omx-component: Enabling MPEG2 hardware decoding

OMX implementation.

Change-Id: I51013f784f36299c121ea266d8b0d492a9f56901
Signed-off-by: Yuanjun Huang <yuanjun.huang@intel.com>

1 files changed, 160 insertions, 0 deletions

diff --git a/videocodec/OMXVideoDecoderMPEG2.cpp b/videocodec/OMXVideoDecoderMPEG2.cpp
new file mode 100644
index 0000000..e3c53b5
--- /dev/null
+++ b/videocodec/OMXVideoDecoderMPEG2.cpp
@@ -0,0 +1,160 @@
+/*
+* Copyright (c) 2009-2011 Intel Corporation.  All rights reserved.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+
+// #define LOG_NDEBUG 0
+#define LOG_TAG "OMXVideoDecoder"
+#include <wrs_omxil_core/log.h>
+#include "OMXVideoDecoderMPEG2.h"
+
+// Be sure to have an equal string in VideoDecoderHost.cpp (libmix)
+static const char* MPEG2_MIME_TYPE = "video/mpeg2";
+
+OMXVideoDecoderMPEG2::OMXVideoDecoderMPEG2() {
+    LOGV("OMXVideoDecoderMPEG2 is constructed.");
+    mVideoDecoder = createVideoDecoder(MPEG2_MIME_TYPE);
+    if (!mVideoDecoder) {
+        LOGE("createVideoDecoder failed for \"%s\"", MPEG2_MIME_TYPE);
+    }
+    mNativeBufferCount = OUTPORT_NATIVE_BUFFER_COUNT;
+    BuildHandlerList();
+}
+
+OMXVideoDecoderMPEG2::~OMXVideoDecoderMPEG2() {
+    LOGV("OMXVideoDecoderMPEG2 is destructed.");
+}
+
+OMX_ERRORTYPE OMXVideoDecoderMPEG2::InitInputPortFormatSpecific(OMX_PARAM_PORTDEFINITIONTYPE *paramPortDefinitionInput) {
+    // OMX_PARAM_PORTDEFINITIONTYPE
+    paramPortDefinitionInput->nBufferCountActual = INPORT_ACTUAL_BUFFER_COUNT;
+    paramPortDefinitionInput->nBufferCountMin = INPORT_MIN_BUFFER_COUNT;
+    paramPortDefinitionInput->nBufferSize = INPORT_BUFFER_SIZE;
+    paramPortDefinitionInput->format.video.cMIMEType = (OMX_STRING)MPEG2_MIME_TYPE;
+    paramPortDefinitionInput->format.video.eCompressionFormat = OMX_VIDEO_CodingMPEG2;
+
+    // OMX_VIDEO_PARAM_MPEG2TYPE
+    memset(&mParamMpeg2, 0, sizeof(mParamMpeg2));
+    SetTypeHeader(&mParamMpeg2, sizeof(mParamMpeg2));
+    mParamMpeg2.nPortIndex = INPORT_INDEX;
+    // TODO: check eProfile/eLevel
+    mParamMpeg2.eProfile = OMX_VIDEO_MPEG2ProfileSimple; //OMX_VIDEO_MPEG2ProfileSimple;
+    mParamMpeg2.eLevel = OMX_VIDEO_MPEG2LevelLL;
+
+    return OMX_ErrorNone;
+}
+
+OMX_ERRORTYPE OMXVideoDecoderMPEG2::ProcessorInit(void) {
+    return OMXVideoDecoderBase::ProcessorInit();
+}
+
+OMX_ERRORTYPE OMXVideoDecoderMPEG2::ProcessorDeinit(void) {
+    return OMXVideoDecoderBase::ProcessorDeinit();
+}
+
+OMX_ERRORTYPE OMXVideoDecoderMPEG2::ProcessorProcess(
+        OMX_BUFFERHEADERTYPE ***pBuffers,
+        buffer_retain_t *retains,
+        OMX_U32 numberBuffers) {
+
+    return OMXVideoDecoderBase::ProcessorProcess(pBuffers, retains, numberBuffers);
+}
+
+OMX_ERRORTYPE OMXVideoDecoderMPEG2::PrepareConfigBuffer(VideoConfigBuffer *p) {
+    return OMXVideoDecoderBase::PrepareConfigBuffer(p);
+}
+
+OMX_ERRORTYPE OMXVideoDecoderMPEG2::PrepareDecodeBuffer(OMX_BUFFERHEADERTYPE *buffer, buffer_retain_t *retain, VideoDecodeBuffer *p) {
+    return OMXVideoDecoderBase::PrepareDecodeBuffer(buffer, retain, p);
+}
+
+OMX_ERRORTYPE OMXVideoDecoderMPEG2::BuildHandlerList(void) {
+    OMXVideoDecoderBase::BuildHandlerList();
+    AddHandler(OMX_IndexParamVideoMpeg2, GetParamVideoMpeg2, SetParamVideoMpeg2);
+    AddHandler(OMX_IndexParamVideoProfileLevelQuerySupported, GetParamVideoMpeg2ProfileLevel, SetParamVideoMpeg2ProfileLevel);
+    return OMX_ErrorNone;
+}
+
+OMX_ERRORTYPE OMXVideoDecoderMPEG2::GetParamVideoMpeg2(OMX_PTR pStructure) {
+    OMX_ERRORTYPE ret;
+    OMX_VIDEO_PARAM_MPEG2TYPE *p = (OMX_VIDEO_PARAM_MPEG2TYPE *)pStructure;
+    CHECK_TYPE_HEADER(p);
+    CHECK_PORT_INDEX(p, INPORT_INDEX);
+
+    memcpy(p, &mParamMpeg2, sizeof(*p));
+    return OMX_ErrorNone;
+}
+
+OMX_ERRORTYPE OMXVideoDecoderMPEG2::SetParamVideoMpeg2(OMX_PTR pStructure) {
+    OMX_ERRORTYPE ret;
+    OMX_VIDEO_PARAM_MPEG2TYPE *p = (OMX_VIDEO_PARAM_MPEG2TYPE *)pStructure;
+    CHECK_TYPE_HEADER(p);
+    CHECK_PORT_INDEX(p, INPORT_INDEX);
+    CHECK_SET_PARAM_STATE();
+
+    // TODO: do we need to check if port is enabled?
+    // TODO: see SetPortMpeg2Param implementation - Can we make simple copy????
+    memcpy(&mParamMpeg2, p, sizeof(mParamMpeg2));
+    return OMX_ErrorNone;
+}
+
+OMX_ERRORTYPE OMXVideoDecoderMPEG2::GetParamVideoMpeg2ProfileLevel(OMX_PTR pStructure) {
+    OMX_ERRORTYPE ret;
+    OMX_VIDEO_PARAM_PROFILELEVELTYPE *p = (OMX_VIDEO_PARAM_PROFILELEVELTYPE *)pStructure;
+    CHECK_TYPE_HEADER(p);
+
+    struct ProfileLevelTable {
+        OMX_U32 profile;
+        OMX_U32 level;
+    } plTable[] = {
+        {OMX_VIDEO_MPEG2ProfileSimple, OMX_VIDEO_MPEG2LevelML},
+        {OMX_VIDEO_MPEG2ProfileMain, OMX_VIDEO_MPEG2LevelHL}
+    };
+
+    OMX_U32 count = sizeof(plTable)/sizeof(ProfileLevelTable);
+    CHECK_ENUMERATION_RANGE(p->nProfileIndex,count);
+
+    p->eProfile = plTable[p->nProfileIndex].profile;
+    p->eLevel = plTable[p->nProfileIndex].level;
+
+    return OMX_ErrorNone;
+}
+
+OMX_ERRORTYPE OMXVideoDecoderMPEG2::SetParamVideoMpeg2ProfileLevel(OMX_PTR) {
+    LOGW("SetParamVideoMpeg2ProfileLevel is not supported.");
+    return OMX_ErrorUnsupportedSetting;
+}
+
+OMX_COLOR_FORMATTYPE OMXVideoDecoderMPEG2::GetOutputColorFormat(int width)
+{
+#ifdef USE_GEN_HW
+    return (OMX_COLOR_FORMATTYPE)HAL_PIXEL_FORMAT_NV12_X_TILED_INTEL;
+#else
+    return OMXVideoDecoderBase::GetOutputColorFormat(width);
+#endif
+}
+
+OMX_ERRORTYPE OMXVideoDecoderMPEG2::SetMaxOutputBufferCount(OMX_PARAM_PORTDEFINITIONTYPE *p) {
+    OMX_ERRORTYPE ret;
+    CHECK_TYPE_HEADER(p);
+    CHECK_PORT_INDEX(p, OUTPORT_INDEX);
+
+    p->nBufferCountActual = OUTPORT_NATIVE_BUFFER_COUNT;
+    return OMXVideoDecoderBase::SetMaxOutputBufferCount(p);
+}
+
+DECLARE_OMX_COMPONENT("OMX.Intel.VideoDecoder.MPEG2", "video_decoder.mpeg2", OMXVideoDecoderMPEG2);
+
+