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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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46 | 46 |
47 virtual ~WebSourceBuffer() { } | 47 virtual ~WebSourceBuffer() { } |
48 | 48 |
49 // This will only be called once and only with a non-null pointer to a | 49 // This will only be called once and only with a non-null pointer to a |
50 // client whose ownership is not transferred to this WebSourceBuffer. | 50 // client whose ownership is not transferred to this WebSourceBuffer. |
51 virtual void setClient(WebSourceBufferClient*) = 0; | 51 virtual void setClient(WebSourceBufferClient*) = 0; |
52 | 52 |
53 virtual bool setMode(AppendMode) = 0; | 53 virtual bool setMode(AppendMode) = 0; |
54 virtual WebTimeRanges buffered() = 0; | 54 virtual WebTimeRanges buffered() = 0; |
55 | 55 |
56 // Run coded frame eviction/garbage collection algorithm. | |
57 // |currentPlaybackTime| is HTMLMediaElement::currentTime. The algorithm | |
philipj_slow
2015/07/02 09:48:22
Playback position in HTMLMediaElement is unfortuna
servolk
2015/07/07 23:01:52
Actually we do want the position to reflect the pe
philipj_slow
2015/07/08 12:47:44
OK, so it sounds like the MSE spec actually says t
servolk
2015/07/08 19:03:47
Well, AFAIK MSE spec actually does not explicitly
philipj_slow
2015/07/09 09:49:23
One instance of "current playback position" is lin
servolk
2015/07/10 01:11:27
I believe HTMLMediaElement::currentTime is exactly
philipj_slow
2015/07/10 08:40:27
If there isn't an internal concept for it, then si
wolenetz
2015/08/12 22:42:03
Hmm. We need the current playback position, and if
| |
58 // will try to preserve data around current playback position. | |
59 // Returns false if buffer is still full after eviction. | |
60 virtual bool evictCodedFrames(double currentPlaybackTime) = 0; | |
61 | |
56 // Appends data and runs the segment parser loop algorithm. | 62 // Appends data and runs the segment parser loop algorithm. |
57 // The algorithm may update |*timestampOffset| if |timestampOffset| is not n ull. | 63 // The algorithm may update |*timestampOffset| if |timestampOffset| is not n ull. |
58 virtual void append(const unsigned char* data, unsigned length, double* time stampOffset) = 0; | 64 virtual void append(const unsigned char* data, unsigned length, double* time stampOffset) = 0; |
59 | 65 |
60 virtual void abort() = 0; | 66 virtual void abort() = 0; |
61 virtual void remove(double start, double end) = 0; | 67 virtual void remove(double start, double end) = 0; |
62 virtual bool setTimestampOffset(double) = 0; | 68 virtual bool setTimestampOffset(double) = 0; |
63 | 69 |
64 // Set presentation timestamp for the start of append window. | 70 // Set presentation timestamp for the start of append window. |
65 virtual void setAppendWindowStart(double) = 0; | 71 virtual void setAppendWindowStart(double) = 0; |
66 | 72 |
67 // Set presentation timestamp for the end of append window. | 73 // Set presentation timestamp for the end of append window. |
68 virtual void setAppendWindowEnd(double) = 0; | 74 virtual void setAppendWindowEnd(double) = 0; |
69 | 75 |
70 // After this method is called, this WebSourceBuffer should never use the | 76 // After this method is called, this WebSourceBuffer should never use the |
71 // client pointer passed to setClient(). | 77 // client pointer passed to setClient(). |
72 virtual void removedFromMediaSource() = 0; | 78 virtual void removedFromMediaSource() = 0; |
73 }; | 79 }; |
74 | 80 |
75 } // namespace blink | 81 } // namespace blink |
76 | 82 |
77 #endif | 83 #endif |
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