mirror of
https://github.com/alsa-project/alsa-lib.git
synced 2025-11-04 13:30:08 -05:00
Abramo Bagnara <abramo@alsa-project.org>
- cleaned oss capture - fixed conversion plugin insertion card share: - fixed bugs in group control - give to OSS mixer a chance to control as more elements as possible
This commit is contained in:
Jaroslav Kysela
parent
76d4466882
commit
b563621421
3 changed files with 131 additions and 87 deletions
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@ -240,44 +240,45 @@ int snd_pcm_plugin_hwparams(snd_pcm_channel_params_t *params,
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int snd_pcm_plugin_format(PLUGIN_BASE *pb,
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snd_pcm_channel_params_t *params,
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snd_pcm_channel_params_t *hwparams,
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snd_pcm_channel_info_t *hwinfo,
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snd_pcm_channel_params_t *newparams)
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snd_pcm_channel_info_t *hwinfo)
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{
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snd_pcm_channel_params_t tmpparams;
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snd_pcm_channel_params_t *dstparams;
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snd_pcm_channel_params_t dstparams;
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snd_pcm_channel_params_t *srcparams;
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snd_pcm_plugin_t *plugin;
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int err;
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if (params->channel == SND_PCM_CHANNEL_PLAYBACK) {
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memcpy(newparams, params, sizeof(*params));
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memcpy(&tmpparams, params, sizeof(*params));
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dstparams = hwparams;
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memcpy(&dstparams, hwparams, sizeof(*hwparams));
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srcparams = hwparams;
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memcpy(srcparams, params, sizeof(*params));
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} else {
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memcpy(newparams, hwparams, sizeof(*hwparams));
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memcpy(&tmpparams, hwparams, sizeof(*hwparams));
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dstparams = params;
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memcpy(&dstparams, params, sizeof(*params));
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srcparams = params;
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memcpy(srcparams, hwparams, sizeof(*hwparams));
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}
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pdprintf("newparams: interleave=%i, format=%i, rate=%i, voices=%i\n",
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newparams->format.interleave,
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newparams->format.format,
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newparams->format.rate,
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newparams->format.voices);
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memcpy(&tmpparams, srcparams, sizeof(*srcparams));
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pdprintf("srcparams: interleave=%i, format=%i, rate=%i, voices=%i\n",
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srcparams->format.interleave,
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srcparams->format.format,
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srcparams->format.rate,
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srcparams->format.voices);
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pdprintf("dstparams: interleave=%i, format=%i, rate=%i, voices=%i\n",
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dstparams->format.interleave,
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dstparams->format.format,
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dstparams->format.rate,
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dstparams->format.voices);
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dstparams.format.interleave,
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dstparams.format.format,
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dstparams.format.rate,
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dstparams.format.voices);
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/* Convert to interleaved format if needed */
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if (!newparams->format.interleave &&
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(newparams->format.voices != dstparams->format.voices ||
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(newparams->format.rate != dstparams->format.rate &&
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newparams->format.voices > 1))) {
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if (!srcparams->format.interleave &&
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(srcparams->format.voices != dstparams.format.voices ||
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(srcparams->format.rate != dstparams.format.rate &&
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srcparams->format.voices > 1))) {
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tmpparams.format.interleave = 1;
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err = snd_pcm_plugin_build_interleave(&newparams->format,
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err = snd_pcm_plugin_build_interleave(&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", newparams->format.interleave, tmpparams.format.interleave, err);
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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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@ -287,20 +288,20 @@ int snd_pcm_plugin_format(PLUGIN_BASE *pb,
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snd_pcm_plugin_free(plugin);
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return err;
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}
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newparams->format.interleave = 1;
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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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dstparams.format.interleave = 1;
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}
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/* voices reduction */
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if (newparams->format.voices > dstparams->format.voices) {
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tmpparams.format.voices = dstparams->format.voices;
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err = snd_pcm_plugin_build_voices(&newparams->format,
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if (srcparams->format.voices > dstparams.format.voices) {
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tmpparams.format.voices = dstparams.format.voices;
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err = snd_pcm_plugin_build_voices(&srcparams->format,
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&tmpparams.format,
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&plugin);
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pdprintf("params voices reduction: src=%i, dst=%i returns %i\n", newparams->format.voices, tmpparams.format.voices, err);
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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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@ -310,19 +311,19 @@ int snd_pcm_plugin_format(PLUGIN_BASE *pb,
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snd_pcm_plugin_free(plugin);
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return err;
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}
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newparams->format.voices = dstparams->format.voices;
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srcparams->format.voices = tmpparams.format.voices;
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}
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/* rate down resampling */
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if (newparams->format.rate > dstparams->format.rate &&
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snd_pcm_format_linear(newparams->format.format) &&
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snd_pcm_format_width(newparams->format.format) <= 16 &&
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snd_pcm_format_width(newparams->format.format) >= snd_pcm_format_width(newparams->format.format)) {
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tmpparams.format.rate = dstparams->format.rate;
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err = snd_pcm_plugin_build_rate(&newparams->format,
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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(&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", newparams->format.rate, tmpparams.format.rate, err);
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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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@ -332,36 +333,36 @@ int snd_pcm_plugin_format(PLUGIN_BASE *pb,
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snd_pcm_plugin_free(plugin);
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return err;
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}
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newparams->format.rate = dstparams->format.rate;
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srcparams->format.rate = tmpparams.format.rate;
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}
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/* format change */
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if (newparams->format.format != dstparams->format.format) {
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tmpparams.format.format = dstparams->format.format;
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switch (newparams->format.format) {
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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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switch (srcparams->format.format) {
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case SND_PCM_SFMT_MU_LAW:
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err = snd_pcm_plugin_build_mulaw(&newparams->format,
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err = snd_pcm_plugin_build_mulaw(&srcparams->format,
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&tmpparams.format,
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&plugin);
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break;
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#ifndef __KERNEL__
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case SND_PCM_SFMT_A_LAW:
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err = snd_pcm_plugin_build_alaw(&newparams->format,
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err = snd_pcm_plugin_build_alaw(&srcparams->format,
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&tmpparams.format,
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&plugin);
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break;
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case SND_PCM_SFMT_IMA_ADPCM:
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err = snd_pcm_plugin_build_adpcm(&newparams->format,
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err = snd_pcm_plugin_build_adpcm(&srcparams->format,
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&tmpparams.format,
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&plugin);
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break;
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#endif
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default:
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err = snd_pcm_plugin_build_linear(&newparams->format,
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&tmpparams.format,
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&plugin);
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return -EINVAL;
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}
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pdprintf("params format change: src=%i, dst=%i returns %i\n", newparams->format.format, tmpparams.format.format, err);
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pdprintf("params format change: src=%i, dst=%i returns %i\n", srcparams->format.format, tmpparams.format.format, err);
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if (err < 0)
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return err;
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err = snd_pcm_plugin_append(pb, params->channel, plugin);
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@ -369,16 +370,58 @@ int snd_pcm_plugin_format(PLUGIN_BASE *pb,
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snd_pcm_plugin_free(plugin);
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return err;
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}
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newparams->format.format = dstparams->format.format;
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srcparams->format.format = tmpparams.format.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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err = snd_pcm_plugin_build_mulaw(&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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err = snd_pcm_plugin_build_alaw(&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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err = snd_pcm_plugin_build_adpcm(&srcparams->format,
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&tmpparams.format,
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&plugin);
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}
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#endif
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else if (snd_pcm_format_linear(srcparams->format.format) &&
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snd_pcm_format_linear(tmpparams.format.format)) {
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err = snd_pcm_plugin_build_linear(&srcparams->format,
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&tmpparams.format,
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&plugin);
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}
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else
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return -EINVAL;
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pdprintf("params format change: src=%i, dst=%i returns %i\n", srcparams->format.format, tmpparams.format.format, err);
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if (err < 0)
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return err;
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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.format = tmpparams.format.format;
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}
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/* rate resampling */
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if (newparams->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(&newparams->format,
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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(&srcparams->format,
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&tmpparams.format,
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&plugin);
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pdprintf("params rate resampling: src=%i, dst=%i return %i\n", newparams->format.rate, tmpparams.format.rate, err);
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pdprintf("params rate resampling: src=%i, dst=%i return %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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@ -388,16 +431,16 @@ int snd_pcm_plugin_format(PLUGIN_BASE *pb,
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snd_pcm_plugin_free(plugin);
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return err;
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}
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newparams->format.rate = dstparams->format.rate;
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srcparams->format.rate = tmpparams.format.rate;
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}
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/* voices extension */
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if (newparams->format.voices != dstparams->format.voices) {
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tmpparams.format.voices = dstparams->format.voices;
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err = snd_pcm_plugin_build_voices(&newparams->format,
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if (srcparams->format.voices != dstparams.format.voices) {
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tmpparams.format.voices = dstparams.format.voices;
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err = snd_pcm_plugin_build_voices(&srcparams->format,
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&tmpparams.format,
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&plugin);
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pdprintf("params voices extension: src=%i, dst=%i returns %i\n", newparams->format.voices, tmpparams.format.voices, err);
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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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@ -407,18 +450,18 @@ int snd_pcm_plugin_format(PLUGIN_BASE *pb,
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snd_pcm_plugin_free(plugin);
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return err;
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}
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newparams->format.voices = dstparams->format.voices;
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srcparams->format.voices = tmpparams.format.voices;
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}
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/* interleave change */
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if (dstparams->format.voices > 1 &&
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if (dstparams.format.voices > 1 &&
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hwinfo->mode == SND_PCM_MODE_BLOCK &&
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newparams->format.interleave != dstparams->format.interleave) {
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tmpparams.format.interleave = dstparams->format.interleave;
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err = snd_pcm_plugin_build_interleave(&newparams->format,
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srcparams->format.interleave != dstparams.format.interleave) {
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tmpparams.format.interleave = dstparams.format.interleave;
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err = snd_pcm_plugin_build_interleave(&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 return %i\n", newparams->format.interleave, tmpparams.format.interleave, err);
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pdprintf("params interleave change: src=%i, dst=%i return %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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@ -428,11 +471,12 @@ int snd_pcm_plugin_format(PLUGIN_BASE *pb,
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snd_pcm_plugin_free(plugin);
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return err;
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}
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newparams->format.interleave = dstparams->format.interleave;
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srcparams->format.interleave = tmpparams.format.interleave;
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}
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if (params->channel == SND_PCM_CHANNEL_CAPTURE)
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*newparams = *hwparams;
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pdprintf("newparams: interleave=%i, format=%i, rate=%i, voices=%i\n",
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srcparams->format.interleave,
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srcparams->format.format,
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srcparams->format.rate,
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srcparams->format.voices);
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return 0;
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}
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