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 13 using ::WebKit::WebString; 14 using ::WebKit::WebMediaSourceClient; 15 16 namespace 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) 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 27 WebMediaSourceClientImpl::WebMediaSourceClientImpl( 28 media::ChunkDemuxer* demuxer, media::LogCB log_cb) 29 : demuxer_(demuxer), 30 log_cb_(log_cb) { 31 DCHECK(demuxer_); 32 } 33 34 WebMediaSourceClientImpl::~WebMediaSourceClientImpl() {} 35 36 WebMediaSourceClient::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 54 double WebMediaSourceClientImpl::duration() { 55 return demuxer_->GetDuration(); 56 } 57 58 void 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. 64 void WebMediaSourceClientImpl::endOfStream( 65 WebMediaSourceClient::EndOfStreamStatus status) { 66 markEndOfStream(status); 67 } 68 69 void 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 89 void WebMediaSourceClientImpl::unmarkEndOfStream() { 90 demuxer_->UnmarkEndOfStream(); 91 } 92 93 } // namespace content 94