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Bug 963458 - Change AVC/H.264 encoder configuration for B2G emulator. r=roc

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This commit is contained in:
John Lin 2014-02-18 08:50:08 -05:00
parent ce671d5c45
commit 6b91d77106
1 changed files with 25 additions and 2 deletions
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27
content/media/omx/OMXCodecWrapper.cpp
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@ -8,6 +8,7 @@
#include "TrackEncoder.h"
#include <binder/ProcessState.h>
#include <cutils/properties.h>
#include <media/ICrypto.h>
#include <media/IOMX.h>
#include <OMX_Component.h>
@ -110,6 +111,15 @@ OMXCodecWrapper::Stop()
return result;
}
// Check system property to see if we're running on emulator.
static
bool IsRunningOnEmulator()
{
char qemu[PROPERTY_VALUE_MAX];
property_get("ro.kernel.qemu", qemu, "");
return strncmp(qemu, "1", 1) == 0;
}
nsresult
OMXVideoEncoder::Configure(int aWidth, int aHeight, int aFrameRate)
{
@ -118,6 +128,19 @@ OMXVideoEncoder::Configure(int aWidth, int aHeight, int aFrameRate)
NS_ENSURE_TRUE(aWidth > 0 && aHeight > 0 && aFrameRate > 0,
NS_ERROR_INVALID_ARG);
OMX_VIDEO_AVCLEVELTYPE level = OMX_VIDEO_AVCLevel3;
OMX_VIDEO_CONTROLRATETYPE bitrateMode = OMX_Video_ControlRateConstant;
// Limitation of soft AVC/H.264 encoder running on emulator in stagefright.
static bool emu = IsRunningOnEmulator();
if (emu) {
if (aWidth > 352 || aHeight > 288) {
CODEC_ERROR("SoftAVCEncoder doesn't support resolution larger than CIF");
return NS_ERROR_INVALID_ARG;
}
level = OMX_VIDEO_AVCLevel2;
bitrateMode = OMX_Video_ControlRateVariable;
}
// Set up configuration parameters for AVC/H.264 encoder.
sp<AMessage> format = new AMessage;
// Fixed values
@ -128,8 +151,8 @@ OMXVideoEncoder::Configure(int aWidth, int aHeight, int aFrameRate)
// height is half that of Y
format->setInt32("color-format", OMX_COLOR_FormatYUV420SemiPlanar);
format->setInt32("profile", OMX_VIDEO_AVCProfileBaseline);
format->setInt32("level", OMX_VIDEO_AVCLevel3);
format->setInt32("bitrate-mode", OMX_Video_ControlRateConstant);
format->setInt32("level", level);
format->setInt32("bitrate-mode", bitrateMode);
format->setInt32("store-metadata-in-buffers", 0);
format->setInt32("prepend-sps-pps-to-idr-frames", 0);
// Input values.