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- splitted mmap in logical steps

Browse source 
- optimized mmap transfer
- completed mmap helpers
- renamed pcm_plugin_build.c to pcm_common.c
This commit is contained in:
Abramo Bagnara 2000-05-16 15:20:34 +00:00
parent 5b42e338bb
commit 7b054f4dce
17 changed files with 658 additions and 781 deletions
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28
src/pcm/plugin/route.c
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@ -81,7 +81,7 @@ static void route_to_voice_zero(snd_pcm_plugin_t *plugin,
ttable_dst_t* ttable UNUSED, size_t samples)
{
if (dst_voice->wanted)
snd_pcm_plugin_silence_voice(plugin, dst_voice, samples);
snd_pcm_area_silence(&dst_voice->area, 0, samples, plugin->dst_format.format);
dst_voice->enabled = 0;
}
@ -101,7 +101,7 @@ static void route_to_voice_one(snd_pcm_plugin_t *plugin,
int src_step, dst_step;
for (srcidx = 0; srcidx < ttable->nsrcs; ++srcidx) {
src_voice = &src_voices[ttable->srcs[srcidx].voice];
if (src_voice->addr != NULL)
if (src_voice->area.addr != NULL)
break;
}
if (srcidx == ttable->nsrcs) {
@ -111,10 +111,10 @@ static void route_to_voice_one(snd_pcm_plugin_t *plugin,
dst_voice->enabled = 1;
conv = conv_labels[data->conv];
src = src_voice->addr + src_voice->first / 8;
src_step = src_voice->step / 8;
dst = dst_voice->addr + dst_voice->first / 8;
dst_step = dst_voice->step / 8;
src = src_voice->area.addr + src_voice->area.first / 8;
src_step = src_voice->area.step / 8;
dst = dst_voice->area.addr + dst_voice->area.first / 8;
dst_step = dst_voice->area.step / 8;
while (samples-- > 0) {
goto *conv;
#define CONV_END after
@ -190,8 +190,8 @@ static void route_to_voice(snd_pcm_plugin_t *plugin,
const snd_pcm_plugin_voice_t *src_voice = &src_voices[ttable->srcs[srcidx].voice];
if (!src_voice->enabled)
continue;
srcs[srcidx1] = src_voice->addr + src_voices->first / 8;
src_steps[srcidx1] = src_voice->step / 8;
srcs[srcidx1] = src_voice->area.addr + src_voices->area.first / 8;
src_steps[srcidx1] = src_voice->area.step / 8;
src_tt[srcidx1] = ttable->srcs[srcidx];
srcidx1++;
}
@ -210,8 +210,8 @@ static void route_to_voice(snd_pcm_plugin_t *plugin,
add = add_labels[data->sum_type * 2 + ttable->att];
norm = norm_labels[data->sum_type * 8 + ttable->att * 4 + 4 - data->src_sample_size];
put32 = put32_labels[data->put];
dst = dst_voice->addr + dst_voice->first / 8;
dst_step = dst_voice->step / 8;
dst = dst_voice->area.addr + dst_voice->area.first / 8;
dst_step = dst_voice->area.step / 8;
while (samples-- > 0) {
ttable_src_t *ttp = src_tt;
@ -513,15 +513,15 @@ static ssize_t route_transfer(snd_pcm_plugin_t *plugin,
src_nvoices = plugin->src_format.voices;
for (src_voice = 0; src_voice < src_nvoices; ++src_voice) {
if (src_voices[src_voice].first % 8 != 0 ||
src_voices[src_voice].step % 8 != 0)
if (src_voices[src_voice].area.first % 8 != 0 ||
src_voices[src_voice].area.step % 8 != 0)
return -EINVAL;
}
dst_nvoices = plugin->dst_format.voices;
for (dst_voice = 0; dst_voice < dst_nvoices; ++dst_voice) {
if (dst_voices[dst_voice].first % 8 != 0 ||
dst_voices[dst_voice].step % 8 != 0)
if (dst_voices[dst_voice].area.first % 8 != 0 ||
dst_voices[dst_voice].area.step % 8 != 0)
return -EINVAL;
}