/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* VideoDecoderCapabilities implementation */
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#include "sles_allinclusive.h"
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#ifdef ANDROID
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#include "android/VideoCodec_to_android.h"
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#endif
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static XAresult IVideoDecoderCapabilities_GetVideoDecoders(XAVideoDecoderCapabilitiesItf self,
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XAuint32 *pNumDecoders, XAuint32 *pDecoderIds)
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{
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XA_ENTER_INTERFACE
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if (NULL == pNumDecoders) {
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result = XA_RESULT_PARAMETER_INVALID;
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} else {
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if (NULL == pDecoderIds) {
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// If pDecoderIds is NULL, pNumDecoders returns the number of decoders available.
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#ifdef ANDROID
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*pNumDecoders = android::android_videoCodec_getNbDecoders();
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#else
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*pNumDecoders = kMaxVideoDecoders;
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#endif
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} else {
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// If pDecodersIds is non-NULL, as an input pNumDecoders specifies the size of the
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// pDecoderIds array and as an output it specifies the number of decoder IDs available
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// within the pDecoderIds array.
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XAuint32 numDecoders = *pNumDecoders;
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#ifdef ANDROID
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const XAuint32 androidNbDecoders = android::android_videoCodec_getNbDecoders();
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if (androidNbDecoders < numDecoders) {
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*pNumDecoders = numDecoders = androidNbDecoders;
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}
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android::android_videoCodec_getDecoderIds(numDecoders, pDecoderIds);
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#else
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if (kMaxVideoDecoders < numDecoders) {
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*pNumDecoders = numDecoders = kMaxVideoDecoders;
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}
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memcpy(pDecoderIds, VideoDecoderIds, numDecoders * sizeof(XAuint32));
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#endif
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}
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result = XA_RESULT_SUCCESS;
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}
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XA_LEAVE_INTERFACE
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}
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static XAresult IVideoDecoderCapabilities_GetVideoDecoderCapabilities(
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XAVideoDecoderCapabilitiesItf self, XAuint32 decoderId, XAuint32 *pIndex,
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XAVideoCodecDescriptor *pDescriptor)
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{
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XA_ENTER_INTERFACE
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if (NULL == pIndex) {
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result = XA_RESULT_PARAMETER_INVALID;
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} else {
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if (NULL == pDescriptor) {
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// pIndex returns the number of video decoders capability descriptions.
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#ifdef ANDROID
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result = android::android_videoCodec_getProfileLevelCombinationNb(decoderId, pIndex);
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#else
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// Generic implementation has zero profile/level combinations for all codecs,
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// but this is not allowed per spec:
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// "Each decoder must support at least one profile/mode pair
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// and therefore have at least one Codec Descriptor."
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*pIndex = 0;
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SL_LOGE("Generic implementation has no video decoder capabilities");
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result = XA_RESULT_PARAMETER_INVALID;
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#endif
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} else {
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// pIndex is an incrementing value used to enumerate capability descriptions.
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#ifdef ANDROID
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result = android::android_videoCodec_getProfileLevelCombination(decoderId, *pIndex,
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pDescriptor);
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#else
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// For the generic implementation, any index >= 0 is out of range
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#if 1 // not sure if this is needed, it's not being done for the Android case
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pDescriptor->codecId = decoderId;
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#endif
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SL_LOGE("Generic implementation has no video decoder capabilities");
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result = XA_RESULT_PARAMETER_INVALID;
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#endif
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}
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}
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XA_LEAVE_INTERFACE
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}
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static const struct XAVideoDecoderCapabilitiesItf_ IVideoDecoderCapabilities_Itf = {
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IVideoDecoderCapabilities_GetVideoDecoders,
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IVideoDecoderCapabilities_GetVideoDecoderCapabilities
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};
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void IVideoDecoderCapabilities_init(void *self)
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{
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IVideoDecoderCapabilities *thiz = (IVideoDecoderCapabilities *) self;
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thiz->mItf = &IVideoDecoderCapabilities_Itf;
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}
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bool IVideoDecoderCapabilities_expose(void *self)
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{
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#ifdef ANDROID
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// This is an Engine object interface, so we allocate the associated resources every time
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// the interface is exposed on the Engine object and free them when the object is about
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// to be destroyed (see IVideoDecoderCapabilities_deinit), not just once during the
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// lifetime of the process.
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return android::android_videoCodec_expose();
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#else
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return false;
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#endif
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}
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void IVideoDecoderCapabilities_deinit(void *self)
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{
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SL_LOGV("IVideoDecoderCapabilities_deinit()");
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#ifdef ANDROID
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android::android_videoCodec_deinit();
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#endif
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}
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