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// Copyright 2017 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 "media/blink/webmediacapabilitiesclient_impl.h"
#include "media/base/audio_codecs.h"
#include "media/base/decode_capabilities.h"
#include "media/base/mime_util.h"
#include "media/base/video_codecs.h"
#include "media/base/video_color_space.h"
#include "third_party/WebKit/public/platform/modules/media_capabilities/WebAudioConfiguration.h"
#include "third_party/WebKit/public/platform/modules/media_capabilities/WebMediaCapabilitiesInfo.h"
#include "third_party/WebKit/public/platform/modules/media_capabilities/WebMediaConfiguration.h"
#include "third_party/WebKit/public/platform/modules/media_capabilities/WebVideoConfiguration.h"
namespace media {
WebMediaCapabilitiesClientImpl::WebMediaCapabilitiesClientImpl() = default;
WebMediaCapabilitiesClientImpl::~WebMediaCapabilitiesClientImpl() = default;
void WebMediaCapabilitiesClientImpl::DecodingInfo(
const blink::WebMediaConfiguration& configuration,
std::unique_ptr<blink::WebMediaCapabilitiesQueryCallbacks> callbacks) {
std::unique_ptr<blink::WebMediaCapabilitiesInfo> info(
new blink::WebMediaCapabilitiesInfo());
bool audio_supported = true;
bool video_supported = true;
if (configuration.audio_configuration) {
const blink::WebAudioConfiguration& audio_config =
configuration.audio_configuration.value();
AudioCodec audio_codec;
bool is_audio_codec_ambiguous;
if (!ParseAudioCodecString(audio_config.mime_type.Ascii(),
audio_config.codec.Ascii(),
&is_audio_codec_ambiguous, &audio_codec)) {
// TODO(chcunningham): Replace this and other DVLOGs here with MEDIA_LOG.
// MediaCapabilities may need its own tab in chrome://media-internals.
DVLOG(2) << __func__ << " Failed to parse audio codec string:"
<< audio_config.codec.Ascii();
audio_supported = false;
} else if (is_audio_codec_ambiguous) {
DVLOG(2) << __func__ << " Invalid (ambiguous) audio codec string:"
<< audio_config.codec.Ascii();
audio_supported = false;
} else {
AudioConfig audio_config = {audio_codec};
audio_supported = IsSupportedAudioConfig(audio_config);
}
}
if (configuration.video_configuration) {
const blink::WebVideoConfiguration& video_config =
configuration.video_configuration.value();
VideoCodec video_codec;
VideoCodecProfile video_profile;
uint8_t video_level;
VideoColorSpace video_color_space;
bool is_video_codec_ambiguous;
if (!ParseVideoCodecString(
video_config.mime_type.Ascii(), video_config.codec.Ascii(),
&is_video_codec_ambiguous, &video_codec, &video_profile,
&video_level, &video_color_space)) {
DVLOG(2) << __func__ << " Failed to parse video codec string:"
<< video_config.codec.Ascii();
video_supported = false;
} else if (is_video_codec_ambiguous) {
DVLOG(2) << __func__ << " Invalid (ambiguous) video codec string:"
<< video_config.codec.Ascii();
video_supported = false;
} else {
VideoConfig video_config = {video_codec, video_profile, video_level,
video_color_space};
video_supported = IsSupportedVideoConfig(video_config);
}
}
info->supported = audio_supported && video_supported;
// TODO(chcunningham, mlamouri): real implementation for these.
info->smooth = info->power_efficient = info->supported;
callbacks->OnSuccess(std::move(info));
}
} // namespace media
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