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Removed frag_* fields. Collapsed I/O plugins. Added to mmap plugin support for stream mode

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This commit is contained in:
Abramo Bagnara 2000-05-23 12:52:06 +00:00
parent 0b2b3c8a81
commit c582ff51b6
9 changed files with 186 additions and 448 deletions
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28
src/pcm/pcm_common.c
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@ -57,10 +57,10 @@ static int snd_pcm_plugin_dst_voices_mask(snd_pcm_plugin_t *plugin,
return 0;
}
static int snd_pcm_plugin_side_voices(snd_pcm_plugin_t *plugin,
int client_side,
size_t samples,
snd_pcm_plugin_voice_t **voices)
static ssize_t snd_pcm_plugin_side_voices(snd_pcm_plugin_t *plugin,
int client_side,
size_t samples,
snd_pcm_plugin_voice_t **voices)
{
char *ptr;
int width;
@ -104,19 +104,19 @@ static int snd_pcm_plugin_side_voices(snd_pcm_plugin_t *plugin,
v->area.step = width;
}
}
return 0;
return samples;
}
int snd_pcm_plugin_client_voices(snd_pcm_plugin_t *plugin,
size_t samples,
snd_pcm_plugin_voice_t **voices)
ssize_t snd_pcm_plugin_client_voices(snd_pcm_plugin_t *plugin,
size_t samples,
snd_pcm_plugin_voice_t **voices)
{
return snd_pcm_plugin_side_voices(plugin, 1, samples, voices);
}
int snd_pcm_plugin_slave_voices(snd_pcm_plugin_t *plugin,
size_t samples,
snd_pcm_plugin_voice_t **voices)
ssize_t snd_pcm_plugin_slave_voices(snd_pcm_plugin_t *plugin,
size_t samples,
snd_pcm_plugin_voice_t **voices)
{
return snd_pcm_plugin_side_voices(plugin, 0, samples, voices);
}
@ -1073,6 +1073,11 @@ ssize_t snd_pcm_plug_write_transfer(snd_pcm_plugin_handle_t *handle, snd_pcm_plu
snd_pcm_plug_buf_unlock(handle, SND_PCM_CHANNEL_PLAYBACK, src_voices->aptr);
return err;
}
if (err != samples1) {
samples = err;
if (plugin->src_samples)
samples = plugin->src_samples(plugin, samples1);
}
} else {
if ((err = snd_pcm_plugin_slave_voices(plugin, samples, &dst_voices)) < 0)
return err;
@ -1121,6 +1126,7 @@ ssize_t snd_pcm_plug_read_transfer(snd_pcm_plugin_handle_t *handle, snd_pcm_plug
snd_pcm_plug_buf_unlock(handle, SND_PCM_CHANNEL_CAPTURE, src_voices->aptr);
return err;
}
samples = err;
} else {
dst_voices = dst_voices_final;
}