예제 #1
0
video_decoder_t *
video_decoder_create(media_pipe_t *mp, vd_frame_deliver_t *frame_delivery,
		     void *opaque)
{
  video_decoder_t *vd = calloc(1, sizeof(video_decoder_t));

  vd->vd_frame_deliver = frame_delivery;
  vd->vd_opaque = opaque;

  mp_ref_inc(mp);
  vd->vd_mp = mp;

  vd_init_timings(vd);

#ifdef CONFIG_DVD
  dvdspu_decoder_init(vd);
#endif

  TAILQ_INIT(&vd->vd_overlay_queue);
  hts_mutex_init(&vd->vd_overlay_mutex);

  hts_thread_create_joinable("video decoder", 
			     &vd->vd_decoder_thread, vd_thread, vd,
			     THREAD_PRIO_NORMAL);
  
  return vd;
}
예제 #2
0
video_decoder_t *
video_decoder_create(media_pipe_t *mp)
{
  video_decoder_t *vd = calloc(1, sizeof(video_decoder_t));

  vd->vd_mp = mp_retain(mp);

  vd_init_timings(vd);

  hts_thread_create_joinable("video decoder", 
			     &vd->vd_decoder_thread, vd_thread, vd,
			     THREAD_PRIO_VIDEO);
  
  return vd;
}
예제 #3
0
/**
 * Video decoder thread
 */
static void *
vd_thread(void *aux)
{
  video_decoder_t *vd = aux;
  media_pipe_t *mp = vd->vd_mp;
  media_queue_t *mq = &mp->mp_video;
  media_buf_t *mb;
  media_codec_t *mc;
  int run = 1;
  int reqsize = -1;
  int reinit = 0;
  int size;
  vd->vd_frame = avcodec_alloc_frame();

  hts_mutex_lock(&mp->mp_mutex);

  while(run) {

    if((mb = TAILQ_FIRST(&mq->mq_q)) == NULL) {
      hts_cond_wait(&mq->mq_avail, &mp->mp_mutex);
      continue;
    }

    if(mb->mb_data_type == MB_VIDEO && vd->vd_hold && 
       vd->vd_skip == 0 && mb->mb_skip == 0) {
      hts_cond_wait(&mq->mq_avail, &mp->mp_mutex);
      continue;
    }

    TAILQ_REMOVE(&mq->mq_q, mb, mb_link);
    mq->mq_packets_current--;
    mp->mp_buffer_current -= mb->mb_size;
    mq_update_stats(mp, mq);

    hts_cond_signal(&mp->mp_backpressure);
    hts_mutex_unlock(&mp->mp_mutex);

    mc = mb->mb_cw;

    switch(mb->mb_data_type) {
    case MB_CTRL_EXIT:
      run = 0;
      break;

    case MB_CTRL_PAUSE:
      vd->vd_hold = 1;
      break;

    case MB_CTRL_PLAY:
      vd->vd_hold = 0;
      break;

    case MB_FLUSH:
      vd_init_timings(vd);
      vd->vd_do_flush = 1;
      vd->vd_interlaced = 0;
      video_overlay_flush(vd, 1);
      break;

    case MB_VIDEO:
      if(reinit) {
	reinit = 0;
	if(mc->reinit != NULL)
	  mc->reinit(mc);
      }

      if(mb->mb_skip == 2)
	vd->vd_skip = 1;

      size = mb->mb_size;

      if(mc->decode)
	mc->decode(mc, vd, mq, mb, reqsize);
      else
	vd_decode_video(vd, mq, mb);

      update_vbitrate(mp, mq, size, vd);
      reqsize = -1;
      break;

    case MB_REQ_OUTPUT_SIZE:
      reqsize = mb->mb_data32;
      break;

    case MB_REINITIALIZE:
      reinit = 1;
      break;

#ifdef CONFIG_DVD
    case MB_DVD_HILITE:
    case MB_DVD_RESET_SPU:
    case MB_DVD_CLUT:
    case MB_DVD_PCI:
    case MB_DVD_SPU:
      dvdspu_decoder_dispatch(vd, mb, mp);
      break;
#endif

    case MB_SUBTITLE:
      if(vd->vd_ext_subtitles == NULL && mb->mb_stream == mq->mq_stream2)
	video_overlay_decode(vd, mb);
      break;

    case MB_END:
      break;

    case MB_BLACKOUT:
      vd->vd_frame_deliver(FRAME_BUFFER_TYPE_BLACKOUT, NULL, NULL,
			   vd->vd_opaque);
      break;

    case MB_FLUSH_SUBTITLES:
      video_overlay_flush(vd, 1);
      break;

    case MB_EXT_SUBTITLE:
      if(vd->vd_ext_subtitles != NULL)
         subtitles_destroy(vd->vd_ext_subtitles);

      // Steal subtitle from the media_buf
      vd->vd_ext_subtitles = mb->mb_data;
      mb->mb_data = NULL; 
      video_overlay_flush(vd, 1);
      break;

    default:
      abort();
    }

    hts_mutex_lock(&mp->mp_mutex);
    media_buf_free_locked(mp, mb);
  }

  hts_mutex_unlock(&mp->mp_mutex);

  if(vd->vd_ext_subtitles != NULL)
    subtitles_destroy(vd->vd_ext_subtitles);

  /* Free ffmpeg frame */
  av_free(vd->vd_frame);
  return NULL;
}
예제 #4
0
/**
 * Video decoder thread
 */
static void *
vd_thread(void *aux)
{
  video_decoder_t *vd = aux;
  media_pipe_t *mp = vd->vd_mp;
  media_queue_t *mq = &mp->mp_video;
  media_buf_t *mb;
  media_buf_t *cur = NULL;
  media_codec_t *mc, *mc_current = NULL;
  int run = 1;
  int reqsize = -1;
  int size;
  int reinit = 0;

  const media_buf_meta_t *mbm = NULL;

  vd->vd_frame = av_frame_alloc();

  hts_mutex_lock(&mp->mp_mutex);

  while(run) {

    if(mbm != vd->vd_reorder_current) {
      mbm = vd->vd_reorder_current;
      hts_mutex_unlock(&mp->mp_mutex);

      vd->vd_estimated_duration = mbm->mbm_duration;

      video_decoder_set_current_time(vd, mbm->mbm_pts, mbm->mbm_epoch,
				     mbm->mbm_delta);
      hts_mutex_lock(&mp->mp_mutex);
      continue;
    }

    media_buf_t *ctrl = TAILQ_FIRST(&mq->mq_q_ctrl);
    media_buf_t *data = TAILQ_FIRST(&mq->mq_q_data);
    media_buf_t *aux  = TAILQ_FIRST(&mq->mq_q_aux);

    if(ctrl != NULL) {
      TAILQ_REMOVE(&mq->mq_q_ctrl, ctrl, mb_link);
      mb = ctrl;

    } else if(aux != NULL && aux->mb_pts < vd->vd_subpts + 1000000LL) {

      if(vd->vd_hold) {
	hts_cond_wait(&mq->mq_avail, &mp->mp_mutex);
	continue;
      }

      TAILQ_REMOVE(&mq->mq_q_aux, aux, mb_link);
      mb = aux;

    } else if(cur != NULL) {

      if(vd->vd_hold) {
	hts_cond_wait(&mq->mq_avail, &mp->mp_mutex);
	continue;
      }

      mb = cur;
      goto retry_current;
    } else if(data != NULL) {

      if(vd->vd_hold) {
	hts_cond_wait(&mq->mq_avail, &mp->mp_mutex);
	continue;
      }

      TAILQ_REMOVE(&mq->mq_q_data, data, mb_link);
      mp_check_underrun(mp);
      mb = data;

    } else {
      hts_cond_wait(&mq->mq_avail, &mp->mp_mutex);
      continue;
    }


    mq->mq_packets_current--;
    mp->mp_buffer_current -= mb->mb_size;
    mq_update_stats(mp, mq);

    hts_cond_signal(&mp->mp_backpressure);

  retry_current:
    mc = mb->mb_cw;

    if(mb->mb_data_type == MB_VIDEO && mc->decode_locked != NULL) {

      if(mc != mc_current) {
	if(mc_current != NULL)
	  media_codec_deref(mc_current);

	mc_current = media_codec_ref(mc);
	prop_set_int(mq->mq_prop_too_slow, 0);
      }

      size = mb->mb_size;

      mq->mq_no_data_interest = 1;
      if(mc->decode_locked(mc, vd, mq, mb)) {
        cur = mb;
 	hts_cond_wait(&mq->mq_avail, &mp->mp_mutex);
        continue;
      }
      mq->mq_no_data_interest = 0;
      cur = NULL;

      update_vbitrate(mp, mq, size, vd);
      media_buf_free_locked(mp, mb);
      continue;
    }

    hts_mutex_unlock(&mp->mp_mutex);


    switch(mb->mb_data_type) {
    case MB_CTRL_EXIT:
      run = 0;
      break;

    case MB_CTRL_PAUSE:
      vd->vd_hold = 1;
      break;

    case MB_CTRL_PLAY:
      vd->vd_hold = 0;
      break;

    case MB_CTRL_FLUSH:
      if(cur != NULL) {
        media_buf_free_unlocked(mp, cur);
        mq->mq_no_data_interest = 0;
        cur = NULL;
      }
      vd_init_timings(vd);
      vd->vd_interlaced = 0;

      hts_mutex_lock(&mp->mp_overlay_mutex);
      video_overlay_flush_locked(mp, 1);
      dvdspu_flush_locked(mp);
      hts_mutex_unlock(&mp->mp_overlay_mutex);

      mp->mp_video_frame_deliver(NULL, mp->mp_video_frame_opaque);

      if(mc_current != NULL) {
        mc_current->flush(mc_current, vd);
	media_codec_deref(mc_current);
	mc_current = NULL;
      }

      mp->mp_video_frame_deliver(NULL, mp->mp_video_frame_opaque);
      if(mp->mp_seek_video_done != NULL)
	mp->mp_seek_video_done(mp);
      break;

    case MB_VIDEO:
      if(mc != mc_current) {
	if(mc_current != NULL)
	  media_codec_deref(mc_current);

	mc_current = media_codec_ref(mc);
	prop_set_int(mq->mq_prop_too_slow, 0);
      }

      if(reinit) {
	if(mc->reinit != NULL)
	  mc->reinit(mc);
	reinit = 0;
      }

      size = mb->mb_size;

      mc->decode(mc, vd, mq, mb, reqsize);
      update_vbitrate(mp, mq, size, vd);
      reqsize = -1;
      break;

    case MB_CTRL_REQ_OUTPUT_SIZE:
      reqsize = mb->mb_data32;
      break;

    case MB_CTRL_REINITIALIZE:
      reinit = 1;
      break;

    case MB_CTRL_RECONFIGURE:
      mb->mb_cw->reconfigure(mc, mb->mb_frame_info);
      break;

#if ENABLE_DVD
    case MB_DVD_RESET_SPU:
      hts_mutex_lock(&mp->mp_overlay_mutex);
      vd->vd_spu_curbut = 1;
      dvdspu_flush_locked(mp);
      hts_mutex_unlock(&mp->mp_overlay_mutex);
      break;

    case MB_CTRL_DVD_HILITE:
      vd->vd_spu_curbut = mb->mb_data32;
      vd->vd_spu_repaint = 1;
      break;

    case MB_DVD_PCI:
      memcpy(&vd->vd_pci, mb->mb_data, sizeof(pci_t));
      vd->vd_spu_repaint = 1;
      event_payload_t *ep =
        event_create(EVENT_DVD_PCI, sizeof(event_t) + sizeof(pci_t));
      memcpy(ep->payload, mb->mb_data, sizeof(pci_t));
      mp_enqueue_event(mp, &ep->h);
      event_release(&ep->h);
      break;

    case MB_DVD_CLUT:
      dvdspu_decode_clut(vd->vd_dvd_clut, (void *)mb->mb_data);
      break;

    case MB_DVD_SPU:
      dvdspu_enqueue(mp, mb->mb_data, mb->mb_size, 
		     vd->vd_dvd_clut, 0, 0, mb->mb_pts);
      break;
#endif

    case MB_CTRL_DVD_SPU2:
      dvdspu_enqueue(mp, mb->mb_data+72, mb->mb_size-72,
		     (void *)mb->mb_data,
		     ((const uint32_t *)mb->mb_data)[16],
		     ((const uint32_t *)mb->mb_data)[17],
		     mb->mb_pts);
      break;
      


    case MB_SUBTITLE:
      if(vd->vd_ext_subtitles == NULL && mb->mb_stream == mq->mq_stream2)
	video_overlay_decode(mp, mb);
      break;

    case MB_CTRL_FLUSH_SUBTITLES:
      hts_mutex_lock(&mp->mp_overlay_mutex);
      video_overlay_flush_locked(mp, 1);
      hts_mutex_unlock(&mp->mp_overlay_mutex);
      break;

    case MB_CTRL_EXT_SUBTITLE:
      if(vd->vd_ext_subtitles != NULL)
         subtitles_destroy(vd->vd_ext_subtitles);

      // Steal subtitle from the media_buf
      vd->vd_ext_subtitles = (void *)mb->mb_data;
      mb->mb_data = NULL;
      hts_mutex_lock(&mp->mp_overlay_mutex);
      video_overlay_flush_locked(mp, 1);
      hts_mutex_unlock(&mp->mp_overlay_mutex);
      break;

    default:
      abort();
    }

    hts_mutex_lock(&mp->mp_mutex);
    media_buf_free_locked(mp, mb);
  }

  if(cur != NULL)
    media_buf_free_locked(mp, cur);

  mq->mq_no_data_interest = 0;

  hts_mutex_unlock(&mp->mp_mutex);

  if(mc_current != NULL)
    media_codec_deref(mc_current);

  if(vd->vd_ext_subtitles != NULL)
    subtitles_destroy(vd->vd_ext_subtitles);

  av_frame_free(&vd->vd_frame);
  return NULL;
}