void
MetaDataTest :: testStreamSetMetaData()
{
Helper h;
h.setupWriting("testStreamSetMetaData.mp3",
0, "libmp3lame", 0);
RefPointer<IStream> stream = h.container->getStream(0);
RefPointer<IMetaData> meta = stream->getMetaData();
VS_TUT_ENSURE("got meta data", meta);
meta = IMetaData::make();
if (meta)
{
VS_TUT_ENSURE_EQUALS("", meta->getNumKeys(), 0);
meta->setValue("author", "Art Clarke");
stream->setMetaData(meta.value());
}
meta = stream->getMetaData();
VS_TUT_ENSURE("got meta data", meta);
if (meta)
{
VS_TUT_ENSURE_EQUALS("", meta->getNumKeys(), 1);
const char* value = meta->getValue("author", IMetaData::METADATA_NONE);
VS_TUT_ENSURE("", strcmp("Art Clarke",value)==0);
}
}
void
PropertyTest :: testSetMetaData()
{
LoggerStack stack;
stack.setGlobalLevel(Logger::LEVEL_ERROR, false);
RefPointer<Configurable> c = Demuxer::make();
RefPointer<KeyValueBag> dict = KeyValueBag::make();
RefPointer<KeyValueBag> unset = KeyValueBag::make();
const char* realKey = "packetsize";
const char* fakeKey = "not-a-valid-key-no-way-all-hail-zod";
const char* realValue = "1000";
const char* fakeValue = "1025";
dict->setValue(realKey, realValue);
dict->setValue(fakeKey, fakeValue);
TSM_ASSERT("", dict->getNumKeys() == 2);
TSM_ASSERT("", unset->getNumKeys() == 0);
c->setProperty(dict.value(), unset.value());
TSM_ASSERT("", c->getPropertyAsLong(realKey) == 1000);
// make sure the fake isn't there.
TS_ASSERT_THROWS(c->getPropertyMetaData(fakeKey), PropertyNotFoundException);
// now make sure the returned dictionary only had the fake in it.
TSM_ASSERT("", unset->getNumKeys() == 1);
TSM_ASSERT("", strcmp(unset->getValue(fakeKey, KeyValueBag::KVB_NONE), fakeValue) == 0);
}
void
MetaDataTest :: testCreation()
{
RefPointer<IMetaData> metaData = IMetaData::make();
VS_TUT_ENSURE_EQUALS("should be zero", metaData->getNumKeys(), 0);
metaData->setValue("foo", "bar");
VS_TUT_ENSURE_EQUALS("should be zero", metaData->getNumKeys(), 1);
const char* value = metaData->getValue("foo", IMetaData::METADATA_NONE);
VS_TUT_ENSURE("should be bar", strcmp("bar", value)==0);
VS_TUT_ENSURE("should be empty", !metaData->getValue("none",
IMetaData::METADATA_NONE));
}
void
MediaPictureResamplerTest::writePicture(const char* prefix, int32_t* frameNo,
MediaPicture* picture,
MediaPictureResampler* resampler,
MediaPicture* resampled)
{
char filename[2048];
// resample the image from YUV to RGBA
resampler->resample(resampled, picture);
// write data as PGM file.
snprintf(filename, sizeof(filename), "%s-%06d.png", prefix, *frameNo);
// only write every n'th frame to save disk space
RefPointer<Buffer> buf = resampled->getData(0);
uint8_t* data = (uint8_t*)buf->getBytes(0, buf->getBufferSize());
if (!((*frameNo) % 30)) {
lodepng_encode32_file(filename, data, resampled->getWidth(), resampled->getHeight());
}
(*frameNo)++;
// check the frame metadata
RefPointer<KeyValueBag> md = picture->getMetaData();
if (md) {
int n = md->getNumKeys();
for(int i = 0; i < n; i++) {
const char* key = md->getKey(i);
const char* val = md->getValue(key, KeyValueBag::KVB_NONE);
fprintf(stderr, "%s : %s", key, val);
}
}
}
void
MetaDataTest :: testContainerGetMetaDataIsWriteThrough()
{
Helper h;
h.setupWriting("testContainerSetMetaDataIsWriteThrough.mp3",
0, "libmp3lame", 0);
RefPointer<IMetaData> meta = h.container->getMetaData();
VS_TUT_ENSURE("got meta data", meta);
if (meta)
{
VS_TUT_ENSURE_EQUALS("", meta->getNumKeys(), 0);
meta->setValue("author", "Art Clarke");
}
meta = h.container->getMetaData();
VS_TUT_ENSURE("got meta data", meta);
if (meta)
{
VS_TUT_ENSURE_EQUALS("", meta->getNumKeys(), 1);
const char* value = meta->getValue("author", IMetaData::METADATA_NONE);
VS_TUT_ENSURE("", strcmp("Art Clarke",value)==0);
}
}
void
MetaDataTest :: testContainerGetMetaData()
{
Helper h;
h.setupReading("testfile.mp3");
RefPointer<IMetaData> meta = h.container->getMetaData();
VS_TUT_ENSURE("got meta data", meta);
if (meta) {
int32_t numKeys = meta->getNumKeys();
VS_TUT_ENSURE("should be right", numKeys >= 5);
VS_TUT_ENSURE("should be right", numKeys <= 7);
for(int32_t i = 0; i < numKeys; i++)
{
const char* key = meta->getKey(i);
VS_TUT_ENSURE("should be found", key);
VS_TUT_ENSURE("should be found", *key);
const char* value = meta->getValue(key, IMetaData::METADATA_NONE);
VS_TUT_ENSURE("should be found", value);
VS_TUT_ENSURE("should be found", *value);
}
}
}
void
MetaDataTest :: testFLVContainerGetMetaData()
{
Helper h;
return;
h.setupReading("testfile.flv");
RefPointer<IMetaData> meta = h.container->getMetaData();
VS_TUT_ENSURE("got meta data", meta);
if (meta) {
int32_t numKeys = meta->getNumKeys();
if (numKeys > 0) { // using FFmpeg with a patch for FLV meta-data reading
VS_TUT_ENSURE_EQUALS("should be right", numKeys, 11);
for(int32_t i = 0; i < numKeys; i++)
{
const char* key = meta->getKey(i);
VS_TUT_ENSURE("should be found", key);
VS_TUT_ENSURE("should be found", *key);
const char* value = meta->getValue(key, IMetaData::METADATA_NONE);
VS_TUT_ENSURE("should be found", value);
VS_TUT_ENSURE("should be found", *value);
}
}
}
}
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);
}
