diff options
Diffstat (limited to 'backends/alsa/alsa-device.c')
| -rw-r--r-- | backends/alsa/alsa-device.c | 134 |
1 files changed, 64 insertions, 70 deletions
diff --git a/backends/alsa/alsa-device.c b/backends/alsa/alsa-device.c index 643e46e..24fdefb 100644 --- a/backends/alsa/alsa-device.c +++ b/backends/alsa/alsa-device.c @@ -92,9 +92,6 @@ static void add_switch (AlsaDevice AlsaStream *stream, snd_mixer_elem_t *el); -static void add_device_switch (AlsaDevice *device, - snd_mixer_elem_t *el); - static void add_stream_input_switch (AlsaDevice *device, snd_mixer_elem_t *el); static void add_stream_output_switch (AlsaDevice *device, @@ -146,6 +143,7 @@ static void get_output_control_info (snd_mixer_elem_t MateMixerStreamControlRole *role, gint *score); +static MateMixerDirection get_switch_direction (snd_mixer_elem_t *el); static void get_switch_info (snd_mixer_elem_t *el, gchar **name, gchar **label, @@ -491,59 +489,41 @@ alsa_device_list_switches (MateMixerDevice *mmd) static void add_element (AlsaDevice *device, AlsaStream *stream, AlsaElement *element) { - gboolean added = FALSE; + snd_mixer_elem_t *el; if (alsa_element_load (element) == FALSE) return; - if (stream != NULL) { - if (alsa_stream_has_controls_or_switches (stream) == FALSE) { - const gchar *name = - mate_mixer_stream_get_name (MATE_MIXER_STREAM (stream)); - - free_stream_list (device); - - /* Pretend the stream has just been created now that we are adding - * the first control */ - g_signal_emit_by_name (G_OBJECT (device), - "stream-added", - name); - } - - if (ALSA_IS_STREAM_CONTROL (element)) { - /* Stream control */ - alsa_stream_add_control (stream, ALSA_STREAM_CONTROL (element)); - added = TRUE; - } else if (ALSA_IS_SWITCH (element)) { - /* Switch belonging to a stream */ - alsa_stream_add_switch (stream, ALSA_SWITCH (element)); - added = TRUE; - } else if (ALSA_IS_TOGGLE (element)) { - /* Toggle belonging to a stream */ - alsa_stream_add_toggle (stream, ALSA_TOGGLE (element)); - added = TRUE; - } - } else if (ALSA_IS_SWITCH (element) || ALSA_IS_TOGGLE (element)) { - /* Switch belonging to the device */ + if (alsa_stream_has_controls_or_switches (stream) == FALSE) { const gchar *name = - mate_mixer_switch_get_name (MATE_MIXER_SWITCH (element)); + mate_mixer_stream_get_name (MATE_MIXER_STREAM (stream)); - device->priv->switches = - g_list_append (device->priv->switches, g_object_ref (element)); + free_stream_list (device); + /* Pretend the stream has just been created now that we are adding + * the first control */ g_signal_emit_by_name (G_OBJECT (device), - "switch-added", + "stream-added", name); - added = TRUE; } - if G_LIKELY (added == TRUE) { - snd_mixer_elem_t *el = alsa_element_get_snd_element (element); - - snd_mixer_elem_set_callback (el, handle_element_callback); - snd_mixer_elem_set_callback_private (el, device); - } else + /* Add element to the stream depending on its type */ + if (ALSA_IS_STREAM_CONTROL (element)) + alsa_stream_add_control (stream, ALSA_STREAM_CONTROL (element)); + else if (ALSA_IS_SWITCH (element)) + alsa_stream_add_switch (stream, ALSA_SWITCH (element)); + else if (ALSA_IS_TOGGLE (element)) + alsa_stream_add_toggle (stream, ALSA_TOGGLE (element)); + else { g_warn_if_reached (); + return; + } + + el = alsa_element_get_snd_element (element); + + /* Register to receive callbacks for element changes */ + snd_mixer_elem_set_callback (el, handle_element_callback); + snd_mixer_elem_set_callback_private (el, device); } static void @@ -693,17 +673,6 @@ add_switch (AlsaDevice *device, AlsaStream *stream, snd_mixer_elem_t *el) } static void -add_device_switch (AlsaDevice *device, snd_mixer_elem_t *el) -{ - g_debug ("Reading device %s switch %s (%d items)", - mate_mixer_device_get_name (MATE_MIXER_DEVICE (device)), - snd_mixer_selem_get_name (el), - snd_mixer_selem_get_enum_items (el)); - - add_switch (device, NULL, el); -} - -static void add_stream_input_switch (AlsaDevice *device, snd_mixer_elem_t *el) { g_debug ("Reading device %s input switch %s (%d items)", @@ -764,22 +733,26 @@ load_element (AlsaDevice *device, snd_mixer_elem_t *el) gboolean pvolume = FALSE; if (snd_mixer_selem_is_enumerated (el) == 1) { - gboolean cenum = FALSE; - gboolean penum = FALSE; - - if (snd_mixer_selem_is_enum_capture (el) == 1) - cenum = TRUE; - if (snd_mixer_selem_is_enum_playback (el) == 1) - penum = TRUE; - - /* Enumerated controls which are not marked as capture or playback - * are considered to be a part of the whole device */ - if (cenum == FALSE && penum == FALSE) { - add_device_switch (device, el); - } - else if (cenum == TRUE) + MateMixerDirection direction; + gboolean cenum = FALSE; + gboolean penum = FALSE; + + /* The enumeration may have a capture or a playback capability. + * If it has either both or none, try to guess the more appropriate + * direction. */ + cenum = snd_mixer_selem_is_enum_capture (el); + penum = snd_mixer_selem_is_enum_playback (el); + if (cenum ^ penum) { + if (cenum == TRUE) + direction = MATE_MIXER_DIRECTION_INPUT; + else + direction = MATE_MIXER_DIRECTION_OUTPUT; + } else + direction = get_switch_direction (el); + + if (direction == MATE_MIXER_DIRECTION_INPUT) add_stream_input_switch (device, el); - else if (penum == TRUE) + else add_stream_output_switch (device, el); } @@ -1142,6 +1115,27 @@ get_output_control_info (snd_mixer_elem_t *el, *score = -1; } +static MateMixerDirection +get_switch_direction (snd_mixer_elem_t *el) +{ + MateMixerDirection direction; + gchar *name; + + name = g_ascii_strdown (snd_mixer_selem_get_name (el), -1); + + /* Guess element direction by name, inspired by qasmixer */ + if (strstr (name, "mic") != NULL || + strstr (name, "adc") != NULL || + strstr (name, "capture") != NULL || + strstr (name, "input source") != NULL) + direction = MATE_MIXER_DIRECTION_INPUT; + else + direction = MATE_MIXER_DIRECTION_OUTPUT; + + g_free (name); + return direction; +} + static void get_switch_info (snd_mixer_elem_t *el, gchar **name, |