mirror of
https://github.com/alsa-project/alsa-lib.git
synced 2025-10-29 05:40:25 -04:00
Fixed plugins
This commit is contained in:
Abramo Bagnara
parent
e963b9f371
commit
eda7dab1a0
3 changed files with 153 additions and 196 deletions
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@ -214,7 +214,7 @@ int snd_pcm_plugin_build_rate(snd_pcm_plugin_handle_t *handle,
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int snd_pcm_plugin_build_route(snd_pcm_plugin_handle_t *handle,
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snd_pcm_format_t *src_format,
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snd_pcm_format_t *dst_format,
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int *ttable,
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ttable_entry_t *ttable,
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snd_pcm_plugin_t **r_plugin);
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/*
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@ -51,8 +51,16 @@ int snd_pcm_plugin_format(snd_pcm_t *pcm,
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snd_pcm_channel_params_t *hwparams,
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snd_pcm_channel_info_t *hwinfo);
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#if 0
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#define PLUGIN_DEBUG
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#define ROUTE_PLUGIN_RESOLUTION 16
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int getput_index(int format);
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int copy_index(int src_format, int dst_format);
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void zero_voice(snd_pcm_plugin_t *plugin,
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const snd_pcm_plugin_voice_t *dst_voice,
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size_t samples);
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#ifdef PLUGIN_DEBUG
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#define pdprintf( args... ) printf( "plugin: " ##args)
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#else
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#define pdprintf( args... ) { ; }
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@ -19,10 +19,10 @@
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*
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*/
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#ifdef __KERNEL__
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#if 0
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#define PLUGIN_DEBUG
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#endif
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#ifdef __KERNEL__
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#include "../include/driver.h"
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#include "../include/pcm.h"
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#define snd_pcm_plugin_first(pb, channel) ((pb)->oss.plugin_first)
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@ -49,8 +49,10 @@ ssize_t snd_pcm_plugin_src_samples_to_size(snd_pcm_plugin_t *plugin, size_t samp
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if (plugin == NULL)
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return -EINVAL;
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result = samples * plugin->src_format.voices * plugin->src_width;
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#if 0
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if ((result % 8) != 0)
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return -EINVAL;
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#endif
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return result / 8;
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}
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@ -61,8 +63,10 @@ ssize_t snd_pcm_plugin_dst_samples_to_size(snd_pcm_plugin_t *plugin, size_t samp
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if (plugin == NULL)
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return -EINVAL;
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result = samples * plugin->dst_format.voices * plugin->dst_width;
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#if 0
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if ((result % 8) != 0)
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return -EINVAL;
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#endif
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return result / 8;
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}
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@ -75,8 +79,10 @@ ssize_t snd_pcm_plugin_src_size_to_samples(snd_pcm_plugin_t *plugin, size_t size
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return -EINVAL;
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result = size * 8;
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tmp = plugin->src_format.voices * plugin->src_width;
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#if 0
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if ((result % tmp) != 0)
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return -EINVAL;
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#endif
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return result / tmp;
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}
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@ -89,8 +95,10 @@ ssize_t snd_pcm_plugin_dst_size_to_samples(snd_pcm_plugin_t *plugin, size_t size
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return -EINVAL;
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result = size * 8;
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tmp = plugin->dst_format.voices * plugin->dst_width;
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#if 0
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if ((result % tmp) != 0)
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return -EINVAL;
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#endif
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return result / tmp;
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}
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@ -172,7 +180,9 @@ ssize_t snd_pcm_plugin_client_size(snd_pcm_plugin_handle_t *pb, int channel, siz
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return -EINVAL;
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if (channel == SND_PCM_CHANNEL_PLAYBACK) {
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plugin = snd_pcm_plugin_last(pb, SND_PCM_CHANNEL_PLAYBACK);
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result = snd_pcm_plugin_src_size_to_samples(plugin, drv_size);
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if (plugin == NULL)
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return drv_size;
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result = snd_pcm_plugin_dst_size_to_samples(plugin, drv_size);
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result = snd_pcm_plugin_client_samples(pb, SND_PCM_CHANNEL_PLAYBACK, result);
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if (result < 0)
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return result;
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@ -180,6 +190,8 @@ ssize_t snd_pcm_plugin_client_size(snd_pcm_plugin_handle_t *pb, int channel, siz
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result = snd_pcm_plugin_src_samples_to_size(plugin, result);
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} else if (channel == SND_PCM_CHANNEL_CAPTURE) {
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plugin = snd_pcm_plugin_first(pb, SND_PCM_CHANNEL_CAPTURE);
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if (plugin == NULL)
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return drv_size;
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result = snd_pcm_plugin_src_size_to_samples(plugin, drv_size);
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result = snd_pcm_plugin_client_samples(pb, SND_PCM_CHANNEL_PLAYBACK, result);
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plugin = snd_pcm_plugin_last(pb, SND_PCM_CHANNEL_CAPTURE);
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@ -202,6 +214,8 @@ ssize_t snd_pcm_plugin_hardware_size(snd_pcm_plugin_handle_t *pb, int channel, s
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return -EINVAL;
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if (channel == SND_PCM_CHANNEL_PLAYBACK) {
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plugin = snd_pcm_plugin_first(pb, SND_PCM_CHANNEL_PLAYBACK);
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if (plugin == NULL)
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return clt_size;
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result = snd_pcm_plugin_src_size_to_samples(plugin, clt_size);
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result = snd_pcm_plugin_hardware_samples(pb, SND_PCM_CHANNEL_PLAYBACK, result);
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if (result < 0)
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@ -210,12 +224,14 @@ ssize_t snd_pcm_plugin_hardware_size(snd_pcm_plugin_handle_t *pb, int channel, s
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result = snd_pcm_plugin_dst_samples_to_size(plugin, result);
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} else if (channel == SND_PCM_CHANNEL_CAPTURE) {
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plugin = snd_pcm_plugin_last(pb, SND_PCM_CHANNEL_CAPTURE);
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result = snd_pcm_plugin_src_size_to_samples(plugin, clt_size);
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if (plugin == NULL)
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return clt_size;
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result = snd_pcm_plugin_dst_size_to_samples(plugin, clt_size);
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result = snd_pcm_plugin_hardware_samples(pb, SND_PCM_CHANNEL_PLAYBACK, result);
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if (result < 0)
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return result;
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plugin = snd_pcm_plugin_first(pb, SND_PCM_CHANNEL_CAPTURE);
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result = snd_pcm_plugin_dst_samples_to_size(plugin, result);
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result = snd_pcm_plugin_src_samples_to_size(plugin, result);
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}
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return result;
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}
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@ -347,7 +363,15 @@ int snd_pcm_plugin_hwparams(snd_pcm_channel_params_t *params,
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return 0;
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}
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#define ROUTE_PLUGIN_RESOLUTION 16
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#ifdef __KERNEL__
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#define FULL ROUTE_PLUGIN_RESOLUTION
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#define HALF ROUTE_PLUGIN_RESOLUTION / 2
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typedef int ttable_entry_t;
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#else
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#define FULL 1.0
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#define HALF 0.5
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typedef float ttable_entry_t;
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#endif
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int snd_pcm_plugin_format(snd_pcm_plugin_handle_t *pb,
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snd_pcm_channel_params_t *params,
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@ -387,100 +411,15 @@ int snd_pcm_plugin_format(snd_pcm_plugin_handle_t *pb,
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dstparams.format.rate,
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dstparams.format.voices);
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/* voices reduction */
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if (srcparams->format.voices > dstparams.format.voices) {
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#if 0
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int sv = srcparams->format.voices;
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int dv = dstparams.format.voices;
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int *ttable = my_calloc(dv*sv*sizeof(*ttable));
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#if 1
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if (sv == 2 && dv == 1) {
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ttable[0] = ROUTE_PLUGIN_RESOLUTION / 2;
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ttable[1] = ROUTE_PLUGIN_RESOLUTION / 2;
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} else
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#endif
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{
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int v;
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for (v = 0; v < dv; ++v)
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ttable[v * sv + v] = ROUTE_PLUGIN_RESOLUTION;
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}
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tmpparams.format.voices = dstparams.format.voices;
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err = snd_pcm_plugin_build_route(&srcparams->format,
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&tmpparams.format,
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ttable,
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&plugin);
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my_free(ttable);
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pdprintf("params voices reduction: src=%i, dst=%i returns %i\n", srcparams->format.voices, tmpparams.format.voices, err);
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if (err < 0) {
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snd_pcm_plugin_free(plugin);
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return err;
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}
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err = snd_pcm_plugin_append(pb, params->channel, plugin);
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if (err < 0) {
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snd_pcm_plugin_free(plugin);
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return err;
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}
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srcparams->format.voices = tmpparams.format.voices;
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#else
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snd_pcm_plugin_free(plugin);
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return -EIO;
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#endif
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}
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/* Convert to interleaved format if needed */
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if (!srcparams->format.interleave &&
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srcparams->format.voices > 1 &&
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srcparams->format.rate != dstparams.format.rate) {
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tmpparams.format.interleave = 1;
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err = snd_pcm_plugin_build_interleave(pb,
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&srcparams->format,
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&tmpparams.format,
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&plugin);
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pdprintf("params interleave change: src=%i, dst=%i returns %i\n", srcparams->format.interleave, tmpparams.format.interleave, err);
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if (err < 0) {
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snd_pcm_plugin_free(plugin);
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return err;
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}
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err = snd_pcm_plugin_append(pb, params->channel, plugin);
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if (err < 0) {
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snd_pcm_plugin_free(plugin);
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return err;
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}
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srcparams->format.interleave = 1;
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/* Avoid useless interleave revert */
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if (params->channel == SND_PCM_CHANNEL_PLAYBACK &&
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(hwinfo->flags & SND_PCM_CHNINFO_INTERLEAVE))
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dstparams.format.interleave = 1;
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}
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/* rate down resampling */
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if (srcparams->format.rate > dstparams.format.rate &&
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snd_pcm_format_linear(srcparams->format.format) &&
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snd_pcm_format_width(srcparams->format.format) <= 16 &&
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snd_pcm_format_width(srcparams->format.format) >= snd_pcm_format_width(srcparams->format.format)) {
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tmpparams.format.rate = dstparams.format.rate;
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err = snd_pcm_plugin_build_rate(pb,
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&srcparams->format,
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&tmpparams.format,
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&plugin);
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pdprintf("params rate down resampling: src=%i, dst=%i returns %i\n", srcparams->format.rate, tmpparams.format.rate, err);
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if (err < 0) {
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snd_pcm_plugin_free(plugin);
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return err;
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}
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err = snd_pcm_plugin_append(pb, params->channel, plugin);
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if (err < 0) {
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snd_pcm_plugin_free(plugin);
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return err;
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}
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srcparams->format.rate = tmpparams.format.rate;
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}
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/* format change (linearization) */
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if (srcparams->format.format != dstparams.format.format &&
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!snd_pcm_format_linear(srcparams->format.format) &&
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!snd_pcm_format_linear(dstparams.format.format)) {
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tmpparams.format.format = SND_PCM_SFMT_S16_LE;
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/* Format change (linearization) */
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if ((srcparams->format.format != dstparams.format.format ||
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srcparams->format.rate != dstparams.format.rate ||
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srcparams->format.voices != dstparams.format.voices) &&
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!snd_pcm_format_linear(srcparams->format.format)) {
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if (snd_pcm_format_linear(dstparams.format.format))
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tmpparams.format.format = dstparams.format.format;
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else
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tmpparams.format.format = SND_PCM_SFMT_S16;
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switch (srcparams->format.format) {
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case SND_PCM_SFMT_MU_LAW:
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err = snd_pcm_plugin_build_mulaw(pb,
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@ -513,29 +452,125 @@ int snd_pcm_plugin_format(snd_pcm_plugin_handle_t *pb,
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snd_pcm_plugin_free(plugin);
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return err;
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}
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srcparams->format.format = tmpparams.format.format;
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srcparams->format = tmpparams.format;
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}
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/* voices reduction */
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if (srcparams->format.voices > dstparams.format.voices) {
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int sv = srcparams->format.voices;
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int dv = dstparams.format.voices;
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ttable_entry_t *ttable = my_calloc(dv*sv*sizeof(*ttable));
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#if 1
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if (sv == 2 && dv == 1) {
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ttable[0] = HALF;
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ttable[1] = HALF;
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} else
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#endif
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{
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int v;
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for (v = 0; v < dv; ++v)
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ttable[v * sv + v] = FULL;
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}
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tmpparams.format.voices = dstparams.format.voices;
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if (srcparams->format.rate == dstparams.format.rate &&
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snd_pcm_format_linear(dstparams.format.format))
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tmpparams.format.format = dstparams.format.format;
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err = snd_pcm_plugin_build_route(pb, &srcparams->format,
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&tmpparams.format,
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ttable,
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&plugin);
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my_free(ttable);
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pdprintf("params voices reduction: src=%i, dst=%i returns %i\n", srcparams->format.voices, tmpparams.format.voices, err);
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if (err < 0) {
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snd_pcm_plugin_free(plugin);
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return err;
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}
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err = snd_pcm_plugin_append(pb, params->channel, plugin);
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if (err < 0) {
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snd_pcm_plugin_free(plugin);
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return err;
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}
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srcparams->format = tmpparams.format;
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}
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/* rate resampling */
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if (srcparams->format.rate != dstparams.format.rate) {
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tmpparams.format.rate = dstparams.format.rate;
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if (srcparams->format.voices == dstparams.format.voices &&
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snd_pcm_format_linear(dstparams.format.format))
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tmpparams.format.format = dstparams.format.format;
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err = snd_pcm_plugin_build_rate(pb,
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&srcparams->format,
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&tmpparams.format,
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&plugin);
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pdprintf("params rate down resampling: src=%i, dst=%i returns %i\n", srcparams->format.rate, tmpparams.format.rate, err);
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if (err < 0) {
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snd_pcm_plugin_free(plugin);
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return err;
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}
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err = snd_pcm_plugin_append(pb, params->channel, plugin);
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if (err < 0) {
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snd_pcm_plugin_free(plugin);
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return err;
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}
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srcparams->format = tmpparams.format;
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}
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/* voices extension */
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if (srcparams->format.voices < dstparams.format.voices) {
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int sv = srcparams->format.voices;
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int dv = dstparams.format.voices;
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ttable_entry_t *ttable = my_calloc(dv * sv * sizeof(*ttable));
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#if 1
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if (sv == 1 && dv == 2) {
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ttable[0] = FULL;
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ttable[1] = FULL;
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} else
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#endif
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{
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int v;
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for (v = 0; v < sv; ++v)
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ttable[v * sv + v] = FULL;
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}
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tmpparams.format.voices = dstparams.format.voices;
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if (snd_pcm_format_linear(dstparams.format.format))
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tmpparams.format.format = dstparams.format.format;
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err = snd_pcm_plugin_build_route(pb,
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&srcparams->format,
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&tmpparams.format,
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ttable,
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&plugin);
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my_free(ttable);
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pdprintf("params voices extension: src=%i, dst=%i returns %i\n", srcparams->format.voices, tmpparams.format.voices, err);
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if (err < 0) {
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snd_pcm_plugin_free(plugin);
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return err;
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}
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err = snd_pcm_plugin_append(pb, params->channel, plugin);
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if (err < 0) {
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snd_pcm_plugin_free(plugin);
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return err;
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}
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srcparams->format = tmpparams.format;
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}
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/* format change */
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if (srcparams->format.format != dstparams.format.format) {
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tmpparams.format.format = dstparams.format.format;
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if (srcparams->format.format == SND_PCM_SFMT_MU_LAW ||
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tmpparams.format.format == SND_PCM_SFMT_MU_LAW) {
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if (tmpparams.format.format == SND_PCM_SFMT_MU_LAW) {
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err = snd_pcm_plugin_build_mulaw(pb,
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&srcparams->format,
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&tmpparams.format,
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&plugin);
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}
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#ifndef __KERNEL__
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else if (srcparams->format.format == SND_PCM_SFMT_A_LAW ||
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tmpparams.format.format == SND_PCM_SFMT_A_LAW) {
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else if (tmpparams.format.format == SND_PCM_SFMT_A_LAW) {
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err = snd_pcm_plugin_build_alaw(pb,
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&srcparams->format,
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&tmpparams.format,
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&plugin);
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}
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else if (srcparams->format.format == SND_PCM_SFMT_IMA_ADPCM ||
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tmpparams.format.format == SND_PCM_SFMT_IMA_ADPCM) {
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else if (tmpparams.format.format == SND_PCM_SFMT_IMA_ADPCM) {
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err = snd_pcm_plugin_build_adpcm(pb,
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&srcparams->format,
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&tmpparams.format,
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@ -559,94 +594,8 @@ int snd_pcm_plugin_format(snd_pcm_plugin_handle_t *pb,
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snd_pcm_plugin_free(plugin);
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return err;
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}
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srcparams->format.format = tmpparams.format.format;
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srcparams->format = tmpparams.format;
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}
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/* rate resampling */
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if (srcparams->format.rate != dstparams.format.rate) {
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tmpparams.format.rate = dstparams.format.rate;
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err = snd_pcm_plugin_build_rate(pb,
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&srcparams->format,
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&tmpparams.format,
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&plugin);
|
||||
pdprintf("params rate resampling: src=%i, dst=%i return %i\n", srcparams->format.rate, tmpparams.format.rate, err);
|
||||
if (err < 0) {
|
||||
snd_pcm_plugin_free(plugin);
|
||||
return err;
|
||||
}
|
||||
err = snd_pcm_plugin_append(pb, params->channel, plugin);
|
||||
if (err < 0) {
|
||||
snd_pcm_plugin_free(plugin);
|
||||
return err;
|
||||
}
|
||||
srcparams->format.rate = tmpparams.format.rate;
|
||||
}
|
||||
|
||||
/* voices extension */
|
||||
if (srcparams->format.voices < dstparams.format.voices) {
|
||||
#if 0
|
||||
int sv = srcparams->format.voices;
|
||||
int dv = dstparams.format.voices;
|
||||
int *ttable = my_calloc(dv * sv * sizeof(*ttable));
|
||||
#if 1
|
||||
if (sv == 1 && dv == 2) {
|
||||
ttable[0] = ROUTE_PLUGIN_RESOLUTION;
|
||||
ttable[1] = ROUTE_PLUGIN_RESOLUTION;
|
||||
} else
|
||||
#endif
|
||||
{
|
||||
int v;
|
||||
for (v = 0; v < sv; ++v)
|
||||
ttable[v * sv + v] = ROUTE_PLUGIN_RESOLUTION;
|
||||
}
|
||||
tmpparams.format.voices = dstparams.format.voices;
|
||||
err = snd_pcm_plugin_build_route(&srcparams->format,
|
||||
&tmpparams.format,
|
||||
ttable,
|
||||
&plugin);
|
||||
my_free(ttable);
|
||||
pdprintf("params voices extension: src=%i, dst=%i returns %i\n", srcparams->format.voices, tmpparams.format.voices, err);
|
||||
if (err < 0) {
|
||||
snd_pcm_plugin_free(plugin);
|
||||
return err;
|
||||
}
|
||||
err = snd_pcm_plugin_append(pb, params->channel, plugin);
|
||||
if (err < 0) {
|
||||
snd_pcm_plugin_free(plugin);
|
||||
return err;
|
||||
}
|
||||
srcparams->format.voices = tmpparams.format.voices;
|
||||
#else
|
||||
snd_pcm_plugin_free(plugin);
|
||||
return -EIO;
|
||||
#endif
|
||||
}
|
||||
|
||||
/* interleave change */
|
||||
if (dstparams.format.voices > 1 &&
|
||||
hwinfo->mode == SND_PCM_MODE_BLOCK &&
|
||||
srcparams->format.interleave != dstparams.format.interleave) {
|
||||
tmpparams.format.interleave = dstparams.format.interleave;
|
||||
err = snd_pcm_plugin_build_interleave(pb,
|
||||
&srcparams->format,
|
||||
&tmpparams.format,
|
||||
&plugin);
|
||||
pdprintf("params interleave change: src=%i, dst=%i return %i\n", srcparams->format.interleave, tmpparams.format.interleave, err);
|
||||
if (err < 0) {
|
||||
snd_pcm_plugin_free(plugin);
|
||||
return err;
|
||||
}
|
||||
err = snd_pcm_plugin_append(pb, params->channel, plugin);
|
||||
if (err < 0) {
|
||||
snd_pcm_plugin_free(plugin);
|
||||
return err;
|
||||
}
|
||||
srcparams->format.interleave = tmpparams.format.interleave;
|
||||
}
|
||||
pdprintf("newparams: interleave=%i, format=%i, rate=%i, voices=%i\n",
|
||||
srcparams->format.interleave,
|
||||
srcparams->format.format,
|
||||
srcparams->format.rate,
|
||||
srcparams->format.voices);
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue