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* Copyright (C) 2016 The Android Open Source Project
* 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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
#ifndef OMX_UTILS_H_
#define OMX_UTILS_H_
#include <media/IOMX.h>
/***** DO NOT USE THIS INCLUDE!!! INTERAL ONLY!!! UNLESS YOU RESIDE IN media/libstagefright *****/
// OMXUtils contains omx-specific utility functions for stagefright/omx library
// TODO: move ACodec and OMXClient into this library
namespace android {
template<class T>
static void InitOMXParams(T *params) {
memset(params, 0, sizeof(T));
params->nSize = sizeof(T);
params->nVersion.s.nVersionMajor = 1;
params->nVersion.s.nVersionMinor = 0;
params->nVersion.s.nRevision = 0;
params->nVersion.s.nStep = 0;
status_t StatusFromOMXError(OMX_ERRORTYPE err);
const char *GetComponentRole(bool isEncoder, const char *mime);
status_t SetComponentRole(const sp<IOMXNode> &omxNode, const char *role);
struct DescribeColorFormat2Params;
bool IsFlexibleColorFormat(
const sp<IOMXNode> &omxNode, uint32_t colorFormat,
bool usingNativeBuffers, OMX_U32 *flexibleEquivalent);
bool DescribeDefaultColorFormat(DescribeColorFormat2Params &describeParams);
bool DescribeColorFormat(
const sp<IOMXNode> &omxNode,
DescribeColorFormat2Params &describeParams);
inline static const char *asString(MetadataBufferType i, const char *def = "??") {
using namespace android;
switch (i) {
case kMetadataBufferTypeCameraSource: return "CameraSource";
case kMetadataBufferTypeGrallocSource: return "GrallocSource";
case kMetadataBufferTypeANWBuffer: return "ANWBuffer";
case kMetadataBufferTypeNativeHandleSource: return "NativeHandleSource";
case kMetadataBufferTypeInvalid: return "Invalid";
default: return def;
inline static const char *asString(IOMX::PortMode mode, const char *def = "??") {
using namespace android;
switch (mode) {
case IOMX::kPortModePresetByteBuffer: return "PresetByteBuffer";
case IOMX::kPortModePresetANWBuffer: return "PresetANWBuffer";
case IOMX::kPortModePresetSecureBuffer: return "PresetSecureBuffer";
case IOMX::kPortModeDynamicANWBuffer: return "DynamicANWBuffer";
case IOMX::kPortModeDynamicNativeHandle:return "DynamicNativeHandle";
default: return def;
} // namespace android