/*Decode routine */
OMX_BOOL Mpeg4Decoder_OMX::Mp4DecodeVideo(OMX_U8* aOutBuffer, OMX_U32* aOutputLength,
OMX_U8** aInputBuf, OMX_U32* aInBufSize,
OMX_PARAM_PORTDEFINITIONTYPE* aPortParam,
OMX_S32* aFrameCount, OMX_BOOL aMarkerFlag, OMX_BOOL *aResizeFlag)
{
OMX_BOOL Status = OMX_TRUE;
OMX_S32 OldWidth, OldHeight, OldFrameSize;
OldWidth = aPortParam->format.video.nFrameWidth;
OldHeight = aPortParam->format.video.nFrameHeight;
*aResizeFlag = OMX_FALSE;
#ifdef _DEBUG
static OMX_U32 FrameCount = 0;
#endif
uint32 UseExtTimestamp = 0;
uint32 TimeStamp;
//OMX_S32 MaxSize = BIT_BUFF_SIZE;
OMX_S32 FrameSize, InputSize, InitSize;
OMX_U8* pTempFrame, *pSrc[3];
if (Mpeg4InitCompleteFlag == OMX_FALSE)
{
if (!aMarkerFlag)
{
InitSize = GetVideoHeader(0, *aInputBuf, *aInBufSize);
}
else
{
InitSize = *aInBufSize;
}
if (PV_TRUE != InitializeVideoDecode(&iDisplay_Width, &iDisplay_Height,
aInputBuf, (OMX_S32*)aInBufSize, MPEG4_MODE))
return OMX_FALSE;
Mpeg4InitCompleteFlag = OMX_TRUE;
aPortParam->format.video.nFrameWidth = iDisplay_Width;
aPortParam->format.video.nFrameHeight = iDisplay_Height;
OMX_U32 min_stride = ((aPortParam->format.video.nFrameWidth + 15) & (~15));
OMX_U32 min_sliceheight = ((aPortParam->format.video.nFrameHeight + 15) & (~15));
aPortParam->format.video.nStride = min_stride;
aPortParam->format.video.nSliceHeight = min_sliceheight;
// finally, compute the new minimum buffer size.
// Decoder components always output YUV420 format
aPortParam->nBufferSize = (aPortParam->format.video.nSliceHeight * aPortParam->format.video.nStride * 3) >> 1;
if ((iDisplay_Width != OldWidth) || (iDisplay_Height != OldHeight))
*aResizeFlag = OMX_TRUE;
*aFrameCount = 1;
*aInBufSize -= InitSize;
return OMX_TRUE;
}
//MaxSize = *aInBufSize;
if ((*(OMX_S32*)aInBufSize) <= 0)
{
return OMX_FALSE;
}
TimeStamp = 0xFFFFFFFF;
InputSize = *aInBufSize;
// in case of H263, read the 1st frame to find out the sizes (use the m4v_config)
if ((0 == *aFrameCount) && (H263_MODE == CodecMode))
{
int32 aligned_width, aligned_height;
int32 display_width, display_height;
if (iGetM4VConfigInfo(*aInputBuf, *aInBufSize, &aligned_width, &aligned_height, &display_width, &display_height))
{
return OMX_FALSE;
}
iDisplay_Width = display_width;
iDisplay_Height = display_height;
aPortParam->format.video.nFrameWidth = iDisplay_Width; // use non 16byte aligned values (display_width) for H263
aPortParam->format.video.nFrameHeight = iDisplay_Height; // like in the case of M4V (PVGetVideoDimensions also returns display_width/height)
OMX_U32 min_stride = ((aPortParam->format.video.nFrameWidth + 15) & (~15));
OMX_U32 min_sliceheight = ((aPortParam->format.video.nFrameHeight + 15) & (~15));
aPortParam->format.video.nStride = min_stride;
aPortParam->format.video.nSliceHeight = min_sliceheight;
// finally, compute the new minimum buffer size.
// Decoder components always output YUV420 format
aPortParam->nBufferSize = (aPortParam->format.video.nSliceHeight * aPortParam->format.video.nStride * 3) >> 1;
if ((iDisplay_Width != OldWidth) || (iDisplay_Height != OldHeight))
*aResizeFlag = OMX_TRUE;
*aFrameCount = 1;
return OMX_TRUE;
}
/*Decode routine */
OMX_BOOL Mpeg4Decoder_OMX::Mp4DecodeVideo(OMX_BUFFERHEADERTYPE* aOutBuffer, OMX_U32* aOutputLength,
OMX_U8** aInputBuf, OMX_U32* aInBufSize,
OMX_PARAM_PORTDEFINITIONTYPE* aPortParam, OMX_BOOL aDeBlocking,
OMX_S32* aFrameCount, OMX_BOOL aMarkerFlag, OMX_BOOL *aResizeFlag)
{
OMX_BOOL Status = OMX_TRUE;
OMX_S32 OldWidth, OldHeight;
OldWidth = aPortParam->format.video.nFrameWidth;
OldHeight = aPortParam->format.video.nFrameHeight;
*aResizeFlag = OMX_FALSE;
#ifdef _DEBUG
static OMX_U32 FrameCount = 0;
#endif
uint UseExtTimestamp = 0;
uint32 TimeStamp;
OMX_S32 InputSize, InitSize;
if ((Mpeg4InitCompleteFlag == OMX_FALSE) && (MPEG4_MODE == CodecMode))
{
if (!aMarkerFlag)
{
InitSize = GetVideoHeader(0, *aInputBuf, *aInBufSize);
}
else
{
InitSize = *aInBufSize;
}
if (PV_TRUE != InitializeVideoDecode(&iDisplay_Width, &iDisplay_Height,
aInputBuf, (OMX_S32*)aInBufSize, MPEG4_MODE, aDeBlocking))
return OMX_FALSE;
Mpeg4InitCompleteFlag = OMX_TRUE;
if (CodecMode == H263_MODE)
{
/* SVH mode is activated inside the decoder.
** Reset The init flag to get the width/height next frame.
*/
Mpeg4InitCompleteFlag = OMX_FALSE;
*aInBufSize -= InitSize;
return OMX_TRUE;
}
aPortParam->format.video.nFrameWidth = iDisplay_Width;
aPortParam->format.video.nFrameHeight = iDisplay_Height;
OMX_U32 min_stride = ((aPortParam->format.video.nFrameWidth + 15) & (~15));
OMX_U32 min_sliceheight = ((aPortParam->format.video.nFrameHeight + 15) & (~15));
aPortParam->format.video.nStride = min_stride;
aPortParam->format.video.nSliceHeight = min_sliceheight;
// finally, compute the new minimum buffer size.
// Decoder components always output YUV420 format
aPortParam->nBufferSize = (aPortParam->format.video.nSliceHeight * aPortParam->format.video.nStride * 3) >> 1;
iFrameSize = (aPortParam->format.video.nSliceHeight * aPortParam->format.video.nStride);
// normally - in case of mp4 - the config parser will read the vol header ahead of time
// and set the port values - so there'll be no port reconfig - but just in case ...
CheckPortReConfig(aOutBuffer, OldWidth, OldHeight, aResizeFlag, aFrameCount);
*aInBufSize -= InitSize;
return OMX_TRUE;
}
if ((*(OMX_S32*)aInBufSize) <= 0)
{
return OMX_FALSE;
}
TimeStamp = 0xFFFFFFFF;
InputSize = *aInBufSize;
// in case of H263, read the 1st frame to find out the sizes (use the m4v_config)
if ((OMX_FALSE == Mpeg4InitCompleteFlag) && (H263_MODE == CodecMode))
{
int32 aligned_width, aligned_height;
int32 display_width, display_height;
if (iGetM4VConfigInfo(*aInputBuf, *aInBufSize, &aligned_width, &aligned_height, &display_width, &display_height))
{
return OMX_FALSE;
}
Mpeg4InitCompleteFlag = OMX_TRUE;
iDisplay_Width = display_width;
iDisplay_Height = display_height;
aPortParam->format.video.nFrameWidth = iDisplay_Width; // use non 16byte aligned values (display_width) for H263
aPortParam->format.video.nFrameHeight = iDisplay_Height; // like in the case of M4V (PVGetVideoDimensions also returns display_width/height)
OMX_U32 min_stride = ((aPortParam->format.video.nFrameWidth + 15) & (~15));
OMX_U32 min_sliceheight = ((aPortParam->format.video.nFrameHeight + 15) & (~15));
aPortParam->format.video.nStride = min_stride;
aPortParam->format.video.nSliceHeight = min_sliceheight;
// finally, compute the new minimum buffer size.
// Decoder components always output YUV420 format
aPortParam->nBufferSize = (aPortParam->format.video.nSliceHeight * aPortParam->format.video.nStride * 3) >> 1;
iFrameSize = (aPortParam->format.video.nSliceHeight * aPortParam->format.video.nStride);
// in case of h263 - port reconfig is pretty common - we'll alos have to do SetReferenceYUV later
CheckPortReConfig(aOutBuffer, OldWidth, OldHeight, aResizeFlag, aFrameCount);
return OMX_TRUE;
}
