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Silence the PCM buffer if no chunk is available

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badaix 2021-02-03 22:58:21 +01:00
parent 147e4e9b7e
commit 168bc3f98b
7 changed files with 31 additions and 11 deletions
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9
client/stream.hpp
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@ -48,8 +48,17 @@ public:
/// Get PCM data, which will be played out in "outputBufferDacTime" time
/// frame = (num_channels) * (1 sample in bytes) = (2 channels) * (2 bytes (16 bits) per sample) = 4 bytes (32 bits)
/// @param[out] outputBuffer the buffer to be filled with PCM data
/// @param outputBufferDacTime the duration until the PCM chunk will be audible
/// @param frames the number of requested frames to be copied into outputBuffer
/// @return true if a chunk was available and successfully copied to outputBuffer
bool getPlayerChunk(void* outputBuffer, const chronos::usec& outputBufferDacTime, uint32_t frames);
/// Try to get a player chunk and fill the buffer with silence if it fails
/// @sa getPlayerChunk
/// @return true if a chunk was available and successfully copied to outputBuffer, else false and outputBuffer is filled with silence
bool getPlayerChunkOrSilence(void* outputBuffer, const chronos::usec& outputBufferDacTime, uint32_t frames);
/// "Server buffer": playout latency, e.g. 1000ms
void setBufferLen(size_t bufferLenMs);