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// Copyright 2013 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/webmediasource_impl.h"
#include "base/guid.h"
#include "media/base/mime_util.h"
#include "media/blink/websourcebuffer_impl.h"
#include "media/filters/chunk_demuxer.h"
#include "third_party/WebKit/public/platform/WebCString.h"
#include "third_party/WebKit/public/platform/WebString.h"
using ::blink::WebString;
using ::blink::WebMediaSource;
namespace media {
#define STATIC_ASSERT_MATCHING_STATUS_ENUM(webkit_name, chromium_name) \
static_assert(static_cast<int>(WebMediaSource::webkit_name) == \
static_cast<int>(ChunkDemuxer::chromium_name), \
"mismatching status enum values: " #webkit_name)
STATIC_ASSERT_MATCHING_STATUS_ENUM(AddStatusOk, kOk);
STATIC_ASSERT_MATCHING_STATUS_ENUM(AddStatusNotSupported, kNotSupported);
STATIC_ASSERT_MATCHING_STATUS_ENUM(AddStatusReachedIdLimit, kReachedIdLimit);
#undef STATIC_ASSERT_MATCHING_STATUS_ENUM
WebMediaSourceImpl::WebMediaSourceImpl(ChunkDemuxer* demuxer,
const scoped_refptr<MediaLog>& media_log)
: demuxer_(demuxer), media_log_(media_log) {
DCHECK(demuxer_);
}
WebMediaSourceImpl::~WebMediaSourceImpl() {}
WebMediaSource::AddStatus WebMediaSourceImpl::addSourceBuffer(
const blink::WebString& type,
const blink::WebString& codecs,
blink::WebSourceBuffer** source_buffer) {
std::string id = base::GenerateGUID();
std::vector<std::string> parsed_codec_ids;
media::ParseCodecString(codecs.utf8().data(), &parsed_codec_ids, false);
WebMediaSource::AddStatus result =
static_cast<WebMediaSource::AddStatus>(
demuxer_->AddId(id, type.utf8().data(), parsed_codec_ids));
if (result == WebMediaSource::AddStatusOk)
*source_buffer = new WebSourceBufferImpl(id, demuxer_);
return result;
}
double WebMediaSourceImpl::duration() {
return demuxer_->GetDuration();
}
void WebMediaSourceImpl::setDuration(double new_duration) {
DCHECK_GE(new_duration, 0);
demuxer_->SetDuration(new_duration);
}
void WebMediaSourceImpl::markEndOfStream(
WebMediaSource::EndOfStreamStatus status) {
PipelineStatus pipeline_status = PIPELINE_OK;
switch (status) {
case WebMediaSource::EndOfStreamStatusNoError:
break;
case WebMediaSource::EndOfStreamStatusNetworkError:
pipeline_status = PIPELINE_ERROR_NETWORK;
break;
case WebMediaSource::EndOfStreamStatusDecodeError:
pipeline_status = PIPELINE_ERROR_DECODE;
break;
}
demuxer_->MarkEndOfStream(pipeline_status);
}
void WebMediaSourceImpl::unmarkEndOfStream() {
demuxer_->UnmarkEndOfStream();
}
} // namespace media
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