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44 lines
746 B
44 lines
746 B
package hls |
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import "bytes" |
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const ( |
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cache_max_frames byte = 6 |
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audio_cache_len int = 10 * 1024 |
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) |
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type audioCache struct { |
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soundFormat byte |
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num byte |
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offset int |
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pts uint64 |
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buf *bytes.Buffer |
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} |
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func newAudioCache() *audioCache { |
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return &audioCache{ |
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buf: bytes.NewBuffer(make([]byte, audio_cache_len)), |
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} |
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} |
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func (self *audioCache) Cache(src []byte, pts uint64) bool { |
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if self.num == 0 { |
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self.offset = 0 |
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self.pts = pts |
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self.buf.Reset() |
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} |
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self.buf.Write(src) |
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self.offset += len(src) |
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self.num++ |
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return false |
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} |
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func (self *audioCache) GetFrame() (int, uint64, []byte) { |
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self.num = 0 |
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return self.offset, self.pts, self.buf.Bytes() |
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} |
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func (self *audioCache) CacheNum() byte { |
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return self.num |
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}
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