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gst/audiofxgood/audiopanorama.*: Added float support (thanks cymax)
Original commit message from CVS: * gst/audiofxgood/audiopanorama.c: (gst_audio_panorama_set_caps), (gst_audio_panorama_transform_m2s_int), (gst_audio_panorama_transform_s2s_int), (gst_audio_panorama_transform_m2s_float), (gst_audio_panorama_transform_s2s_float), (gst_audio_panorama_transform): * gst/audiofxgood/audiopanorama.h: Added float support (thanks cymax)
This commit is contained in:
Stefan Kost
parent
bd5e70ea40
commit
3473ecd7af
5 changed files with 217 additions and 26 deletions
11
ChangeLog
11
ChangeLog
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@ -1,3 +1,14 @@
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2006-08-24 Stefan Kost <ensonic@users.sf.net>
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* gst/audiofxgood/audiopanorama.c: (gst_audio_panorama_set_caps),
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(gst_audio_panorama_transform_m2s_int),
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(gst_audio_panorama_transform_s2s_int),
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(gst_audio_panorama_transform_m2s_float),
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(gst_audio_panorama_transform_s2s_float),
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(gst_audio_panorama_transform):
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* gst/audiofxgood/audiopanorama.h:
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Added float support (thanks cymax)
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2006-08-24 Stefan Kost <ensonic@users.sf.net>
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* gst/audiofxgood/audiopanorama.c:
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@ -29,6 +29,7 @@
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* <programlisting>
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* gst-launch audiotestsrc wave=saw ! audiopanorama panorama=-100 ! alsasink
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* gst-launch filesrc location="melo1.ogg" ! oggdemux ! vorbisdec ! audioconvert ! audiopanorama panorama=-100 ! alsasink
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* gst-launch audiotestsrc wave=saw ! audioconvert ! audiopanorama panorama=-100 ! audioconvert ! alsasink
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* </programlisting>
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* </para>
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* </refsect2>
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@ -71,7 +72,12 @@ enum
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static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw-int, "
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GST_STATIC_CAPS ("audio/x-raw-float, "
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"rate = (int) [ 1, MAX ], "
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"channels = (int) [ 1, 2 ], "
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"endianness = (int) BYTE_ORDER, "
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"width = (int) 32, " "signed = (boolean) true; "
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"audio/x-raw-int, "
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"rate = (int) [ 1, MAX ], "
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"channels = (int) [ 1, 2 ], "
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"endianness = (int) BYTE_ORDER, "
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@ -81,7 +87,12 @@ static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw-int, "
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GST_STATIC_CAPS ("audio/x-raw-float, "
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"rate = (int) [ 1, MAX ], "
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"channels = (int) 2, "
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"endianness = (int) BYTE_ORDER, "
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"width = (int) 32, " "signed = (boolean) true; "
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"audio/x-raw-int, "
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"rate = (int) [ 1, MAX ], "
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"channels = (int) 2, "
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"endianness = (int) BYTE_ORDER, "
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@ -106,10 +117,14 @@ static GstCaps *gst_audio_panorama_transform_caps (GstBaseTransform * base,
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static gboolean gst_audio_panorama_set_caps (GstBaseTransform * base,
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GstCaps * incaps, GstCaps * outcaps);
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static void gst_audio_panorama_transform_m2s (GstAudioPanorama * filter,
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static void gst_audio_panorama_transform_m2s_int (GstAudioPanorama * filter,
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gint16 * idata, gint16 * odata, guint num_samples);
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static void gst_audio_panorama_transform_s2s (GstAudioPanorama * filter,
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static void gst_audio_panorama_transform_s2s_int (GstAudioPanorama * filter,
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gint16 * idata, gint16 * odata, guint num_samples);
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static void gst_audio_panorama_transform_m2s_float (GstAudioPanorama * filter,
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gfloat * idata, gfloat * odata, guint num_samples);
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static void gst_audio_panorama_transform_s2s_float (GstAudioPanorama * filter,
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gfloat * idata, gfloat * odata, guint num_samples);
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static GstFlowReturn gst_audio_panorama_transform (GstBaseTransform * base,
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GstBuffer * inbuf, GstBuffer * outbuf);
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@ -243,6 +258,7 @@ gst_audio_panorama_set_caps (GstBaseTransform * base, GstCaps * incaps,
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const GstStructure *structure;
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gboolean ret;
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gint channels;
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const gchar *fmt;
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/*GST_INFO ("incaps are %" GST_PTR_FORMAT, incaps); */
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@ -250,18 +266,29 @@ gst_audio_panorama_set_caps (GstBaseTransform * base, GstCaps * incaps,
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ret = gst_structure_get_int (structure, "channels", &channels);
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if (!ret)
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goto no_channels;
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/* FIXME: also check width and gst_structure_get_name()?int/float */
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GST_DEBUG ("try to process input with %d channels", channels);
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fmt = gst_structure_get_name (structure);
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GST_DEBUG ("try to process %s input with %d channels", fmt, channels);
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/* set processing function */
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switch (channels) {
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case 1:
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filter->process = gst_audio_panorama_transform_m2s;
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if (!strcmp (fmt, "audio/x-raw-int"))
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filter->process = (GstAudioPanoramaProcessFunc)
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gst_audio_panorama_transform_m2s_int;
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else
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filter->process = (GstAudioPanoramaProcessFunc)
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gst_audio_panorama_transform_m2s_float;
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ret = TRUE;
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break;
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case 2:
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filter->process = gst_audio_panorama_transform_s2s;
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if (!strcmp (fmt, "audio/x-raw-int"))
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filter->process = (GstAudioPanoramaProcessFunc)
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gst_audio_panorama_transform_s2s_int;
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else
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filter->process = (GstAudioPanoramaProcessFunc)
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gst_audio_panorama_transform_s2s_float;
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ret = TRUE;
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break;
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default:
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@ -269,6 +296,7 @@ gst_audio_panorama_set_caps (GstBaseTransform * base, GstCaps * incaps,
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ret = FALSE;
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GST_WARNING ("can't process input with %d channels", channels);
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}
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return ret;
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no_channels:
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GST_DEBUG ("no channels in caps");
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@ -276,7 +304,7 @@ no_channels:
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}
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static void
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gst_audio_panorama_transform_m2s (GstAudioPanorama * filter, gint16 * idata,
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gst_audio_panorama_transform_m2s_int (GstAudioPanorama * filter, gint16 * idata,
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gint16 * odata, guint num_samples)
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{
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guint i;
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@ -305,7 +333,7 @@ gst_audio_panorama_transform_m2s (GstAudioPanorama * filter, gint16 * idata,
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}
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static void
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gst_audio_panorama_transform_s2s (GstAudioPanorama * filter, gint16 * idata,
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gst_audio_panorama_transform_s2s_int (GstAudioPanorama * filter, gint16 * idata,
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gint16 * odata, guint num_samples)
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{
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guint i;
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@ -343,6 +371,66 @@ gst_audio_panorama_transform_s2s (GstAudioPanorama * filter, gint16 * idata,
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}
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}
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static void
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gst_audio_panorama_transform_m2s_float (GstAudioPanorama * filter,
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gfloat * idata, gfloat * odata, guint num_samples)
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{
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guint i;
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gfloat val;
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gdouble rpan, lpan;
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/* pan: -100 0 100
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* lpan: 1.0 0.5 0.0
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* rpan: 0.0 0.5 1.0
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*
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* FIXME: we should use -3db (1/sqtr(2)) for 50:50
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*/
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rpan = (gdouble) (filter->panorama + 100) / 200.0;
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lpan = 1.0 - rpan;
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for (i = 0; i < num_samples; i++) {
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val = *idata++;
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*odata++ = val * lpan;
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*odata++ = val * rpan;
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}
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}
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static void
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gst_audio_panorama_transform_s2s_float (GstAudioPanorama * filter,
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gfloat * idata, gfloat * odata, guint num_samples)
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{
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guint i;
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gfloat lival, rival;
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gdouble lrpan, llpan, rrpan, rlpan;
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/* pan: -100 0 100
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* llpan: 1.0 1.0 0.0
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* lrpan: 1.0 0.0 0.0
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* rrpan: 0.0 1.0 1.0
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* rlpan: 0.0 0.0 1.0
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*/
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if (filter->panorama > 0) {
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rlpan = (gdouble) filter->panorama / 100.0;
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llpan = 1.0 - rlpan;
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lrpan = 0.0;
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rrpan = 1.0;
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} else {
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rrpan = (gdouble) (100 + filter->panorama) / 100.0;
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lrpan = 1.0 - rrpan;
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rlpan = 0.0;
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llpan = 1.0;
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}
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for (i = 0; i < num_samples; i++) {
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lival = *idata++;
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rival = *idata++;
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*odata++ = lival * llpan + rival * lrpan;
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*odata++ = lival * rlpan + rival * rrpan;
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}
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}
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/* this function does the actual processing
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*/
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static GstFlowReturn
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@ -358,8 +446,8 @@ gst_audio_panorama_transform (GstBaseTransform * base, GstBuffer * inbuf,
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if (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_TIMESTAMP (outbuf)))
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gst_object_sync_values (G_OBJECT (filter), GST_BUFFER_TIMESTAMP (outbuf));
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filter->process (filter, (gint16 *) GST_BUFFER_DATA (inbuf),
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(gint16 *) GST_BUFFER_DATA (outbuf), num_samples);
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filter->process (filter, GST_BUFFER_DATA (inbuf),
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GST_BUFFER_DATA (outbuf), num_samples);
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return GST_FLOW_OK;
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}
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@ -36,13 +36,15 @@ G_BEGIN_DECLS
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typedef struct _GstAudioPanorama GstAudioPanorama;
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typedef struct _GstAudioPanoramaClass GstAudioPanoramaClass;
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typedef void (*GstAudioPanoramaProcessFunc)(GstAudioPanorama*, guint8*, guint8*, guint);
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struct _GstAudioPanorama {
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GstBaseTransform element;
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gint panorama;
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/* < private > */
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void (*process)(GstAudioPanorama*, gint16*, gint16*, guint);
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GstAudioPanoramaProcessFunc process;
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};
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struct _GstAudioPanoramaClass {
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@ -29,6 +29,7 @@
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* <programlisting>
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* gst-launch audiotestsrc wave=saw ! audiopanorama panorama=-100 ! alsasink
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* gst-launch filesrc location="melo1.ogg" ! oggdemux ! vorbisdec ! audioconvert ! audiopanorama panorama=-100 ! alsasink
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* gst-launch audiotestsrc wave=saw ! audioconvert ! audiopanorama panorama=-100 ! audioconvert ! alsasink
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* </programlisting>
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* </para>
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* </refsect2>
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@ -71,7 +72,12 @@ enum
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static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw-int, "
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GST_STATIC_CAPS ("audio/x-raw-float, "
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"rate = (int) [ 1, MAX ], "
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"channels = (int) [ 1, 2 ], "
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"endianness = (int) BYTE_ORDER, "
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"width = (int) 32, " "signed = (boolean) true; "
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"audio/x-raw-int, "
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"rate = (int) [ 1, MAX ], "
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"channels = (int) [ 1, 2 ], "
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"endianness = (int) BYTE_ORDER, "
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@ -81,7 +87,12 @@ static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw-int, "
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GST_STATIC_CAPS ("audio/x-raw-float, "
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"rate = (int) [ 1, MAX ], "
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"channels = (int) 2, "
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"endianness = (int) BYTE_ORDER, "
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"width = (int) 32, " "signed = (boolean) true; "
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"audio/x-raw-int, "
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"rate = (int) [ 1, MAX ], "
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"channels = (int) 2, "
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"endianness = (int) BYTE_ORDER, "
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@ -106,10 +117,14 @@ static GstCaps *gst_audio_panorama_transform_caps (GstBaseTransform * base,
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static gboolean gst_audio_panorama_set_caps (GstBaseTransform * base,
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GstCaps * incaps, GstCaps * outcaps);
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static void gst_audio_panorama_transform_m2s (GstAudioPanorama * filter,
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static void gst_audio_panorama_transform_m2s_int (GstAudioPanorama * filter,
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gint16 * idata, gint16 * odata, guint num_samples);
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static void gst_audio_panorama_transform_s2s (GstAudioPanorama * filter,
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static void gst_audio_panorama_transform_s2s_int (GstAudioPanorama * filter,
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gint16 * idata, gint16 * odata, guint num_samples);
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static void gst_audio_panorama_transform_m2s_float (GstAudioPanorama * filter,
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gfloat * idata, gfloat * odata, guint num_samples);
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static void gst_audio_panorama_transform_s2s_float (GstAudioPanorama * filter,
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gfloat * idata, gfloat * odata, guint num_samples);
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static GstFlowReturn gst_audio_panorama_transform (GstBaseTransform * base,
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GstBuffer * inbuf, GstBuffer * outbuf);
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@ -243,6 +258,7 @@ gst_audio_panorama_set_caps (GstBaseTransform * base, GstCaps * incaps,
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const GstStructure *structure;
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gboolean ret;
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gint channels;
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const gchar *fmt;
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/*GST_INFO ("incaps are %" GST_PTR_FORMAT, incaps); */
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@ -250,18 +266,29 @@ gst_audio_panorama_set_caps (GstBaseTransform * base, GstCaps * incaps,
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ret = gst_structure_get_int (structure, "channels", &channels);
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if (!ret)
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goto no_channels;
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/* FIXME: also check width and gst_structure_get_name()?int/float */
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GST_DEBUG ("try to process input with %d channels", channels);
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fmt = gst_structure_get_name (structure);
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GST_DEBUG ("try to process %s input with %d channels", fmt, channels);
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/* set processing function */
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switch (channels) {
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case 1:
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filter->process = gst_audio_panorama_transform_m2s;
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if (!strcmp (fmt, "audio/x-raw-int"))
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filter->process = (GstAudioPanoramaProcessFunc)
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gst_audio_panorama_transform_m2s_int;
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else
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filter->process = (GstAudioPanoramaProcessFunc)
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gst_audio_panorama_transform_m2s_float;
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ret = TRUE;
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break;
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case 2:
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filter->process = gst_audio_panorama_transform_s2s;
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if (!strcmp (fmt, "audio/x-raw-int"))
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filter->process = (GstAudioPanoramaProcessFunc)
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gst_audio_panorama_transform_s2s_int;
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else
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filter->process = (GstAudioPanoramaProcessFunc)
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gst_audio_panorama_transform_s2s_float;
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ret = TRUE;
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break;
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default:
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@ -269,6 +296,7 @@ gst_audio_panorama_set_caps (GstBaseTransform * base, GstCaps * incaps,
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ret = FALSE;
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GST_WARNING ("can't process input with %d channels", channels);
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}
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return ret;
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no_channels:
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GST_DEBUG ("no channels in caps");
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@ -276,7 +304,7 @@ no_channels:
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}
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static void
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gst_audio_panorama_transform_m2s (GstAudioPanorama * filter, gint16 * idata,
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gst_audio_panorama_transform_m2s_int (GstAudioPanorama * filter, gint16 * idata,
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gint16 * odata, guint num_samples)
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{
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guint i;
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|
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@ -305,7 +333,7 @@ gst_audio_panorama_transform_m2s (GstAudioPanorama * filter, gint16 * idata,
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}
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static void
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gst_audio_panorama_transform_s2s (GstAudioPanorama * filter, gint16 * idata,
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gst_audio_panorama_transform_s2s_int (GstAudioPanorama * filter, gint16 * idata,
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gint16 * odata, guint num_samples)
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{
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guint i;
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|
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@ -343,6 +371,66 @@ gst_audio_panorama_transform_s2s (GstAudioPanorama * filter, gint16 * idata,
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}
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}
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static void
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gst_audio_panorama_transform_m2s_float (GstAudioPanorama * filter,
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gfloat * idata, gfloat * odata, guint num_samples)
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{
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guint i;
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gfloat val;
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gdouble rpan, lpan;
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/* pan: -100 0 100
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* lpan: 1.0 0.5 0.0
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* rpan: 0.0 0.5 1.0
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*
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* FIXME: we should use -3db (1/sqtr(2)) for 50:50
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*/
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rpan = (gdouble) (filter->panorama + 100) / 200.0;
|
||||
lpan = 1.0 - rpan;
|
||||
|
||||
for (i = 0; i < num_samples; i++) {
|
||||
val = *idata++;
|
||||
|
||||
*odata++ = val * lpan;
|
||||
*odata++ = val * rpan;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_audio_panorama_transform_s2s_float (GstAudioPanorama * filter,
|
||||
gfloat * idata, gfloat * odata, guint num_samples)
|
||||
{
|
||||
guint i;
|
||||
gfloat lival, rival;
|
||||
gdouble lrpan, llpan, rrpan, rlpan;
|
||||
|
||||
/* pan: -100 0 100
|
||||
* llpan: 1.0 1.0 0.0
|
||||
* lrpan: 1.0 0.0 0.0
|
||||
* rrpan: 0.0 1.0 1.0
|
||||
* rlpan: 0.0 0.0 1.0
|
||||
*/
|
||||
if (filter->panorama > 0) {
|
||||
rlpan = (gdouble) filter->panorama / 100.0;
|
||||
llpan = 1.0 - rlpan;
|
||||
lrpan = 0.0;
|
||||
rrpan = 1.0;
|
||||
} else {
|
||||
rrpan = (gdouble) (100 + filter->panorama) / 100.0;
|
||||
lrpan = 1.0 - rrpan;
|
||||
rlpan = 0.0;
|
||||
llpan = 1.0;
|
||||
}
|
||||
|
||||
for (i = 0; i < num_samples; i++) {
|
||||
lival = *idata++;
|
||||
rival = *idata++;
|
||||
|
||||
*odata++ = lival * llpan + rival * lrpan;
|
||||
*odata++ = lival * rlpan + rival * rrpan;
|
||||
}
|
||||
}
|
||||
|
||||
/* this function does the actual processing
|
||||
*/
|
||||
static GstFlowReturn
|
||||
|
|
@ -358,8 +446,8 @@ gst_audio_panorama_transform (GstBaseTransform * base, GstBuffer * inbuf,
|
|||
if (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_TIMESTAMP (outbuf)))
|
||||
gst_object_sync_values (G_OBJECT (filter), GST_BUFFER_TIMESTAMP (outbuf));
|
||||
|
||||
filter->process (filter, (gint16 *) GST_BUFFER_DATA (inbuf),
|
||||
(gint16 *) GST_BUFFER_DATA (outbuf), num_samples);
|
||||
filter->process (filter, GST_BUFFER_DATA (inbuf),
|
||||
GST_BUFFER_DATA (outbuf), num_samples);
|
||||
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -36,13 +36,15 @@ G_BEGIN_DECLS
|
|||
typedef struct _GstAudioPanorama GstAudioPanorama;
|
||||
typedef struct _GstAudioPanoramaClass GstAudioPanoramaClass;
|
||||
|
||||
typedef void (*GstAudioPanoramaProcessFunc)(GstAudioPanorama*, guint8*, guint8*, guint);
|
||||
|
||||
struct _GstAudioPanorama {
|
||||
GstBaseTransform element;
|
||||
|
||||
gint panorama;
|
||||
|
||||
/* < private > */
|
||||
void (*process)(GstAudioPanorama*, gint16*, gint16*, guint);
|
||||
GstAudioPanoramaProcessFunc process;
|
||||
};
|
||||
|
||||
struct _GstAudioPanoramaClass {
|
||||
|
|
|
|||
Loading…
Reference in a new issue