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+ the last of the float caps changes ... these are a bit more pervasive

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Original commit message from CVS:
+ the last of the float caps changes ... these are a bit more pervasive
This commit is contained in:
Leif Johnson 2003-07-19 23:47:42 +00:00
parent f6830d4ad1
commit 6d6150c052
8 changed files with 148 additions and 162 deletions
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150
gst-libs/gst/audio/audio.h
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@ -22,78 +22,97 @@
#include <gst/audio/audioclock.h> #include <gst/audio/audioclock.h>
G_BEGIN_DECLS
/* For people that are looking at this source: the purpose of these defines is /* For people that are looking at this source: the purpose of these defines is
* to make GstCaps a bit easier, in that you don't have to know all of the * to make GstCaps a bit easier, in that you don't have to know all of the
* properties that need to be defined. you can just use these macros. currently * properties that need to be defined. you can just use these macros. currently
* (8/01) the only plugins that use these are the passthrough, speed, volume, * (8/01) the only plugins that use these are the passthrough, speed, volume,
* adder, and [de]interleave plugins. * adder, and [de]interleave plugins. These are for convenience only, and do not
* These are for convenience only, and do not specify the 'limits' of * specify the 'limits' of GStreamer. you might also use these definitions as a
* GStreamer. you might also use these definitions as a
* base for making your own caps, if need be. * base for making your own caps, if need be.
* *
* For example, to make a source pad that can output mono streams of either * For example, to make a source pad that can output streams of either mono
* float or int: * float or any channel int:
*
template = gst_pad_template_new * template = gst_pad_template_new
("sink", GST_PAD_SINK, GST_PAD_ALWAYS, * ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
gst_caps_append(gst_caps_new ("sink_int", "audio/raw", * gst_caps_append(gst_caps_new ("sink_int", "audio/x-raw-int",
GST_AUDIO_INT_PAD_TEMPLATE_PROPS), * GST_AUDIO_INT_PAD_TEMPLATE_PROPS),
gst_caps_new ("sink_float", "audio/raw", * gst_caps_new ("sink_float", "audio/x-raw-float",
GST_AUDIO_FLOAT_MONO_PAD_TEMPLATE_PROPS)), * GST_AUDIO_FLOAT_PAD_TEMPLATE_PROPS)),
NULL); * NULL);
*
srcpad = gst_pad_new_from_template(template,"src"); * sinkpad = gst_pad_new_from_template(template, "sink");
*
* Andy Wingo, 18 August 2001 * Andy Wingo, 18 August 2001
* Thomas, 6 September 2002 */ * Thomas, 6 September 2002 */
/* a few useful defines for arbitrary limits */ #define GST_AUDIO_DEF_RATE 44100
#define GST_AUDIO_MIN_RATE 4000
#define GST_AUDIO_MAX_RATE 96000
#define GST_AUDIO_DEF_RATE 44100
#define GST_AUDIO_INT_PAD_TEMPLATE_PROPS \ #define GST_AUDIO_INT_PAD_TEMPLATE_PROPS \
gst_props_new (\ gst_props_new (\
"endianness", GST_PROPS_INT (G_BYTE_ORDER),\ "rate", GST_PROPS_INT_RANGE (1, G_MAXINT),\
"signed", GST_PROPS_LIST (\ "channels", GST_PROPS_INT_RANGE (1, G_MAXINT),\
GST_PROPS_BOOLEAN (TRUE),\ "endianness", GST_PROPS_LIST (\
GST_PROPS_BOOLEAN (FALSE)\ GST_PROPS_INT (G_LITTLE_ENDIAN),\
),\ GST_PROPS_INT (G_BIG_ENDIAN)\
"width", GST_PROPS_LIST (GST_PROPS_INT (8), \ ),\
GST_PROPS_INT (16)), \ "width", GST_PROPS_LIST (\
"depth", GST_PROPS_LIST (GST_PROPS_INT (8), \ GST_PROPS_INT (8),\
GST_PROPS_INT (16)),\ GST_PROPS_INT (16),\
"rate", GST_PROPS_INT_RANGE (GST_AUDIO_MIN_RATE, \ GST_PROPS_INT (32)\
GST_AUDIO_MAX_RATE),\ ),\
"channels", GST_PROPS_INT_RANGE (1, G_MAXINT),\ "depth", GST_PROPS_INT_RANGE (1, 32),\
NULL) "signed", GST_PROPS_LIST (\
GST_PROPS_BOOLEAN (TRUE),\
GST_PROPS_BOOLEAN (FALSE)\
),\
NULL)
#define GST_AUDIO_INT_MONO_PAD_TEMPLATE_PROPS \ #define GST_AUDIO_INT_MONO_PAD_TEMPLATE_PROPS \
gst_props_new (\ gst_props_new (\
"endianness", GST_PROPS_INT (G_BYTE_ORDER),\ "rate", GST_PROPS_INT_RANGE (1, G_MAXINT),\
"signed", GST_PROPS_LIST (\ "channels", GST_PROPS_INT (1),\
GST_PROPS_BOOLEAN (TRUE),\ "endianness", GST_PROPS_LIST (\
GST_PROPS_BOOLEAN (FALSE)\ GST_PROPS_INT (G_LITTLE_ENDIAN),\
),\ GST_PROPS_INT (G_BIG_ENDIAN)\
"width", GST_PROPS_LIST (GST_PROPS_INT (8), \ ),\
GST_PROPS_INT (16)),\ "width", GST_PROPS_LIST (\
"depth", GST_PROPS_LIST (GST_PROPS_INT (8), \ GST_PROPS_INT (8),\
GST_PROPS_INT (16)),\ GST_PROPS_INT (16),\
"rate", GST_PROPS_INT_RANGE (GST_AUDIO_MIN_RATE, \ GST_PROPS_INT (32)\
GST_AUDIO_MAX_RATE),\ ),\
"channels", GST_PROPS_INT (1),\ "depth", GST_PROPS_INT_RANGE (1, 32),\
NULL) "signed", GST_PROPS_LIST (\
GST_PROPS_BOOLEAN (TRUE),\
GST_PROPS_BOOLEAN (FALSE)\
),\
NULL)
#define GST_AUDIO_FLOAT_MONO_PAD_TEMPLATE_PROPS \ #define GST_AUDIO_FLOAT_PAD_TEMPLATE_PROPS \
gst_props_new (\ gst_props_new (\
"depth", GST_PROPS_INT (32),\ "rate", GST_PROPS_INT_RANGE (1, G_MAXINT),\
"endianness", GST_PROPS_INT (G_BYTE_ORDER),\ "channels", GST_PROPS_INT_RANGE (1, G_MAXINT),\
"intercept", GST_PROPS_FLOAT (0.0),\ "endianness", GST_PROPS_LIST (\
"slope", GST_PROPS_FLOAT (1.0),\ GST_PROPS_INT (G_LITTLE_ENDIAN),\
"rate", GST_PROPS_INT_RANGE (GST_AUDIO_MIN_RATE, \ GST_PROPS_INT (G_BIG_ENDIAN)\
GST_AUDIO_MAX_RATE),\ ),\
"channels", GST_PROPS_INT (1),\ "width", GST_PROPS_LIST (\
NULL) GST_PROPS_INT (32),\
GST_PROPS_INT (64)\
),\
"buffer-frames", GST_PROPS_INT_RANGE (1, G_MAXINT),\
NULL)
#define GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_PROPS \
gst_props_new (\
"rate", GST_PROPS_INT_RANGE (1, G_MAXINT),\
"channels", GST_PROPS_INT (1),\
"endianness", GST_PROPS_INT (G_BYTE_ORDER),\
"width", GST_PROPS_INT (32),\
"buffer-frames", GST_PROPS_INT_RANGE (1, G_MAXINT),\
NULL)
/* /*
* this library defines and implements some helper functions for audio * this library defines and implements some helper functions for audio
@ -101,21 +120,22 @@
*/ */
/* get byte size of audio frame (based on caps of pad */ /* get byte size of audio frame (based on caps of pad */
int gst_audio_frame_byte_size (GstPad* pad); int gst_audio_frame_byte_size (GstPad* pad);
/* get length in frames of buffer */ /* get length in frames of buffer */
long gst_audio_frame_length (GstPad* pad, GstBuffer* buf); long gst_audio_frame_length (GstPad* pad, GstBuffer* buf);
/* get frame rate based on caps */ /* get frame rate based on caps */
long gst_audio_frame_rate (GstPad *pad); long gst_audio_frame_rate (GstPad *pad);
/* calculate length in seconds of audio buffer buf based on caps of pad */ /* calculate length in seconds of audio buffer buf based on caps of pad */
double gst_audio_length (GstPad* pad, GstBuffer* buf); double gst_audio_length (GstPad* pad, GstBuffer* buf);
/* calculate highest possible sample value based on capabilities of pad */ /* calculate highest possible sample value based on capabilities of pad */
long gst_audio_highest_sample_value (GstPad* pad); long gst_audio_highest_sample_value (GstPad* pad);
/* check if the buffer size is a whole multiple of the frame size */ /* check if the buffer size is a whole multiple of the frame size */
gboolean gst_audio_is_buffer_framed (GstPad* pad, GstBuffer* buf); gboolean gst_audio_is_buffer_framed (GstPad* pad, GstBuffer* buf);
G_END_DECLS

12
gst/filter/gstfilter.c
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@ -38,38 +38,38 @@ static struct _elements_entry _elements[] = {
{ NULL, 0 }, { NULL, 0 },
}; };
GstPadTemplate* GstPadTemplate*
gst_filter_src_factory (void) gst_filter_src_factory (void)
{ {
static GstPadTemplate *templ = NULL; static GstPadTemplate *templ = NULL;
if (!templ) { if (!templ) {
templ = GST_PAD_TEMPLATE_NEW ( templ = GST_PAD_TEMPLATE_NEW (
"src", "src",
GST_PAD_SRC, GST_PAD_SRC,
GST_PAD_ALWAYS, GST_PAD_ALWAYS,
gst_caps_new ( gst_caps_new (
"filter_src", "filter_src",
"audio/x-raw-float", "audio/x-raw-float",
GST_AUDIO_FLOAT_MONO_PAD_TEMPLATE_PROPS GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_PROPS
) )
); );
} }
return templ; return templ;
} }
GstPadTemplate* GstPadTemplate*
gst_filter_sink_factory (void) gst_filter_sink_factory (void)
{ {
static GstPadTemplate *templ = NULL; static GstPadTemplate *templ = NULL;
if (!templ) { if (!templ) {
templ = GST_PAD_TEMPLATE_NEW ( templ = GST_PAD_TEMPLATE_NEW (
"sink", "sink",
GST_PAD_SINK, GST_PAD_SINK,
GST_PAD_ALWAYS, GST_PAD_ALWAYS,
gst_caps_new ( gst_caps_new (
"filter_src", "filter_src",
"audio/x-raw-float", "audio/x-raw-float",
GST_AUDIO_FLOAT_MONO_PAD_TEMPLATE_PROPS GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_PROPS
) )
); );
} }

6
gst/mixmatrix/mixmatrix.c
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@ -49,7 +49,7 @@ struct _GstMixMatrixClass {
/* elementfactory information */ /* elementfactory information */
static GstElementDetails mixmatrix_details = { static GstElementDetails mixmatrix_details = {
"Mixing Matrix", "Mixing Matrix",
"Filter/Audio/Mixing", "Filter/Audio",
"LGPL", "LGPL",
"Mix N audio channels together into M channels", "Mix N audio channels together into M channels",
VERSION, VERSION,
@ -79,7 +79,7 @@ GST_PAD_TEMPLATE_FACTORY (mixmatrix_sink_factory,
gst_caps_new ( gst_caps_new (
"float_src", "float_src",
"audio/x-raw-float", "audio/x-raw-float",
GST_AUDIO_FLOAT_MONO_PAD_TEMPLATE_PROPS GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_PROPS
) )
); );
@ -90,7 +90,7 @@ GST_PAD_TEMPLATE_FACTORY (mixmatrix_src_factory,
gst_caps_new ( gst_caps_new (
"float_sink", "float_sink",
"audio/x-raw-float", "audio/x-raw-float",
GST_AUDIO_FLOAT_MONO_PAD_TEMPLATE_PROPS GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_PROPS
) )
); );

48
gst/passthrough/gstpassthrough.c
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@ -53,21 +53,21 @@ enum {
ARG_SILENT ARG_SILENT
}; };
static GstPadTemplate* static GstPadTemplate*
passthrough_sink_factory (void) passthrough_sink_factory (void)
{ {
static GstPadTemplate *template = NULL; static GstPadTemplate *template = NULL;
if (! template) { if (! template) {
template = gst_pad_template_new template = gst_pad_template_new
("sink", GST_PAD_SINK, GST_PAD_ALWAYS, ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
gst_caps_append (gst_caps_new ("sink_int", "audio/x-raw-int", gst_caps_append (gst_caps_new ("sink_int", "audio/x-raw-int",
GST_AUDIO_INT_PAD_TEMPLATE_PROPS), GST_AUDIO_INT_PAD_TEMPLATE_PROPS),
gst_caps_new ("sink_float", "audio/x-raw-float", gst_caps_new ("sink_float", "audio/x-raw-float",
GST_AUDIO_FLOAT_MONO_PAD_TEMPLATE_PROPS)), GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_PROPS)),
NULL); NULL);
} }
return template; return template;
} }
static GstPadTemplate* static GstPadTemplate*
@ -79,7 +79,7 @@ passthrough_src_factory (void)
template = gst_pad_template_new template = gst_pad_template_new
("src", GST_PAD_SRC, GST_PAD_ALWAYS, ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
gst_caps_append (gst_caps_new ("src_float", "audio/x-raw-float", gst_caps_append (gst_caps_new ("src_float", "audio/x-raw-float",
GST_AUDIO_FLOAT_MONO_PAD_TEMPLATE_PROPS), GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_PROPS),
gst_caps_new ("src_int", "audio/x-raw-float", gst_caps_new ("src_int", "audio/x-raw-float",
GST_AUDIO_INT_PAD_TEMPLATE_PROPS)), GST_AUDIO_INT_PAD_TEMPLATE_PROPS)),
NULL); NULL);
@ -126,35 +126,29 @@ passthrough_connect_sink (GstPad *pad, GstCaps *caps)
g_return_val_if_fail (GST_IS_PASSTHROUGH (filter), GST_PAD_LINK_REFUSED); g_return_val_if_fail (GST_IS_PASSTHROUGH (filter), GST_PAD_LINK_REFUSED);
mimetype = gst_caps_get_mime(caps); mimetype = gst_caps_get_mime(caps);
gst_caps_get_int (caps, "rate", &filter->rate); gst_caps_get_int (caps, "rate", &filter->rate);
gst_caps_get_int (caps, "channels", &filter->channels); gst_caps_get_int (caps, "channels", &filter->channels);
gst_caps_get_int (caps, "width", &filter->width);
gst_caps_get_int (caps, "endianness", &filter->endianness);
if (strcmp (mimetype, "audio/x-raw-int") == 0) { if (strcmp (mimetype, "audio/x-raw-int") == 0) {
filter->format = GST_PASSTHROUGH_FORMAT_INT; filter->format = GST_PASSTHROUGH_FORMAT_INT;
gst_caps_get_int (caps, "width", &filter->width);
gst_caps_get_int (caps, "depth", &filter->depth); gst_caps_get_int (caps, "depth", &filter->depth);
gst_caps_get_int (caps, "law", &filter->law);
gst_caps_get_int (caps, "endianness", &filter->endianness);
gst_caps_get_boolean (caps, "signed", &filter->is_signed); gst_caps_get_boolean (caps, "signed", &filter->is_signed);
if (! filter->silent) { if (! filter->silent) {
g_print ("Passthrough : channels %d, rate %d\n", g_print ("Passthrough : channels %d, rate %d\n", filter->channels, filter->rate);
filter->channels, filter->rate);
g_print ("Passthrough : format int, bit width %d, endianness %d, signed %s\n", g_print ("Passthrough : format int, bit width %d, endianness %d, signed %s\n",
filter->width, filter->endianness, filter->is_signed ? "yes" : "no"); filter->width, filter->endianness, filter->is_signed ? "yes" : "no");
} }
} else if (strcmp (mimetype, "audio/x-raw-float") == 0) { } else if (strcmp (mimetype, "audio/x-raw-float") == 0) {
filter->format = GST_PASSTHROUGH_FORMAT_FLOAT; filter->format = GST_PASSTHROUGH_FORMAT_FLOAT;
gst_caps_get_string (caps, "layout", &filter->layout);
gst_caps_get_float (caps, "intercept", &filter->intercept);
gst_caps_get_float (caps, "slope", &filter->slope);
if (! filter->silent) { if (! filter->silent) {
g_print ("Passthrough : channels %d, rate %d\n", g_print ("Passthrough : channels %d, rate %d\n", filter->channels, filter->rate);
filter->channels, filter->rate); g_print ("Passthrough : format float, width %d\n", filter->width);
g_print ("Passthrough : format float, layout %s, intercept %f, slope %f\n",
filter->layout, filter->intercept, filter->slope);
} }
} }

22
gst/passthrough/gstpassthrough.h
View File

@ -59,26 +59,18 @@ struct _GstPassthrough {
GstBufferPool *bufpool; GstBufferPool *bufpool;
gboolean silent; gboolean silent;
/* the next three are valid for both int and float */ /* the next are valid for both int and float */
GstPassthroughFormat format; GstPassthroughFormat format;
guint rate; guint rate;
guint channels; guint channels;
/* the next five are valid only for format==GST_PASSTHROUGH_FORMAT_INT */
guint width; guint width;
guint depth;
guint endianness; guint endianness;
guint law;
/* the next are valid only for format==GST_PASSTHROUGH_FORMAT_INT */
guint depth;
gboolean is_signed; gboolean is_signed;
/* the next three are valid only for format==GST_PASSTHROUGH_FORMAT_FLOAT */
const gchar *layout;
gfloat slope;
gfloat intercept;
}; };
struct _GstPassthroughClass { struct _GstPassthroughClass {

8
gst/qtdemux/qtdemux.c
View File

@ -1673,18 +1673,14 @@ static GstCaps *qtdemux_audio_caps(GstQTDemux *qtdemux, guint32 fourcc)
"channels",GST_PROPS_INT_RANGE(1,G_MAXINT)); "channels",GST_PROPS_INT_RANGE(1,G_MAXINT));
case GST_MAKE_FOURCC('f','l','6','4'): case GST_MAKE_FOURCC('f','l','6','4'):
return GST_CAPS_NEW("fl64_caps","audio/x-raw-float", return GST_CAPS_NEW("fl64_caps","audio/x-raw-float",
"depth",GST_PROPS_INT (64), "width",GST_PROPS_INT (64),
"endianness",GST_PROPS_INT (G_BIG_ENDIAN), "endianness",GST_PROPS_INT (G_BIG_ENDIAN),
"intercept",GST_PROPS_FLOAT (0.0),
"slope",GST_PROPS_FLOAT (1.0),
"rate",GST_PROPS_INT_RANGE(1,G_MAXINT), "rate",GST_PROPS_INT_RANGE(1,G_MAXINT),
"channels",GST_PROPS_INT_RANGE(1,G_MAXINT)); "channels",GST_PROPS_INT_RANGE(1,G_MAXINT));
case GST_MAKE_FOURCC('f','l','3','2'): case GST_MAKE_FOURCC('f','l','3','2'):
return GST_CAPS_NEW("fl32_caps","audio/x-raw-float", return GST_CAPS_NEW("fl32_caps","audio/x-raw-float",
"depth",GST_PROPS_INT (32), "width",GST_PROPS_INT (32),
"endianness",GST_PROPS_INT (G_BIG_ENDIAN), "endianness",GST_PROPS_INT (G_BIG_ENDIAN),
"intercept",GST_PROPS_FLOAT (0.0),
"slope",GST_PROPS_FLOAT (1.0),
"rate",GST_PROPS_INT_RANGE(1,G_MAXINT), "rate",GST_PROPS_INT_RANGE(1,G_MAXINT),
"channels",GST_PROPS_INT_RANGE(1,G_MAXINT)); "channels",GST_PROPS_INT_RANGE(1,G_MAXINT));
case GST_MAKE_FOURCC('i','n','2','4'): case GST_MAKE_FOURCC('i','n','2','4'):

28
gst/speed/gstspeed.c
View File

@ -68,7 +68,7 @@ speed_sink_factory (void)
gst_caps_append(gst_caps_new ("sink_int", "audio/x-raw-int", gst_caps_append(gst_caps_new ("sink_int", "audio/x-raw-int",
GST_AUDIO_INT_MONO_PAD_TEMPLATE_PROPS), GST_AUDIO_INT_MONO_PAD_TEMPLATE_PROPS),
gst_caps_new ("sink_float", "audio/x-raw-float", gst_caps_new ("sink_float", "audio/x-raw-float",
GST_AUDIO_FLOAT_MONO_PAD_TEMPLATE_PROPS)), GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_PROPS)),
NULL); NULL);
} }
return template; return template;
@ -83,7 +83,7 @@ speed_src_factory (void)
template = gst_pad_template_new template = gst_pad_template_new
("src", GST_PAD_SRC, GST_PAD_ALWAYS, ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
gst_caps_append (gst_caps_new ("src_float", "audio/x-raw-float", gst_caps_append (gst_caps_new ("src_float", "audio/x-raw-float",
GST_AUDIO_FLOAT_MONO_PAD_TEMPLATE_PROPS), GST_AUDIO_FLOAT_STANDARD_PAD_TEMPLATE_PROPS),
gst_caps_new ("src_int", "audio/x-raw-int", gst_caps_new ("src_int", "audio/x-raw-int",
GST_AUDIO_INT_MONO_PAD_TEMPLATE_PROPS)), GST_AUDIO_INT_MONO_PAD_TEMPLATE_PROPS)),
NULL); NULL);
@ -142,36 +142,32 @@ speed_parse_caps (GstSpeed *filter, GstCaps *caps)
g_return_val_if_fail(filter!=NULL,-1); g_return_val_if_fail(filter!=NULL,-1);
g_return_val_if_fail(caps!=NULL,-1); g_return_val_if_fail(caps!=NULL,-1);
mimetype = gst_caps_get_mime (caps); mimetype = gst_caps_get_mime (caps);
gst_caps_get_int (caps, "rate", &filter->rate); gst_caps_get_int (caps, "rate", &filter->rate);
gst_caps_get_int (caps, "channels", &filter->channels); gst_caps_get_int (caps, "channels", &filter->channels);
gst_caps_get_int (caps, "width", &filter->width);
gst_caps_get_int (caps, "endianness", &filter->endianness);
if (strcmp(mimetype, "audio/x-raw-int")==0) { if (strcmp(mimetype, "audio/x-raw-int")==0) {
filter->format = GST_SPEED_FORMAT_INT; filter->format = GST_SPEED_FORMAT_INT;
gst_caps_get_int (caps, "width", &filter->width);
gst_caps_get_int (caps, "depth", &filter->depth); gst_caps_get_int (caps, "depth", &filter->depth);
gst_caps_get_int (caps, "law", &filter->law);
gst_caps_get_int (caps, "endianness", &filter->endianness);
gst_caps_get_boolean (caps, "signed", &filter->is_signed); gst_caps_get_boolean (caps, "signed", &filter->is_signed);
if (!filter->silent) { if (!filter->silent) {
g_print ("Speed : channels %d, rate %d\n", g_print ("Speed : channels %d, rate %d\n",
filter->channels, filter->rate); filter->channels, filter->rate);
g_print ("Speed : format int, bit width %d, endianness %d, signed %s\n", g_print ("Speed : format int, bit width %d, endianness %d, signed %s\n",
filter->width, filter->endianness, filter->is_signed ? "yes" : "no"); filter->width, filter->endianness, filter->is_signed ? "yes" : "no");
} }
} else if (strcmp(mimetype, "audio/x-raw-float")==0) { } else if (strcmp(mimetype, "audio/x-raw-float")==0) {
filter->format = GST_SPEED_FORMAT_FLOAT; filter->format = GST_SPEED_FORMAT_FLOAT;
gst_caps_get_float (caps, "intercept", &filter->intercept);
gst_caps_get_float (caps, "slope", &filter->slope);
if (!filter->silent) { if (!filter->silent) {
g_print ("Speed : channels %d, rate %d\n", g_print ("Speed : channels %d, rate %d\n",
filter->channels, filter->rate); filter->channels, filter->rate);
g_print ("Speed : format float, intercept %f, slope %f\n", g_print ("Speed : format float, width %d\n", filter->width);
filter->intercept, filter->slope);
} }
} else { } else {
return FALSE; return FALSE;

36
gst/speed/gstspeed.h
View File

@ -58,35 +58,23 @@ struct _GstSpeed {
GstPad *sinkpad, *srcpad; GstPad *sinkpad, *srcpad;
GstBufferPool *sinkpool, *srcpool; GstBufferPool *sinkpool, *srcpool;
gboolean silent;
gfloat speed;
/* the next three are valid for both int and float */
GstSpeedFormat format;
guint rate;
guint channels;
/* the next five are valid only for format==GST_SPEED_FORMAT_INT */
guint width;
guint depth;
gboolean silent;
gfloat speed;
/* the next are valid for both int and float */
GstSpeedFormat format;
guint rate;
guint channels;
guint width;
guint endianness; guint endianness;
guint law; /* the next are valid only for format==GST_SPEED_FORMAT_INT */
guint depth;
gboolean is_signed; gboolean is_signed;
/* the next three are valid only for format==GST_SPEED_FORMAT_FLOAT */ /* the next three are valid only for format==GST_SPEED_FORMAT_FLOAT */
gfloat slope; gfloat slope;
gfloat intercept; gfloat intercept;
}; };