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ext/alsa/gstalsa.c: - don't call set_periods_integer anymore, it breaks the configuration randomly
Original commit message from CVS: * ext/alsa/gstalsa.c: (gst_alsa_probe_hw_params), (gst_alsa_set_hw_params), (gst_alsa_set_sw_params), (gst_alsa_start_audio): - don't call set_periods_integer anymore, it breaks the configuration randomly - call snd_pcm_hw_params_set_access directly instead of using masks - don't fail if the sw_params can't be set, just use the default params and hope it works. Alsalib has weird issues when you touch sw_params and does no proper error reporting about what failed. * ext/alsa/gstalsa.c: (gst_alsa_open_audio), (gst_alsa_close_audio): make our alsa debugging go via gst debugging and not conditionally defined * ext/alsa/gstalsa.h: add ALSA_DEBUG_FLUSH macro * ext/alsa/gstalsaplugin.c: (gst_alsa_error_wrapper), (plugin_init): wrap alsa errors to be printed via the gst debugging system and not spammed to stderr
This commit is contained in:
Benjamin Otte
parent
5528abe7af
commit
f157024ae8
4 changed files with 91 additions and 41 deletions
22
ChangeLog
22
ChangeLog
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@ -1,3 +1,25 @@
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2004-06-06 Benjamin Otte <otte@gnome.org>
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* ext/alsa/gstalsa.c: (gst_alsa_probe_hw_params),
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(gst_alsa_set_hw_params), (gst_alsa_set_sw_params),
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(gst_alsa_start_audio):
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- don't call set_periods_integer anymore, it breaks the
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configuration randomly
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- call snd_pcm_hw_params_set_access directly instead of using masks
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- don't fail if the sw_params can't be set, just use the default
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params and hope it works. Alsalib has weird issues when you touch
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sw_params and does no proper error reporting about what failed.
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* ext/alsa/gstalsa.c: (gst_alsa_open_audio),
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(gst_alsa_close_audio):
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make our alsa debugging go via gst debugging and not conditionally
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defined
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* ext/alsa/gstalsa.h:
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add ALSA_DEBUG_FLUSH macro
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* ext/alsa/gstalsaplugin.c: (gst_alsa_error_wrapper),
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(plugin_init):
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wrap alsa errors to be printed via the gst debugging system and not
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spammed to stderr
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2004-06-04 Ronald Bultje <rbultje@ronald.bitfreak.net>
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* gst/qtdemux/qtdemux.c: (gst_qtdemux_init),
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@ -1186,11 +1186,8 @@ gst_alsa_open_audio (GstAlsa * this)
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GST_INFO ("Opening alsa device \"%s\"...", this->device);
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#if 0
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/* enable this to get better debugging */
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ERROR_CHECK (snd_output_stdio_attach (&this->out, stderr, 0),
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ERROR_CHECK (snd_output_buffer_open (&this->out),
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"error opening log output: %s");
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#endif
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if ((ret = snd_pcm_open (&this->handle, this->device,
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GST_ALSA_GET_CLASS (this)->stream, SND_PCM_NONBLOCK)) < 0) {
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@ -1237,7 +1234,6 @@ static gboolean
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gst_alsa_probe_hw_params (GstAlsa * this, GstAlsaFormat * format)
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{
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snd_pcm_hw_params_t *hw_params;
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snd_pcm_access_mask_t *mask;
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snd_pcm_uframes_t period_size;
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unsigned int period_count;
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@ -1249,28 +1245,21 @@ gst_alsa_probe_hw_params (GstAlsa * this, GstAlsaFormat * format)
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snd_pcm_hw_params_alloca (&hw_params);
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SIMPLE_ERROR_CHECK (snd_pcm_hw_params_any (this->handle, hw_params));
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SIMPLE_ERROR_CHECK (snd_pcm_hw_params_set_periods_integer (this->handle,
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hw_params));
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#if 0
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/* enable this for soundcard specific debugging */
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snd_pcm_hw_params_dump (hw_params, this->out);
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#endif
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ALSA_DEBUG_FLUSH (this);
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mask = alloca (snd_pcm_access_mask_sizeof ());
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snd_pcm_access_mask_none (mask);
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if (GST_ELEMENT (this)->numpads == 1) {
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snd_pcm_access_mask_set (mask,
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this->
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mmap ? SND_PCM_ACCESS_MMAP_INTERLEAVED : SND_PCM_ACCESS_RW_INTERLEAVED);
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SIMPLE_ERROR_CHECK (snd_pcm_hw_params_set_access (this->handle,
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hw_params, this->
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mmap ? SND_PCM_ACCESS_MMAP_INTERLEAVED :
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SND_PCM_ACCESS_RW_INTERLEAVED));
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} else {
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snd_pcm_access_mask_set (mask,
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this->
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mmap ? SND_PCM_ACCESS_MMAP_NONINTERLEAVED :
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SND_PCM_ACCESS_RW_NONINTERLEAVED);
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SIMPLE_ERROR_CHECK (snd_pcm_hw_params_set_access (this->handle,
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hw_params, this->
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mmap ? SND_PCM_ACCESS_MMAP_NONINTERLEAVED :
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SND_PCM_ACCESS_RW_NONINTERLEAVED));
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}
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SIMPLE_ERROR_CHECK (snd_pcm_hw_params_set_access_mask (this->handle,
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hw_params, mask));
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SIMPLE_ERROR_CHECK (snd_pcm_hw_params_set_format (this->handle, hw_params,
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format->format));
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@ -1298,7 +1287,6 @@ static gboolean
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gst_alsa_set_hw_params (GstAlsa * this)
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{
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snd_pcm_hw_params_t *hw_params;
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snd_pcm_access_mask_t *mask;
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g_return_val_if_fail (this != NULL, FALSE);
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g_return_val_if_fail (this->handle != NULL, FALSE);
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@ -1314,27 +1302,21 @@ gst_alsa_set_hw_params (GstAlsa * this)
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snd_pcm_hw_params_alloca (&hw_params);
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ERROR_CHECK (snd_pcm_hw_params_any (this->handle, hw_params),
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"Broken configuration for this PCM: %s");
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ERROR_CHECK (snd_pcm_hw_params_set_periods_integer (this->handle, hw_params),
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"cannot restrict period size to integral value: %s");
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/* enable this for soundcard specific debugging */
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/* snd_pcm_hw_params_dump (hw_params, this->out); */
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snd_pcm_hw_params_dump (hw_params, this->out);
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ALSA_DEBUG_FLUSH (this);
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mask = alloca (snd_pcm_access_mask_sizeof ());
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snd_pcm_access_mask_none (mask);
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if (GST_ELEMENT (this)->numpads == 1) {
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snd_pcm_access_mask_set (mask,
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this->
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mmap ? SND_PCM_ACCESS_MMAP_INTERLEAVED : SND_PCM_ACCESS_RW_INTERLEAVED);
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ERROR_CHECK (snd_pcm_hw_params_set_access (this->handle, hw_params, this->
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mmap ? SND_PCM_ACCESS_MMAP_INTERLEAVED :
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SND_PCM_ACCESS_RW_INTERLEAVED),
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"This plugin does not support your harware: %s");
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} else {
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snd_pcm_access_mask_set (mask,
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this->
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mmap ? SND_PCM_ACCESS_MMAP_NONINTERLEAVED :
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SND_PCM_ACCESS_RW_NONINTERLEAVED);
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ERROR_CHECK (snd_pcm_hw_params_set_access (this->handle, hw_params, this->
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mmap ? SND_PCM_ACCESS_MMAP_NONINTERLEAVED :
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SND_PCM_ACCESS_RW_NONINTERLEAVED),
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"This plugin does not support your harware: %s");
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}
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ERROR_CHECK (snd_pcm_hw_params_set_access_mask (this->handle, hw_params,
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mask),
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"The Gstreamer ALSA plugin does not support your hardware. Error: %s");
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if (this->format) {
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ERROR_CHECK (snd_pcm_hw_params_set_format (this->handle, hw_params,
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@ -1349,7 +1331,7 @@ gst_alsa_set_hw_params (GstAlsa * this)
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}
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ERROR_CHECK (snd_pcm_hw_params_set_periods_near (this->handle, hw_params,
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&this->period_count, 0), "error setting buffer size to %u: %s",
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&this->period_count, 0), "error setting period count to %u: %s",
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(guint) this->period_count);
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ERROR_CHECK (snd_pcm_hw_params_set_period_size_near (this->handle, hw_params,
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&this->period_size, 0), "error setting period size to %u frames: %s",
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@ -1384,6 +1366,9 @@ gst_alsa_set_sw_params (GstAlsa * this)
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ERROR_CHECK (snd_pcm_sw_params_current (this->handle, sw_params),
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"Could not get current software parameters: %s");
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snd_pcm_sw_params_dump (sw_params, this->out);
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ALSA_DEBUG_FLUSH (this);
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ERROR_CHECK (snd_pcm_sw_params_set_silence_size (this->handle, sw_params, 0),
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"could not set silence size: %s");
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ERROR_CHECK (snd_pcm_sw_params_set_silence_threshold (this->handle, sw_params,
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@ -1401,7 +1386,6 @@ gst_alsa_set_sw_params (GstAlsa * this)
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"Unable to set transfer align for playback: %s");
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ERROR_CHECK (snd_pcm_sw_params (this->handle, sw_params),
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"could not set sw_params: %s");
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return TRUE;
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}
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@ -1413,7 +1397,8 @@ gst_alsa_start_audio (GstAlsa * this)
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if (!gst_alsa_set_hw_params (this))
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return FALSE;
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if (!gst_alsa_set_sw_params (this))
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return FALSE;
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GST_WARNING_OBJECT (this,
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"setting software parameters failed, we'll trust the defaults");
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GST_FLAG_SET (this, GST_ALSA_RUNNING);
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return TRUE;
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@ -1475,6 +1460,8 @@ gst_alsa_stop_audio (GstAlsa * this)
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static gboolean
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gst_alsa_close_audio (GstAlsa * this)
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{
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gint err;
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/* if there's no pads, we never open. So we don't close either. */
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if (!gst_element_get_pad_list (GST_ELEMENT (this)))
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return TRUE;
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@ -1482,6 +1469,11 @@ gst_alsa_close_audio (GstAlsa * this)
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g_return_val_if_fail (this != NULL, FALSE);
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g_return_val_if_fail (this->handle != NULL, FALSE);
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ALSA_DEBUG_FLUSH (this);
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err = snd_output_close (this->out);
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if (err != 0)
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GST_ERROR_OBJECT (this, "failed to close debugging output: %s",
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snd_strerror (err));
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ERROR_CHECK (snd_pcm_close (this->handle), "Error closing device: %s");
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this->handle = NULL;
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@ -35,6 +35,17 @@ GST_DEBUG_CATEGORY_EXTERN (alsa_debug);
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#define GST_CAT_DEFAULT alsa_debug
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#define ALSA_DEBUG_FLUSH(this) G_STMT_START{ \
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gchar *__str; \
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ssize_t __size; \
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__size = snd_output_buffer_string (this->out, &__str); \
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if (__size > 0) { \
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GST_INFO_OBJECT (this, "%*s", __size, __str); \
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if (snd_output_flush (this->out) != 0) \
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GST_ERROR_OBJECT (this, "error flushing output buffer"); \
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} \
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}G_STMT_END
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/* error checking for standard alsa functions */
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/* NOTE: these functions require a GObject *this and can only be used in
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functions that return TRUE on success and FALSE on error */
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@ -29,9 +29,31 @@
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GST_DEBUG_CATEGORY (alsa_debug);
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/* ALSA debugging wrapper */
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static void
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gst_alsa_error_wrapper (const char *file, int line, const char *function,
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int err, const char *fmt, ...)
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{
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va_list args;
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gchar *str;
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va_start (args, fmt);
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str = g_strdup_vprintf (fmt, args);
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va_end (args);
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/* FIXME: use GST_LEVEL_ERROR here? Currently warning is used because we're
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* able to catch enough of the errors that would be printed otherwise
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*/
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gst_debug_log (alsa_debug, GST_LEVEL_WARNING, file, function, line, NULL,
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"alsalib error: %s%s%s", str, err ? ": " : "",
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err ? snd_strerror (err) : "");
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g_free (str);
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}
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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int err;
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if (!gst_element_register (plugin, "alsamixer", GST_RANK_NONE,
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GST_TYPE_ALSA_MIXER))
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return FALSE;
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@ -43,6 +65,9 @@ plugin_init (GstPlugin * plugin)
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return FALSE;
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GST_DEBUG_CATEGORY_INIT (alsa_debug, "alsa", 0, "alsa plugins");
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err = snd_lib_error_set_handler (gst_alsa_error_wrapper);
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if (err != 0)
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GST_WARNING ("failed to set alsa error handler");
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return TRUE;
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}
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