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/webmediasource_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
13 using ::blink::WebString;
14 using ::blink::WebMediaSource;
15
16 namespace content {
17
18 #define COMPILE_ASSERT_MATCHING_STATUS_ENUM(webkit_name, chromium_name) \
19 COMPILE_ASSERT(static_cast<int>(WebMediaSource::webkit_name) == \
20 static_cast<int>(media::ChunkDemuxer::chromium_name), \
21 mismatching_status_enums)
22 COMPILE_ASSERT_MATCHING_STATUS_ENUM(AddStatusOk, kOk);
23 COMPILE_ASSERT_MATCHING_STATUS_ENUM(AddStatusNotSupported, kNotSupported);
24 COMPILE_ASSERT_MATCHING_STATUS_ENUM(AddStatusReachedIdLimit, kReachedIdLimit);
25 #undef COMPILE_ASSERT_MATCHING_STATUS_ENUM
26
WebMediaSourceImpl(media::ChunkDemuxer * demuxer,media::LogCB log_cb)27 WebMediaSourceImpl::WebMediaSourceImpl(
28 media::ChunkDemuxer* demuxer, media::LogCB log_cb)
29 : demuxer_(demuxer),
30 log_cb_(log_cb) {
31 DCHECK(demuxer_);
32 }
33
~WebMediaSourceImpl()34 WebMediaSourceImpl::~WebMediaSourceImpl() {}
35
addSourceBuffer(const blink::WebString & type,const blink::WebVector<blink::WebString> & codecs,blink::WebSourceBuffer ** source_buffer)36 WebMediaSource::AddStatus WebMediaSourceImpl::addSourceBuffer(
37 const blink::WebString& type,
38 const blink::WebVector<blink::WebString>& codecs,
39 blink::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 WebMediaSource::AddStatus result =
45 static_cast<WebMediaSource::AddStatus>(
46 demuxer_->AddId(id, type.utf8().data(), new_codecs));
47
48 if (result == WebMediaSource::AddStatusOk)
49 *source_buffer = new WebSourceBufferImpl(id, demuxer_);
50
51 return result;
52 }
53
duration()54 double WebMediaSourceImpl::duration() {
55 return demuxer_->GetDuration();
56 }
57
setDuration(double new_duration)58 void WebMediaSourceImpl::setDuration(double new_duration) {
59 DCHECK_GE(new_duration, 0);
60 demuxer_->SetDuration(new_duration);
61 }
62
markEndOfStream(WebMediaSource::EndOfStreamStatus status)63 void WebMediaSourceImpl::markEndOfStream(
64 WebMediaSource::EndOfStreamStatus status) {
65 media::PipelineStatus pipeline_status = media::PIPELINE_OK;
66
67 switch (status) {
68 case WebMediaSource::EndOfStreamStatusNoError:
69 break;
70 case WebMediaSource::EndOfStreamStatusNetworkError:
71 pipeline_status = media::PIPELINE_ERROR_NETWORK;
72 break;
73 case WebMediaSource::EndOfStreamStatusDecodeError:
74 pipeline_status = media::PIPELINE_ERROR_DECODE;
75 break;
76 default:
77 NOTIMPLEMENTED();
78 }
79
80 demuxer_->MarkEndOfStream(pipeline_status);
81 }
82
unmarkEndOfStream()83 void WebMediaSourceImpl::unmarkEndOfStream() {
84 demuxer_->UnmarkEndOfStream();
85 }
86
87 } // namespace content
88