Esempio n. 1
0
NS_IMETHODIMP
MediaMemoryTracker::CollectReports(nsIHandleReportCallback* aHandleReport,
                                   nsISupports* aData, bool aAnonymize)
{
  int64_t video = 0, audio = 0;

  // NB: When resourceSizes' ref count goes to 0 the promise will report the
  //     resources memory and finish the asynchronous memory report.
  RefPtr<MediaDecoder::ResourceSizes> resourceSizes =
      new MediaDecoder::ResourceSizes(MediaMemoryTracker::MallocSizeOf);

  nsCOMPtr<nsIHandleReportCallback> handleReport = aHandleReport;
  nsCOMPtr<nsISupports> data = aData;

  resourceSizes->Promise()->Then(
      AbstractThread::MainThread(), __func__,
      [handleReport, data] (size_t size) {
        handleReport->Callback(
            EmptyCString(), NS_LITERAL_CSTRING("explicit/media/resources"),
            KIND_HEAP, UNITS_BYTES, size,
            NS_LITERAL_CSTRING("Memory used by media resources including "
                               "streaming buffers, caches, etc."),
            data);

        nsCOMPtr<nsIMemoryReporterManager> imgr =
          do_GetService("@mozilla.org/memory-reporter-manager;1");

        if (imgr) {
          imgr->EndReport();
        }
      },
      [] (size_t) { /* unused reject function */ });

  DecodersArray& decoders = Decoders();
  for (size_t i = 0; i < decoders.Length(); ++i) {
    MediaDecoder* decoder = decoders[i];
    video += decoder->SizeOfVideoQueue();
    audio += decoder->SizeOfAudioQueue();
    decoder->AddSizeOfResources(resourceSizes);
  }

#define REPORT(_path, _amount, _desc)                                         \
  do {                                                                        \
      nsresult rv;                                                            \
      rv = aHandleReport->Callback(EmptyCString(), NS_LITERAL_CSTRING(_path), \
                                   KIND_HEAP, UNITS_BYTES, _amount,           \
                                   NS_LITERAL_CSTRING(_desc), aData);         \
      NS_ENSURE_SUCCESS(rv, rv);                                              \
  } while (0)

  REPORT("explicit/media/decoded/video", video,
         "Memory used by decoded video frames.");

  REPORT("explicit/media/decoded/audio", audio,
         "Memory used by decoded audio chunks.");

#undef REPORT

  return NS_OK;
}
Esempio n. 2
0
void MediaDecoder::DormantTimerExpired(nsITimer* aTimer, void* aClosure)
{
  MOZ_ASSERT(aClosure);
  MediaDecoder* decoder = static_cast<MediaDecoder*>(aClosure);
  ReentrantMonitorAutoEnter mon(decoder->GetReentrantMonitor());
  decoder->UpdateDormantState(true /* aDormantTimeout */,
                              false /* aActivity */);
}
Esempio n. 3
0
void
MediaDecoder::DormantTimerExpired(nsITimer* aTimer, void* aClosure)
{
  MOZ_ASSERT(NS_IsMainThread());
  MOZ_ASSERT(aClosure);
  MediaDecoder* decoder = static_cast<MediaDecoder*>(aClosure);
  decoder->UpdateDormantState(true /* aDormantTimeout */,
                              false /* aActivity */);
}
Esempio n. 4
0
NS_IMETHODIMP
MediaMemoryTracker::CollectReports(nsIHandleReportCallback* aHandleReport,
                                   nsISupports* aData, bool aAnonymize)
{
  // NB: When resourceSizes' ref count goes to 0 the promise will report the
  //     resources memory and finish the asynchronous memory report.
  RefPtr<MediaDecoder::ResourceSizes> resourceSizes =
      new MediaDecoder::ResourceSizes(MediaMemoryTracker::MallocSizeOf);

  nsCOMPtr<nsIHandleReportCallback> handleReport = aHandleReport;
  nsCOMPtr<nsISupports> data = aData;

  resourceSizes->Promise()->Then(
      // Don't use SystemGroup::AbstractMainThreadFor() for
      // handleReport->Callback() will run scripts.
      AbstractThread::MainThread(),
      __func__,
      [handleReport, data] (size_t size) {
        handleReport->Callback(
            EmptyCString(), NS_LITERAL_CSTRING("explicit/media/resources"),
            KIND_HEAP, UNITS_BYTES, size,
            NS_LITERAL_CSTRING("Memory used by media resources including "
                               "streaming buffers, caches, etc."),
            data);

        nsCOMPtr<nsIMemoryReporterManager> imgr =
          do_GetService("@mozilla.org/memory-reporter-manager;1");

        if (imgr) {
          imgr->EndReport();
        }
      },
      [] (size_t) { /* unused reject function */ });

  int64_t video = 0;
  int64_t audio = 0;
  DecodersArray& decoders = Decoders();
  for (size_t i = 0; i < decoders.Length(); ++i) {
    MediaDecoder* decoder = decoders[i];
    video += decoder->SizeOfVideoQueue();
    audio += decoder->SizeOfAudioQueue();
    decoder->AddSizeOfResources(resourceSizes);
  }

  MOZ_COLLECT_REPORT(
    "explicit/media/decoded/video", KIND_HEAP, UNITS_BYTES, video,
    "Memory used by decoded video frames.");

  MOZ_COLLECT_REPORT(
    "explicit/media/decoded/audio", KIND_HEAP, UNITS_BYTES, audio,
    "Memory used by decoded audio chunks.");

  return NS_OK;
}
Esempio n. 5
0
NS_IMETHODIMP
MediaMemoryTracker::CollectReports(nsIHandleReportCallback* aHandleReport,
                                   nsISupports* aData, bool aAnonymize)
{
  int64_t video = 0, audio = 0;
  size_t resources = 0;
  DecodersArray& decoders = Decoders();
  for (size_t i = 0; i < decoders.Length(); ++i) {
    MediaDecoder* decoder = decoders[i];
    video += decoder->SizeOfVideoQueue();
    audio += decoder->SizeOfAudioQueue();

    if (decoder->GetResource()) {
      resources += decoder->GetResource()->SizeOfIncludingThis(MallocSizeOf);
    }
  }

#define REPORT(_path, _amount, _desc)                                         \
  do {                                                                        \
      nsresult rv;                                                            \
      rv = aHandleReport->Callback(EmptyCString(), NS_LITERAL_CSTRING(_path), \
                                   KIND_HEAP, UNITS_BYTES, _amount,           \
                                   NS_LITERAL_CSTRING(_desc), aData);         \
      NS_ENSURE_SUCCESS(rv, rv);                                              \
  } while (0)

  REPORT("explicit/media/decoded/video", video,
         "Memory used by decoded video frames.");

  REPORT("explicit/media/decoded/audio", audio,
         "Memory used by decoded audio chunks.");

  REPORT("explicit/media/resources", resources,
         "Memory used by media resources including streaming buffers, caches, "
         "etc.");

#undef REPORT

  return NS_OK;
}
Esempio n. 6
0
static void ProgressCallback(nsITimer* aTimer, void* aClosure)
{
  MediaDecoder* decoder = static_cast<MediaDecoder*>(aClosure);
  decoder->Progress(true);
}
Esempio n. 7
0
M4Err MediaCodec_Process(GenericCodec *codec, u32 TimeAvailable)
{
	LPAUBUFFER AU;
	Channel *ch;
	char *cu_buf;
	u32 cu_buf_size, mmlevel, deltaTS;
	u32 first, entryTime, now, obj_time;
	MediaDecoder *mdec = (MediaDecoder*)codec->decio;
	M4Err e = M4OK;

	/*if video codec muted don't decode
	if audio codec muted we dispatch to keep sync in place*/
	if (codec->Muted && (codec->type==M4ST_VISUAL) ) return M4OK;

	entryTime = Term_GetTime(codec->odm->term);

	/*fetch next AU in DTS order for this codec*/
	Decoder_GetNextAU(codec, &ch, &AU);
	/*no active channel return*/
	if (!AU || !ch) {
		/*if the codec is in EOS state, assume we're done*/
		if (codec->Status == CODEC_EOS) {
			/*if codec is reordering, try to flush it*/
			if (codec->is_reordering) {
				if ( LockCompositionUnit(codec, codec->last_unit_cts+1, &cu_buf, &cu_buf_size) == M4OutOfMem) 
					return M4OK;
				e = mdec->ProcessData(mdec, NULL, 0, 0, cu_buf, &cu_buf_size, 0, 0);
				if (e==M4OK) e = UnlockCompositionUnit(codec, codec->last_unit_cts+1, cu_buf_size);
			}
			MM_StopCodec(codec);
			if (codec->CB) CB_SetEndOfStream(codec->CB);
		}
		/*if no data, and channel not buffering, ABORT CB buffer (data timeout or EOS not detectable)*/
		else if (ch && !ch->BufferOn) 
			CB_AbortBuffering(codec->CB);
		return M4OK;
	}

	/*get the object time*/
	obj_time = CK_GetTime(codec->ck);
	/*Media Time for media codecs is updated in the CB*/

	if (!codec->CB) {
		Channel_DropAU(ch);
		return M4BadParam;
	}
	
	/*try to refill the full buffer*/
	first = 1;
	while (codec->CB->Capacity > codec->CB->UnitCount) {
		/*set media processing level*/
		mmlevel = MM_LEVEL_NORMAL;
		/*SEEK: if the last frame had the same TS, we are seeking. Ask the codec to drop*/
		if (!ch->skip_sl && codec->last_unit_cts && (codec->last_unit_cts == AU->CTS) && !ch->esd->dependsOnESID) {
			mmlevel = MM_LEVEL_SEEK;
		}
		/*only perform drop in normal playback*/
		else if (codec->CB->Status == CB_PLAY) {
			if (!ch->skip_sl && (AU->CTS < obj_time)) {
				/*extremely late, even if we decode the renderer will drop the frame 
				so set the level to drop*/
				mmlevel = MM_LEVEL_DROP;
			}
			/*we are late according to the media manager*/
			else if (codec->PriorityBoost) {
				mmlevel = MM_LEVEL_VERY_LATE;
			}
			/*otherwise we must have an idea of the load in order to set the right level
			use the composition buffer for that, only on the first frame*/
			else if (first) {
				//if the CB is almost empty set to very late
				if (codec->CB->UnitCount <= codec->CB->Min+1) {
					mmlevel = MM_LEVEL_VERY_LATE;
				} else if (codec->CB->UnitCount * 2 <= codec->CB->Capacity) {
					mmlevel = MM_LEVEL_LATE;
				}
				first = 0;
			}
		}

		/*when using temporal scalability make sure we can decode*/
		if (ch->esd->dependsOnESID && (codec->last_unit_dts > AU->DTS)){
//			printf("SCALABLE STREAM DEAD!!\n");
			goto drop;
		}

		if (ch->skip_sl) {
			if (codec->bytes_per_sec) {
				AU->CTS = codec->last_unit_cts + ch->ts_offset + codec->cur_audio_bytes * 1000 / codec->bytes_per_sec;
			} else if (codec->fps) {
				AU->CTS = codec->last_unit_cts + ch->ts_offset + (u32) (codec->cur_video_frames * 1000 / codec->fps);
			}
		}

		if ( LockCompositionUnit(codec, AU->CTS, &cu_buf, &cu_buf_size) == M4OutOfMem) 
			return M4OK;

		now = Term_GetTime(codec->odm->term);

		e = mdec->ProcessData(mdec, AU->data, AU->dataLength, 
			ch->esd->ESID, cu_buf, &cu_buf_size, AU->PaddingBits, mmlevel);
		now = Term_GetTime(codec->odm->term) - now;

		/*input is too small, resize composition memory*/
		switch (e) {
		case M4BufferTooSmall:
			/*release but no dispatch*/
			UnlockCompositionUnit(codec, AU->CTS, 0);
			if (ResizeCompositionBuffer(codec, cu_buf_size)==M4OK) continue;
			break;
		case M4OK:
			/*in seek don't dispatch any output*/
			if (mmlevel == MM_LEVEL_SEEK) cu_buf_size = 0;
			e = UnlockCompositionUnit(codec, AU->CTS, cu_buf_size);
			codec_update_stats(codec, AU->dataLength, now);
			if (ch->skip_sl) {
				if (codec->bytes_per_sec) {
					codec->cur_audio_bytes += cu_buf_size;
					while (codec->cur_audio_bytes>codec->bytes_per_sec) {
						codec->cur_audio_bytes -= codec->bytes_per_sec;
						codec->last_unit_cts += 1000;
					}
				} else if (codec->fps && cu_buf_size) {
					codec->cur_video_frames += 1;
				}
			}
			break;
		/*this happens a lot when using non-MPEG-4 streams (ex: ffmpeg demuxer)*/
		case M4PackedFrames:
			/*in seek don't dispatch any output*/
			if (mmlevel	== MM_LEVEL_SEEK) cu_buf_size = 0;
			e = UnlockCompositionUnit(codec, AU->CTS, cu_buf_size);

			if (ch->skip_sl) {
				if (codec->bytes_per_sec) {
					codec->cur_audio_bytes += cu_buf_size;
				} else if (codec->fps && cu_buf_size) {
					codec->cur_video_frames += 1;
				}
			} else {
				if (codec->bytes_per_sec) {
					deltaTS = cu_buf_size * 1000 / codec->bytes_per_sec;
				} else if (codec->fps && cu_buf_size) {
					deltaTS = (u32) (1000.0f / codec->fps);
				}
				AU->DTS += deltaTS;
				AU->CTS += deltaTS;
			}
			codec_update_stats(codec, 0, now);
			continue;
		default:
			UnlockCompositionUnit(codec, AU->CTS, 0);
			/*error - if the object is in intitial buffering resume it!!*/
			CB_AbortBuffering(codec->CB);
			break;
		}

		codec->last_unit_dts = AU->DTS;
		/*remember base layer timing*/
		if (!ch->esd->dependsOnESID && !ch->skip_sl) codec->last_unit_cts = AU->CTS;

drop:
		Channel_DropAU(ch);
		if (e) return e;

		/*escape from decoding loop only if above critical limit - this is to avoid starvation on audio*/
		if (codec->CB->UnitCount > codec->CB->Min) {
			now = Term_GetTime(codec->odm->term);
			if (now - entryTime >= TimeAvailable - TIME_CHECK) {
				return M4OK;
			}
		}

		Decoder_GetNextAU(codec, &ch, &AU);
		if (!ch || !AU) return M4OK;
	}
	return M4OK;
}