| 77 | } |
| 78 | |
| 79 | int ActiveDecoder::decode_func() |
| 80 | { |
| 81 | if (bDecoderEOS) { |
| 82 | af_usleep(10000); |
| 83 | return 0; |
| 84 | } |
| 85 | int needWait = 0; |
| 86 | int ret; |
| 87 | int64_t pts = INT64_MIN; |
| 88 | while (!mInputQueue.empty() && mOutputQueue.size() < maxOutQueueSize && mRunning) { |
| 89 | needWait = 0; |
| 90 | ret = extract_decoder(); |
| 91 | if (ret == 0) { |
| 92 | needWait++; |
| 93 | } else if (ret < 0) { |
| 94 | AF_LOGW("extract_decoder error %d\n", ret); |
| 95 | enqueueError(ret, pts); |
| 96 | } |
| 97 | |
| 98 | IAFPacket *pPacket = mInputQueue.front(); |
| 99 | if (!pPacket) { |
| 100 | AF_LOGW("get a null packet"); |
| 101 | mInputQueue.pop(); |
| 102 | continue; |
| 103 | } |
| 104 | |
| 105 | pts = pPacket->getInfo().pts; |
| 106 | std::unique_ptr<IAFPacket> packet = std::unique_ptr<IAFPacket>(pPacket); |
| 107 | ret = enqueue_decoder(packet); |
| 108 | |
| 109 | if (ret == -EAGAIN) { |
| 110 | needWait++; |
| 111 | packet.release(); |
| 112 | } else { |
| 113 | mInputQueue.pop(); |
| 114 | if (ret == STATUS_EOS) { |
| 115 | bDecoderEOS = true; |
| 116 | } else if (ret < 0) { |
| 117 | AF_LOGW("enqueue_decoder error %d\n", ret); |
| 118 | enqueueError(ret, pts); |
| 119 | } |
| 120 | } |
| 121 | if (needWait > 1) { |
| 122 | std::unique_lock<std::mutex> locker(mSleepMutex); |
| 123 | mSleepCondition.wait_for(locker, std::chrono::milliseconds(5 * needWait), [this]() { return !mRunning; }); |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | if (bInputEOS && mInputQueue.empty()) { |
| 128 | // TODO: flush once only |
| 129 | if (!bSendEOS2Decoder) { |
| 130 | unique_ptr<IAFPacket> pPacket{}; |
| 131 | ret = enqueue_decoder(pPacket); |
| 132 | |
| 133 | if (ret != -EAGAIN) { |
| 134 | bSendEOS2Decoder = true; |
| 135 | } |
| 136 | |