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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "webkit/glue/plugins/pepper_video_decoder.h"
#include "base/logging.h"
#include "ppapi/c/dev/pp_video_dev.h"
#include "ppapi/c/dev/ppb_video_decoder_dev.h"
#include "ppapi/c/pp_completion_callback.h"
#include "ppapi/c/pp_errors.h"
#include "webkit/glue/plugins/pepper_common.h"
#include "webkit/glue/plugins/pepper_file_ref.h"
#include "webkit/glue/plugins/pepper_plugin_instance.h"
#include "webkit/glue/plugins/pepper_resource_tracker.h"
namespace pepper {
namespace {
PP_Bool GetConfig(PP_Instance instance_id,
PP_VideoCodecId_Dev codec,
PP_VideoConfig_Dev* configs,
int32_t config_size,
int32_t *num_config) {
PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id);
*num_config = 0;
if (!instance)
return PP_FALSE;
// Get configs based on codec.
if (configs) {
// Fill in the array of configs.
}
// Update *num_config.
return PP_TRUE;
}
PP_Resource Create(PP_Instance instance_id,
const PP_VideoDecoderConfig_Dev* decoder_config) {
PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id);
if (!instance)
return 0;
scoped_refptr<VideoDecoder> decoder(new VideoDecoder(instance));
if (!decoder->Init(*decoder_config))
return 0;
return decoder->GetReference();
}
PP_Bool Decode(PP_Resource decoder_id,
PP_VideoCompressedDataBuffer_Dev* input_buffer) {
scoped_refptr<VideoDecoder> decoder(
Resource::GetAs<VideoDecoder>(decoder_id));
if (!decoder)
return PP_FALSE;
decoder->Decode(*input_buffer);
return PP_TRUE;
}
int32_t Flush(PP_Resource decoder_id, PP_CompletionCallback callback) {
scoped_refptr<VideoDecoder> decoder(
Resource::GetAs<VideoDecoder>(decoder_id));
if (!decoder)
return PP_ERROR_BADRESOURCE;
return decoder->Flush(callback);
}
PP_Bool ReturnUncompressedDataBuffer(PP_Resource decoder_id,
PP_VideoUncompressedDataBuffer_Dev* buffer) {
scoped_refptr<VideoDecoder> decoder(
Resource::GetAs<VideoDecoder>(decoder_id));
if (!decoder)
return PP_FALSE;
return BoolToPPBool(decoder->ReturnUncompressedDataBuffer(*buffer));
}
const PPB_VideoDecoder_Dev ppb_videodecoder = {
&GetConfig,
&Create,
&Decode,
&Flush,
&ReturnUncompressedDataBuffer
};
} // namespace
VideoDecoder::VideoDecoder(PluginInstance* instance)
: Resource(instance->module()),
instance_(instance) {
}
VideoDecoder::~VideoDecoder() {
}
// static
const PPB_VideoDecoder_Dev* VideoDecoder::GetInterface() {
return &ppb_videodecoder;
}
bool VideoDecoder::Init(const PP_VideoDecoderConfig_Dev& decoder_config) {
if (!instance())
return false;
platform_video_decoder_.reset(
instance()->delegate()->CreateVideoDecoder(decoder_config));
return platform_video_decoder_.get()? true : false;
}
bool VideoDecoder::Decode(PP_VideoCompressedDataBuffer_Dev& input_buffer) {
if (!platform_video_decoder_.get())
return false;
return platform_video_decoder_->Decode(input_buffer);
}
int32_t VideoDecoder::Flush(PP_CompletionCallback& callback) {
if (!platform_video_decoder_.get())
return PP_ERROR_FAILED;
return platform_video_decoder_->Flush(callback);
}
bool VideoDecoder::ReturnUncompressedDataBuffer(
PP_VideoUncompressedDataBuffer_Dev& buffer) {
if (!platform_video_decoder_.get())
return false;
return platform_video_decoder_->ReturnUncompressedDataBuffer(buffer);
}
} // namespace pepper
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