mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-27 04:01:08 +00:00
Code Issues 1 Projects Releases Wiki Activity

audiofx: remove transform lock usage

Browse source
This commit is contained in:
Wim Taymans 2012-02-23 12:03:24 +01:00
parent 7749cd3f7b
commit 3c292543bc
6 changed files with 83 additions and 58 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

47
gst/audiofx/audioecho.c
View file

@ -160,6 +160,8 @@ gst_audio_echo_init (GstAudioEcho * self)
self->intensity = 0.0;
self->feedback = 0.0;
g_mutex_init (&self->lock);
gst_base_transform_set_in_place (GST_BASE_TRANSFORM (self), TRUE);
}
@ -171,6 +173,8 @@ gst_audio_echo_finalize (GObject * object)
g_free (self->buffer);
self->buffer = NULL;
g_mutex_clear (&self->lock);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
@ -184,7 +188,7 @@ gst_audio_echo_set_property (GObject * object, guint prop_id,
case PROP_DELAY:{
guint64 max_delay, delay;
GST_BASE_TRANSFORM_LOCK (self);
g_mutex_lock (&self->lock);
delay = g_value_get_uint64 (value);
max_delay = self->max_delay;
@ -197,13 +201,13 @@ gst_audio_echo_set_property (GObject * object, guint prop_id,
self->delay = delay;
self->max_delay = MAX (delay, max_delay);
}
GST_BASE_TRANSFORM_UNLOCK (self);
}
g_mutex_unlock (&self->lock);
break;
}
case PROP_MAX_DELAY:{
guint64 max_delay, delay;
GST_BASE_TRANSFORM_LOCK (self);
g_mutex_lock (&self->lock);
max_delay = g_value_get_uint64 (value);
delay = self->delay;
@ -214,21 +218,21 @@ gst_audio_echo_set_property (GObject * object, guint prop_id,
self->delay = delay;
self->max_delay = max_delay;
}
GST_BASE_TRANSFORM_UNLOCK (self);
}
g_mutex_unlock (&self->lock);
break;
}
case PROP_INTENSITY:{
GST_BASE_TRANSFORM_LOCK (self);
g_mutex_lock (&self->lock);
self->intensity = g_value_get_float (value);
GST_BASE_TRANSFORM_UNLOCK (self);
}
g_mutex_unlock (&self->lock);
break;
}
case PROP_FEEDBACK:{
GST_BASE_TRANSFORM_LOCK (self);
g_mutex_lock (&self->lock);
self->feedback = g_value_get_float (value);
GST_BASE_TRANSFORM_UNLOCK (self);
}
g_mutex_unlock (&self->lock);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -243,24 +247,24 @@ gst_audio_echo_get_property (GObject * object, guint prop_id,
switch (prop_id) {
case PROP_DELAY:
GST_BASE_TRANSFORM_LOCK (self);
g_mutex_lock (&self->lock);
g_value_set_uint64 (value, self->delay);
GST_BASE_TRANSFORM_UNLOCK (self);
g_mutex_unlock (&self->lock);
break;
case PROP_MAX_DELAY:
GST_BASE_TRANSFORM_LOCK (self);
g_mutex_lock (&self->lock);
g_value_set_uint64 (value, self->max_delay);
GST_BASE_TRANSFORM_UNLOCK (self);
g_mutex_unlock (&self->lock);
break;
case PROP_INTENSITY:
GST_BASE_TRANSFORM_LOCK (self);
g_mutex_lock (&self->lock);
g_value_set_float (value, self->intensity);
GST_BASE_TRANSFORM_UNLOCK (self);
g_mutex_unlock (&self->lock);
break;
case PROP_FEEDBACK:
GST_BASE_TRANSFORM_LOCK (self);
g_mutex_lock (&self->lock);
g_value_set_float (value, self->feedback);
GST_BASE_TRANSFORM_UNLOCK (self);
g_mutex_unlock (&self->lock);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@ -361,6 +365,7 @@ gst_audio_echo_transform_ip (GstBaseTransform * base, GstBuffer * buf)
GstClockTime timestamp, stream_time;
GstMapInfo map;
g_mutex_lock (&self->lock);
timestamp = GST_BUFFER_TIMESTAMP (buf);
stream_time =
gst_segment_to_stream_time (&base->segment, GST_FORMAT_TIME, timestamp);
@ -387,6 +392,7 @@ gst_audio_echo_transform_ip (GstBaseTransform * base, GstBuffer * buf)
self->buffer_pos = 0;
if (self->buffer == NULL) {
g_mutex_unlock (&self->lock);
GST_ERROR_OBJECT (self, "Failed to allocate %u bytes", self->buffer_size);
return GST_FLOW_ERROR;
}
@ -398,6 +404,7 @@ gst_audio_echo_transform_ip (GstBaseTransform * base, GstBuffer * buf)
self->process (self, map.data, num_samples);
gst_buffer_unmap (buf, &map);
g_mutex_unlock (&self->lock);
return GST_FLOW_OK;
}

2
gst/audiofx/audioecho.h
View file

@ -55,6 +55,8 @@ struct _GstAudioEcho
guint buffer_pos;
guint buffer_size;
guint buffer_size_frames;
GMutex lock;
};
struct _GstAudioEchoClass

71
gst/audiofx/audiofxbasefirfilter.c
View file

@ -72,10 +72,10 @@ static gboolean gst_audio_fx_base_fir_filter_transform_size (GstBaseTransform *
static gboolean gst_audio_fx_base_fir_filter_setup (GstAudioFilter * base,
const GstAudioInfo * info);
static gboolean gst_audio_fx_base_fir_filter_query (GstPad * pad,
GstObject * parent, GstQuery * query);
static gboolean gst_audio_fx_base_fir_filter_query (GstBaseTransform * trans,
GstPadDirection direction, GstQuery * quer);
/*
/*
* The code below calculates the linear convolution:
*
* y[t] = \sum_{u=0}^{M-1} x[t - u] * h[u]
@ -452,29 +452,19 @@ gst_audio_fx_base_fir_filter_select_process_function (GstAudioFXBaseFIRFilter *
}
static void
gst_audio_fx_base_fir_filter_dispose (GObject * object)
gst_audio_fx_base_fir_filter_finalize (GObject * object)
{
GstAudioFXBaseFIRFilter *self = GST_AUDIO_FX_BASE_FIR_FILTER (object);
g_free (self->buffer);
self->buffer = NULL;
self->buffer_length = 0;
g_free (self->kernel);
self->kernel = NULL;
gst_fft_f64_free (self->fft);
self->fft = NULL;
gst_fft_f64_free (self->ifft);
self->ifft = NULL;
g_free (self->frequency_response);
self->frequency_response = NULL;
g_free (self->fft_buffer);
self->fft_buffer = NULL;
g_mutex_clear (&self->lock);
G_OBJECT_CLASS (parent_class)->dispose (object);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
@ -493,7 +483,8 @@ gst_audio_fx_base_fir_filter_set_property (GObject * object, guint prop_id,
return;
}
GST_BASE_TRANSFORM_LOCK (self);
g_mutex_lock (&self->lock);
low_latency = g_value_get_boolean (value);
if (self->low_latency != low_latency) {
@ -502,13 +493,13 @@ gst_audio_fx_base_fir_filter_set_property (GObject * object, guint prop_id,
gst_audio_fx_base_fir_filter_select_process_function (self,
GST_AUDIO_FILTER_FORMAT (self), GST_AUDIO_FILTER_CHANNELS (self));
}
GST_BASE_TRANSFORM_UNLOCK (self);
g_mutex_unlock (&self->lock);
break;
}
case PROP_DRAIN_ON_CHANGES:{
GST_BASE_TRANSFORM_LOCK (self);
g_mutex_lock (&self->lock);
self->drain_on_changes = g_value_get_boolean (value);
GST_BASE_TRANSFORM_UNLOCK (self);
g_mutex_unlock (&self->lock);
break;
}
default:
@ -547,7 +538,7 @@ gst_audio_fx_base_fir_filter_class_init (GstAudioFXBaseFIRFilterClass * klass)
GST_DEBUG_CATEGORY_INIT (gst_audio_fx_base_fir_filter_debug,
"audiofxbasefirfilter", 0, "FIR filter base class");
gobject_class->dispose = gst_audio_fx_base_fir_filter_dispose;
gobject_class->finalize = gst_audio_fx_base_fir_filter_finalize;
gobject_class->set_property = gst_audio_fx_base_fir_filter_set_property;
gobject_class->get_property = gst_audio_fx_base_fir_filter_get_property;
@ -593,6 +584,7 @@ gst_audio_fx_base_fir_filter_class_init (GstAudioFXBaseFIRFilterClass * klass)
trans_class->stop = GST_DEBUG_FUNCPTR (gst_audio_fx_base_fir_filter_stop);
trans_class->sink_event =
GST_DEBUG_FUNCPTR (gst_audio_fx_base_fir_filter_sink_event);
trans_class->query = GST_DEBUG_FUNCPTR (gst_audio_fx_base_fir_filter_query);
trans_class->transform_size =
GST_DEBUG_FUNCPTR (gst_audio_fx_base_fir_filter_transform_size);
filter_class->setup = GST_DEBUG_FUNCPTR (gst_audio_fx_base_fir_filter_setup);
@ -613,8 +605,7 @@ gst_audio_fx_base_fir_filter_init (GstAudioFXBaseFIRFilter * self)
self->low_latency = DEFAULT_LOW_LATENCY;
self->drain_on_changes = DEFAULT_DRAIN_ON_CHANGES;
gst_pad_set_query_function (GST_BASE_TRANSFORM (self)->srcpad,
gst_audio_fx_base_fir_filter_query);
g_mutex_init (&self->lock);
}
void
@ -745,6 +736,7 @@ gst_audio_fx_base_fir_filter_setup (GstAudioFilter * base,
{
GstAudioFXBaseFIRFilter *self = GST_AUDIO_FX_BASE_FIR_FILTER (base);
g_mutex_lock (&self->lock);
if (self->buffer) {
gst_audio_fx_base_fir_filter_push_residue (self);
g_free (self->buffer);
@ -759,6 +751,7 @@ gst_audio_fx_base_fir_filter_setup (GstAudioFilter * base,
gst_audio_fx_base_fir_filter_select_process_function (self,
GST_AUDIO_INFO_FORMAT (info), GST_AUDIO_INFO_CHANNELS (info));
g_mutex_unlock (&self->lock);
return (self->process != NULL);
}
@ -818,6 +811,7 @@ gst_audio_fx_base_fir_filter_transform (GstBaseTransform * base,
return GST_FLOW_ERROR;
}
g_mutex_lock (&self->lock);
stream_time =
gst_segment_to_stream_time (&base->segment, GST_FORMAT_TIME, timestamp);
@ -874,18 +868,20 @@ gst_audio_fx_base_fir_filter_transform (GstBaseTransform * base,
g_assert (generated_samples <= output_samples);
self->nsamples_out += generated_samples;
if (generated_samples == 0)
return GST_BASE_TRANSFORM_FLOW_DROPPED;
goto no_samples;
/* Calculate the number of samples we can push out now without outputting
* latency zeros in the beginning */
diff = ((gint64) self->nsamples_out) - ((gint64) self->latency);
if (diff < 0) {
return GST_BASE_TRANSFORM_FLOW_DROPPED;
} else if (diff < generated_samples) {
if (diff < 0)
goto no_samples;
if (diff < generated_samples) {
gint64 tmp = diff;
diff = generated_samples - diff;
generated_samples = tmp;
}
gst_buffer_resize (outbuf, diff * bps * channels,
generated_samples * bps * channels);
@ -903,6 +899,7 @@ gst_audio_fx_base_fir_filter_transform (GstBaseTransform * base,
GST_BUFFER_OFFSET (outbuf) = GST_BUFFER_OFFSET_NONE;
GST_BUFFER_OFFSET_END (outbuf) = GST_BUFFER_OFFSET_NONE;
}
g_mutex_unlock (&self->lock);
GST_DEBUG_OBJECT (self,
"Pushing buffer of size %" G_GSIZE_FORMAT " with timestamp: %"
@ -914,6 +911,12 @@ gst_audio_fx_base_fir_filter_transform (GstBaseTransform * base,
GST_BUFFER_OFFSET_END (outbuf), generated_samples);
return GST_FLOW_OK;
no_samples:
{
g_mutex_unlock (&self->lock);
return GST_BASE_TRANSFORM_FLOW_DROPPED;
}
}
static gboolean
@ -945,10 +948,10 @@ gst_audio_fx_base_fir_filter_stop (GstBaseTransform * base)
}
static gboolean
gst_audio_fx_base_fir_filter_query (GstPad * pad, GstObject * parent,
GstQuery * query)
gst_audio_fx_base_fir_filter_query (GstBaseTransform * trans,
GstPadDirection direction, GstQuery * query)
{
GstAudioFXBaseFIRFilter *self = GST_AUDIO_FX_BASE_FIR_FILTER (parent);
GstAudioFXBaseFIRFilter *self = GST_AUDIO_FX_BASE_FIR_FILTER (trans);
gboolean res = TRUE;
switch (GST_QUERY_TYPE (query)) {
@ -993,7 +996,9 @@ gst_audio_fx_base_fir_filter_query (GstPad * pad, GstObject * parent,
break;
}
default:
res = gst_pad_query_default (pad, parent, query);
res =
GST_BASE_TRANSFORM_CLASS (parent_class)->query (trans, direction,
query);
break;
}
return res;
@ -1029,7 +1034,7 @@ gst_audio_fx_base_fir_filter_set_kernel (GstAudioFXBaseFIRFilter * self,
g_return_if_fail (kernel != NULL);
g_return_if_fail (self != NULL);
GST_BASE_TRANSFORM_LOCK (self);
g_mutex_lock (&self->lock);
latency_changed = (self->latency != latency
|| (!self->low_latency && self->kernel_length < FFT_THRESHOLD
@ -1069,5 +1074,5 @@ gst_audio_fx_base_fir_filter_set_kernel (GstAudioFXBaseFIRFilter * self,
gst_message_new_latency (GST_OBJECT (self)));
}
GST_BASE_TRANSFORM_UNLOCK (self);
g_mutex_unlock (&self->lock);
}

2
gst/audiofx/audiofxbasefirfilter.h
View file

@ -84,6 +84,8 @@ struct _GstAudioFXBaseFIRFilter {
guint64 start_off; /* start offset after a discont */
guint64 nsamples_out; /* number of output samples since last discont */
guint64 nsamples_in; /* number of input samples since last discont */
GMutex lock;
};
struct _GstAudioFXBaseFIRFilterClass {

17
gst/audiofx/audiofxbaseiirfilter.c
View file

@ -62,7 +62,7 @@ static void process_32 (GstAudioFXBaseIIRFilter * filter,
/* GObject vmethod implementations */
static void
gst_audio_fx_base_iir_filter_dispose (GObject * object)
gst_audio_fx_base_iir_filter_finalize (GObject * object)
{
GstAudioFXBaseIIRFilter *filter = GST_AUDIO_FX_BASE_IIR_FILTER (object);
@ -89,8 +89,9 @@ gst_audio_fx_base_iir_filter_dispose (GObject * object)
g_free (filter->channels);
filter->channels = NULL;
}
g_mutex_clear (&filter->lock);
G_OBJECT_CLASS (parent_class)->dispose (object);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
@ -104,7 +105,7 @@ gst_audio_fx_base_iir_filter_class_init (GstAudioFXBaseIIRFilterClass * klass)
GST_DEBUG_CATEGORY_INIT (gst_audio_fx_base_iir_filter_debug,
"audiofxbaseiirfilter", 0, "Audio IIR Filter Base Class");
gobject_class->dispose = gst_audio_fx_base_iir_filter_dispose;
gobject_class->finalize = gst_audio_fx_base_iir_filter_finalize;
caps = gst_caps_from_string (ALLOWED_CAPS);
gst_audio_filter_class_add_pad_templates (GST_AUDIO_FILTER_CLASS (klass),
@ -129,6 +130,8 @@ gst_audio_fx_base_iir_filter_init (GstAudioFXBaseIIRFilter * filter)
filter->nb = 0;
filter->channels = NULL;
filter->nchannels = 0;
g_mutex_init (&filter->lock);
}
/* Evaluate the transfer function that corresponds to the IIR
@ -182,7 +185,7 @@ gst_audio_fx_base_iir_filter_set_coefficients (GstAudioFXBaseIIRFilter * filter,
g_return_if_fail (GST_IS_AUDIO_FX_BASE_IIR_FILTER (filter));
GST_BASE_TRANSFORM_LOCK (filter);
g_mutex_lock (&filter->lock);
g_free (filter->a);
g_free (filter->b);
@ -230,7 +233,7 @@ gst_audio_fx_base_iir_filter_set_coefficients (GstAudioFXBaseIIRFilter * filter,
}
}
GST_BASE_TRANSFORM_UNLOCK (filter);
g_mutex_unlock (&filter->lock);
}
/* GstAudioFilter vmethod implementations */
@ -243,6 +246,7 @@ gst_audio_fx_base_iir_filter_setup (GstAudioFilter * base,
gboolean ret = TRUE;
gint channels;
g_mutex_lock (&filter->lock);
switch (GST_AUDIO_INFO_FORMAT (info)) {
case GST_AUDIO_FORMAT_F32:
filter->process = (GstAudioFXBaseIIRFilterProcessFunc)
@ -282,6 +286,7 @@ gst_audio_fx_base_iir_filter_setup (GstAudioFilter * base,
}
filter->nchannels = channels;
}
g_mutex_unlock (&filter->lock);
return ret;
}
@ -374,7 +379,9 @@ gst_audio_fx_base_iir_filter_transform_ip (GstBaseTransform * base,
gst_buffer_map (buf, &map, GST_MAP_READWRITE);
num_samples = map.size / GST_AUDIO_FILTER_BPS (filter);
g_mutex_lock (&filter->lock);
filter->process (filter, map.data, num_samples);
g_mutex_unlock (&filter->lock);
gst_buffer_unmap (buf, &map);

2
gst/audiofx/audiofxbaseiirfilter.h
View file

@ -61,6 +61,8 @@ struct _GstAudioFXBaseIIRFilter
guint nb;
GstAudioFXBaseIIRFilterChannelCtx *channels;
guint nchannels;
GMutex lock;
};
struct _GstAudioFXBaseIIRFilterClass