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gst-libs/gst/video/video.h: Fix caps template names to be understandable.

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Original commit message from CVS:
2004-01-12  Benjamin Otte  <in7y118@public.uni-hamburg.de>

* gst-libs/gst/video/video.h:
Fix caps template names to be understandable.
Prefix everything with GST_VIDEO.
* ext/aalib/gstaasink.c:
* ext/divx/gstdivxdec.c:
* ext/divx/gstdivxenc.c:
* ext/gdk_pixbuf/gstgdkpixbuf.c:
* ext/hermes/gstcolorspace.c: (gst_colorspace_base_init):
* ext/jpeg/gstjpegdec.c: (raw_caps_factory):
* ext/jpeg/gstjpegenc.c: (raw_caps_factory):
* ext/libcaca/gstcacasink.c:
* ext/libpng/gstpngenc.c: (raw_caps_factory):
* ext/snapshot/gstsnapshot.c:
* ext/swfdec/gstswfdec.c:
* ext/xvid/gstxviddec.c:
* ext/xvid/gstxvidenc.c:
* gst/chart/gstchart.c:
* gst/deinterlace/gstdeinterlace.c:
* gst/effectv/gsteffectv.c:
* gst/flx/gstflxdec.c: (gst_flxdec_loop):
* gst/goom/gstgoom.c:
* gst/median/gstmedian.c:
* gst/monoscope/gstmonoscope.c: (gst_monoscope_init),
(gst_monoscope_srcconnect), (gst_monoscope_chain):
* gst/overlay/gstoverlay.c:
* gst/smooth/gstsmooth.c:
* gst/smpte/gstsmpte.c:
* gst/synaesthesia/gstsynaesthesia.c:
* gst/videocrop/gstvideocrop.c:
* gst/videodrop/gstvideodrop.c:
* gst/y4m/gsty4mencode.c:
* sys/qcam/gstqcamsrc.c:
* sys/v4l/gstv4lsrc.c: (gst_v4lsrc_palette_to_caps):
Make them work with new video.h file.
* sys/ximage/ximagesink.c: (gst_ximagesink_chain),
(gst_ximagesink_buffer_free), (gst_ximagesink_buffer_alloc):
* sys/xvimage/xvimagesink.c: (gst_xvimagesink_chain),
(gst_xvimagesink_buffer_free), (gst_xvimagesink_buffer_alloc):
Make it work with new buffer allocation system.
This commit is contained in:
Benjamin Otte 2004-01-12 02:01:52 +00:00
parent becf91cdfc
commit 883b6925fd
5 changed files with 173 additions and 160 deletions
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42
ChangeLog
View file

@ -1,3 +1,45 @@
2004-01-12 Benjamin Otte <in7y118@public.uni-hamburg.de>
* gst-libs/gst/video/video.h:
Fix caps template names to be understandable.
Prefix everything with GST_VIDEO.
* ext/aalib/gstaasink.c:
* ext/divx/gstdivxdec.c:
* ext/divx/gstdivxenc.c:
* ext/gdk_pixbuf/gstgdkpixbuf.c:
* ext/hermes/gstcolorspace.c: (gst_colorspace_base_init):
* ext/jpeg/gstjpegdec.c: (raw_caps_factory):
* ext/jpeg/gstjpegenc.c: (raw_caps_factory):
* ext/libcaca/gstcacasink.c:
* ext/libpng/gstpngenc.c: (raw_caps_factory):
* ext/snapshot/gstsnapshot.c:
* ext/swfdec/gstswfdec.c:
* ext/xvid/gstxviddec.c:
* ext/xvid/gstxvidenc.c:
* gst/chart/gstchart.c:
* gst/deinterlace/gstdeinterlace.c:
* gst/effectv/gsteffectv.c:
* gst/flx/gstflxdec.c: (gst_flxdec_loop):
* gst/goom/gstgoom.c:
* gst/median/gstmedian.c:
* gst/monoscope/gstmonoscope.c: (gst_monoscope_init),
(gst_monoscope_srcconnect), (gst_monoscope_chain):
* gst/overlay/gstoverlay.c:
* gst/smooth/gstsmooth.c:
* gst/smpte/gstsmpte.c:
* gst/synaesthesia/gstsynaesthesia.c:
* gst/videocrop/gstvideocrop.c:
* gst/videodrop/gstvideodrop.c:
* gst/y4m/gsty4mencode.c:
* sys/qcam/gstqcamsrc.c:
* sys/v4l/gstv4lsrc.c: (gst_v4lsrc_palette_to_caps):
Make them work with new video.h file.
* sys/ximage/ximagesink.c: (gst_ximagesink_chain),
(gst_ximagesink_buffer_free), (gst_ximagesink_buffer_alloc):
* sys/xvimage/xvimagesink.c: (gst_xvimagesink_chain),
(gst_xvimagesink_buffer_free), (gst_xvimagesink_buffer_alloc):
Make it work with new buffer allocation system.
2004-01-11 Julien MOUTTE <julien@moutte.net>
* ext/ffmpeg/gstffmpegcolorspace.c: (gst_ffmpegcsp_chain): Fixing the

242
gst-libs/gst/video/video.h
View file

@ -23,156 +23,136 @@
#include <gst/gst.h>
#define R_MASK_32 "0xff000000"
#define G_MASK_32 "0x00ff0000"
#define B_MASK_32 "0x0000ff00"
#define GST_VIDEO_BYTE1_MASK_32 "0xFF000000"
#define GST_VIDEO_BYTE2_MASK_32 "0x00FF0000"
#define GST_VIDEO_BYTE3_MASK_32 "0x0000FF00"
#define GST_VIDEO_BYTE4_MASK_32 "0x000000FF"
#define R_MASK_32_REVERSE "0x000000ff"
#define G_MASK_32_REVERSE "0x0000ff00"
#define B_MASK_32_REVERSE "0x00ff0000"
#define GST_VIDEO_BYTE1_MASK_24 "0x00FF0000"
#define GST_VIDEO_BYTE2_MASK_24 "0x0000FF00"
#define GST_VIDEO_BYTE3_MASK_24 "0x000000FF"
#define R_MASK_24 "0xff0000"
#define G_MASK_24 "0x00ff00"
#define B_MASK_24 "0x0000ff"
#define GST_VIDEO_BYTE1_MASK_32_INT 0xFF000000
#define GST_VIDEO_BYTE2_MASK_32_INT 0x00FF0000
#define GST_VIDEO_BYTE3_MASK_32_INT 0x0000FF00
#define GST_VIDEO_BYTE4_MASK_32_INT 0x000000FF
#define R_MASK_24_REVERSE "0x0000ff"
#define G_MASK_24_REVERSE "0x00ff00"
#define B_MASK_24_REVERSE "0xff0000"
#define GST_VIDEO_BYTE1_MASK_24_INT 0x00FF0000
#define GST_VIDEO_BYTE2_MASK_24_INT 0x0000FF00
#define GST_VIDEO_BYTE3_MASK_24_INT 0x000000FF
#define R_MASK_16 "0xf800"
#define G_MASK_16 "0x07e0"
#define B_MASK_16 "0x001f"
#define GST_VIDEO_RED_MASK_16 "0xf800"
#define GST_VIDEO_GREEN_MASK_16 "0x07e0"
#define GST_VIDEO_BLUE_MASK_16 "0x001f"
#define R_MASK_15 "0x7c00"
#define G_MASK_15 "0x03e0"
#define B_MASK_15 "0x001f"
#define GST_VIDEO_RED_MASK_15 "0x7c00"
#define GST_VIDEO_GREEN_MASK_15 "0x03e0"
#define GST_VIDEO_BLUE_MASK_15 "0x001f"
#define R_MASK_32_INT 0xff000000
#define G_MASK_32_INT 0x00ff0000
#define B_MASK_32_INT 0x0000ff00
#define GST_VIDEO_RED_MASK_16_INT 0xf800
#define GST_VIDEO_GREEN_MASK_16_INT 0x07e0
#define GST_VIDEO_BLUE_MASK_16_INT 0x001f
#define R_MASK_32_REVERSE_INT 0x000000ff
#define G_MASK_32_REVERSE_INT 0x0000ff00
#define B_MASK_32_REVERSE_INT 0x00ff0000
#define GST_VIDEO_RED_MASK_15_INT 0x7c00
#define GST_VIDEO_GREEN_MASK_15_INT 0x03e0
#define GST_VIDEO_BLUE_MASK_15_INT 0x001f
#define R_MASK_24_INT 0xff0000
#define G_MASK_24_INT 0x00ff00
#define B_MASK_24_INT 0x0000ff
#define GST_VIDEO_SIZE_RANGE "(int) [ 16, 4096 ]"
#define GST_VIDEO_FPS_RANGE "(double) [ 0, max ]"
#define R_MASK_24_REVERSE_INT 0x0000ff
#define G_MASK_24_REVERSE_INT 0x00ff00
#define B_MASK_24_REVERSE_INT 0xff0000
/* consider the next 2 protected */
#define __GST_VIDEO_CAPS_MAKE_32(R, G, B) \
"video/x-raw-rgb, " \
"bpp = (int) 32, " \
"depth = (int) 24, " \
"endianness = (int) BIG_ENDIAN, " \
"red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_32 ", " \
"green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_32 ", " \
"blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_32 ", " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE
#define R_MASK_16_INT 0xf800
#define G_MASK_16_INT 0x07e0
#define B_MASK_16_INT 0x001f
#define __GST_VIDEO_CAPS_MAKE_24(R, G, B) \
"video/x-raw-rgb, " \
"bpp = (int) 24, " \
"depth = (int) 24, " \
"endianness = (int) BIG_ENDIAN, " \
"red_mask = (int) " GST_VIDEO_BYTE ## R ## _MASK_24 ", " \
"green_mask = (int) " GST_VIDEO_BYTE ## G ## _MASK_24 ", " \
"blue_mask = (int) " GST_VIDEO_BYTE ## B ## _MASK_24 ", " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE
#define R_MASK_15_INT 0x7c00
#define G_MASK_15_INT 0x03e0
#define B_MASK_15_INT 0x001f
#define SIZE_RANGE "(int) [ 16, 4096 ]"
#define FPS_RANGE "(double) [ 0, max ]"
/* 24 bit */
/* properties for pad templates */
#define GST_VIDEO_RGB_PAD_TEMPLATE_CAPS_24_32 \
GST_VIDEO_RGB_PAD_TEMPLATE_CAPS_32 "; " \
GST_VIDEO_RGB_PAD_TEMPLATE_CAPS_24
#define GST_VIDEO_CAPS_RGB \
__GST_VIDEO_CAPS_MAKE_24 (1, 2, 3)
#define GST_VIDEO_RGB_PAD_TEMPLATE_CAPS_24_32_REVERSE \
GST_VIDEO_RGB_PAD_TEMPLATE_CAPS_32_REVERSE "; " \
GST_VIDEO_RGB_PAD_TEMPLATE_CAPS_24_REVERSE
#define GST_VIDEO_CAPS_BGR \
__GST_VIDEO_CAPS_MAKE_24 (3, 2, 1)
#define GST_VIDEO_RGB_PAD_TEMPLATE_CAPS_32 \
"video/x-raw-rgb, " \
"bpp = (int) 32, " \
"depth = (int) 24, " \
"endianness = (int) BIG_ENDIAN, " \
"red_mask = (int) " R_MASK_32 ", " \
"green_mask = (int) " G_MASK_32 ", " \
"blue_mask = (int) " B_MASK_32 ", " \
"width = " SIZE_RANGE ", " \
"height = " SIZE_RANGE ", " \
"framerate = " FPS_RANGE
/* 32 bit */
#define GST_VIDEO_RGB_PAD_TEMPLATE_CAPS_24 \
"video/x-raw-rgb, " \
"bpp = (int) 24, " \
"depth = (int) 24, " \
"endianness = (int) BIG_ENDIAN, " \
"red_mask = (int) " R_MASK_24 ", " \
"green_mask = (int) " G_MASK_24 ", " \
"blue_mask = (int) " B_MASK_24 ", " \
"width = " SIZE_RANGE ", " \
"height = " SIZE_RANGE ", " \
"framerate = " FPS_RANGE
#define GST_VIDEO_CAPS_RGBx \
__GST_VIDEO_CAPS_MAKE_32 (1, 2, 3)
#define GST_VIDEO_CAPS_xRGB \
__GST_VIDEO_CAPS_MAKE_32 (2, 3, 4)
#define GST_VIDEO_CAPS_BGRx \
__GST_VIDEO_CAPS_MAKE_32 (3, 2, 1)
#define GST_VIDEO_CAPS_xBGR \
__GST_VIDEO_CAPS_MAKE_32 (4, 3, 2)
#define GST_VIDEO_RGB_PAD_TEMPLATE_CAPS_32_REVERSE \
"video/x-raw-rgb, " \
"bpp = (int) 32, " \
"depth = (int) 24, " \
"endianness = (int) BIG_ENDIAN, " \
"red_mask = (int) " R_MASK_32_REVERSE ", " \
"green_mask = (int) " G_MASK_32_REVERSE ", " \
"blue_mask = (int) " B_MASK_32_REVERSE ", " \
"width = " SIZE_RANGE ", " \
"height = " SIZE_RANGE ", " \
"framerate = " FPS_RANGE
/* note: the macro name uses the order on BE systems */
#if G_BYTE_ORDER == G_BIG_ENDIAN
#define GST_VIDEO_CAPS_xRGB_HOST_ENDIAN \
GST_VIDEO_CAPS_xRGB
#define GST_VIDEO_CAPS_BGRx_HOST_ENDIAN \
GST_VIDEO_CAPS_BGRx
#else
#define GST_VIDEO_CAPS_xRGB_HOST_ENDIAN \
GST_VIDEO_CAPS_BGRx
#define GST_VIDEO_CAPS_BGRx_HOST_ENDIAN \
GST_VIDEO_CAPS_xRGB
#endif
/* 15/16 bit */
#define GST_VIDEO_CAPS_RGB_16 \
"video/x-raw-rgb, " \
"bpp = (int) 16, " \
"depth = (int) 16, " \
"endianness = (int) BYTE_ORDER, " \
"red_mask = (int) " GST_VIDEO_RED_MASK_16 ", " \
"green_mask = (int) " GST_VIDEO_GREEN_MASK_16 ", " \
"blue_mask = (int) " GST_VIDEO_BLUE_MASK_16 ", " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE
#define GST_VIDEO_RGB_PAD_TEMPLATE_CAPS_24_REVERSE \
"video/x-raw-rgb, " \
"bpp = (int) 24, " \
"depth = (int) 24, " \
"endianness = (int) BIG_ENDIAN, " \
"red_mask = (int) " R_MASK_24_REVERSE ", " \
"green_mask = (int) " G_MASK_24_REVERSE ", " \
"blue_mask = (int) " B_MASK_24_REVERSE ", " \
"width = " SIZE_RANGE ", " \
"height = " SIZE_RANGE ", " \
"framerate = " FPS_RANGE
#define GST_VIDEO_CAPS_RGB_15 \
"video/x-raw-rgb, " \
"bpp = (int) 16, " \
"depth = (int) 15, " \
"endianness = (int) BYTE_ORDER, " \
"red_mask = (int) " GST_VIDEO_RED_MASK_15 ", " \
"green_mask = (int) " GST_VIDEO_GREEN_MASK_15 ", " \
"blue_mask = (int) " GST_VIDEO_BLUE_MASK_15 ", " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE
#define GST_VIDEO_RGB_PAD_TEMPLATE_CAPS_15_16 \
"video/x-raw-rgb, " \
"bpp = (int) 16, " \
"depth = (int) { 15, 16 }, " \
"endianness = (int) BYTE_ORDER, " \
"red_mask = (int) { " R_MASK_15 ", " R_MASK_16 " }, " \
"green_mask = (int) { " G_MASK_15 ", " G_MASK_16 " }, " \
"blue_mask = (int) { " B_MASK_15 ", " B_MASK_16 " }, " \
"width = " SIZE_RANGE ", " \
"height = " SIZE_RANGE ", " \
"framerate = " FPS_RANGE
#define GST_VIDEO_RGB_PAD_TEMPLATE_CAPS_16 \
"video/x-raw-rgb, " \
"bpp = (int) 16, " \
"depth = (int) 16, " \
"endianness = (int) BYTE_ORDER, " \
"red_mask = (int) " R_MASK_16 ", " \
"green_mask = (int) " G_MASK_16 ", " \
"blue_mask = (int) " B_MASK_16 ", " \
"width = " SIZE_RANGE ", " \
"height = " SIZE_RANGE ", " \
"framerate = " FPS_RANGE
#define GST_VIDEO_RGB_PAD_TEMPLATE_CAPS_15 \
"video/x-raw-rgb, " \
"bpp = (int) 16, " \
"depth = (int) 15, " \
"endianness = (int) BYTE_ORDER, " \
"red_mask = (int) " R_MASK_15 ", " \
"green_mask = (int) " G_MASK_15 ", " \
"blue_mask = (int) " B_MASK_15 ", " \
"width = " SIZE_RANGE ", " \
"height = " SIZE_RANGE ", " \
"framerate = " FPS_RANGE
#define GST_VIDEO_YUV_PAD_TEMPLATE_CAPS(fourcc) \
"video/x-raw-yuv, " \
"format = (fourcc) " fourcc ", " \
"width = " SIZE_RANGE ", " \
"height = " SIZE_RANGE ", " \
"framerate = " FPS_RANGE
#define GST_VIDEO_CAPS_YUV(fourcc) \
"video/x-raw-yuv, " \
"format = (fourcc) " fourcc ", " \
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE
/* functions */
gdouble gst_video_frame_rate (GstPad *pad);

13
sys/v4l/gstv4lsrc.c
View file

@ -24,7 +24,6 @@
#include <string.h>
#include <sys/time.h>
#include "v4lsrc_calls.h"
#include <gst/video/video.h>
/* elementfactory information */
static GstElementDetails gst_v4lsrc_details = GST_ELEMENT_DETAILS (
@ -391,18 +390,18 @@ gst_v4lsrc_palette_to_caps (int palette)
"bpp = (int) 24, "
"depth = (int) 24, "
"endianness = (int) BIG_ENDIAN, "
"red_mask = " R_MASK_24 ", "
"green_mask = " G_MASK_24 ", "
"blue_mask = " B_MASK_24);
"red_mask = 0xFF0000, "
"green_mask = 0x00FF00, "
"blue_mask = 0x0000FF");
break;
case VIDEO_PALETTE_RGB32:
caps = gst_caps_from_string ("video/x-raw-rgb, "
"bpp = (int) 24, "
"depth = (int) 32, "
"endianness = (int) BIG_ENDIAN, "
"red_mask = " R_MASK_32 ", "
"green_mask = " G_MASK_32 ", "
"blue_mask = " B_MASK_32);
"red_mask = 0xFF000000, "
"green_mask = 0x00FF0000, "
"blue_mask = 0x0000FF00");
break;
default:
g_assert_not_reached();

18
sys/ximage/ximagesink.c
View file

@ -49,6 +49,8 @@ GST_STATIC_PAD_TEMPLATE (
"height = (int) [ 0, MAX ]")
);
static void gst_ximagesink_buffer_free (GstBuffer *buffer);
static GstVideoSinkClass *parent_class = NULL;
/* ============================================================= */
@ -739,7 +741,8 @@ gst_ximagesink_chain (GstPad *pad, GstData *data)
/* If this buffer has been allocated using our buffer management we simply
put the ximage which is in the PRIVATE pointer */
if (GST_BUFFER_PRIVATE (buf))
/* FIXME: need to check for correct xvimagesink here? */
if (GST_BUFFER_FREE_DATA_FUNC (buf) == gst_ximagesink_buffer_free)
{
gst_ximagesink_ximage_put (ximagesink, GST_BUFFER_PRIVATE (buf));
}
@ -773,19 +776,16 @@ gst_ximagesink_chain (GstPad *pad, GstData *data)
/* Buffer management */
static void
gst_ximagesink_buffer_free (GstData *data)
gst_ximagesink_buffer_free (GstBuffer *buffer)
{
GstXImageSink *ximagesink;
GstXImage *ximage;
GstBuffer *buffer;
ximage = GST_BUFFER_PRIVATE (data);
ximage = GST_BUFFER_PRIVATE (buffer);
g_assert (GST_IS_XIMAGESINK (ximage->ximagesink));
ximagesink = ximage->ximagesink;
buffer = GST_BUFFER (data);
/* If our geometry changed we can't reuse that image. */
if ( (ximage->width != GST_VIDEOSINK_WIDTH (ximagesink)) ||
(ximage->height != GST_VIDEOSINK_HEIGHT (ximagesink)) )
@ -796,10 +796,6 @@ gst_ximagesink_buffer_free (GstData *data)
ximagesink->image_pool = g_slist_prepend (ximagesink->image_pool, ximage);
g_mutex_unlock (ximagesink->pool_lock);
}
GST_BUFFER_DATA (buffer) = NULL;
gst_buffer_default_free (buffer);
}
static GstBuffer *
@ -856,7 +852,7 @@ gst_ximagesink_buffer_alloc (GstPad *pad, guint64 offset, guint size)
GST_BUFFER_PRIVATE (buffer) = ximage;
GST_BUFFER_DATA (buffer) = ximage->ximage->data;
GST_DATA_FREE_FUNC (buffer) = gst_ximagesink_buffer_free;
GST_BUFFER_FREE_DATA_FUNC (buffer) = gst_ximagesink_buffer_free;
GST_BUFFER_SIZE (buffer) = ximage->size;
return buffer;
}

18
sys/xvimage/xvimagesink.c
View file

@ -55,6 +55,8 @@ GST_STATIC_PAD_TEMPLATE (
)
);
static void gst_xvimagesink_buffer_free (GstBuffer *buffer);
static GstVideoSinkClass *parent_class = NULL;
/* ============================================================= */
@ -899,7 +901,8 @@ gst_xvimagesink_chain (GstPad *pad, GstData *data)
/* If this buffer has been allocated using our buffer management we simply
put the ximage which is in the PRIVATE pointer */
if (GST_BUFFER_PRIVATE (buf))
/* FIXME: need to check for correct xvimagesink here? */
if (GST_BUFFER_FREE_DATA_FUNC (buf) == gst_xvimagesink_buffer_free)
{
gst_xvimagesink_xvimage_put (xvimagesink, GST_BUFFER_PRIVATE (buf));
}
@ -933,19 +936,16 @@ gst_xvimagesink_chain (GstPad *pad, GstData *data)
/* Buffer management */
static void
gst_xvimagesink_buffer_free (GstData *data)
gst_xvimagesink_buffer_free (GstBuffer *buffer)
{
GstXvImageSink *xvimagesink;
GstXvImage *xvimage;
GstBuffer *buffer;
xvimage = GST_BUFFER_PRIVATE (data);
xvimage = GST_BUFFER_PRIVATE (buffer);
g_assert (GST_IS_XVIMAGESINK (xvimage->xvimagesink));
xvimagesink = xvimage->xvimagesink;
buffer = GST_BUFFER (data);
/* If our geometry changed we can't reuse that image. */
if ( (xvimage->width != GST_VIDEOSINK_WIDTH (xvimagesink)) ||
(xvimage->height != GST_VIDEOSINK_HEIGHT (xvimagesink)) )
@ -957,10 +957,6 @@ gst_xvimagesink_buffer_free (GstData *data)
xvimage);
g_mutex_unlock (xvimagesink->pool_lock);
}
GST_BUFFER_DATA (buffer) = NULL;
gst_buffer_default_free (buffer);
}
static GstBuffer *
@ -1017,7 +1013,7 @@ gst_xvimagesink_buffer_alloc (GstPad *pad, guint64 offset, guint size)
GST_BUFFER_PRIVATE (buffer) = xvimage;
GST_BUFFER_DATA (buffer) = xvimage->xvimage->data;
GST_DATA_FREE_FUNC (buffer) = gst_xvimagesink_buffer_free;
GST_BUFFER_FREE_DATA_FUNC (buffer) = gst_xvimagesink_buffer_free;
GST_BUFFER_SIZE (buffer) = xvimage->size;
return buffer;
}