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 "media/blink/webmediasource_impl.h" 6 7 #include "base/guid.h" 8 #include "media/blink/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 media { 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>(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 WebMediaSourceImpl::WebMediaSourceImpl( 28 ChunkDemuxer* demuxer, LogCB log_cb) 29 : demuxer_(demuxer), 30 log_cb_(log_cb) { 31 DCHECK(demuxer_); 32 } 33 34 WebMediaSourceImpl::~WebMediaSourceImpl() {} 35 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 45 WebMediaSource::AddStatus result = 46 static_cast<WebMediaSource::AddStatus>( 47 demuxer_->AddId(id, type.utf8().data(), new_codecs)); 48 49 if (result == WebMediaSource::AddStatusOk) 50 *source_buffer = new WebSourceBufferImpl(id, demuxer_); 51 52 return result; 53 } 54 55 double WebMediaSourceImpl::duration() { 56 return demuxer_->GetDuration(); 57 } 58 59 void WebMediaSourceImpl::setDuration(double new_duration) { 60 DCHECK_GE(new_duration, 0); 61 demuxer_->SetDuration(new_duration); 62 } 63 64 void WebMediaSourceImpl::markEndOfStream( 65 WebMediaSource::EndOfStreamStatus status) { 66 PipelineStatus pipeline_status = PIPELINE_OK; 67 68 switch (status) { 69 case WebMediaSource::EndOfStreamStatusNoError: 70 break; 71 case WebMediaSource::EndOfStreamStatusNetworkError: 72 pipeline_status = PIPELINE_ERROR_NETWORK; 73 break; 74 case WebMediaSource::EndOfStreamStatusDecodeError: 75 pipeline_status = PIPELINE_ERROR_DECODE; 76 break; 77 } 78 79 demuxer_->MarkEndOfStream(pipeline_status); 80 } 81 82 void WebMediaSourceImpl::unmarkEndOfStream() { 83 demuxer_->UnmarkEndOfStream(); 84 } 85 86 } // namespace media 87