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author | Wim Taymans <wim.taymans@collabora.co.uk> | 2012-07-10 17:47:20 +0200 |
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committer | Wim Taymans <wim.taymans@collabora.co.uk> | 2012-07-10 17:47:20 +0200 |
commit | 2eefdda3e4334fc413a864b095484cd8ff7a62f8 (patch) | |
tree | 263352c07ca6f034c3939f969095b1e0f33b109e /ext/soundtouch/gstbpmdetect.cc | |
parent | 29092cc3b8d339c1f38c4fda95cca23c60bf1586 (diff) | |
download | gstreamer-plugins-bad-2eefdda3e4334fc413a864b095484cd8ff7a62f8.tar.gz |
soundtouch: port to 0.11
Diffstat (limited to 'ext/soundtouch/gstbpmdetect.cc')
-rw-r--r-- | ext/soundtouch/gstbpmdetect.cc | 71 |
1 files changed, 35 insertions, 36 deletions
diff --git a/ext/soundtouch/gstbpmdetect.cc b/ext/soundtouch/gstbpmdetect.cc index 9908dcad5..edb2db08f 100644 --- a/ext/soundtouch/gstbpmdetect.cc +++ b/ext/soundtouch/gstbpmdetect.cc @@ -56,14 +56,13 @@ struct _GstBPMDetectPrivate }; #define ALLOWED_CAPS \ - "audio/x-raw-float, " \ - " width = (int) 32, " \ - " endianness = (int) BYTE_ORDER, " \ + "audio/x-raw, " \ + " format = (string) " GST_AUDIO_NE (F32) ", " \ " rate = (int) [ 8000, MAX ], " \ " channels = (int) [ 1, 2 ]" -GST_BOILERPLATE (GstBPMDetect, gst_bpm_detect, GstAudioFilter, - GST_TYPE_AUDIO_FILTER); +#define gst_bpm_detect_parent_class parent_class +G_DEFINE_TYPE (GstBPMDetect, gst_bpm_detect, GST_TYPE_AUDIO_FILTER); static void gst_bpm_detect_finalize (GObject * object); static gboolean gst_bpm_detect_stop (GstBaseTransform * trans); @@ -72,28 +71,14 @@ static gboolean gst_bpm_detect_event (GstBaseTransform * trans, static GstFlowReturn gst_bpm_detect_transform_ip (GstBaseTransform * trans, GstBuffer * in); static gboolean gst_bpm_detect_setup (GstAudioFilter * filter, - GstRingBufferSpec * format); - -static void -gst_bpm_detect_base_init (gpointer g_class) -{ - GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); - GstCaps *caps; - - gst_element_class_set_details_simple (element_class, "BPM Detector", - "Filter/Analyzer/Audio", "Detect the BPM of an audio stream", - "Sebastian Dröge <slomo@circular-chaos.org>"); - - caps = gst_caps_from_string (ALLOWED_CAPS); - gst_audio_filter_class_add_pad_templates (GST_AUDIO_FILTER_CLASS (g_class), - caps); - gst_caps_unref (caps); -} + const GstAudioInfo * info); static void gst_bpm_detect_class_init (GstBPMDetectClass * klass) { + GstCaps *caps; GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + GstElementClass *element_class = GST_ELEMENT_CLASS (klass); GstBaseTransformClass *trans_class = GST_BASE_TRANSFORM_CLASS (klass); GstAudioFilterClass *filter_class = GST_AUDIO_FILTER_CLASS (klass); @@ -102,8 +87,17 @@ gst_bpm_detect_class_init (GstBPMDetectClass * klass) gobject_class->finalize = gst_bpm_detect_finalize; + gst_element_class_set_details_simple (element_class, "BPM Detector", + "Filter/Analyzer/Audio", "Detect the BPM of an audio stream", + "Sebastian Dröge <slomo@circular-chaos.org>"); + + caps = gst_caps_from_string (ALLOWED_CAPS); + gst_audio_filter_class_add_pad_templates (GST_AUDIO_FILTER_CLASS (klass), + caps); + gst_caps_unref (caps); + trans_class->stop = GST_DEBUG_FUNCPTR (gst_bpm_detect_stop); - trans_class->event = GST_DEBUG_FUNCPTR (gst_bpm_detect_event); + trans_class->sink_event = GST_DEBUG_FUNCPTR (gst_bpm_detect_event); trans_class->transform_ip = GST_DEBUG_FUNCPTR (gst_bpm_detect_transform_ip); trans_class->passthrough_on_same_caps = TRUE; @@ -113,7 +107,7 @@ gst_bpm_detect_class_init (GstBPMDetectClass * klass) } static void -gst_bpm_detect_init (GstBPMDetect * bpm_detect, GstBPMDetectClass * g_class) +gst_bpm_detect_init (GstBPMDetect * bpm_detect) { bpm_detect->priv = G_TYPE_INSTANCE_GET_PRIVATE ((bpm_detect), GST_TYPE_BPM_DETECT, GstBPMDetectPrivate); @@ -159,7 +153,7 @@ gst_bpm_detect_event (GstBaseTransform * trans, GstEvent * event) switch (GST_EVENT_TYPE (event)) { case GST_EVENT_FLUSH_STOP: case GST_EVENT_EOS: - case GST_EVENT_NEWSEGMENT: + case GST_EVENT_SEGMENT: if (bpm_detect->priv->detect) { delete bpm_detect->priv->detect; @@ -175,7 +169,7 @@ gst_bpm_detect_event (GstBaseTransform * trans, GstEvent * event) } static gboolean -gst_bpm_detect_setup (GstAudioFilter * filter, GstRingBufferSpec * format) +gst_bpm_detect_setup (GstAudioFilter * filter, const GstAudioInfo * info) { GstBPMDetect *bpm_detect = GST_BPM_DETECT (filter); @@ -195,29 +189,33 @@ gst_bpm_detect_transform_ip (GstBaseTransform * trans, GstBuffer * in) GstAudioFilter *filter = GST_AUDIO_FILTER (trans); gint nsamples; gfloat bpm; + GstMapInfo info; if (G_UNLIKELY (!bpm_detect->priv->detect)) { - if (filter->format.channels == 0 || filter->format.rate == 0) { + if (GST_AUDIO_INFO_FORMAT (&filter->info) == GST_AUDIO_FORMAT_UNKNOWN) { GST_ERROR_OBJECT (bpm_detect, "No channels or rate set yet"); return GST_FLOW_ERROR; } #ifdef HAVE_SOUNDTOUCH_1_4 bpm_detect->priv->detect = - new soundtouch::BPMDetect (filter->format.channels, - filter->format.rate); + new soundtouch::BPMDetect (GST_AUDIO_INFO_CHANNELS (&filter->info), + GST_AUDIO_INFO_RATE (&filter->info)); #else bpm_detect->priv->detect = - new BPMDetect (filter->format.channels, filter->format.rate); + new BPMDetect (GST_AUDIO_INFO_CHANNELS (&filter->info), + GST_AUDIO_INFO_RATE (&filter->info)); #endif } - nsamples = GST_BUFFER_SIZE (in) / (4 * filter->format.channels); + gst_buffer_map (in, &info, GST_MAP_READ); + + nsamples = info.size / (4 * GST_AUDIO_INFO_CHANNELS (&filter->info)); /* For stereo BPMDetect->inputSamples() does downmixing into the input * data but our buffer data shouldn't be modified. */ - if (filter->format.channels == 1) { - gfloat *inbuf = (gfloat *) GST_BUFFER_DATA (in); + if (GST_AUDIO_INFO_CHANNELS (&filter->info) == 1) { + gfloat *inbuf = (gfloat *) info.data; while (nsamples > 0) { bpm_detect->priv->detect->inputSamples (inbuf, MIN (nsamples, 2048)); @@ -227,7 +225,7 @@ gst_bpm_detect_transform_ip (GstBaseTransform * trans, GstBuffer * in) } else { gfloat *inbuf, *intmp, data[2 * 2048]; - inbuf = (gfloat *) GST_BUFFER_DATA (in); + inbuf = (gfloat *) info.data; intmp = data; while (nsamples > 0) { @@ -237,14 +235,15 @@ gst_bpm_detect_transform_ip (GstBaseTransform * trans, GstBuffer * in) inbuf += 2048 * 2; } } + gst_buffer_unmap (in, &info); bpm = bpm_detect->priv->detect->getBpm (); if (bpm >= 1.0 && fabs (bpm_detect->bpm - bpm) >= 1.0) { - GstTagList *tags = gst_tag_list_new (); + GstTagList *tags = gst_tag_list_new_empty (); gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE_ALL, GST_TAG_BEATS_PER_MINUTE, bpm, (void *) NULL); - gst_element_found_tags (GST_ELEMENT (bpm_detect), tags); + gst_pad_push_event (trans->srcpad, gst_event_new_tag ("bpmdetect", tags)); GST_INFO_OBJECT (bpm_detect, "Detected BPM: %lf\n", bpm); bpm_detect->bpm = bpm; |