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| 1 /* | 1 /* |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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| 29 */ | 29 */ |
| 30 | 30 |
| 31 #include "config.h" | 31 #include "config.h" |
| 32 #include "modules/mediasource/MediaSource.h" | 32 #include "modules/mediasource/MediaSource.h" |
| 33 | 33 |
| 34 #include "bindings/v8/ExceptionState.h" | 34 #include "bindings/v8/ExceptionState.h" |
| 35 #include "bindings/v8/ExceptionStatePlaceholder.h" | 35 #include "bindings/v8/ExceptionStatePlaceholder.h" |
| 36 #include "core/dom/ExceptionCode.h" | 36 #include "core/dom/ExceptionCode.h" |
| 37 #include "core/events/GenericEventQueue.h" | 37 #include "core/events/GenericEventQueue.h" |
| 38 #include "core/html/TimeRanges.h" | 38 #include "core/html/TimeRanges.h" |
| 39 #include "modules/mediasource/MediaSourceRegistry.h" |
| 39 #include "platform/ContentType.h" | 40 #include "platform/ContentType.h" |
| 40 #include "platform/Logging.h" | 41 #include "platform/Logging.h" |
| 41 #include "core/platform/graphics/SourceBufferPrivate.h" | |
| 42 #include "modules/mediasource/MediaSourceRegistry.h" | |
| 43 #include "platform/MIMETypeRegistry.h" | 42 #include "platform/MIMETypeRegistry.h" |
| 43 #include "public/platform/WebSourceBuffer.h" |
| 44 #include "wtf/Uint8Array.h" | 44 #include "wtf/Uint8Array.h" |
| 45 #include "wtf/text/CString.h" | 45 #include "wtf/text/CString.h" |
| 46 | 46 |
| 47 using blink::WebSourceBuffer; |
| 48 |
| 47 namespace WebCore { | 49 namespace WebCore { |
| 48 | 50 |
| 49 PassRefPtr<MediaSource> MediaSource::create(ExecutionContext* context) | 51 PassRefPtr<MediaSource> MediaSource::create(ExecutionContext* context) |
| 50 { | 52 { |
| 51 RefPtr<MediaSource> mediaSource(adoptRef(new MediaSource(context))); | 53 RefPtr<MediaSource> mediaSource(adoptRef(new MediaSource(context))); |
| 52 mediaSource->suspendIfNeeded(); | 54 mediaSource->suspendIfNeeded(); |
| 53 return mediaSource.release(); | 55 return mediaSource.release(); |
| 54 } | 56 } |
| 55 | 57 |
| 56 MediaSource::MediaSource(ExecutionContext* context) | 58 MediaSource::MediaSource(ExecutionContext* context) |
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| 90 // 4. If the readyState attribute is not in the "open" state then throw an | 92 // 4. If the readyState attribute is not in the "open" state then throw an |
| 91 // InvalidStateError exception and abort these steps. | 93 // InvalidStateError exception and abort these steps. |
| 92 if (!isOpen()) { | 94 if (!isOpen()) { |
| 93 es.throwUninformativeAndGenericDOMException(InvalidStateError); | 95 es.throwUninformativeAndGenericDOMException(InvalidStateError); |
| 94 return 0; | 96 return 0; |
| 95 } | 97 } |
| 96 | 98 |
| 97 // 5. Create a new SourceBuffer object and associated resources. | 99 // 5. Create a new SourceBuffer object and associated resources. |
| 98 ContentType contentType(type); | 100 ContentType contentType(type); |
| 99 Vector<String> codecs = contentType.codecs(); | 101 Vector<String> codecs = contentType.codecs(); |
| 100 OwnPtr<SourceBufferPrivate> sourceBufferPrivate = createSourceBufferPrivate(
contentType.type(), codecs, es); | 102 OwnPtr<WebSourceBuffer> webSourceBuffer = createWebSourceBuffer(contentType.
type(), codecs, es); |
| 101 | 103 |
| 102 if (!sourceBufferPrivate) { | 104 if (!webSourceBuffer) { |
| 103 ASSERT(es.code() == NotSupportedError || es.code() == QuotaExceededError
); | 105 ASSERT(es.code() == NotSupportedError || es.code() == QuotaExceededError
); |
| 104 // 2. If type contains a MIME type that is not supported ..., then throw
a NotSupportedError exception and abort these steps. | 106 // 2. If type contains a MIME type that is not supported ..., then throw
a NotSupportedError exception and abort these steps. |
| 105 // 3. If the user agent can't handle any more SourceBuffer objects then
throw a QuotaExceededError exception and abort these steps | 107 // 3. If the user agent can't handle any more SourceBuffer objects then
throw a QuotaExceededError exception and abort these steps |
| 106 return 0; | 108 return 0; |
| 107 } | 109 } |
| 108 | 110 |
| 109 RefPtr<SourceBuffer> buffer = SourceBuffer::create(sourceBufferPrivate.relea
se(), this, asyncEventQueue()); | 111 RefPtr<SourceBuffer> buffer = SourceBuffer::create(webSourceBuffer.release()
, this, asyncEventQueue()); |
| 110 // 6. Add the new object to sourceBuffers and fire a addsourcebuffer on that
object. | 112 // 6. Add the new object to sourceBuffers and fire a addsourcebuffer on that
object. |
| 111 m_sourceBuffers->add(buffer); | 113 m_sourceBuffers->add(buffer); |
| 112 m_activeSourceBuffers->add(buffer); | 114 m_activeSourceBuffers->add(buffer); |
| 113 // 7. Return the new object to the caller. | 115 // 7. Return the new object to the caller. |
| 114 return buffer.get(); | 116 return buffer.get(); |
| 115 } | 117 } |
| 116 | 118 |
| 117 void MediaSource::removeSourceBuffer(SourceBuffer* buffer, ExceptionState& es) | 119 void MediaSource::removeSourceBuffer(SourceBuffer* buffer, ExceptionState& es) |
| 118 { | 120 { |
| 119 LOG(Media, "MediaSource::removeSourceBuffer() %p", this); | 121 LOG(Media, "MediaSource::removeSourceBuffer() %p", this); |
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| 207 // 6. Return true. | 209 // 6. Return true. |
| 208 return MIMETypeRegistry::isSupportedMediaSourceMIMEType(contentType.type(),
codecs); | 210 return MIMETypeRegistry::isSupportedMediaSourceMIMEType(contentType.type(),
codecs); |
| 209 } | 211 } |
| 210 | 212 |
| 211 const AtomicString& MediaSource::interfaceName() const | 213 const AtomicString& MediaSource::interfaceName() const |
| 212 { | 214 { |
| 213 return EventTargetNames::MediaSource; | 215 return EventTargetNames::MediaSource; |
| 214 } | 216 } |
| 215 | 217 |
| 216 } // namespace WebCore | 218 } // namespace WebCore |
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