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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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65 | 65 |
66 SourceBuffer::~SourceBuffer() | 66 SourceBuffer::~SourceBuffer() |
67 { | 67 { |
68 ASSERT(isRemoved()); | 68 ASSERT(isRemoved()); |
69 } | 69 } |
70 | 70 |
71 PassRefPtr<TimeRanges> SourceBuffer::buffered(ExceptionCode& ec) const | 71 PassRefPtr<TimeRanges> SourceBuffer::buffered(ExceptionCode& ec) const |
72 { | 72 { |
73 // Section 3.1 buffered attribute steps. | 73 // Section 3.1 buffered attribute steps. |
74 // 1. If this object has been removed from the sourceBuffers attribute of th
e parent media source then throw an | 74 // 1. If this object has been removed from the sourceBuffers attribute of th
e parent media source then throw an |
75 // INVALID_STATE_ERR exception and abort these steps. | 75 // InvalidStateError exception and abort these steps. |
76 if (isRemoved()) { | 76 if (isRemoved()) { |
77 ec = INVALID_STATE_ERR; | 77 ec = InvalidStateError; |
78 return 0; | 78 return 0; |
79 } | 79 } |
80 | 80 |
81 // 2. Return a new static normalized TimeRanges object for the media segment
s buffered. | 81 // 2. Return a new static normalized TimeRanges object for the media segment
s buffered. |
82 return m_private->buffered(); | 82 return m_private->buffered(); |
83 } | 83 } |
84 | 84 |
85 double SourceBuffer::timestampOffset() const | 85 double SourceBuffer::timestampOffset() const |
86 { | 86 { |
87 return m_timestampOffset; | 87 return m_timestampOffset; |
88 } | 88 } |
89 | 89 |
90 void SourceBuffer::setTimestampOffset(double offset, ExceptionCode& ec) | 90 void SourceBuffer::setTimestampOffset(double offset, ExceptionCode& ec) |
91 { | 91 { |
92 // Section 3.1 timestampOffset attribute setter steps. | 92 // Section 3.1 timestampOffset attribute setter steps. |
93 // 1. If this object has been removed from the sourceBuffers attribute of th
e parent media source then throw an | 93 // 1. If this object has been removed from the sourceBuffers attribute of th
e parent media source then throw an |
94 // INVALID_STATE_ERR exception and abort these steps. | 94 // InvalidStateError exception and abort these steps. |
95 if (isRemoved()) { | 95 if (isRemoved()) { |
96 ec = INVALID_STATE_ERR; | 96 ec = InvalidStateError; |
97 return; | 97 return; |
98 } | 98 } |
99 | 99 |
100 // 4. If the readyState attribute of the parent media source is in the "ende
d" state then run the following steps: | 100 // 4. If the readyState attribute of the parent media source is in the "ende
d" state then run the following steps: |
101 // 4.1 Set the readyState attribute of the parent media source to "open" | 101 // 4.1 Set the readyState attribute of the parent media source to "open" |
102 // 4.2 Queue a task to fire a simple event named sourceopen at the parent me
dia source. | 102 // 4.2 Queue a task to fire a simple event named sourceopen at the parent me
dia source. |
103 m_source->openIfInEndedState(); | 103 m_source->openIfInEndedState(); |
104 | 104 |
105 // 5. If this object is waiting for the end of a media segment to be appende
d, then throw an INVALID_STATE_ERR | 105 // 5. If this object is waiting for the end of a media segment to be appende
d, then throw an InvalidStateError |
106 // and abort these steps. | 106 // and abort these steps. |
107 if (!m_private->setTimestampOffset(offset)) { | 107 if (!m_private->setTimestampOffset(offset)) { |
108 ec = INVALID_STATE_ERR; | 108 ec = InvalidStateError; |
109 return; | 109 return; |
110 } | 110 } |
111 | 111 |
112 // 6. Update the attribute to the new value. | 112 // 6. Update the attribute to the new value. |
113 m_timestampOffset = offset; | 113 m_timestampOffset = offset; |
114 } | 114 } |
115 | 115 |
116 void SourceBuffer::appendBuffer(PassRefPtr<ArrayBuffer> data, ExceptionCode& ec) | 116 void SourceBuffer::appendBuffer(PassRefPtr<ArrayBuffer> data, ExceptionCode& ec) |
117 { | 117 { |
118 // Section 3.2 appendBuffer() | 118 // Section 3.2 appendBuffer() |
119 // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-sou
rce.html#widl-SourceBuffer-appendBuffer-void-ArrayBufferView-data | 119 // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-sou
rce.html#widl-SourceBuffer-appendBuffer-void-ArrayBufferView-data |
120 // 1. If data is null then throw an INVALID_ACCESS_ERR exception and abort t
hese steps. | 120 // 1. If data is null then throw an InvalidAccessError exception and abort t
hese steps. |
121 if (!data) { | 121 if (!data) { |
122 ec = INVALID_ACCESS_ERR; | 122 ec = InvalidAccessError; |
123 return; | 123 return; |
124 } | 124 } |
125 | 125 |
126 appendBufferInternal(static_cast<unsigned char*>(data->data()), data->byteLe
ngth(), ec); | 126 appendBufferInternal(static_cast<unsigned char*>(data->data()), data->byteLe
ngth(), ec); |
127 } | 127 } |
128 | 128 |
129 void SourceBuffer::appendBuffer(PassRefPtr<ArrayBufferView> data, ExceptionCode&
ec) | 129 void SourceBuffer::appendBuffer(PassRefPtr<ArrayBufferView> data, ExceptionCode&
ec) |
130 { | 130 { |
131 // Section 3.2 appendBuffer() | 131 // Section 3.2 appendBuffer() |
132 // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-sou
rce.html#widl-SourceBuffer-appendBuffer-void-ArrayBufferView-data | 132 // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-sou
rce.html#widl-SourceBuffer-appendBuffer-void-ArrayBufferView-data |
133 // 1. If data is null then throw an INVALID_ACCESS_ERR exception and abort t
hese steps. | 133 // 1. If data is null then throw an InvalidAccessError exception and abort t
hese steps. |
134 if (!data) { | 134 if (!data) { |
135 ec = INVALID_ACCESS_ERR; | 135 ec = InvalidAccessError; |
136 return; | 136 return; |
137 } | 137 } |
138 | 138 |
139 appendBufferInternal(static_cast<unsigned char*>(data->baseAddress()), data-
>byteLength(), ec); | 139 appendBufferInternal(static_cast<unsigned char*>(data->baseAddress()), data-
>byteLength(), ec); |
140 } | 140 } |
141 | 141 |
142 void SourceBuffer::abort(ExceptionCode& ec) | 142 void SourceBuffer::abort(ExceptionCode& ec) |
143 { | 143 { |
144 // Section 3.2 abort() method steps. | 144 // Section 3.2 abort() method steps. |
145 // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-sou
rce.html#widl-SourceBuffer-abort-void | 145 // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-sou
rce.html#widl-SourceBuffer-abort-void |
146 // 1. If this object has been removed from the sourceBuffers attribute of th
e parent media source | 146 // 1. If this object has been removed from the sourceBuffers attribute of th
e parent media source |
147 // then throw an INVALID_STATE_ERR exception and abort these steps. | 147 // then throw an InvalidStateError exception and abort these steps. |
148 // 2. If the readyState attribute of the parent media source is not in the "
open" state | 148 // 2. If the readyState attribute of the parent media source is not in the "
open" state |
149 // then throw an INVALID_STATE_ERR exception and abort these steps. | 149 // then throw an InvalidStateError exception and abort these steps. |
150 if (isRemoved() || !m_source->isOpen()) { | 150 if (isRemoved() || !m_source->isOpen()) { |
151 ec = INVALID_STATE_ERR; | 151 ec = InvalidStateError; |
152 return; | 152 return; |
153 } | 153 } |
154 | 154 |
155 // 3. If the sourceBuffer.updating attribute equals true, then run the follo
wing steps: ... | 155 // 3. If the sourceBuffer.updating attribute equals true, then run the follo
wing steps: ... |
156 abortIfUpdating(); | 156 abortIfUpdating(); |
157 | 157 |
158 // 4. Run the reset parser state algorithm. | 158 // 4. Run the reset parser state algorithm. |
159 m_private->abort(); | 159 m_private->abort(); |
160 | 160 |
161 // FIXME(229408) Add steps 5-6 update appendWindowStart & appendWindowEnd. | 161 // FIXME(229408) Add steps 5-6 update appendWindowStart & appendWindowEnd. |
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238 | 238 |
239 m_asyncEventQueue->enqueueEvent(event.release()); | 239 m_asyncEventQueue->enqueueEvent(event.release()); |
240 } | 240 } |
241 | 241 |
242 void SourceBuffer::appendBufferInternal(unsigned char* data, unsigned size, Exce
ptionCode& ec) | 242 void SourceBuffer::appendBufferInternal(unsigned char* data, unsigned size, Exce
ptionCode& ec) |
243 { | 243 { |
244 // Section 3.2 appendBuffer() | 244 // Section 3.2 appendBuffer() |
245 // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-sou
rce.html#widl-SourceBuffer-appendBuffer-void-ArrayBufferView-data | 245 // https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-sou
rce.html#widl-SourceBuffer-appendBuffer-void-ArrayBufferView-data |
246 | 246 |
247 // Step 1 is enforced by the caller. | 247 // Step 1 is enforced by the caller. |
248 // 2. If this object has been removed from the sourceBuffers attribute of th
e parent media source then throw an INVALID_STATE_ERR exception and abort these
steps. | 248 // 2. If this object has been removed from the sourceBuffers attribute of th
e parent media source then throw an InvalidStateError exception and abort these
steps. |
249 // 3. If the updating attribute equals true, then throw an INVALID_STATE_ERR
exception and abort these steps. | 249 // 3. If the updating attribute equals true, then throw an InvalidStateError
exception and abort these steps. |
250 if (isRemoved() || m_updating) { | 250 if (isRemoved() || m_updating) { |
251 ec = INVALID_STATE_ERR; | 251 ec = InvalidStateError; |
252 return; | 252 return; |
253 } | 253 } |
254 | 254 |
255 // 4. If the readyState attribute of the parent media source is in the "ende
d" state then run the following steps: ... | 255 // 4. If the readyState attribute of the parent media source is in the "ende
d" state then run the following steps: ... |
256 m_source->openIfInEndedState(); | 256 m_source->openIfInEndedState(); |
257 | 257 |
258 // Steps 5-6 | 258 // Steps 5-6 |
259 | 259 |
260 // 7. Add data to the end of the input buffer. | 260 // 7. Add data to the end of the input buffer. |
261 m_pendingAppendData.append(data, size); | 261 m_pendingAppendData.append(data, size); |
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293 m_pendingAppendData.clear(); | 293 m_pendingAppendData.clear(); |
294 | 294 |
295 // 4. Queue a task to fire a simple event named update at this SourceBuffer
object. | 295 // 4. Queue a task to fire a simple event named update at this SourceBuffer
object. |
296 scheduleEvent(eventNames().updateEvent); | 296 scheduleEvent(eventNames().updateEvent); |
297 | 297 |
298 // 5. Queue a task to fire a simple event named updateend at this SourceBuff
er object. | 298 // 5. Queue a task to fire a simple event named updateend at this SourceBuff
er object. |
299 scheduleEvent(eventNames().updateendEvent); | 299 scheduleEvent(eventNames().updateendEvent); |
300 } | 300 } |
301 | 301 |
302 } // namespace WebCore | 302 } // namespace WebCore |
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