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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/blink/public/platform/web_string.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(kAddStatusOk, kOk);
STATIC_ASSERT_MATCHING_STATUS_ENUM(kAddStatusNotSupported, kNotSupported);
STATIC_ASSERT_MATCHING_STATUS_ENUM(kAddStatusReachedIdLimit, kReachedIdLimit);
#undef STATIC_ASSERT_MATCHING_STATUS_ENUM
WebMediaSourceImpl::WebMediaSourceImpl(ChunkDemuxer* demuxer)
: demuxer_(demuxer) {
DCHECK(demuxer_);
}
WebMediaSourceImpl::~WebMediaSourceImpl() = default;
WebMediaSource::AddStatus WebMediaSourceImpl::AddSourceBuffer(
const blink::WebString& content_type,
const blink::WebString& codecs,
blink::WebSourceBuffer** source_buffer) {
std::string id = base::GenerateGUID();
WebMediaSource::AddStatus result = static_cast<WebMediaSource::AddStatus>(
demuxer_->AddId(id, content_type.Utf8(), codecs.Utf8()));
if (result == WebMediaSource::kAddStatusOk)
*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::kEndOfStreamStatusNoError:
break;
case WebMediaSource::kEndOfStreamStatusNetworkError:
pipeline_status = CHUNK_DEMUXER_ERROR_EOS_STATUS_NETWORK_ERROR;
break;
case WebMediaSource::kEndOfStreamStatusDecodeError:
pipeline_status = CHUNK_DEMUXER_ERROR_EOS_STATUS_DECODE_ERROR;
break;
}
demuxer_->MarkEndOfStream(pipeline_status);
}
void WebMediaSourceImpl::UnmarkEndOfStream() {
demuxer_->UnmarkEndOfStream();
}
} // namespace media
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