mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-03 09:01:50 -05:00
alsa-ucm: get the mixer names from ucm, don't guess
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela
Arun Raghavan
parent
ddd0fdb997
commit
e438382a51
3 changed files with 97 additions and 26 deletions
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@ -364,6 +364,7 @@ void pa_alsa_profile_set_free(pa_alsa_profile_set *s);
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void pa_alsa_profile_set_dump(pa_alsa_profile_set *s);
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void pa_alsa_profile_set_drop_unsupported(pa_alsa_profile_set *s);
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snd_mixer_t *pa_alsa_open_mixer_by_name(const char *dev);
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snd_mixer_t *pa_alsa_open_mixer_for_pcm(snd_pcm_t *pcm, char **ctl_device);
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pa_alsa_fdlist *pa_alsa_fdlist_new(void);
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@ -289,6 +289,31 @@ static pa_alsa_ucm_volume *ucm_get_mixer_volume(
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return vol;
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}
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/* Get the ALSA mixer device for the UCM device */
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static const char *get_mixer_device(pa_alsa_ucm_device *dev, bool is_sink)
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{
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const char *dev_name;
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if (is_sink) {
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dev_name = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_PLAYBACK_MIXER_DEVICE);
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if (!dev_name)
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dev_name = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_PLAYBACK_CTL_DEVICE);
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} else {
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dev_name = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_CAPTURE_MIXER_DEVICE);
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if (!dev_name)
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dev_name = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_CAPTURE_CTL_DEVICE);
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}
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return dev_name;
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}
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/* Get the ALSA mixer device for the UCM jack */
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static const char *get_jack_mixer_device(pa_alsa_ucm_device *dev, bool is_sink) {
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const char *dev_name = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_JACK_DEVICE);
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if (!dev_name)
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return get_mixer_device(dev, is_sink);
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return dev_name;
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}
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/* Create a property list for this ucm device */
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static int ucm_get_device_property(
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pa_alsa_ucm_device *device,
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@ -795,22 +820,41 @@ static int pa_alsa_ucm_device_cmp(const void *a, const void *b) {
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return strcmp(pa_proplist_gets(d1->proplist, PA_ALSA_PROP_UCM_NAME), pa_proplist_gets(d2->proplist, PA_ALSA_PROP_UCM_NAME));
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}
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static void probe_volumes(pa_hashmap *hash, snd_pcm_t *pcm_handle, bool ignore_dB) {
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static void probe_volumes(pa_hashmap *hash, bool is_sink, snd_pcm_t *pcm_handle, bool ignore_dB) {
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pa_device_port *port;
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pa_alsa_path *path;
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pa_alsa_ucm_port_data *data;
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snd_mixer_t *mixer_handle;
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const char *profile;
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pa_alsa_ucm_device *dev;
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snd_mixer_t *mixer_handle = NULL;
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const char *profile, *mdev_opened = NULL, *mdev, *mdev2;
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void *state, *state2;
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if (!(mixer_handle = pa_alsa_open_mixer_for_pcm(pcm_handle, NULL))) {
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pa_log_error("Failed to find a working mixer device.");
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goto fail;
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}
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int idx;
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PA_HASHMAP_FOREACH(port, hash, state) {
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data = PA_DEVICE_PORT_DATA(port);
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mdev = NULL;
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PA_DYNARRAY_FOREACH(dev, data->devices, idx) {
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mdev2 = get_mixer_device(dev, is_sink);
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if (mdev && !pa_streq(mdev, mdev2)) {
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pa_log_error("Two mixer device names found ('%s', '%s'), using s/w volume", mdev, mdev2);
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goto fail;
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}
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mdev = mdev2;
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}
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if (!mdev_opened || !pa_streq(mdev_opened, mdev)) {
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if (mixer_handle) {
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snd_mixer_close(mixer_handle);
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mdev_opened = NULL;
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}
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if (!(mixer_handle = pa_alsa_open_mixer_by_name(mdev))) {
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pa_log_error("Failed to find a working mixer device (%s).", mdev);
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goto fail;
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}
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mdev_opened = mdev;
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}
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PA_HASHMAP_FOREACH_KV(profile, path, data->paths, state2) {
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if (pa_alsa_path_probe(path, NULL, mixer_handle, ignore_dB) < 0) {
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pa_log_warn("Could not probe path: %s, using s/w volume", data->path->name);
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@ -823,6 +867,7 @@ static void probe_volumes(pa_hashmap *hash, snd_pcm_t *pcm_handle, bool ignore_d
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}
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}
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if (mixer_handle)
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snd_mixer_close(mixer_handle);
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return;
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@ -1149,7 +1194,7 @@ void pa_alsa_ucm_add_ports(
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pa_alsa_ucm_add_ports_combination(*p, context, is_sink, card->ports, NULL, card->core);
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/* now set up volume paths if any */
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probe_volumes(*p, pcm_handle, ignore_dB);
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probe_volumes(*p, is_sink, pcm_handle, ignore_dB);
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/* then set property PA_PROP_DEVICE_INTENDED_ROLES */
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merged_roles = pa_xstrdup(pa_proplist_gets(proplist, PA_PROP_DEVICE_INTENDED_ROLES));
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@ -1716,27 +1761,42 @@ static void profile_finalize_probing(pa_alsa_profile *p) {
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}
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static void ucm_mapping_jack_probe(pa_alsa_mapping *m) {
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snd_pcm_t *pcm_handle;
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snd_mixer_t *mixer_handle;
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snd_mixer_t *mixer_handle = NULL;
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pa_alsa_ucm_mapping_context *context = &m->ucm_context;
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pa_alsa_ucm_device *dev;
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bool is_sink = m->direction == PA_ALSA_DIRECTION_OUTPUT;
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const char *mdev_opened = NULL, *mdev;
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uint32_t idx;
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pcm_handle = m->direction == PA_ALSA_DIRECTION_OUTPUT ? m->output_pcm : m->input_pcm;
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mixer_handle = pa_alsa_open_mixer_for_pcm(pcm_handle, NULL);
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if (!mixer_handle)
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return;
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PA_IDXSET_FOREACH(dev, context->ucm_devices, idx) {
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bool has_control;
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if (!dev->jack)
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continue;
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mdev = get_jack_mixer_device(dev, is_sink);
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if (mdev == NULL) {
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pa_log_error("Unable to determine mixer device for jack %s", dev->jack->name);
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continue;
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}
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if (!mdev_opened || !pa_streq(mdev_opened, mdev)) {
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if (mixer_handle) {
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snd_mixer_close(mixer_handle);
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mdev_opened = NULL;
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}
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mixer_handle = pa_alsa_open_mixer_by_name(mdev);
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if (!mixer_handle)
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continue;
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mdev_opened = mdev;
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}
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has_control = pa_alsa_mixer_find(mixer_handle, dev->jack->alsa_name, 0) != NULL;
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pa_alsa_jack_set_has_control(dev->jack, has_control);
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pa_log_info("UCM jack %s has_control=%d", dev->jack->name, dev->jack->has_control);
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}
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if (mixer_handle)
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snd_mixer_close(mixer_handle);
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}
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@ -1740,20 +1740,31 @@ snd_mixer_t *pa_alsa_open_mixer(int alsa_card_index, char **ctl_device) {
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return NULL;
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}
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snd_mixer_t *pa_alsa_open_mixer_for_pcm(snd_pcm_t *pcm, char **ctl_device) {
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snd_mixer_t *pa_alsa_open_mixer_by_name(const char *dev) {
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int err;
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snd_mixer_t *m;
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snd_pcm_info_t* info;
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snd_pcm_info_alloca(&info);
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pa_assert(pcm);
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pa_assert(dev);
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if ((err = snd_mixer_open(&m, 0)) < 0) {
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pa_log("Error opening mixer: %s", pa_alsa_strerror(err));
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return NULL;
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}
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/* Then, try by card index */
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if (prepare_mixer(m, dev) >= 0)
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return m;
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snd_mixer_close(m);
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return NULL;
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}
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snd_mixer_t *pa_alsa_open_mixer_for_pcm(snd_pcm_t *pcm, char **ctl_device) {
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snd_mixer_t *m;
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snd_pcm_info_t* info;
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snd_pcm_info_alloca(&info);
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pa_assert(pcm);
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if (snd_pcm_info(pcm, info) >= 0) {
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char *md;
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int card_idx;
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@ -1761,8 +1772,8 @@ snd_mixer_t *pa_alsa_open_mixer_for_pcm(snd_pcm_t *pcm, char **ctl_device) {
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if ((card_idx = snd_pcm_info_get_card(info)) >= 0) {
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md = pa_sprintf_malloc("hw:%i", card_idx);
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if (prepare_mixer(m, md) >= 0) {
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m = pa_alsa_open_mixer_by_name(md);
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if (m) {
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if (ctl_device)
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*ctl_device = md;
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else
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@ -1775,7 +1786,6 @@ snd_mixer_t *pa_alsa_open_mixer_for_pcm(snd_pcm_t *pcm, char **ctl_device) {
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}
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}
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snd_mixer_close(m);
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return NULL;
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}
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