diff options
author | Lennart Poettering <lennart@poettering.net> | 2006-01-27 16:25:31 +0000 |
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committer | Lennart Poettering <lennart@poettering.net> | 2006-01-27 16:25:31 +0000 |
commit | dd10c982414dfa8fbb9aeeeae61c68e4a6f081cc (patch) | |
tree | 8c05e4a7344570c2f4d40854baddeff7cc353709 /polyp/module-oss.c | |
parent | 759721cbbc265cc6ce4c5dd9141e00ca67c8fe2d (diff) |
Mega patch:
* implement inner loops using liboil
* drop "typeid" stuff
* add support for channel maps
* add support for seperate volumes per channel
* add support for hardware mixer settings (only module-oss implements this for now)
* fix a lot of types for _t suffix
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@463 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'polyp/module-oss.c')
-rw-r--r-- | polyp/module-oss.c | 54 |
1 files changed, 49 insertions, 5 deletions
diff --git a/polyp/module-oss.c b/polyp/module-oss.c index 06679a97..b5c7ae8c 100644 --- a/polyp/module-oss.c +++ b/polyp/module-oss.c @@ -52,8 +52,6 @@ PA_MODULE_DESCRIPTION("OSS Sink/Source") PA_MODULE_VERSION(PACKAGE_VERSION) PA_MODULE_USAGE("sink_name=<name for the sink> source_name=<name for the source> device=<OSS device> record=<enable source?> playback=<enable sink?> format=<sample format> channels=<number of channels> rate=<sample rate> fragments=<number of fragments> fragment_size=<fragment size>") -#define PA_TYPEID_OSS PA_TYPEID_MAKE('O', 'S', 'S', '_') - struct userdata { pa_sink *sink; pa_source *source; @@ -222,7 +220,7 @@ static pa_usec_t sink_get_latency_cb(pa_sink *s) { assert(s && u && u->sink); if (ioctl(u->fd, SNDCTL_DSP_GETODELAY, &arg) < 0) { - pa_log_info(__FILE__": device doesn't support SNDCTL_DSP_GETODELAY.\n"); + pa_log_info(__FILE__": device doesn't support SNDCTL_DSP_GETODELAY: %s\n", strerror(errno)); s->get_latency = NULL; return 0; } @@ -254,6 +252,46 @@ static pa_usec_t source_get_latency_cb(pa_source *s) { return pa_bytes_to_usec(info.bytes, &s->sample_spec); } +static int sink_get_hw_volume(pa_sink *s) { + struct userdata *u = s->userdata; + char cv[PA_CVOLUME_SNPRINT_MAX]; + unsigned vol; + + if (ioctl(u->fd, SOUND_MIXER_READ_PCM, &vol) < 0) { + pa_log_info(__FILE__": device doesn't support reading mixer settings: %s\n", strerror(errno)); + s->get_hw_volume = NULL; + return -1; + } + + s->hw_volume.values[0] = ((vol & 0xFF) * PA_VOLUME_NORM) / 100; + + if ((s->hw_volume.channels = s->sample_spec.channels) >= 2) + s->hw_volume.values[1] = (((vol >> 8) & 0xFF) * PA_VOLUME_NORM) / 100; + + pa_log_info(__FILE__": Read mixer settings: %s\n", pa_cvolume_snprint(cv, sizeof(cv), &s->hw_volume)); + return 0; +} + +static int sink_set_hw_volume(pa_sink *s) { + struct userdata *u = s->userdata; + char cv[PA_CVOLUME_SNPRINT_MAX]; + unsigned vol; + + vol = (s->hw_volume.values[0]*100)/PA_VOLUME_NORM; + + if (s->sample_spec.channels >= 2) + vol |= ((s->hw_volume.values[1]*100)/PA_VOLUME_NORM) << 8; + + if (ioctl(u->fd, SOUND_MIXER_WRITE_PCM, &vol) < 0) { + pa_log_info(__FILE__": device doesn't support writing mixer settings: %s\n", strerror(errno)); + s->set_hw_volume = NULL; + return -1; + } + + pa_log_info(__FILE__": Wrote mixer settings: %s\n", pa_cvolume_snprint(cv, sizeof(cv), &s->hw_volume)); + return 0; +} + int pa__init(pa_core *c, pa_module*m) { struct audio_buf_info info; struct userdata *u = NULL; @@ -332,7 +370,7 @@ int pa__init(pa_core *c, pa_module*m) { } if (mode != O_WRONLY) { - u->source = pa_source_new(c, PA_TYPEID_OSS, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME), 0, &ss); + u->source = pa_source_new(c, __FILE__, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME), 0, &ss, NULL); assert(u->source); u->source->userdata = u; u->source->notify = source_notify_cb; @@ -343,9 +381,11 @@ int pa__init(pa_core *c, pa_module*m) { u->source = NULL; if (mode != O_RDONLY) { - u->sink = pa_sink_new(c, PA_TYPEID_OSS, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss); + u->sink = pa_sink_new(c, __FILE__, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss, NULL); assert(u->sink); u->sink->get_latency = sink_get_latency_cb; + u->sink->get_hw_volume = sink_get_hw_volume; + u->sink->set_hw_volume = sink_set_hw_volume; u->sink->userdata = u; pa_sink_set_owner(u->sink, m); u->sink->description = pa_sprintf_malloc("Open Sound System PCM on '%s'", p); @@ -384,6 +424,10 @@ int pa__init(pa_core *c, pa_module*m) { read(u->fd, buf, u->sample_size); } + /* Read mixer settings */ + if (u->sink) + sink_get_hw_volume(u->sink); + return 0; fail: |