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Bug 797225 - Part 2: Use software decoder for color formats we don't know how to convert. r=doublec

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--HG--
extra : rebase_source : c9eaa385d187682bc31191ce091d8bbadb4e2a0a
This commit is contained in:
Chris Peterson 2012-08-22 18:29:58 -07:00
parent 7ea3598b93
commit 449376f0dd
1 changed files with 52 additions and 9 deletions
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61
media/omx-plugin/OmxPlugin.cpp
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@ -242,7 +242,7 @@ static sp<IOMX> GetOMX() {
}
#endif
static uint32_t GetVideoCreationFlags(PluginHost* pluginHost)
static uint32_t GetVideoCreationFlags(PluginHost* aPluginHost)
{
#ifdef MOZ_WIDGET_GONK
// Flag value of zero means return a hardware or software decoder
@ -256,7 +256,7 @@ static uint32_t GetVideoCreationFlags(PluginHost* pluginHost)
// 8 = Force software decoding
// 16 = Force hardware decoding
int32_t flags = 0;
pluginHost->GetIntPref("media.stagefright.omxcodec.flags", &flags);
aPluginHost->GetIntPref("media.stagefright.omxcodec.flags", &flags);
if (flags != 0) {
LOG("media.stagefright.omxcodec.flags=%d", flags);
if ((flags & OMXCodec::kHardwareCodecsOnly) != 0) {
@ -269,6 +269,55 @@ static uint32_t GetVideoCreationFlags(PluginHost* pluginHost)
#endif
}
static sp<MediaSource> CreateVideoSource(PluginHost* aPluginHost,
const sp<IOMX>& aOmx,
const sp<MediaSource>& aVideoTrack)
{
uint32_t flags = GetVideoCreationFlags(aPluginHost);
if (flags == 0) {
// Let Stagefright choose hardware or software decoder.
sp<MediaSource> videoSource = OMXCodec::Create(aOmx, aVideoTrack->getFormat(),
false, aVideoTrack, NULL, 0);
if (videoSource == NULL)
return NULL;
// Now that OMXCodec has parsed the video's AVCDecoderConfigurationRecord,
// check whether we know how to decode this video.
int32_t videoColorFormat;
if (videoSource->getFormat()->findInt32(kKeyColorFormat, &videoColorFormat)) {
switch (videoColorFormat) {
// We know how to convert these color formats.
case OMX_COLOR_FormatCbYCrY:
case OMX_COLOR_FormatYUV420Planar:
case OMX_COLOR_FormatYUV420SemiPlanar:
case OMX_QCOM_COLOR_FormatYVU420PackedSemiPlanar32m4ka:
case OMX_QCOM_COLOR_FormatYVU420SemiPlanar:
case OMX_TI_COLOR_FormatYUV420PackedSemiPlanar:
// Use the decoder Stagefright chose for us!
return videoSource;
// Use software decoder for color formats we don't know how to convert.
default:
// We need to implement a ToVideoFrame_*() color conversion
// function for this video color format.
LOG("Unknown video color format: %#x", videoColorFormat);
break;
}
} else {
LOG("Video color format not found");
}
// Throw away the videoSource and try again with new flags.
LOG("Falling back to software decoder");
videoSource.clear();
flags = OMXCodec::kSoftwareCodecsOnly;
}
MOZ_ASSERT(flags != 0);
return OMXCodec::Create(aOmx, aVideoTrack->getFormat(), false, aVideoTrack,
NULL, flags);
}
bool OmxDecoder::Init() {
//register sniffers, if they are not registered in this process.
DataSource::RegisterDefaultSniffers();
@ -330,13 +379,7 @@ bool OmxDecoder::Init() {
sp<MediaSource> videoTrack;
sp<MediaSource> videoSource;
if (videoTrackIndex != -1 && (videoTrack = extractor->getTrack(videoTrackIndex)) != NULL) {
uint32_t flags = GetVideoCreationFlags(mPluginHost);
videoSource = OMXCodec::Create(omx,
videoTrack->getFormat(),
false, // decoder
videoTrack,
NULL,
flags);
videoSource = CreateVideoSource(mPluginHost, omx, videoTrack);
if (videoSource == NULL) {
LOG("OMXCodec failed to initialize video decoder for \"%s\"", videoMime);
return false;