source/src/qt/avio/movie_saver.cpp

   1 /*
   2  * Common Source Code Project for Qt : movie saver.
   3  * (C) 2016 K.Ohta <whatisthis.sowhat _at_ gmail.com>
   4  *  License: GPLv2
   5  *  History: May 27, 2016 : Initial. This refer from avidemux 2.5.6 .
   6  */
   7
   8 #include <QDateTime>
   9 #include "movie_saver.h"
  10 #include "../osd.h"
  11 #include "csp_logger.h"
  12
  13 MOVIE_SAVER::MOVIE_SAVER(int width, int height, int fps, OSD *osd, config_t *cfg) : QThread(0)
  14 {
  15         buffer_size=8 * 1024 * 224;
  16         max_rate=4000 * 1000;
  17         min_rate=0;
  18         _width = width;
  19         _height = height;
  20         rec_fps = fps;
  21         p_osd = osd;
  22         p_config = cfg;
  23
  24         recording = false;
  25         audio_sample_rate = 48000;
  26 #if defined(USE_MOVIE_SAVER)
  27         memset(audio_frame_buf, 0x00, sizeof(audio_frame_buf));
  28         memset(video_frame_buf, 0x00, sizeof(video_frame_buf));
  29         output_context = NULL;
  30         stream_format = NULL;
  31         audio_codec = video_codec = NULL;
  32         raw_options_list = NULL;
  33
  34         memset(&video_st, 0x00, sizeof(video_st));
  35         memset(&audio_st, 0x00, sizeof(audio_st));
  36 #endif
  37
  38         output_context = NULL;
  39
  40         audio_data_queue.clear();
  41         video_data_queue.clear();
  42
  43         do_reset_encoder_options();
  44
  45         //video_queue_mutex = new QMutex(QMutex::Recursive);
  46         totalSrcFrame = 0;
  47         totalDstFrame = 0;
  48         totalAudioFrame = 0;
  49
  50         video_bit_rate = 1500 * 1000;
  51         audio_bit_rate = 160 * 1000;
  52         video_geometry = QSize(640, 480);
  53         video_encode_threads = 4;
  54 //      audio_enqueue_count = 0;
  55         left_frames = 0;
  56         req_close = false;
  57         req_stop = false;
  58         bRunThread = false;
  59
  60 }
  61
  62 MOVIE_SAVER::~MOVIE_SAVER()
  63 {
  64         if(recording) do_close_main();
  65         //if(video_queue_mutex) delete video_queue_mutex;
  66
  67 }
  68
  69 QString MOVIE_SAVER::ts2str(int64_t ts)
  70 {
  71 #if defined(USE_LIBAV)
  72         char buffer[AV_TS_MAX_STRING_SIZE + 16];
  73         memset(buffer, 0x00, sizeof(buffer));
  74         return QString::fromLocal8Bit(av_ts_make_string(buffer, ts));
  75 #else
  76         return QString::fromUtf8("");
  77 #endif
  78 }
  79
  80 QString MOVIE_SAVER::ts2timestr(int64_t ts, void *timebase)
  81 {
  82 #if defined(USE_LIBAV)
  83         char buffer[AV_TS_MAX_STRING_SIZE + 16];
  84         AVRational *tb = (AVRational *)timebase;
  85         memset(buffer, 0x00, sizeof(buffer));
  86         return QString::fromLocal8Bit(av_ts_make_time_string(buffer, ts, tb));
  87 #else
  88         return QString::fromUtf8("");
  89 #endif
  90 }
  91
  92 QString MOVIE_SAVER::err2str(int errnum)
  93 {
  94 #if defined(USE_LIBAV)
  95         char buffer[AV_TS_MAX_STRING_SIZE + 16];
  96         memset(buffer, 0x00, sizeof(buffer));
  97         return QString::fromLocal8Bit(av_make_error_string(buffer, sizeof(buffer), errnum));
  98 #else
  99         return QString::fromUtf8("");
 100 #endif
 101 }
 102
 103 //void MOVIE_SAVER::log_packet(const AVFormatContext *fmt_ctx, const AVPacket *pkt)
 104 void MOVIE_SAVER::log_packet(const void *_fmt_ctx, const void *_pkt)
 105 {
 106 #if defined(USE_LIBAV)
 107         const AVFormatContext *fmt_ctx = (const AVFormatContext *)_fmt_ctx;
 108         const AVPacket *pkt = (const AVPacket *)_pkt;
 109         AVRational *time_base = &fmt_ctx->streams[pkt->stream_index]->time_base;
 110
 111         csp_logger->debug_log(CSP_LOG_DEBUG, CSP_LOG_TYPE_MOVIE_SAVER, "pts:%s pts_time:%s dts:%s dts_time:%s duration:%s duration_time:%s stream_index:%d\n",
 112                    ts2str(pkt->pts).toLocal8Bit().constData(),
 113                    ts2timestr(pkt->pts, (void *)time_base).toLocal8Bit().constData(),
 114                    ts2str(pkt->dts).toLocal8Bit().constData(),
 115                    ts2timestr(pkt->dts, (void *)time_base).toLocal8Bit().constData(),
 116                    ts2str(pkt->duration).toLocal8Bit().constData(),
 117                    ts2timestr(pkt->duration, (void *)time_base).toLocal8Bit().constData(),
 118                    pkt->stream_index);
 119 #endif
 120 }
 121
 122
 123 void MOVIE_SAVER::enqueue_video(int frames, int width, int height, QImage *p)
 124 {
 125 #if defined(USE_MOVIE_SAVER)
 126         if(!recording) return;
 127         if(p == NULL) return;
 128         if(req_stop) return;
 129         VIDEO_DATA *px = new VIDEO_DATA(frames, width, height, p);
 130         //csp_logger->debug_log(CSP_LOG_DEBUG, CSP_LOG_TYPE_MOVIE_SAVER, "Movie: Enqueue video data %dx%d %d bytes %dx%d %d frames", width, height, p->byteCount(), p->width(), p->height(), frames);
 131         //video_queue_mutex->lock();
 132         video_data_queue.enqueue(px);
 133         //video_queue_mutex->unlock();
 134 #endif
 135 }
 136
 137 bool MOVIE_SAVER::dequeue_video(uint32_t *p)
 138 {
 139         //if(!recording) return false;
 140         if(p == NULL) return false;
 141
 142         VIDEO_DATA *pp = video_data_queue.dequeue();
 143 #if defined(USE_MOVIE_SAVER)
 144         if(pp == NULL) return false;
 145         int y;
 146         uint32_t *pq;
 147         QImage *pp_i = &(pp->frame_data);
 148         left_frames = pp->frames;
 149         _width = pp->_width;
 150         _height = pp->_height;
 151         if((left_frames > 0) && (pp_i != NULL)){
 152                 for(y = 0; y < _height; y++) {
 153                         if(y >= pp_i->height()) break;
 154                         pq = (uint32_t *)(pp_i->constScanLine(y));
 155                         memcpy(&(p[_width * y]), pq, (((uint)_width * sizeof(uint32_t)) > pp_i->bytesPerLine()) ? pp_i->bytesPerLine() : _width * sizeof(uint32_t));
 156                 }
 157                 video_size = _width * y;
 158                 //csp_logger->debug_log(CSP_LOG_DEBUG, CSP_LOG_TYPE_MOVIE_SAVER, "Movie: Dequeue video data %d bytes", pp->byteCount());
 159         }
 160 #else
 161         video_size = 0;
 162 #endif
 163         if(pp != NULL) delete pp;
 164         return true;
 165 }
 166
 167 void MOVIE_SAVER::enqueue_audio(int16_t *p, int size)
 168 {
 169 #if defined(USE_MOVIE_SAVER)
 170         if(!recording) return;
 171         if(p == NULL) return;
 172         if(req_stop) return;
 173         QByteArray *pp = new QByteArray((const char *)p, size);
 174         //csp_logger->debug_log(CSP_LOG_DEBUG, CSP_LOG_TYPE_MOVIE_SAVER, "Movie: Enqueue audio data %d bytes", size);
 175         audio_data_queue.enqueue(pp);
 176 //      audio_enqueue_count++;
 177 #endif
 178 }
 179
 180 bool MOVIE_SAVER::dequeue_audio(int16_t *p)
 181 {
 182         //if(!recording) return false;
 183         if(audio_data_queue.isEmpty()) return false;
 184         if(p == NULL) return false;
 185
 186         QByteArray *pp = audio_data_queue.dequeue();
 187         int16_t *q = (int16_t *)pp->constData();
 188         int32_t tmpd;
 189 #if defined(USE_MOVIE_SAVER)
 190         if(pp == NULL) return false;
 191         audio_size = pp->size();
 192         if(audio_size <= 0) return false;
 193         // I expect to use SIMD.
 194         for(int i = 0; i < (int)(audio_size / sizeof(int16_t)); i++) {
 195                 tmpd = q[i];
 196                 tmpd <<= 4;
 197                 tmpd = tmpd / 3;
 198                 tmpd >>= 3;
 199                 p[i] = tmpd;
 200         }
 201         //memcpy(p, pp->constData(), audio_size);
 202         audio_count++;
 203 #else
 204         audio_size = 0;
 205 #endif
 206         if(pp != NULL) delete pp;
 207         return true;
 208 }
 209
 210
 211 void MOVIE_SAVER::run()
 212 {
 213         bRunThread = true;
 214         //csp_logger->debug_log(CSP_LOG_DEBUG, CSP_LOG_TYPE_MOVIE_SAVER, "MOVIE THREAD: Start");
 215         int ret;
 216         int fps_wait = (int)((1000.0 / (double)rec_fps) / 4.0);
 217         int tmp_wait = fps_wait;
 218         bool need_audio_transcode = false;
 219         bool need_video_transcode = false;
 220         int i;
 221         int64_t total_packets_written = 0;
 222         bool a_f, v_f;
 223         a_f = v_f = false;
 224         volatile bool old_recording = false;
 225         audio_remain = 0;
 226         video_remain = 0;
 227         audio_offset = 0;
 228         audio_frame_offset = 0;
 229         video_offset = 0;
 230         n_encode_audio = 0;
 231         n_encode_video = 0;
 232         req_close = false;
 233         req_stop = false;
 234         left_frames = 0;
 235         while(bRunThread) {
 236                 if(recording) {
 237                         if(!bRunThread) break;
 238                         if(!old_recording) {
 239                                 //n_encode_video = n_encode_audio = 1;
 240                                 audio_remain = 0;
 241                                 video_remain = 0;
 242                                 audio_offset = 0;
 243                                 audio_frame_offset = 0;
 244                                 video_offset = 0;
 245                                 video_count = 0;
 246                                 audio_count = 0;
 247                                 req_close = false;
 248                                 req_stop = false;
 249                                 left_frames = 0;
 250                                 if(!do_open_main()) {
 251                                         recording = false;
 252                                         goto _next_turn;
 253                                 }
 254                                 csp_logger->debug_log(CSP_LOG_DEBUG, CSP_LOG_TYPE_MOVIE_SAVER, "MOVIE/Saver: Start to recording.");
 255                                 old_recording = true;
 256                                 a_f = v_f = false;
 257                         }
 258                         if(audio_remain <= 0) {
 259                                 a_f = audio_data_queue.isEmpty();
 260                                 if(a_f) goto _video;
 261                                 dequeue_audio(audio_frame_buf);
 262                                 audio_remain = audio_size;
 263                                 audio_offset = 0;
 264                                 need_audio_transcode = true;
 265                         }
 266                 _video:
 267                         {
 268                                 v_f = video_data_queue.isEmpty();
 269                                 if(v_f)
 270                                         goto _write_frame;
 271                                 if(left_frames <= 0) dequeue_video(video_frame_buf);
 272                                 left_frames--;
 273                                 video_remain = video_size;
 274                                 video_offset = 0;
 275                                 need_video_transcode = true;
 276                         }
 277                 _write_frame:
 278                         if ((n_encode_video == 0) &&
 279                                 ((n_encode_audio != 0) || av_compare_ts(video_st.next_pts, video_st.st->codec->time_base,
 280                                                                                                                 audio_st.next_pts, audio_st.st->codec->time_base) <= 0)) {
 281                                 n_encode_video = write_video_frame();
 282                                 if(n_encode_video < 0) {
 283                                         csp_logger->debug_log(CSP_LOG_DEBUG, CSP_LOG_TYPE_MOVIE_SAVER, "MOVIE/Saver: Something wrong with encoding video.");
 284                                         goto _final;
 285                                 }
 286                         } else {
 287                                 n_encode_audio = write_audio_frame();
 288                                 if(n_encode_audio < 0) {
 289                                         csp_logger->debug_log(CSP_LOG_DEBUG, CSP_LOG_TYPE_MOVIE_SAVER, "MOVIE/Saver: Something wrong with encoding audio.");
 290                                         goto _final;
 291                                 }
 292                         }
 293                         if (ret < 0 && ret != AVERROR_EOF) {
 294                                 char errbuf[128];
 295                                 av_strerror(ret, errbuf, sizeof(errbuf));
 296                                 csp_logger->debug_log(CSP_LOG_INFO, CSP_LOG_TYPE_MOVIE_SAVER, "Error while filtering: %s\n", (const char *)errbuf);
 297                                 goto _final;
 298                         }
 299
 300                         /* dump report by using the output first video and audio streams */
 301                         //print_report(0, timer_start, cur_time);
 302                         if(req_close) {
 303                                 do_close_main();
 304                                 need_video_transcode = need_audio_transcode = false;
 305                                 old_recording = false;
 306                         }
 307                 }
 308         _next_turn:
 309                 //if(req_stop && a_f && v_f) req_close = true;
 310                 if(!bRunThread) break;
 311                 if(need_video_transcode || need_audio_transcode) {
 312                         need_video_transcode = need_audio_transcode = false;
 313                         continue;
 314                 }
 315                 if(fps_wait >= tmp_wait) {
 316                         this->msleep(tmp_wait);
 317                         tmp_wait = 0;
 318                 } else {
 319                         this->msleep(fps_wait);
 320                         tmp_wait -= fps_wait;
 321                 }
 322                 if(tmp_wait <= 0) {
 323                         fps_wait = (int)((1000.0 / (double)rec_fps) / 4.0);
 324                         //fps_wait = 10;
 325                         tmp_wait = fps_wait;
 326                 }
 327                 if(req_close) {
 328                         do_close_main();
 329                         old_recording = false;
 330                 }
 331                 continue;
 332         _final:
 333                 req_close = true;
 334                 do_close_main();
 335                 old_recording = false;
 336         }
 337         csp_logger->debug_log(CSP_LOG_DEBUG, CSP_LOG_TYPE_MOVIE_SAVER, "MOVIE: Exit thread.");
 338         if(recording) {
 339                 req_close = true;
 340                 do_close_main();
 341         }
 342 }
 343
 344 bool MOVIE_SAVER::is_recording(void)
 345 {
 346         return recording;
 347 }
 348
 349
 350 void MOVIE_SAVER::do_exit()
 351 {
 352         bRunThread = false;
 353         req_close = true;
 354         req_stop = true;
 355 }
 356
 357 void MOVIE_SAVER::do_set_record_fps(int fps)
 358 {
 359         if((fps > 0) && (fps <= 75)) rec_fps = fps;
 360 }
 361
 362 void MOVIE_SAVER::do_set_width(int width)
 363 {
 364         _width = width;
 365 }
 366
 367 void MOVIE_SAVER::do_set_height(int height)
 368 {
 369         _height = height;
 370 }
 371
 372 void MOVIE_SAVER::do_clear_options_list(void)
 373 {
 374         encode_opt_keys.clear();
 375         encode_options.clear();
 376 }
 377
 378 void MOVIE_SAVER::do_add_option(QString key, QString value)
 379 {
 380         if(key.isEmpty()) return;
 381         encode_opt_keys.append(key);
 382         if(value.isEmpty()) {
 383                 encode_options.append(QString::fromUtf8(""));
 384         } else {
 385                 encode_options.append(value);
 386         }
 387 }
 388
 389 void MOVIE_SAVER::do_set_video_bitrate(int kbps)
 390 {
 391         if(kbps < 10) return;
 392         video_bit_rate = kbps * 1000;
 393 }
 394
 395 void MOVIE_SAVER::do_set_audio_bitrate(int kbps)
 396 {
 397         if(kbps < 8) return;
 398         audio_bit_rate = kbps * 1000;
 399 }
 400
 401 void MOVIE_SAVER::do_set_video_geometry(QSize geometry)
 402 {
 403         if(geometry.width() < 100) return;
 404         if(geometry.height() < 80) return;
 405         video_geometry = geometry;
 406 }
 407
 408 void MOVIE_SAVER::do_set_video_threads(int threads)
 409 {
 410         video_encode_threads = threads;
 411 }
 412
 413 void MOVIE_SAVER::do_reset_encoder_options(void)
 414 {
 415         encode_opt_keys.clear();
 416         encode_options.clear();
 417
 418         do_add_option(QString::fromUtf8("c:v"), QString::fromUtf8("libx264"));
 419         do_add_option(QString::fromUtf8("c:a"), QString::fromUtf8("aac"));
 420         do_add_option(QString::fromUtf8("preset"), QString::fromUtf8("slow"));
 421         do_add_option(QString::fromUtf8("tune"), QString::fromUtf8("grain"));
 422         //do_add_option(QString::fromUtf8("crf"), QString::fromUtf8("20"));
 423         do_add_option(QString::fromUtf8("qmin"), QString::fromUtf8("16"));
 424         do_add_option(QString::fromUtf8("qmax"), QString::fromUtf8("24"));
 425         // Dummy
 426         do_add_option(QString::fromUtf8("qmax"), QString::fromUtf8("24"));
 427 }
 428