void PacketTest :: testCopyPacket() { packet = IPacket::make(); VS_TUT_ENSURE("was able to allocate packet", packet); // everything else should be garbage. int64_t position = packet->getPosition(); VS_TUT_ENSURE("position was not set to -1", position == -1); position = 4; packet->setPosition(position); int64_t dts = 28349762; packet->setDts(dts); int64_t pts = 82729373; packet->setPts(pts); RefPointer<IRational> timeBase = IRational::make(3,28972); packet->setTimeBase(timeBase.value()); int32_t streamIndex = 8; packet->setStreamIndex(streamIndex); int64_t duration = 28387728; packet->setDuration(duration); int64_t convergenceDuration = 283; packet->setConvergenceDuration(convergenceDuration); // Now, make a copy RefPointer<IPacket> newPacket = IPacket::make(packet.value(), false); VS_TUT_ENSURE("should not be empty", newPacket); VS_TUT_ENSURE_EQUALS("should equal", position, newPacket->getPosition()); VS_TUT_ENSURE_EQUALS("should equal", pts, newPacket->getPts()); VS_TUT_ENSURE_EQUALS("should equal", dts, newPacket->getDts()); VS_TUT_ENSURE_EQUALS("should equal", streamIndex, newPacket->getStreamIndex()); VS_TUT_ENSURE_EQUALS("should equal", duration, newPacket->getDuration()); VS_TUT_ENSURE_EQUALS("should equal", convergenceDuration, newPacket->getConvergenceDuration()); RefPointer<IRational> newBase = newPacket->getTimeBase(); VS_TUT_ENSURE("should be equal", newBase->compareTo(timeBase.value()) == 0); }
void StreamCoderFaacTest :: testDecodingAndEncodingFaacAudio() { RefPointer<IAudioSamples> samples = 0; RefPointer<IVideoPicture> frame = 0; RefPointer<IRational> num(0); RefPointer<IStreamCoder> ic(0); RefPointer<IStreamCoder> oc(0); RefPointer<ICodec> newcodec; newcodec = ICodec::findEncodingCodecByName("libfaac"); if (!newcodec) { VS_LOG_ERROR("libfaac not supported by this build; ignoring test"); return; } int numSamples = 0; int numPackets = 0; int numFrames = 0; int numKeyFrames = 0; int retval = -1; LoggerStack stack; stack.setGlobalLevel(Logger::LEVEL_WARN, false); // use the 20 second file to make memcheck faster h->setupReading("testfile_videoonly_20sec.flv"); RefPointer<IPacket> packet = IPacket::make(); hw->setupWriting("StreamCoderFaacTest_testDecodingAndEncodingFaacAudio.mov", "mpeg4", "libfaac", "mov"); RefPointer<IPacket> opacket = IPacket::make(); VS_TUT_ENSURE("! opacket", opacket); { // Let's set up audio first. ic = h->coders[h->first_input_audio_stream]; oc = hw->coders[hw->first_output_audio_stream]; // Set the output coder correctly. oc->setSampleRate(ic->getSampleRate()); oc->setChannels(ic->getChannels()); oc->setBitRate(ic->getBitRate()); samples = IAudioSamples::make(1024, ic->getChannels()); VS_TUT_ENSURE("got no samples", samples); retval = ic->open(); VS_TUT_ENSURE("Could not open input coder", retval >= 0); retval = oc->open(); VS_TUT_ENSURE("Could not open output coder", retval >= 0); } { // now, let's set up video. ic = h->coders[h->first_input_video_stream]; oc = hw->coders[hw->first_output_video_stream]; // We're going to set up high quality video oc->setBitRate(720000); oc->setGlobalQuality(0); oc->setFlags(oc->getFlags() | IStreamCoder::FLAG_QSCALE); oc->setPixelType(ic->getPixelType()); oc->setHeight(ic->getHeight()); oc->setWidth(ic->getWidth()); num = IRational::make(1,15); oc->setFrameRate(num.value()); num = ic->getTimeBase(); oc->setTimeBase(num.value()); oc->setNumPicturesInGroupOfPictures( ic->getNumPicturesInGroupOfPictures() ); // Ask the StreamCoder to guess width and height for us frame = IVideoPicture::make( ic->getPixelType(), -1, -1); VS_TUT_ENSURE("got no frame", frame); VS_TUT_ENSURE("should not have width", frame->getWidth() <= 0); VS_TUT_ENSURE("should not have height", frame->getHeight() <= 0); retval = ic->open(); VS_TUT_ENSURE("Could not open input coder", retval >= 0); retval = oc->open(); VS_TUT_ENSURE("Could not open output coder", retval >= 0); } // write header retval = hw->container->writeHeader(); VS_TUT_ENSURE("could not write header", retval >= 0); while (h->container->readNextPacket(packet.value()) == 0) { ic = h->coders[packet->getStreamIndex()]; oc = hw->coders[packet->getStreamIndex()]; if (packet->getStreamIndex() == h->first_input_audio_stream) { int offset = 0; numPackets++; while (offset < packet->getSize()) { retval = ic->decodeAudio( samples.value(), packet.value(), offset); VS_TUT_ENSURE("could not decode any audio", retval > 0); offset += retval; VS_TUT_ENSURE("could not write any samples", samples->getNumSamples() > 0); numSamples += samples->getNumSamples(); // now, write out the packets. unsigned int numSamplesConsumed = 0; do { retval = oc->encodeAudio(opacket.value(), samples.value(), numSamplesConsumed); VS_TUT_ENSURE("Could not encode any audio", retval > 0); numSamplesConsumed += retval; if (opacket->isComplete()) { VS_TUT_ENSURE("could not encode audio", opacket->getSize() > 0); RefPointer<IBuffer> encodedBuffer = opacket->getData(); VS_TUT_ENSURE("no encoded data", encodedBuffer); VS_TUT_ENSURE("less data than there should be", encodedBuffer->getBufferSize() >= opacket->getSize()); retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } } while (numSamplesConsumed < samples->getNumSamples()); } } else if (packet->getStreamIndex() == h->first_input_video_stream) { int offset = 0; numPackets++; VS_LOG_TRACE("packet: pts: %ld; dts: %ld", packet->getPts(), packet->getDts()); while (offset < packet->getSize()) { retval = ic->decodeVideo( frame.value(), packet.value(), offset); VS_TUT_ENSURE("could not decode any video", retval>0); num = ic->getTimeBase(); VS_TUT_ENSURE_DISTANCE("time base changed", num->getDouble(), h->expected_time_base, 0.00001); offset += retval; if (frame->isComplete()) { VS_TUT_ENSURE("should now have a frame width", frame->getWidth() > 0); VS_TUT_ENSURE("should now have a frame height", frame->getHeight() > 0); numFrames++; if (frame->isKeyFrame()) numKeyFrames++; frame->setQuality(0); retval = oc->encodeVideo( opacket.value(), frame.value(), -1); VS_TUT_ENSURE("could not encode video", retval >= 0); VS_TUT_ENSURE("could not encode video", opacket->isComplete()); VS_TUT_ENSURE("could not encode video", opacket->getSize() > 0); RefPointer<IBuffer> encodedBuffer = opacket->getData(); VS_TUT_ENSURE("no encoded data", encodedBuffer); VS_TUT_ENSURE("less data than there should be", encodedBuffer->getBufferSize() >= opacket->getSize()); // now, write the packet to disk. retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } } } } // sigh; it turns out that to flush the encoding buffers you need to // ask the encoder to encode a NULL set of samples. So, let's do that. retval = hw->coders[hw->first_output_audio_stream]->encodeAudio(opacket.value(), 0, 0); VS_TUT_ENSURE("Could not encode any audio", retval >= 0); if (opacket->isComplete()) { retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } retval = hw->coders[hw->first_output_video_stream]->encodeVideo(opacket.value(), 0, 0); VS_TUT_ENSURE("Could not encode any video", retval >= 0); if (opacket->isComplete()) { retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } retval = hw->container->writeTrailer(); VS_TUT_ENSURE("! writeTrailer", retval >= 0); retval = h->coders[h->first_input_audio_stream]->close(); VS_TUT_ENSURE("! close", retval >= 0); retval = h->coders[h->first_input_video_stream]->close(); VS_TUT_ENSURE("! close", retval >= 0); retval = hw->coders[hw->first_output_audio_stream]->close(); VS_TUT_ENSURE("! close", retval >= 0); retval = hw->coders[hw->first_output_video_stream]->close(); VS_TUT_ENSURE("! close", retval >= 0); VS_TUT_ENSURE("could not get any audio packets", numPackets > 0); VS_TUT_ENSURE("could not decode any audio", numSamples > 0); VS_TUT_ENSURE("could not decode any video", numFrames >0); VS_TUT_ENSURE("could not find any key frames", numKeyFrames >0); if (h->expected_packets) VS_TUT_ENSURE_EQUALS("unexpected number of packets", numPackets, 1062); if (h->expected_audio_samples) VS_TUT_ENSURE_EQUALS("unexpected number of audio samples", numSamples, 438912); if (h->expected_video_frames) VS_TUT_ENSURE_EQUALS("unexpected number of video frames", numFrames, 300); if (h->expected_video_key_frames) VS_TUT_ENSURE_EQUALS("unexpected number of video key frames", numKeyFrames, 25); }
void MediaPacketTest::testCopyPacket() { const int32_t size = 512; packet = MediaPacket::make(size); TSM_ASSERT("was able to allocate packet", packet); // everything else should be garbage. int64_t position = packet->getPosition(); TSM_ASSERT("position was not set to -1", position == -1); position = 4; packet->setPosition(position); int64_t dts = 28349762; packet->setDts(dts); int64_t pts = 82729373; packet->setPts(pts); RefPointer<Rational> timeBase = Rational::make(3, 28972); packet->setTimeBase(timeBase.value()); int32_t streamIndex = 8; packet->setStreamIndex(streamIndex); int64_t duration = 28387728; packet->setDuration(duration); int64_t convergenceDuration = 283; packet->setConvergenceDuration(convergenceDuration); // let's get access to the data RefPointer<Buffer> data = packet->getData(); TS_ASSERT_EQUALS(size+16, data->getBufferSize()); TS_ASSERT_EQUALS(size, packet->getSize()); uint8_t* raw = (uint8_t*) data->getBytes(0, size); for (int i = 0; i < size; i++) raw[i] = i % 16; // Now, make a copy bool tests[] = { true, false }; for (size_t i = 0; i < (sizeof(tests) / sizeof(tests[0])); i++) { RefPointer<MediaPacket> newPacket = MediaPacket::make(packet.value(), tests[i]); TSM_ASSERT("should not be empty", newPacket); // let's make sure that when not copying, the data is the same. TSM_ASSERT_EQUALS("should equal", position, newPacket->getPosition()); TSM_ASSERT_EQUALS("should equal", pts, newPacket->getPts()); TSM_ASSERT_EQUALS("should equal", dts, newPacket->getDts()); TSM_ASSERT_EQUALS("should equal", streamIndex, newPacket->getStreamIndex()); TSM_ASSERT_EQUALS("should equal", duration, newPacket->getDuration()); TSM_ASSERT_EQUALS("should equal", convergenceDuration, newPacket->getConvergenceDuration()); RefPointer<Rational> newBase = newPacket->getTimeBase(); TSM_ASSERT("should be equal", newBase->compareTo(timeBase.value()) == 0); RefPointer<Buffer> buf = newPacket->getData(); TS_ASSERT_EQUALS(size, newPacket->getSize()); TS_ASSERT_EQUALS(size+16, buf->getBufferSize()); uint8_t* d = (uint8_t*) buf->getBytes(0, size); if (!tests[i]) { TS_ASSERT_EQUALS(d, raw); } else { TS_ASSERT_DIFFERS(d, raw); } TS_ASSERT(d); for (int j = 0; j < size; j++) { TS_ASSERT_EQUALS(d[j], j % 16); } } }
void StreamCoderX264Test :: testDecodingAndEncodingH264Video() { // This test doesn't pass memcheck but we're disabling for now const char *memcheck = getenv("VS_TEST_MEMCHECK"); if (memcheck) return; return; RefPointer<IAudioSamples> samples = 0; RefPointer<IVideoPicture> frame = 0; RefPointer<IRational> num(0); RefPointer<IStreamCoder> ic(0); RefPointer<IStreamCoder> oc(0); RefPointer<ICodec> newcodec; newcodec = ICodec::findEncodingCodecByName("libx264"); if (!newcodec) // we're probably in a LGPL build, and so we shouldn't run this test return; int numSamples = 0; int numPackets = 0; int numFrames = 0; int numKeyFrames = 0; int retval = -1; LoggerStack stack; stack.setGlobalLevel(Logger::LEVEL_WARN, false); // use the 20 second file to make memcheck faster h->setupReading("testfile_videoonly_20sec.flv"); RefPointer<IPacket> packet = IPacket::make(); hw->setupWriting("StreamCoderX264Test_testDecodingAndEncodingH264Video.mp4", "libx264", "libmp3lame", "mp4"); RefPointer<IPacket> opacket = IPacket::make(); VS_TUT_ENSURE("! opacket", opacket); { // Let's set up audio first. ic = h->coders[h->first_input_audio_stream]; oc = hw->coders[hw->first_output_audio_stream]; // Set the output coder correctly. oc->setSampleRate(ic->getSampleRate()); oc->setChannels(ic->getChannels()); oc->setBitRate(ic->getBitRate()); samples = IAudioSamples::make(1024, ic->getChannels()); VS_TUT_ENSURE("got no samples", samples); retval = ic->open(); VS_TUT_ENSURE("Could not open input coder", retval >= 0); retval = oc->open(); VS_TUT_ENSURE("Could not open output coder", retval >= 0); } { // now, let's set up video. ic = h->coders[h->first_input_video_stream]; oc = hw->coders[hw->first_output_video_stream]; // We're going to set up high quality video oc->setBitRate(720000); oc->setGlobalQuality(0); oc->setFlags(oc->getFlags() | IStreamCoder::FLAG_QSCALE); oc->setPixelType(ic->getPixelType()); oc->setHeight(ic->getHeight()); oc->setWidth(ic->getWidth()); num = IRational::make(1,15); oc->setFrameRate(num.value()); num = ic->getTimeBase(); oc->setTimeBase(num.value()); oc->setNumPicturesInGroupOfPictures( ic->getNumPicturesInGroupOfPictures() ); // Ask the StreamCoder to guess width and height for us frame = IVideoPicture::make( ic->getPixelType(), -1, -1); VS_TUT_ENSURE("got no frame", frame); VS_TUT_ENSURE("should not have width", frame->getWidth() <= 0); VS_TUT_ENSURE("should not have height", frame->getHeight() <= 0); oc->setProperty("coder", "0"); oc->setProperty("flags", "+loop"); oc->setProperty("cmp", "+chroma"); oc->setProperty("partitions", "-parti8x8+parti4x4+partp8x8-partp4x4-partb8x8"); oc->setProperty("me_method", "hex"); oc->setProperty("subq", "3"); oc->setProperty("me_range", "16"); oc->setProperty("g", "250"); oc->setProperty("keyint_min", "25"); oc->setProperty("sc_threshold", "40"); oc->setProperty("i_qfactor", "0.71"); oc->setProperty("b_strategy", "1"); oc->setProperty("qcomp", "0.6"); oc->setProperty("qmin", "10"); oc->setProperty("qmax", "51"); oc->setProperty("qdiff", "4"); oc->setProperty("directpred", "1"); oc->setProperty("flags2", "+fastpskip"); oc->setProperty("cqp", "0"); retval = ic->open(); VS_TUT_ENSURE("Could not open input coder", retval >= 0); retval = oc->open(); if (retval < 0) // this fails on Mac builds return; VS_TUT_ENSURE("Could not open output coder", retval >= 0); } // write header retval = hw->container->writeHeader(); VS_TUT_ENSURE("could not write header", retval >= 0); while (h->container->readNextPacket(packet.value()) == 0) { ic = h->coders[packet->getStreamIndex()]; oc = hw->coders[packet->getStreamIndex()]; if (packet->getStreamIndex() == h->first_input_audio_stream) { int offset = 0; numPackets++; while (offset < packet->getSize()) { retval = ic->decodeAudio( samples.value(), packet.value(), offset); VS_TUT_ENSURE("could not decode any audio", retval > 0); offset += retval; VS_TUT_ENSURE("could not write any samples", samples->getNumSamples() > 0); numSamples += samples->getNumSamples(); // now, write out the packets. unsigned int numSamplesConsumed = 0; do { retval = oc->encodeAudio(opacket.value(), samples.value(), numSamplesConsumed); VS_TUT_ENSURE("Could not encode any audio", retval > 0); numSamplesConsumed += retval; if (opacket->isComplete()) { VS_TUT_ENSURE("could not encode audio", opacket->getSize() > 0); RefPointer<IBuffer> encodedBuffer = opacket->getData(); VS_TUT_ENSURE("no encoded data", encodedBuffer); VS_TUT_ENSURE("less data than there should be", encodedBuffer->getBufferSize() >= opacket->getSize()); retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } } while (numSamplesConsumed < samples->getNumSamples()); } } else if (packet->getStreamIndex() == h->first_input_video_stream) { int offset = 0; numPackets++; VS_LOG_TRACE("packet: pts: %ld; dts: %ld", packet->getPts(), packet->getDts()); while (offset < packet->getSize()) { retval = ic->decodeVideo( frame.value(), packet.value(), offset); VS_TUT_ENSURE("could not decode any video", retval>0); num = ic->getTimeBase(); VS_TUT_ENSURE_DISTANCE("time base changed", num->getDouble(), h->expected_time_base, 0.00001); offset += retval; if (frame->isComplete()) { VS_TUT_ENSURE("should now have a frame width", frame->getWidth() > 0); VS_TUT_ENSURE("should now have a frame height", frame->getHeight() > 0); numFrames++; if (frame->isKeyFrame()) numKeyFrames++; frame->setQuality(0); retval = oc->encodeVideo( opacket.value(), frame.value(), -1); VS_TUT_ENSURE("could not encode video", retval >= 0); if (opacket->isComplete()) { VS_TUT_ENSURE("could not encode video", opacket->isComplete()); VS_TUT_ENSURE("could not encode video", opacket->getSize() > 0); RefPointer<IBuffer> encodedBuffer = opacket->getData(); VS_TUT_ENSURE("no encoded data", encodedBuffer); VS_TUT_ENSURE("less data than there should be", encodedBuffer->getBufferSize() >= opacket->getSize()); // now, write the packet to disk. retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } } } } } // sigh; it turns out that to flush the encoding buffers you need to // ask the encoder to encode a NULL set of samples. So, let's do that. retval = hw->coders[hw->first_output_audio_stream]->encodeAudio(opacket.value(), 0, 0); VS_TUT_ENSURE("Could not encode any audio", retval >= 0); if (opacket->isComplete()) { retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } retval = hw->coders[hw->first_output_video_stream]->encodeVideo(opacket.value(), 0, 0); VS_TUT_ENSURE("Could not encode any video", retval >= 0); if (opacket->isComplete()) { retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } retval = hw->container->writeTrailer(); VS_TUT_ENSURE("! writeTrailer", retval >= 0); retval = h->coders[h->first_input_audio_stream]->close(); VS_TUT_ENSURE("! close", retval >= 0); retval = h->coders[h->first_input_video_stream]->close(); VS_TUT_ENSURE("! close", retval >= 0); retval = hw->coders[hw->first_output_audio_stream]->close(); VS_TUT_ENSURE("! close", retval >= 0); retval = hw->coders[hw->first_output_video_stream]->close(); VS_TUT_ENSURE("! close", retval >= 0); VS_TUT_ENSURE("could not get any audio packets", numPackets > 0); VS_TUT_ENSURE("could not decode any audio", numSamples > 0); VS_TUT_ENSURE("could not decode any video", numFrames >0); VS_TUT_ENSURE("could not find any key frames", numKeyFrames >0); if (h->expected_packets) VS_TUT_ENSURE_EQUALS("unexpected number of packets", numPackets, 1062); if (h->expected_audio_samples) VS_TUT_ENSURE_EQUALS("unexpected number of audio samples", numSamples, 438912); if (h->expected_video_frames) VS_TUT_ENSURE_EQUALS("unexpected number of video frames", numFrames, 300); if (h->expected_video_key_frames) VS_TUT_ENSURE_EQUALS("unexpected number of video key frames", numKeyFrames, 25); }
void StreamCoderTest :: testDecodingAndEncodingFullyInterleavedFile() { RefPointer<IAudioSamples> samples = 0; RefPointer<IVideoPicture> frame = 0; RefPointer<IRational> num(0); RefPointer<IStreamCoder> ic(0); RefPointer<IStreamCoder> oc(0); int numSamples = 0; int numPackets = 0; int numFrames = 0; int numKeyFrames = 0; int retval = -1; h->setupReading(h->SAMPLE_FILE); RefPointer<IPacket> packet = IPacket::make(); hw->setupWriting("StreamCoderTest_6_output.mov", "mpeg4", "libmp3lame", "mov"); RefPointer<IPacket> opacket = IPacket::make(); VS_TUT_ENSURE("! opacket", opacket); RefPointer<IMetaData> inputProps = IMetaData::make(); RefPointer<IMetaData> outputProps = IMetaData::make(); { // Let's set up audio first. ic = h->coders[h->first_input_audio_stream]; oc = hw->coders[hw->first_output_audio_stream]; // Set the output coder correctly. oc->setSampleRate(ic->getSampleRate()); oc->setChannels(ic->getChannels()); // Using the MetaData structure char tmpBuf[1024]; snprintf(tmpBuf, sizeof(tmpBuf), "%d", ic->getBitRate()); inputProps->setValue("b", tmpBuf); const char* invalidKey="kd82jclkjdi2oc001,ss2-948"; const char* invalidValue="c9xu1nxL28fJ9"; inputProps->setValue(invalidKey, invalidValue); samples = IAudioSamples::make(1024, ic->getChannels()); VS_TUT_ENSURE("got no samples", samples); retval = ic->open(0,0); VS_TUT_ENSURE("Could not open input coder", retval >= 0); retval = oc->open(inputProps.value(), outputProps.value()); VS_TUT_ENSURE("Could not open output coder", retval >= 0); // now let's ensure our fake property was not set. VS_TUT_ENSURE("Should only have one unset setting", outputProps->getNumKeys() == 1) VS_TUT_ENSURE("Should have expected value", strcmp(outputProps->getValue(invalidKey, IMetaData::METADATA_NONE), invalidValue)==0); } { // now, let's set up video. ic = h->coders[h->first_input_video_stream]; oc = hw->coders[hw->first_output_video_stream]; // We're going to set up high quality video oc->setBitRate(720000); oc->setGlobalQuality(0); oc->setFlags(oc->getFlags() | IStreamCoder::FLAG_QSCALE); oc->setPixelType(ic->getPixelType()); oc->setHeight(ic->getHeight()); oc->setWidth(ic->getWidth()); num = IRational::make(1,15); oc->setFrameRate(num.value()); num = ic->getTimeBase(); oc->setTimeBase(num.value()); oc->setNumPicturesInGroupOfPictures( ic->getNumPicturesInGroupOfPictures() ); // Ask the StreamCoder to guess width and height for us frame = IVideoPicture::make( ic->getPixelType(), -1, -1); VS_TUT_ENSURE("got no frame", frame); VS_TUT_ENSURE("should not have width", frame->getWidth() <= 0); VS_TUT_ENSURE("should not have height", frame->getHeight() <= 0); retval = ic->open(); VS_TUT_ENSURE("Could not open input coder", retval >= 0); retval = oc->open(); VS_TUT_ENSURE("Could not open output coder", retval >= 0); } // write header retval = hw->container->writeHeader(); VS_TUT_ENSURE("could not write header", retval >= 0); while (h->container->readNextPacket(packet.value()) == 0) { ic = h->coders[packet->getStreamIndex()]; oc = hw->coders[packet->getStreamIndex()]; if (packet->getStreamIndex() == h->first_input_audio_stream) { int offset = 0; numPackets++; while (offset < packet->getSize()) { retval = ic->decodeAudio( samples.value(), packet.value(), offset); VS_TUT_ENSURE("could not decode any audio", retval > 0); offset += retval; VS_TUT_ENSURE("could not write any samples", samples->getNumSamples() > 0); numSamples += samples->getNumSamples(); // now, write out the packets. unsigned int numSamplesConsumed = 0; do { retval = oc->encodeAudio(opacket.value(), samples.value(), numSamplesConsumed); VS_TUT_ENSURE("Could not encode any audio", retval > 0); numSamplesConsumed += retval; if (opacket->isComplete()) { VS_TUT_ENSURE("audio duration not set", opacket->getDuration() > 0); VS_TUT_ENSURE("could not encode audio", opacket->getSize() > 0); RefPointer<IBuffer> encodedBuffer = opacket->getData(); VS_TUT_ENSURE("no encoded data", encodedBuffer); VS_TUT_ENSURE("less data than there should be", encodedBuffer->getBufferSize() >= opacket->getSize()); retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } } while (numSamplesConsumed < samples->getNumSamples()); } } else if (packet->getStreamIndex() == h->first_input_video_stream) { int offset = 0; numPackets++; VS_LOG_TRACE("packet: pts: %ld; dts: %ld", packet->getPts(), packet->getDts()); while (offset < packet->getSize()) { retval = ic->decodeVideo( frame.value(), packet.value(), offset); VS_TUT_ENSURE("could not decode any video", retval>0); num = ic->getTimeBase(); VS_TUT_ENSURE_DISTANCE("time base changed", num->getDouble(), h->expected_time_base, 0.0001); offset += retval; if (frame->isComplete()) { VS_TUT_ENSURE("should now have a frame width", frame->getWidth() > 0); VS_TUT_ENSURE("should now have a frame height", frame->getHeight() > 0); numFrames++; if (frame->isKeyFrame()) numKeyFrames++; frame->setQuality(0); retval = oc->encodeVideo( opacket.value(), frame.value(), -1); VS_TUT_ENSURE("could not encode video", retval >= 0); VS_TUT_ENSURE("could not encode video", opacket->isComplete()); VS_TUT_ENSURE("could not encode video", opacket->getSize() > 0); RefPointer<IBuffer> encodedBuffer = opacket->getData(); VS_TUT_ENSURE("no encoded data", encodedBuffer); VS_TUT_ENSURE("less data than there should be", encodedBuffer->getBufferSize() >= opacket->getSize()); // now, write the packet to disk. retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } } } } // sigh; it turns out that to flush the encoding buffers you need to // ask the encoder to encode a NULL set of samples. So, let's do that. retval = hw->coders[hw->first_output_audio_stream]->encodeAudio(opacket.value(), 0, 0); VS_TUT_ENSURE("Could not encode any audio", retval >= 0); if (opacket->isComplete()) { retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } retval = hw->coders[hw->first_output_video_stream]->encodeVideo(opacket.value(), 0, 0); VS_TUT_ENSURE("Could not encode any video", retval >= 0); if (opacket->isComplete()) { retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } retval = hw->container->writeTrailer(); VS_TUT_ENSURE("! writeTrailer", retval >= 0); retval = h->coders[h->first_input_audio_stream]->close(); VS_TUT_ENSURE("! close", retval >= 0); retval = h->coders[h->first_input_video_stream]->close(); VS_TUT_ENSURE("! close", retval >= 0); retval = hw->coders[hw->first_output_audio_stream]->close(); VS_TUT_ENSURE("! close", retval >= 0); retval = hw->coders[hw->first_output_video_stream]->close(); VS_TUT_ENSURE("! close", retval >= 0); VS_TUT_ENSURE("could not get any audio packets", numPackets > 0); VS_TUT_ENSURE("could not decode any audio", numSamples > 0); VS_TUT_ENSURE("could not decode any video", numFrames >0); VS_TUT_ENSURE("could not find any key frames", numKeyFrames >0); if (h->expected_packets) VS_TUT_ENSURE_EQUALS("unexpected number of packets", numPackets, h->expected_packets); if (h->expected_audio_samples) VS_TUT_ENSURE_EQUALS("unexpected number of audio samples", numSamples, h->expected_audio_samples); if (h->expected_video_frames) VS_TUT_ENSURE_EQUALS("unexpected number of video frames", numFrames, h->expected_video_frames); if (h->expected_video_key_frames) VS_TUT_ENSURE_EQUALS("unexpected number of video key frames", numKeyFrames, h->expected_video_key_frames); }
void MediaPictureResamplerTest::testRescale() { TestData::Fixture* fixture=mFixtures.getFixture("testfile_h264_mp4a_tmcd.mov"); TS_ASSERT(fixture); char filepath[2048]; mFixtures.fillPath(fixture, filepath, sizeof(filepath)); RefPointer<Demuxer> source = Demuxer::make(); source->open(filepath, 0, false, true, 0, 0); int32_t numStreams = source->getNumStreams(); TS_ASSERT_EQUALS(fixture->num_streams, numStreams); int32_t streamToDecode = 0; RefPointer<DemuxerStream> stream = source->getStream(streamToDecode); TS_ASSERT(stream); RefPointer<Decoder> decoder = stream->getDecoder(); TS_ASSERT(decoder); RefPointer<Codec> codec = decoder->getCodec(); TS_ASSERT(codec); TS_ASSERT_EQUALS(Codec::CODEC_ID_H264, codec->getID()); decoder->open(0, 0); TS_ASSERT_EQUALS(PixelFormat::PIX_FMT_YUV420P, decoder->getPixelFormat()); // now, let's start a decoding loop. RefPointer<MediaPacket> packet = MediaPacket::make(); RefPointer<MediaPicture> picture = MediaPicture::make( decoder->getWidth(), decoder->getHeight(), decoder->getPixelFormat()); int32_t rescaleW = decoder->getWidth()/4; int32_t rescaleH = (int32_t)(decoder->getHeight()*5.22); PixelFormat::Type rescaleFmt = PixelFormat::PIX_FMT_RGBA; RefPointer<MediaPicture> rescaled = MediaPicture::make( rescaleW, rescaleH, rescaleFmt); RefPointer<MediaPictureResampler> resampler = MediaPictureResampler::make(rescaled->getWidth(), rescaled->getHeight(), rescaled->getFormat(), picture->getWidth(), picture->getHeight(), picture->getFormat(), 0); resampler->open(); int32_t frameNo = 0; while(source->read(packet.value()) >= 0) { // got a packet; now we try to decode it. if (packet->getStreamIndex() == streamToDecode && packet->isComplete()) { int32_t bytesRead = 0; int32_t byteOffset=0; do { bytesRead = decoder->decodeVideo(picture.value(), packet.value(), byteOffset); if (picture->isComplete()) { writePicture("MediaPictureResamplerTest_testRescaleVideo", &frameNo, picture.value(), resampler.value(), rescaled.value()); } byteOffset += bytesRead; } while(byteOffset < packet->getSize()); // now, handle the case where bytesRead is 0; we need to flush any // cached packets do { decoder->decodeVideo(picture.value(), 0, 0); if (picture->isComplete()) { writePicture("MediaPictureResamplerTest_testRescaleVideo", &frameNo, picture.value(), resampler.value(), rescaled.value()); } } while (picture->isComplete()); } if ((int32_t)(frameNo/30) > 10) // 20 pictures should be enough to see if it's working. break; } source->close(); }
void AudioResamplerTest :: testResamplingAudio() { RefPointer<IAudioResampler> resampler = IAudioResampler::make(2, 1, 44100, 22050); RefPointer<IAudioSamples> samples = 0; RefPointer<IAudioSamples> resamples = 0; int numSamples = 0; int numPackets = 0; int retval = -1; samples = IAudioSamples::make(1024, 1); VS_TUT_ENSURE("got no samples", samples); resamples = IAudioSamples::make(1024, 2); VS_TUT_ENSURE("got no samples", samples); h->setupReading(h->SAMPLE_FILE); RefPointer<IPacket> packet = IPacket::make(); hw->setupWriting("AudioResamplerTest_3_output.flv", 0, "libmp3lame", "flv"); int outStream = hw->first_output_audio_stream; VS_TUT_ENSURE("Could not find an audio stream in the output", outStream >= 0); int inStream = h->first_input_audio_stream; VS_TUT_ENSURE("Could not find an audio stream in the input", inStream >= 0); RefPointer<IStreamCoder> ic = h->coders[inStream]; RefPointer<IStreamCoder> oc = hw->coders[outStream]; RefPointer<IPacket> opacket = IPacket::make(); VS_TUT_ENSURE("! opacket", opacket); // Set the output coder correctly. int outChannels = 2; int outRate = 44100; resampler = IAudioResampler::make(outChannels, ic->getChannels(), outRate, ic->getSampleRate()); oc->setSampleRate(outRate); oc->setChannels(outChannels); oc->setBitRate(ic->getBitRate()); int maxSamples = 10 * ic->getSampleRate(); // 10 seconds retval = ic->open(); VS_TUT_ENSURE("Could not open input coder", retval >= 0); retval = oc->open(); VS_TUT_ENSURE("Could not open output coder", retval >= 0); // write header retval = hw->container->writeHeader(); VS_TUT_ENSURE("could not write header", retval >= 0); while (h->container->readNextPacket(packet.value()) == 0 && numSamples < maxSamples) { if (packet->getStreamIndex() == inStream) { int offset = 0; numPackets++; while (offset < packet->getSize()) { retval = ic->decodeAudio( samples.value(), packet.value(), offset); VS_TUT_ENSURE("could not decode any audio", retval > 0); offset += retval; VS_TUT_ENSURE("could not write any samples", samples->getNumSamples() > 0); numSamples += samples->getNumSamples(); resamples = IAudioSamples::make((samples->getNumSamples()*2),2); // now, resample the audio retval = resampler->resample(resamples.value(), samples.value(), 0); VS_TUT_ENSURE("could not resample", retval > 0); VS_TUT_ENSURE("no resamples", resamples->getNumSamples() > 0); VS_TUT_ENSURE_EQUALS("wrong sample rate", resamples->getSampleRate(), outRate); VS_TUT_ENSURE_EQUALS("wrong channels", resamples->getChannels(), outChannels); // now, write out the packets. unsigned int samplesConsumed = 0; do { retval = oc->encodeAudio(opacket.value(), resamples.value(), samplesConsumed); VS_TUT_ENSURE("Could not encode any audio", retval >= 0); samplesConsumed += (unsigned int)retval; VS_LOG_TRACE("packet: %d; is: %d; os: %d", numPackets, numSamples, samplesConsumed); if (opacket->isComplete()) { VS_TUT_ENSURE("could not encode audio", opacket->getSize() > 0); RefPointer<IBuffer> encodedBuffer = opacket->getData(); VS_TUT_ENSURE("no encoded data", encodedBuffer); VS_TUT_ENSURE("less data than there should be", encodedBuffer->getBufferSize() >= opacket->getSize()); retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } // keep going until we've encoded all samples in this buffer. } while (samplesConsumed < resamples->getNumSamples()); } } } // sigh; it turns out that to flush the encoding buffers you need to // ask the encoder to encode a NULL set of samples. So, let's do that. retval = oc->encodeAudio(opacket.value(), 0, 0); VS_TUT_ENSURE("Could not encode any audio", retval >= 0); if (retval > 0) { retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } retval = hw->container->writeTrailer(); VS_TUT_ENSURE("! writeTrailer", retval >= 0); retval = ic->close(); VS_TUT_ENSURE("! close", retval >= 0); retval = oc->close(); VS_TUT_ENSURE("! close", retval >= 0); VS_TUT_ENSURE("could not get any audio packets", numPackets > 0); VS_TUT_ENSURE("could not decode any audio", numSamples > 0); }
void StreamCoderSpeexTest :: testEncodingSpeexAudio() { // disable because broken on Windows return; RefPointer<IAudioSamples> samples = 0; RefPointer<IAudioSamples> outSamples = 0; RefPointer<IVideoPicture> frame = 0; RefPointer<IRational> num(0); RefPointer<IStreamCoder> ic(0); RefPointer<IStreamCoder> oc(0); RefPointer<IAudioResampler> resampler; int numSamples = 0; int numPackets = 0; int numFrames = 0; int numKeyFrames = 0; int retval = -1; h->setupReading(h->SAMPLE_FILE); RefPointer<IPacket> packet = IPacket::make(); hw->setupWriting("StreamCoderSpeexTest_output.ogg", "libtheora", "libspeex", "ogg"); RefPointer<IPacket> opacket = IPacket::make(); VS_TUT_ENSURE("! opacket", opacket); { // Let's set up audio first. ic = h->coders[h->first_input_audio_stream]; oc = hw->coders[hw->first_output_audio_stream]; // Set the output coder correctly. oc->setSampleRate(16000); oc->setChannels(1); oc->setBitRate(ic->getBitRate()); samples = IAudioSamples::make(1024, ic->getChannels()); VS_TUT_ENSURE("got no samples", samples); outSamples = IAudioSamples::make(1024, 1); VS_TUT_ENSURE("got no samples", outSamples); resampler = IAudioResampler::make(1, ic->getChannels(), 16000, ic->getSampleRate()); retval = ic->open(); VS_TUT_ENSURE("Could not open input coder", retval >= 0); retval = oc->open(); VS_TUT_ENSURE("Could not open output coder", retval >= 0); } { // now, let's set up video. ic = h->coders[h->first_input_video_stream]; oc = hw->coders[hw->first_output_video_stream]; // We're going to set up high quality video oc->setBitRate(720000); oc->setGlobalQuality(0); oc->setFlags(oc->getFlags() | IStreamCoder::FLAG_QSCALE); oc->setPixelType(ic->getPixelType()); oc->setHeight(ic->getHeight()); oc->setWidth(ic->getWidth()); num = IRational::make(1,15); oc->setFrameRate(num.value()); num = ic->getTimeBase(); oc->setTimeBase(num.value()); oc->setNumPicturesInGroupOfPictures( ic->getNumPicturesInGroupOfPictures() ); // Ask the StreamCoder to guess width and height for us frame = IVideoPicture::make( ic->getPixelType(), -1, -1); VS_TUT_ENSURE("got no frame", frame); VS_TUT_ENSURE("should not have width", frame->getWidth() <= 0); VS_TUT_ENSURE("should not have height", frame->getHeight() <= 0); retval = ic->open(); VS_TUT_ENSURE("Could not open input coder", retval >= 0); retval = oc->open(); VS_TUT_ENSURE("Could not open output coder", retval >= 0); } // write header retval = hw->container->writeHeader(); VS_TUT_ENSURE("could not write header", retval >= 0); while (h->container->readNextPacket(packet.value()) == 0) { ic = h->coders[packet->getStreamIndex()]; oc = hw->coders[packet->getStreamIndex()]; if (packet->getStreamIndex() == h->first_input_audio_stream) { int offset = 0; numPackets++; while (offset < packet->getSize()) { retval = ic->decodeAudio( samples.value(), packet.value(), offset); VS_TUT_ENSURE("could not decode any audio", retval > 0); offset += retval; VS_TUT_ENSURE("could not write any samples", samples->getNumSamples() > 0); numSamples += samples->getNumSamples(); retval = resampler->resample(outSamples.value(), samples.value(), samples->getNumSamples()); VS_TUT_ENSURE("Could not resample audio", retval > 0); // now, write out the packets. unsigned int numSamplesConsumed = 0; do { retval = oc->encodeAudio(opacket.value(), outSamples.value(), numSamplesConsumed); VS_TUT_ENSURE("Could not encode any audio", retval > 0); numSamplesConsumed += retval; if (opacket->isComplete()) { VS_TUT_ENSURE("could not encode audio", opacket->getSize() > 0); RefPointer<IBuffer> encodedBuffer = opacket->getData(); VS_TUT_ENSURE("no encoded data", encodedBuffer); VS_TUT_ENSURE("less data than there should be", encodedBuffer->getBufferSize() >= opacket->getSize()); retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } } while (numSamplesConsumed < outSamples->getNumSamples()); } } else if (packet->getStreamIndex() == h->first_input_video_stream) { int offset = 0; numPackets++; VS_LOG_TRACE("packet: pts: %ld; dts: %ld", packet->getPts(), packet->getDts()); while (offset < packet->getSize()) { retval = ic->decodeVideo( frame.value(), packet.value(), offset); VS_TUT_ENSURE("could not decode any video", retval>0); num = ic->getTimeBase(); VS_TUT_ENSURE_EQUALS("time base changed", num->getDouble(), h->expected_time_base); offset += retval; if (frame->isComplete()) { VS_TUT_ENSURE("should now have a frame width", frame->getWidth() > 0); VS_TUT_ENSURE("should now have a frame height", frame->getHeight() > 0); numFrames++; if (frame->isKeyFrame()) numKeyFrames++; frame->setQuality(0); retval = oc->encodeVideo( opacket.value(), frame.value(), -1); VS_TUT_ENSURE("could not encode video", retval >= 0); VS_TUT_ENSURE("could not encode video", opacket->isComplete()); VS_TUT_ENSURE("could not encode video", opacket->getSize() > 0); RefPointer<IBuffer> encodedBuffer = opacket->getData(); VS_TUT_ENSURE("no encoded data", encodedBuffer); VS_TUT_ENSURE("less data than there should be", encodedBuffer->getBufferSize() >= opacket->getSize()); // now, write the packet to disk. retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } } } } // sigh; it turns out that to flush the encoding buffers you need to // ask the encoder to encode a NULL set of samples. So, let's do that. retval = hw->coders[hw->first_output_audio_stream]->encodeAudio(opacket.value(), 0, 0); VS_TUT_ENSURE("Could not encode any audio", retval >= 0); if (opacket->isComplete()) { retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } retval = hw->coders[hw->first_output_video_stream]->encodeVideo(opacket.value(), 0, 0); VS_TUT_ENSURE("Could not encode any video", retval >= 0); if (opacket->isComplete()) { retval = hw->container->writePacket(opacket.value()); VS_TUT_ENSURE("could not write packet", retval >= 0); } retval = hw->container->writeTrailer(); VS_TUT_ENSURE("! writeTrailer", retval >= 0); retval = h->coders[h->first_input_audio_stream]->close(); VS_TUT_ENSURE("! close", retval >= 0); retval = h->coders[h->first_input_video_stream]->close(); VS_TUT_ENSURE("! close", retval >= 0); retval = hw->coders[hw->first_output_audio_stream]->close(); VS_TUT_ENSURE("! close", retval >= 0); retval = hw->coders[hw->first_output_video_stream]->close(); VS_TUT_ENSURE("! close", retval >= 0); VS_TUT_ENSURE("could not get any audio packets", numPackets > 0); VS_TUT_ENSURE("could not decode any audio", numSamples > 0); VS_TUT_ENSURE("could not decode any video", numFrames >0); VS_TUT_ENSURE("could not find any key frames", numKeyFrames >0); if (h->expected_packets) VS_TUT_ENSURE_EQUALS("unexpected number of packets", numPackets, h->expected_packets); if (h->expected_audio_samples) VS_TUT_ENSURE_EQUALS("unexpected number of audio samples", numSamples, h->expected_audio_samples); if (h->expected_video_frames) VS_TUT_ENSURE_EQUALS("unexpected number of video frames", numFrames, h->expected_video_frames); if (h->expected_video_key_frames) VS_TUT_ENSURE_EQUALS("unexpected number of video key frames", numKeyFrames, h->expected_video_key_frames); }
/** * This test will read ironman (FLV, H263 video and mp3 audio) and transcode * to MP4 (H264 Video and aac audio). */ void EncoderTest::testTranscode() { // enable trace logging Logger::setGlobalIsLogging(Logger::LEVEL_TRACE, false); const bool isMemCheck = getenv("VS_TEST_MEMCHECK") ? true : false; LoggerStack stack; stack.setGlobalLevel(Logger::LEVEL_INFO, false); TestData::Fixture* fixture; fixture=mFixtures.getFixture("testfile.flv"); // fixture=mFixtures.getFixture("testfile_h264_mp4a_tmcd.mov"); // fixture=mFixtures.getFixture("bigbuckbunny_h264_aac_5.1.mp4"); TS_ASSERT(fixture); char filepath[2048]; mFixtures.fillPath(fixture, filepath, sizeof(filepath)); RefPointer<Demuxer> source = Demuxer::make(); source->open(filepath, 0, false, true, 0, 0); int32_t numStreams = source->getNumStreams(); TS_ASSERT_EQUALS(fixture->num_streams, numStreams); // Let's create a helper object to help us with decoding typedef struct { MediaDescriptor::Type type; RefPointer<DemuxerStream> stream; RefPointer<Decoder> decoder; RefPointer<MediaSampled> media; } DemuxerStreamHelper; // I know there are only 2 in the input file. DemuxerStreamHelper inputHelpers[10]; for(int32_t i = 0; i < numStreams; i++) { DemuxerStreamHelper* input = &inputHelpers[i]; input->stream = source->getStream(i); input->decoder = input->stream->getDecoder(); if (!input->decoder) // skip break; input->decoder->open(0, 0); input->type = input->decoder->getCodecType(); if (input->type == MediaDescriptor::MEDIA_AUDIO) input->media = MediaAudio::make( input->decoder->getFrameSize(), input->decoder->getSampleRate(), input->decoder->getChannels(), input->decoder->getChannelLayout(), input->decoder->getSampleFormat()); else if (input->type == MediaDescriptor::MEDIA_VIDEO) input->media = MediaPicture::make( input->decoder->getWidth(), input->decoder->getHeight(), input->decoder->getPixelFormat() ); } // now, let's set up our output file. RefPointer<Muxer> muxer = Muxer::make("EncoderTest_testTranscode.mp4", 0, 0); RefPointer<MuxerFormat> format = muxer->getFormat(); // Let's create a helper object to help us with decoding typedef struct { MediaDescriptor::Type type; RefPointer<MuxerStream> stream; RefPointer<MediaResampler> resampler; RefPointer<MediaSampled> media; RefPointer<Encoder> encoder; } MuxerStreamHelper; MuxerStreamHelper outputHelpers[10]; for(int32_t i = 0; i < numStreams; i++) { DemuxerStreamHelper *input = &inputHelpers[i]; MuxerStreamHelper *output = &outputHelpers[i]; if (!input->decoder) // skip break; output->type = input->type; RefPointer<Encoder> encoder; if (output->type == MediaDescriptor::MEDIA_VIDEO) { RefPointer<Codec> codec = Codec::findEncodingCodec(Codec::CODEC_ID_H264); encoder = Encoder::make(codec.value()); // set the encoder properties we need encoder->setWidth(input->decoder->getWidth()); encoder->setHeight(input->decoder->getHeight()); encoder->setPixelFormat(input->decoder->getPixelFormat()); encoder->setProperty("b", (int64_t)400000); // bitrate encoder->setProperty("g", (int64_t) 10); // gop encoder->setProperty("bf", (int64_t)0); // max b frames RefPointer<Rational> tb = Rational::make(1,2997); encoder->setTimeBase(tb.value()); } else if (output->type == MediaDescriptor::MEDIA_AUDIO) { RefPointer<Codec> codec = Codec::findEncodingCodec(Codec::CODEC_ID_AAC); encoder = Encoder::make(codec.value()); // set the encoder properties we need encoder->setSampleRate(input->decoder->getSampleRate()); encoder->setSampleFormat(input->decoder->getSampleFormat()); encoder->setSampleFormat(AudioFormat::SAMPLE_FMT_S16); encoder->setChannelLayout(input->decoder->getChannelLayout()); encoder->setChannels(input->decoder->getChannels()); encoder->setProperty("b", (int64_t)64000); // bitrate RefPointer<Rational> tb = Rational::make(1,encoder->getSampleRate()); encoder->setTimeBase(tb.value()); // //input->decoder->getTimeBase(); // output->encoder->setTimeBase(tb.value()); } output->encoder.reset(encoder.value(), true); if (output->encoder) { if (format->getFlag(MuxerFormat::GLOBAL_HEADER)) output->encoder->setFlag(Encoder::FLAG_GLOBAL_HEADER, true); output->encoder->open(0,0); // sometimes encoders need to change parameters to fit; let's see // if that happened. output->stream = muxer->addNewStream(output->encoder.value()); } output->media = input->media; output->resampler = 0; if (output->type == MediaDescriptor::MEDIA_AUDIO) { // sometimes encoders only accept certain media types and discard // our suggestions. Let's check. if ( output->encoder->getSampleRate() != input->decoder->getSampleRate() || output->encoder->getSampleFormat() != input->decoder->getSampleFormat() || output->encoder->getChannelLayout() != input->decoder->getChannelLayout() || output->encoder->getChannels() != input->decoder->getChannels() ) { // we need a resampler. VS_LOG_DEBUG("Resampling: [%"PRId32", %"PRId32", %"PRId32"] [%"PRId32", %"PRId32", %"PRId32"]", (int32_t)output->encoder->getChannelLayout(), (int32_t)output->encoder->getSampleRate(), (int32_t)output->encoder->getSampleFormat(), (int32_t)input->decoder->getChannelLayout(), (int32_t)input->decoder->getSampleRate(), (int32_t)input->decoder->getSampleFormat() ); RefPointer<MediaAudioResampler> resampler = MediaAudioResampler::make( output->encoder->getChannelLayout(), output->encoder->getSampleRate(), output->encoder->getSampleFormat(), input->decoder->getChannelLayout(), input->decoder->getSampleRate(), input->decoder->getSampleFormat() ); resampler->open(); output->resampler.reset(resampler.value(), true); output->media = MediaAudio::make( output->encoder->getFrameSize(), output->encoder->getSampleRate(), output->encoder->getChannels(), output->encoder->getChannelLayout(), output->encoder->getSampleFormat()); } } } // now we should be ready to open the muxer muxer->open(0, 0); // now, let's start a decoding loop. RefPointer<MediaPacket> packet = MediaPacket::make(); int numPackets = 0; while(source->read(packet.value()) >= 0) { // got a packet; now we try to decode it. if (packet->isComplete()) { int32_t streamNo = packet->getStreamIndex(); DemuxerStreamHelper *input = &inputHelpers[streamNo]; MuxerStreamHelper* output = &outputHelpers[streamNo]; if (input->decoder) decodeAndEncode( packet.value(), input->decoder.value(), input->media.value(), output->resampler.value(), output->media.value(), muxer.value(), output->encoder.value()); ++numPackets; if (isMemCheck && numPackets > 100) { VS_LOG_WARN("Exiting early under valgrind"); break; } } } // now, flush any cached packets for(int i = 0; i < numStreams; i++) { DemuxerStreamHelper *input = &inputHelpers[i]; MuxerStreamHelper* output = &outputHelpers[i]; if (input->decoder) decodeAndEncode( 0, input->decoder.value(), input->media.value(), output->resampler.value(), output->media.value(), muxer.value(), output->encoder.value()); } source->close(); muxer->close(); }