326 int ff_set_video_width(int stream, int width);
327 int ff_set_video_height(int stream, int height);
328 int ff_coded_width(int stream);
329 int ff_coded_height(int stream);
330 float ff_aspect_ratio(int stream);
331 double ff_frame_rate(int stream);
332 const char *ff_video_format(int stream);
333 int64_t ff_video_frames(int stream);
334 int ff_video_pid(int stream);
337 void dump_context(AVCodecContext *ctx);
340 #endif /* FFMPEG_H */