diff options
Diffstat (limited to 'src/modules/alsa')
-rw-r--r-- | src/modules/alsa/alsa-sink.c | 180 | ||||
-rw-r--r-- | src/modules/alsa/alsa-source.c | 180 | ||||
-rw-r--r-- | src/modules/alsa/alsa-util.c | 60 | ||||
-rw-r--r-- | src/modules/alsa/alsa-util.h | 3 |
4 files changed, 227 insertions, 196 deletions
diff --git a/src/modules/alsa/alsa-sink.c b/src/modules/alsa/alsa-sink.c index 1474cfee..eeac5e76 100644 --- a/src/modules/alsa/alsa-sink.c +++ b/src/modules/alsa/alsa-sink.c @@ -1227,6 +1227,91 @@ static void set_sink_name(pa_sink_new_data *data, pa_modargs *ma, const char *de pa_xfree(t); } +static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB) { + pa_assert(u); + + if (!u->mixer_handle) + return 0; + + pa_assert(u->mixer_elem); + + if (snd_mixer_selem_has_playback_volume(u->mixer_elem)) { + pa_bool_t suitable = FALSE; + + if (snd_mixer_selem_get_playback_volume_range(u->mixer_elem, &u->hw_volume_min, &u->hw_volume_max) < 0) + pa_log_info("Failed to get volume range. Falling back to software volume control."); + else if (u->hw_volume_min >= u->hw_volume_max) + pa_log_warn("Your kernel driver is broken: it reports a volume range from %li to %li which makes no sense.", u->hw_volume_min, u->hw_volume_max); + else { + pa_log_info("Volume ranges from %li to %li.", u->hw_volume_min, u->hw_volume_max); + suitable = TRUE; + } + + if (suitable) { + if (ignore_dB || snd_mixer_selem_get_playback_dB_range(u->mixer_elem, &u->hw_dB_min, &u->hw_dB_max) < 0) + pa_log_info("Mixer doesn't support dB information or data is ignored."); + else { +#ifdef HAVE_VALGRIND_MEMCHECK_H + VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_min, sizeof(u->hw_dB_min)); + VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_max, sizeof(u->hw_dB_max)); +#endif + + if (u->hw_dB_min >= u->hw_dB_max) + pa_log_warn("Your kernel driver is broken: it reports a volume range from %0.2f dB to %0.2f dB which makes no sense.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0); + else { + pa_log_info("Volume ranges from %0.2f dB to %0.2f dB.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0); + u->hw_dB_supported = TRUE; + + if (u->hw_dB_max > 0) { + u->sink->base_volume = pa_sw_volume_from_dB(- (double) u->hw_dB_max/100.0); + pa_log_info("Fixing base volume to %0.2f dB", pa_sw_volume_to_dB(u->sink->base_volume)); + } else + pa_log_info("No particular base volume set, fixing to 0 dB"); + } + } + + if (!u->hw_dB_supported && + u->hw_volume_max - u->hw_volume_min < 3) { + + pa_log_info("Device doesn't do dB volume and has less than 4 volume levels. Falling back to software volume control."); + suitable = FALSE; + } + } + + if (suitable) { + u->mixer_seperate_channels = pa_alsa_calc_mixer_map(u->mixer_elem, &u->sink->channel_map, u->mixer_map, TRUE) >= 0; + + u->sink->get_volume = sink_get_volume_cb; + u->sink->set_volume = sink_set_volume_cb; + u->sink->flags |= PA_SINK_HW_VOLUME_CTRL | (u->hw_dB_supported ? PA_SINK_DECIBEL_VOLUME : 0); + pa_log_info("Using hardware volume control. Hardware dB scale %s.", u->hw_dB_supported ? "supported" : "not supported"); + + if (!u->hw_dB_supported) + u->sink->n_volume_steps = u->hw_volume_max - u->hw_volume_min + 1; + } else + pa_log_info("Using software volume control."); + } + + if (snd_mixer_selem_has_playback_switch(u->mixer_elem)) { + u->sink->get_mute = sink_get_mute_cb; + u->sink->set_mute = sink_set_mute_cb; + u->sink->flags |= PA_SINK_HW_MUTE_CTRL; + } else + pa_log_info("Using software mute control."); + + u->mixer_fdl = pa_alsa_fdlist_new(); + + if (pa_alsa_fdlist_set_mixer(u->mixer_fdl, u->mixer_handle, u->core->mainloop) < 0) { + pa_log("Failed to initialize file descriptor monitoring"); + return -1; + } + + snd_mixer_elem_set_callback(u->mixer_elem, mixer_callback); + snd_mixer_elem_set_callback_private(u->mixer_elem, u); + + return 0; +} + pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_card *card, const pa_alsa_profile_info *profile) { struct userdata *u = NULL; @@ -1236,14 +1321,10 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca uint32_t nfrags, hwbuf_size, frag_size, tsched_size, tsched_watermark; snd_pcm_uframes_t period_frames, tsched_frames; size_t frame_size; - snd_pcm_info_t *pcm_info = NULL; - int err; pa_bool_t use_mmap = TRUE, b, use_tsched = TRUE, d, ignore_dB = FALSE; pa_usec_t usec; pa_sink_new_data data; - snd_pcm_info_alloca(&pcm_info); - pa_assert(m); pa_assert(ma); @@ -1368,7 +1449,7 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca } if (use_tsched && (!b || !d)) { - pa_log_info("Cannot enabled timer-based scheduling, falling back to sound IRQ scheduling."); + pa_log_info("Cannot enable timer-based scheduling, falling back to sound IRQ scheduling."); u->use_tsched = use_tsched = FALSE; } @@ -1378,11 +1459,6 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca if (u->use_tsched) pa_log_info("Successfully enabled timer-based scheduling mode."); - if ((err = snd_pcm_info(u->pcm_handle, pcm_info)) < 0) { - pa_log("Error fetching PCM info: %s", snd_strerror(err)); - goto fail; - } - /* ALSA might tweak the sample spec, so recalculate the frame size */ frame_size = pa_frame_size(&ss); @@ -1396,7 +1472,7 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca pa_sink_new_data_set_sample_spec(&data, &ss); pa_sink_new_data_set_channel_map(&data, &map); - pa_alsa_init_proplist_pcm(m->core, data.proplist, pcm_info); + pa_alsa_init_proplist_pcm(m->core, data.proplist, u->pcm_handle); pa_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, u->device_name); pa_proplist_setf(data.proplist, PA_PROP_DEVICE_BUFFERING_BUFFER_SIZE, "%lu", (unsigned long) (period_frames * frame_size * nfrags)); pa_proplist_setf(data.proplist, PA_PROP_DEVICE_BUFFERING_FRAGMENT_SIZE, "%lu", (unsigned long) (period_frames * frame_size)); @@ -1456,86 +1532,8 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca if (update_sw_params(u) < 0) goto fail; - pa_memchunk_reset(&u->memchunk); - - if (u->mixer_handle) { - pa_assert(u->mixer_elem); - - if (snd_mixer_selem_has_playback_volume(u->mixer_elem)) { - pa_bool_t suitable = FALSE; - - if (snd_mixer_selem_get_playback_volume_range(u->mixer_elem, &u->hw_volume_min, &u->hw_volume_max) < 0) - pa_log_info("Failed to get volume range. Falling back to software volume control."); - else if (u->hw_volume_min >= u->hw_volume_max) - pa_log_warn("Your kernel driver is broken: it reports a volume range from %li to %li which makes no sense.", u->hw_volume_min, u->hw_volume_max); - else { - pa_log_info("Volume ranges from %li to %li.", u->hw_volume_min, u->hw_volume_max); - suitable = TRUE; - } - - if (suitable) { - if (ignore_dB || snd_mixer_selem_get_playback_dB_range(u->mixer_elem, &u->hw_dB_min, &u->hw_dB_max) < 0) - pa_log_info("Mixer doesn't support dB information or data is ignored."); - else { -#ifdef HAVE_VALGRIND_MEMCHECK_H - VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_min, sizeof(u->hw_dB_min)); - VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_max, sizeof(u->hw_dB_max)); -#endif - - if (u->hw_dB_min >= u->hw_dB_max) - pa_log_warn("Your kernel driver is broken: it reports a volume range from %0.2f dB to %0.2f dB which makes no sense.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0); - else { - pa_log_info("Volume ranges from %0.2f dB to %0.2f dB.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0); - u->hw_dB_supported = TRUE; - - if (u->hw_dB_max > 0) { - u->sink->base_volume = pa_sw_volume_from_dB(- (double) u->hw_dB_max/100.0); - pa_log_info("Fixing base volume to %0.2f dB", pa_sw_volume_to_dB(u->sink->base_volume)); - } else - pa_log_info("No particular base volume set, fixing to 0 dB"); - } - } - - if (!u->hw_dB_supported && - u->hw_volume_max - u->hw_volume_min < 3) { - - pa_log_info("Device doesn't do dB volume and has less than 4 volume levels. Falling back to software volume control."); - suitable = FALSE; - } - } - - if (suitable) { - u->mixer_seperate_channels = pa_alsa_calc_mixer_map(u->mixer_elem, &map, u->mixer_map, TRUE) >= 0; - - u->sink->get_volume = sink_get_volume_cb; - u->sink->set_volume = sink_set_volume_cb; - u->sink->flags |= PA_SINK_HW_VOLUME_CTRL | (u->hw_dB_supported ? PA_SINK_DECIBEL_VOLUME : 0); - pa_log_info("Using hardware volume control. Hardware dB scale %s.", u->hw_dB_supported ? "supported" : "not supported"); - - if (!u->hw_dB_supported) - u->sink->n_volume_steps = u->hw_volume_max - u->hw_volume_min + 1; - } else - pa_log_info("Using software volume control."); - } - - if (snd_mixer_selem_has_playback_switch(u->mixer_elem)) { - u->sink->get_mute = sink_get_mute_cb; - u->sink->set_mute = sink_set_mute_cb; - u->sink->flags |= PA_SINK_HW_MUTE_CTRL; - } else - pa_log_info("Using software mute control."); - - u->mixer_fdl = pa_alsa_fdlist_new(); - - if (pa_alsa_fdlist_set_mixer(u->mixer_fdl, u->mixer_handle, m->core->mainloop) < 0) { - pa_log("Failed to initialize file descriptor monitoring"); - goto fail; - } - - snd_mixer_elem_set_callback(u->mixer_elem, mixer_callback); - snd_mixer_elem_set_callback_private(u->mixer_elem, u); - } else - u->mixer_fdl = NULL; + if (setup_mixer(u, ignore_dB) < 0) + goto fail; pa_alsa_dump(u->pcm_handle); diff --git a/src/modules/alsa/alsa-source.c b/src/modules/alsa/alsa-source.c index 192645d0..81d7c0bb 100644 --- a/src/modules/alsa/alsa-source.c +++ b/src/modules/alsa/alsa-source.c @@ -1062,6 +1062,91 @@ static void set_source_name(pa_source_new_data *data, pa_modargs *ma, const char pa_xfree(t); } +static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB) { + pa_assert(u); + + if (!u->mixer_handle) + return 0; + + pa_assert(u->mixer_elem); + + if (snd_mixer_selem_has_capture_volume(u->mixer_elem)) { + pa_bool_t suitable = FALSE; + + if (snd_mixer_selem_get_capture_volume_range(u->mixer_elem, &u->hw_volume_min, &u->hw_volume_max) < 0) + pa_log_info("Failed to get volume range. Falling back to software volume control."); + else if (u->hw_volume_min >= u->hw_volume_max) + pa_log_warn("Your kernel driver is broken: it reports a volume range from %li to %li which makes no sense.", u->hw_volume_min, u->hw_volume_max); + else { + pa_log_info("Volume ranges from %li to %li.", u->hw_volume_min, u->hw_volume_max); + suitable = TRUE; + } + + if (suitable) { + if (ignore_dB || snd_mixer_selem_get_capture_dB_range(u->mixer_elem, &u->hw_dB_min, &u->hw_dB_max) < 0) + pa_log_info("Mixer doesn't support dB information or data is ignored."); + else { +#ifdef HAVE_VALGRIND_MEMCHECK_H + VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_min, sizeof(u->hw_dB_min)); + VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_max, sizeof(u->hw_dB_max)); +#endif + + if (u->hw_dB_min >= u->hw_dB_max) + pa_log_warn("Your kernel driver is broken: it reports a volume range from %0.2f dB to %0.2f dB which makes no sense.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0); + else { + pa_log_info("Volume ranges from %0.2f dB to %0.2f dB.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0); + u->hw_dB_supported = TRUE; + + if (u->hw_dB_max > 0) { + u->source->base_volume = pa_sw_volume_from_dB(- (double) u->hw_dB_max/100.0); + pa_log_info("Fixing base volume to %0.2f dB", pa_sw_volume_to_dB(u->source->base_volume)); + } else + pa_log_info("No particular base volume set, fixing to 0 dB"); + } + } + + if (!u->hw_dB_supported && + u->hw_volume_max - u->hw_volume_min < 3) { + + pa_log_info("Device has less than 4 volume levels. Falling back to software volume control."); + suitable = FALSE; + } + } + + if (suitable) { + u->mixer_seperate_channels = pa_alsa_calc_mixer_map(u->mixer_elem, &u->source->channel_map, u->mixer_map, FALSE) >= 0; + + u->source->get_volume = source_get_volume_cb; + u->source->set_volume = source_set_volume_cb; + u->source->flags |= PA_SOURCE_HW_VOLUME_CTRL | (u->hw_dB_supported ? PA_SOURCE_DECIBEL_VOLUME : 0); + pa_log_info("Using hardware volume control. Hardware dB scale %s.", u->hw_dB_supported ? "supported" : "not supported"); + + if (!u->hw_dB_supported) + u->source->n_volume_steps = u->hw_volume_max - u->hw_volume_min + 1; + } else + pa_log_info("Using software volume control."); + } + + if (snd_mixer_selem_has_capture_switch(u->mixer_elem)) { + u->source->get_mute = source_get_mute_cb; + u->source->set_mute = source_set_mute_cb; + u->source->flags |= PA_SOURCE_HW_MUTE_CTRL; + } else + pa_log_info("Using software mute control."); + + u->mixer_fdl = pa_alsa_fdlist_new(); + + if (pa_alsa_fdlist_set_mixer(u->mixer_fdl, u->mixer_handle, u->core->mainloop) < 0) { + pa_log("Failed to initialize file descriptor monitoring"); + return -1; + } + + snd_mixer_elem_set_callback(u->mixer_elem, mixer_callback); + snd_mixer_elem_set_callback_private(u->mixer_elem, u); + + return 0; +} + pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, pa_card *card, const pa_alsa_profile_info *profile) { struct userdata *u = NULL; @@ -1071,14 +1156,11 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p uint32_t nfrags, hwbuf_size, frag_size, tsched_size, tsched_watermark; snd_pcm_uframes_t period_frames, tsched_frames; size_t frame_size; - snd_pcm_info_t *pcm_info = NULL; - int err; pa_bool_t use_mmap = TRUE, b, use_tsched = TRUE, d, ignore_dB = FALSE; pa_source_new_data data; - snd_pcm_info_alloca(&pcm_info); - pa_assert(m); + pa_assert(ma); ss = m->core->default_sample_spec; if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_ALSA) < 0) { @@ -1193,7 +1275,7 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p } if (use_tsched && (!b || !d)) { - pa_log_info("Cannot enabled timer-based scheduling, falling back to sound IRQ scheduling."); + pa_log_info("Cannot enable timer-based scheduling, falling back to sound IRQ scheduling."); u->use_tsched = use_tsched = FALSE; } @@ -1203,11 +1285,6 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p if (u->use_tsched) pa_log_info("Successfully enabled timer-based scheduling mode."); - if ((err = snd_pcm_info(u->pcm_handle, pcm_info)) < 0) { - pa_log("Error fetching PCM info: %s", snd_strerror(err)); - goto fail; - } - /* ALSA might tweak the sample spec, so recalculate the frame size */ frame_size = pa_frame_size(&ss); @@ -1221,7 +1298,7 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p pa_source_new_data_set_sample_spec(&data, &ss); pa_source_new_data_set_channel_map(&data, &map); - pa_alsa_init_proplist_pcm(m->core, data.proplist, pcm_info); + pa_alsa_init_proplist_pcm(m->core, data.proplist, u->pcm_handle); pa_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, u->device_name); pa_proplist_setf(data.proplist, PA_PROP_DEVICE_BUFFERING_BUFFER_SIZE, "%lu", (unsigned long) (period_frames * frame_size * nfrags)); pa_proplist_setf(data.proplist, PA_PROP_DEVICE_BUFFERING_FRAGMENT_SIZE, "%lu", (unsigned long) (period_frames * frame_size)); @@ -1278,85 +1355,8 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p if (update_sw_params(u) < 0) goto fail; - if (u->mixer_handle) { - pa_assert(u->mixer_elem); - - if (snd_mixer_selem_has_capture_volume(u->mixer_elem)) { - pa_bool_t suitable = FALSE; - - if (snd_mixer_selem_get_capture_volume_range(u->mixer_elem, &u->hw_volume_min, &u->hw_volume_max) < 0) - pa_log_info("Failed to get volume range. Falling back to software volume control."); - else if (u->hw_volume_min >= u->hw_volume_max) - pa_log_warn("Your kernel driver is broken: it reports a volume range from %li to %li which makes no sense.", u->hw_volume_min, u->hw_volume_max); - else { - pa_log_info("Volume ranges from %li to %li.", u->hw_volume_min, u->hw_volume_max); - suitable = TRUE; - } - - if (suitable) { - if (ignore_dB || snd_mixer_selem_get_capture_dB_range(u->mixer_elem, &u->hw_dB_min, &u->hw_dB_max) < 0) - pa_log_info("Mixer doesn't support dB information or data is ignored."); - else { -#ifdef HAVE_VALGRIND_MEMCHECK_H - VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_min, sizeof(u->hw_dB_min)); - VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_max, sizeof(u->hw_dB_max)); -#endif - - if (u->hw_dB_min >= u->hw_dB_max) - pa_log_warn("Your kernel driver is broken: it reports a volume range from %0.2f dB to %0.2f dB which makes no sense.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0); - else { - pa_log_info("Volume ranges from %0.2f dB to %0.2f dB.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0); - u->hw_dB_supported = TRUE; - - if (u->hw_dB_max > 0) { - u->source->base_volume = pa_sw_volume_from_dB(- (double) u->hw_dB_max/100.0); - pa_log_info("Fixing base volume to %0.2f dB", pa_sw_volume_to_dB(u->source->base_volume)); - } else - pa_log_info("No particular base volume set, fixing to 0 dB"); - - } - } - - if (!u->hw_dB_supported && - u->hw_volume_max - u->hw_volume_min < 3) { - - pa_log_info("Device has less than 4 volume levels. Falling back to software volume control."); - suitable = FALSE; - } - } - - if (suitable) { - u->mixer_seperate_channels = pa_alsa_calc_mixer_map(u->mixer_elem, &map, u->mixer_map, FALSE) >= 0; - - u->source->get_volume = source_get_volume_cb; - u->source->set_volume = source_set_volume_cb; - u->source->flags |= PA_SOURCE_HW_VOLUME_CTRL | (u->hw_dB_supported ? PA_SOURCE_DECIBEL_VOLUME : 0); - pa_log_info("Using hardware volume control. Hardware dB scale %s.", u->hw_dB_supported ? "supported" : "not supported"); - - if (!u->hw_dB_supported) - u->source->n_volume_steps = u->hw_volume_max - u->hw_volume_min + 1; - } else - pa_log_info("Using software volume control."); - } - - if (snd_mixer_selem_has_capture_switch(u->mixer_elem)) { - u->source->get_mute = source_get_mute_cb; - u->source->set_mute = source_set_mute_cb; - u->source->flags |= PA_SOURCE_HW_MUTE_CTRL; - } else - pa_log_info("Using software mute control."); - - u->mixer_fdl = pa_alsa_fdlist_new(); - - if (pa_alsa_fdlist_set_mixer(u->mixer_fdl, u->mixer_handle, m->core->mainloop) < 0) { - pa_log("Failed to initialize file descriptor monitoring"); - goto fail; - } - - snd_mixer_elem_set_callback(u->mixer_elem, mixer_callback); - snd_mixer_elem_set_callback_private(u->mixer_elem, u); - } else - u->mixer_fdl = NULL; + if (setup_mixer(u, ignore_dB) < 0) + goto fail; pa_alsa_dump(u->pcm_handle); diff --git a/src/modules/alsa/alsa-util.c b/src/modules/alsa/alsa-util.c index d7caa0f0..a0907c4d 100644 --- a/src/modules/alsa/alsa-util.c +++ b/src/modules/alsa/alsa-util.c @@ -1,7 +1,7 @@ /*** This file is part of PulseAudio. - Copyright 2004-2006 Lennart Poettering + Copyright 2004-2009 Lennart Poettering Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB PulseAudio is free software; you can redistribute it and/or modify @@ -37,6 +37,7 @@ #include <pulsecore/macro.h> #include <pulsecore/core-util.h> #include <pulsecore/atomic.h> +#include <pulsecore/core-error.h> #include "alsa-util.h" @@ -112,7 +113,7 @@ static void io_cb(pa_mainloop_api*a, pa_io_event* e, int fd, pa_io_event_flags_t static void defer_cb(pa_mainloop_api*a, pa_defer_event* e, void *userdata) { struct pa_alsa_fdlist *fdl = userdata; unsigned num_fds, i; - int err; + int err, n; struct pollfd *temp; pa_assert(a); @@ -121,7 +122,11 @@ static void defer_cb(pa_mainloop_api*a, pa_defer_event* e, void *userdata) { a->defer_enable(fdl->defer, 0); - num_fds = (unsigned) snd_mixer_poll_descriptors_count(fdl->mixer); + if ((n = snd_mixer_poll_descriptors_count(fdl->mixer)) < 0) { + pa_log("snd_mixer_poll_descriptors_count() failed: %s", snd_strerror(n)); + return; + } + num_fds = (unsigned) n; if (num_fds != fdl->num_fds) { if (fdl->fds) @@ -342,7 +347,8 @@ int pa_alsa_set_hw_params( goto finish; if (_use_mmap) { - if ((ret = snd_pcm_hw_params_set_access(pcm_handle, hwparams, SND_PCM_ACCESS_MMAP_INTERLEAVED)) < 0) { + + if (snd_pcm_hw_params_set_access(pcm_handle, hwparams, SND_PCM_ACCESS_MMAP_INTERLEAVED) < 0) { /* mmap() didn't work, fall back to interleaved */ @@ -805,8 +811,7 @@ snd_pcm_t *pa_alsa_open_by_device_string( SND_PCM_NO_AUTO_CHANNELS| (reformat ? 0 : SND_PCM_NO_AUTO_FORMAT))) < 0) { pa_log_info("Error opening PCM device %s: %s", d, snd_strerror(err)); - pa_xfree(d); - return NULL; + goto fail; } if ((err = pa_alsa_set_hw_params(pcm_handle, ss, nfrags, period_size, tsched_size, use_mmap, use_tsched, require_exact_channel_number)) < 0) { @@ -834,9 +839,9 @@ snd_pcm_t *pa_alsa_open_by_device_string( } pa_log_info("Failed to set hardware parameters on %s: %s", d, snd_strerror(err)); - pa_xfree(d); snd_pcm_close(pcm_handle); - return NULL; + + goto fail; } if (dev) @@ -849,6 +854,11 @@ snd_pcm_t *pa_alsa_open_by_device_string( return pcm_handle; } + +fail: + pa_xfree(d); + + return NULL; } int pa_alsa_probe_profiles( @@ -1361,7 +1371,7 @@ void pa_alsa_init_proplist_card(pa_core *c, pa_proplist *p, int card) { #endif } -void pa_alsa_init_proplist_pcm(pa_core *c, pa_proplist *p, snd_pcm_info_t *pcm_info) { +void pa_alsa_init_proplist_pcm_info(pa_core *c, pa_proplist *p, snd_pcm_info_t *pcm_info) { static const char * const alsa_class_table[SND_PCM_CLASS_LAST+1] = { [SND_PCM_CLASS_GENERIC] = "generic", @@ -1382,7 +1392,7 @@ void pa_alsa_init_proplist_pcm(pa_core *c, pa_proplist *p, snd_pcm_info_t *pcm_i snd_pcm_class_t class; snd_pcm_subclass_t subclass; - const char *n, *id, *sdn, *cn; + const char *n, *id, *sdn, *cn = NULL; int card; pa_assert(p); @@ -1427,6 +1437,28 @@ void pa_alsa_init_proplist_pcm(pa_core *c, pa_proplist *p, snd_pcm_info_t *pcm_i pa_proplist_sets(p, PA_PROP_DEVICE_DESCRIPTION, n); } +void pa_alsa_init_proplist_pcm(pa_core *c, pa_proplist *p, snd_pcm_t *pcm) { + snd_pcm_hw_params_t *hwparams; + snd_pcm_info_t *info; + int bits, err; + + snd_pcm_hw_params_alloca(&hwparams); + snd_pcm_info_alloca(&info); + + if ((err = snd_pcm_hw_params_current(pcm, hwparams)) < 0) + pa_log_warn("Error fetching hardware parameter info: %s", snd_strerror(err)); + else { + + if ((bits = snd_pcm_hw_params_get_sbits(hwparams)) >= 0) + pa_proplist_setf(p, "alsa.resolution_bits", "%i", bits); + } + + if ((err = snd_pcm_info(pcm, info)) < 0) + pa_log_warn("Error fetching PCM info: %s", snd_strerror(err)); + else + pa_alsa_init_proplist_pcm_info(c, p, info); +} + int pa_alsa_recover_from_poll(snd_pcm_t *pcm, int revents) { snd_pcm_state_t state; int err; @@ -1525,8 +1557,8 @@ snd_pcm_sframes_t pa_alsa_safe_avail_update(snd_pcm_t *pcm, size_t hwbuf_size, c if (k >= hwbuf_size * 3 || k >= pa_bytes_per_second(ss)*10) - pa_log("snd_pcm_avail_update() returned a value that is exceptionally large: %lu bytes (%lu ms) " - "Most likely this is an ALSA driver bug. Please report this issue to the PulseAudio developers.", + pa_log("snd_pcm_avail_update() returned a value that is exceptionally large: %lu bytes (%lu ms). " + "Most likely this is an ALSA driver bug. Please report this issue to the ALSA developers.", (unsigned long) k, (unsigned long) (pa_bytes_to_usec(k, ss) / PA_USEC_PER_MSEC)); return n; @@ -1557,8 +1589,8 @@ int pa_alsa_safe_mmap_begin(snd_pcm_t *pcm, const snd_pcm_channel_area_t **areas k >= hwbuf_size * 3 || k >= pa_bytes_per_second(ss)*10) - pa_log("snd_pcm_mmap_begin() returned a value that is exceptionally large: %lu bytes (%lu ms) " - "Most likely this is an ALSA driver bug. Please report this issue to the PulseAudio developers.", + pa_log("snd_pcm_mmap_begin() returned a value that is exceptionally large: %lu bytes (%lu ms). " + "Most likely this is an ALSA driver bug. Please report this issue to the ALSA developers.", (unsigned long) k, (unsigned long) (pa_bytes_to_usec(k, ss) / PA_USEC_PER_MSEC)); return r; diff --git a/src/modules/alsa/alsa-util.h b/src/modules/alsa/alsa-util.h index 8b083392..9eab6449 100644 --- a/src/modules/alsa/alsa-util.h +++ b/src/modules/alsa/alsa-util.h @@ -120,8 +120,9 @@ void pa_alsa_dump_status(snd_pcm_t *pcm); void pa_alsa_redirect_errors_inc(void); void pa_alsa_redirect_errors_dec(void); -void pa_alsa_init_proplist_pcm(pa_core *c, pa_proplist *p, snd_pcm_info_t *pcm_info); +void pa_alsa_init_proplist_pcm_info(pa_core *c, pa_proplist *p, snd_pcm_info_t *pcm_info); void pa_alsa_init_proplist_card(pa_core *c, pa_proplist *p, int card); +void pa_alsa_init_proplist_pcm(pa_core *c, pa_proplist *p, snd_pcm_t *pcm); int pa_alsa_recover_from_poll(snd_pcm_t *pcm, int revents); |