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https://gitlab.freedesktop.org/pipewire/pipewire
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alsa: set offset to 0 for playback streams
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parent
5ea1fd3e7d
commit
55c5e48578
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@ -201,22 +201,26 @@ snd_pcm_pipewire_process(snd_pcm_pipewire_t *pw, struct pw_buffer *b, snd_pcm_uf
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}
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if (pw->blocks == 1) {
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if (io->stream == SND_PCM_STREAM_PLAYBACK) {
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d[0].chunk->size = nframes * pw->stride;
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d[0].chunk->offset = 0;
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}
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ptr = SPA_MEMBER(d[0].data, d[0].chunk->offset, void);
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for (channel = 0; channel < io->channels; channel++) {
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pwareas[channel].addr = ptr;
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pwareas[channel].first = channel * pw->sample_bits;
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pwareas[channel].step = io->channels * pw->sample_bits;
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}
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if (io->stream == SND_PCM_STREAM_PLAYBACK)
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d[0].chunk->size = nframes * pw->stride;
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} else {
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for (channel = 0; channel < io->channels; channel++) {
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if (io->stream == SND_PCM_STREAM_PLAYBACK) {
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d[channel].chunk->size = nframes * pw->stride;
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d[channel].chunk->offset = 0;
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}
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ptr = SPA_MEMBER(d[channel].data, d[channel].chunk->offset, void);
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pwareas[channel].addr = ptr;
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pwareas[channel].first = 0;
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pwareas[channel].step = pw->sample_bits;
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if (io->stream == SND_PCM_STREAM_PLAYBACK)
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d[channel].chunk->size = nframes * pw->stride;
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}
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}
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@ -230,16 +234,16 @@ snd_pcm_pipewire_process(snd_pcm_pipewire_t *pw, struct pw_buffer *b, snd_pcm_uf
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if (io->stream == SND_PCM_STREAM_PLAYBACK)
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snd_pcm_areas_copy_wrap(pwareas, 0, nframes,
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areas, offset,
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io->buffer_size,
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io->channels, xfer,
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io->format);
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areas, offset,
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io->buffer_size,
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io->channels, xfer,
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io->format);
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else
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snd_pcm_areas_copy_wrap(areas, offset,
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io->buffer_size,
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pwareas, 0, nframes,
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io->channels, xfer,
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io->format);
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io->buffer_size,
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pwareas, 0, nframes,
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io->channels, xfer,
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io->format);
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hw_ptr += xfer;
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if (hw_ptr > pw->boundary)
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