1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/renderer/media/webmediasourceclient_impl.h"
6
7#include "base/guid.h"
8#include "content/renderer/media/websourcebuffer_impl.h"
9#include "media/filters/chunk_demuxer.h"
10#include "third_party/WebKit/public/platform/WebCString.h"
11#include "third_party/WebKit/public/platform/WebString.h"
12
13using ::WebKit::WebString;
14using ::WebKit::WebMediaSourceClient;
15
16namespace content {
17
18#define COMPILE_ASSERT_MATCHING_STATUS_ENUM(webkit_name, chromium_name) \
19  COMPILE_ASSERT(static_cast<int>(WebMediaSourceClient::webkit_name) == \
20                 static_cast<int>(media::ChunkDemuxer::chromium_name),  \
21                 mismatching_status_enums)
22COMPILE_ASSERT_MATCHING_STATUS_ENUM(AddStatusOk, kOk);
23COMPILE_ASSERT_MATCHING_STATUS_ENUM(AddStatusNotSupported, kNotSupported);
24COMPILE_ASSERT_MATCHING_STATUS_ENUM(AddStatusReachedIdLimit, kReachedIdLimit);
25#undef COMPILE_ASSERT_MATCHING_STATUS_ENUM
26
27WebMediaSourceClientImpl::WebMediaSourceClientImpl(
28    media::ChunkDemuxer* demuxer, media::LogCB log_cb)
29    : demuxer_(demuxer),
30      log_cb_(log_cb) {
31  DCHECK(demuxer_);
32}
33
34WebMediaSourceClientImpl::~WebMediaSourceClientImpl() {}
35
36WebMediaSourceClient::AddStatus WebMediaSourceClientImpl::addSourceBuffer(
37    const WebKit::WebString& type,
38    const WebKit::WebVector<WebKit::WebString>& codecs,
39    WebKit::WebSourceBuffer** source_buffer) {
40  std::string id = base::GenerateGUID();
41  std::vector<std::string> new_codecs(codecs.size());
42  for (size_t i = 0; i < codecs.size(); ++i)
43    new_codecs[i] = codecs[i].utf8().data();
44  WebMediaSourceClient::AddStatus result =
45      static_cast<WebMediaSourceClient::AddStatus>(
46          demuxer_->AddId(id, type.utf8().data(), new_codecs));
47
48  if (result == WebMediaSourceClient::AddStatusOk)
49    *source_buffer = new WebSourceBufferImpl(id, demuxer_);
50
51  return result;
52}
53
54double WebMediaSourceClientImpl::duration() {
55  return demuxer_->GetDuration();
56}
57
58void WebMediaSourceClientImpl::setDuration(double new_duration) {
59  DCHECK_GE(new_duration, 0);
60  demuxer_->SetDuration(new_duration);
61}
62
63// TODO(acolwell): Remove this once endOfStream() is removed from Blink.
64void WebMediaSourceClientImpl::endOfStream(
65    WebMediaSourceClient::EndOfStreamStatus status) {
66  markEndOfStream(status);
67}
68
69void WebMediaSourceClientImpl::markEndOfStream(
70    WebMediaSourceClient::EndOfStreamStatus status) {
71  media::PipelineStatus pipeline_status = media::PIPELINE_OK;
72
73  switch (status) {
74    case WebMediaSourceClient::EndOfStreamStatusNoError:
75      break;
76    case WebMediaSourceClient::EndOfStreamStatusNetworkError:
77      pipeline_status = media::PIPELINE_ERROR_NETWORK;
78      break;
79    case WebMediaSourceClient::EndOfStreamStatusDecodeError:
80      pipeline_status = media::PIPELINE_ERROR_DECODE;
81      break;
82    default:
83      NOTIMPLEMENTED();
84  }
85
86  demuxer_->MarkEndOfStream(pipeline_status);
87}
88
89void WebMediaSourceClientImpl::unmarkEndOfStream() {
90  demuxer_->UnmarkEndOfStream();
91}
92
93}  // namespace content
94