mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-18 14:26:43 +00:00
Code Issues 1 Projects Releases Wiki Activity

videomixer: Remove the calculate_frame_size() function and use libgstvideo instead

Browse source
This commit is contained in:
Sebastian Dröge 2009-07-10 17:23:03 +02:00
parent 34c97c0c6f
commit 4ccd9c92ae
5 changed files with 9 additions and 33 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
gst/videomixer/blend_ayuv.c
View file

@ -264,9 +264,3 @@ gst_videomixer_fill_ayuv_color (guint8 * dest, gint width, gint height,
} }
} }
} }
size_t
gst_videomixer_calculate_frame_size_ayuv (gint width, gint height)
{
return GST_ROUND_UP_4 (width) * height * 4;
}

6
gst/videomixer/blend_bgra.c
View file

@ -131,10 +131,4 @@ gst_videomixer_fill_##name##_color (guint8 * dest, gint width, gint height, \
CREATE_FUNCTIONS (argb, 0, 1, 2, 3); CREATE_FUNCTIONS (argb, 0, 1, 2, 3);
CREATE_FUNCTIONS (bgra, 3, 2, 1, 0); CREATE_FUNCTIONS (bgra, 3, 2, 1, 0);
size_t
gst_videomixer_calculate_frame_size_bgra (gint width, gint height)
{
return GST_ROUND_UP_4 (width) * height * 4;
}
#undef BLEND_MODE #undef BLEND_MODE

7
gst/videomixer/blend_i420.c
View file

@ -334,10 +334,3 @@ gst_videomixer_fill_i420_color (guint8 * dest, gint width, gint height,
memset (dest + VIDEO_V_OFFSET (width, height), colV, size); memset (dest + VIDEO_V_OFFSET (width, height), colV, size);
} }
size_t
gst_videomixer_calculate_frame_size_i420 (gint width, gint height)
{
return GST_ROUND_UP_4 (width) * GST_ROUND_UP_2 (height) +
2 * (GST_ROUND_UP_8 (width) / 2) * (GST_ROUND_UP_2 (height) / 2);
}

19
gst/videomixer/videomixer.c
View file

@ -103,7 +103,6 @@ void gst_videomixer_blend_ayuv_ayuv (guint8 * src, gint xpos, gint ypos,
void gst_videomixer_fill_ayuv_checker (guint8 * dest, gint width, gint height); void gst_videomixer_fill_ayuv_checker (guint8 * dest, gint width, gint height);
void gst_videomixer_fill_ayuv_color (guint8 * dest, gint width, gint height, void gst_videomixer_fill_ayuv_color (guint8 * dest, gint width, gint height,
gint colY, gint colU, gint colV); gint colY, gint colU, gint colV);
size_t gst_videomixer_calculate_frame_size_ayuv (gint width, gint height);
/*BGRA/ARGB function definitions see file: blend_bgra*/ /*BGRA/ARGB function definitions see file: blend_bgra*/
void gst_videomixer_blend_bgra_bgra (guint8 * src, gint xpos, gint ypos, void gst_videomixer_blend_bgra_bgra (guint8 * src, gint xpos, gint ypos,
gint src_width, gint src_height, gdouble src_alpha, gint src_width, gint src_height, gdouble src_alpha,
@ -117,7 +116,6 @@ void gst_videomixer_blend_argb_argb (guint8 * src, gint xpos, gint ypos,
void gst_videomixer_fill_argb_checker (guint8 * dest, gint width, gint height); void gst_videomixer_fill_argb_checker (guint8 * dest, gint width, gint height);
void gst_videomixer_fill_argb_color (guint8 * dest, gint width, gint height, void gst_videomixer_fill_argb_color (guint8 * dest, gint width, gint height,
gint colY, gint colU, gint colV); gint colY, gint colU, gint colV);
size_t gst_videomixer_calculate_frame_size_bgra (gint width, gint height);
/*I420 function definitions see file: blend_i420.c*/ /*I420 function definitions see file: blend_i420.c*/
void gst_videomixer_blend_i420_i420 (guint8 * src, gint xpos, gint ypos, void gst_videomixer_blend_i420_i420 (guint8 * src, gint xpos, gint ypos,
gint src_width, gint src_height, gdouble src_alpha, gint src_width, gint src_height, gdouble src_alpha,
@ -125,7 +123,6 @@ void gst_videomixer_blend_i420_i420 (guint8 * src, gint xpos, gint ypos,
void gst_videomixer_fill_i420_checker (guint8 * dest, gint width, gint height); void gst_videomixer_fill_i420_checker (guint8 * dest, gint width, gint height);
void gst_videomixer_fill_i420_color (guint8 * dest, gint width, gint height, void gst_videomixer_fill_i420_color (guint8 * dest, gint width, gint height,
gint colY, gint colU, gint colV); gint colY, gint colU, gint colV);
size_t gst_videomixer_calculate_frame_size_i420 (gint width, gint height);
#define DEFAULT_PAD_ZORDER 0 #define DEFAULT_PAD_ZORDER 0
#define DEFAULT_PAD_XPOS 0 #define DEFAULT_PAD_XPOS 0
@ -904,7 +901,6 @@ static gboolean
gst_videomixer_setcaps (GstPad * pad, GstCaps * caps) gst_videomixer_setcaps (GstPad * pad, GstCaps * caps)
{ {
GstVideoMixer *mixer = GST_VIDEO_MIXER (gst_pad_get_parent_element (pad)); GstVideoMixer *mixer = GST_VIDEO_MIXER (gst_pad_get_parent_element (pad));
GstVideoFormat fmt;
gboolean ret = FALSE; gboolean ret = FALSE;
GST_INFO_OBJECT (mixer, "set src caps: %" GST_PTR_FORMAT, caps); GST_INFO_OBJECT (mixer, "set src caps: %" GST_PTR_FORMAT, caps);
@ -912,38 +908,33 @@ gst_videomixer_setcaps (GstPad * pad, GstCaps * caps)
mixer->blend = NULL; mixer->blend = NULL;
mixer->fill_checker = NULL; mixer->fill_checker = NULL;
mixer->fill_color = NULL; mixer->fill_color = NULL;
mixer->calculate_frame_size = NULL;
if (!gst_video_format_parse_caps (caps, &fmt, NULL, NULL)) if (!gst_video_format_parse_caps (caps, &mixer->fmt, NULL, NULL))
goto done; goto done;
switch (fmt) { switch (mixer->fmt) {
case GST_VIDEO_FORMAT_AYUV: case GST_VIDEO_FORMAT_AYUV:
mixer->blend = gst_videomixer_blend_ayuv_ayuv; mixer->blend = gst_videomixer_blend_ayuv_ayuv;
mixer->fill_checker = gst_videomixer_fill_ayuv_checker; mixer->fill_checker = gst_videomixer_fill_ayuv_checker;
mixer->fill_color = gst_videomixer_fill_ayuv_color; mixer->fill_color = gst_videomixer_fill_ayuv_color;
mixer->calculate_frame_size = gst_videomixer_calculate_frame_size_ayuv;
ret = TRUE; ret = TRUE;
break; break;
case GST_VIDEO_FORMAT_I420: case GST_VIDEO_FORMAT_I420:
mixer->blend = gst_videomixer_blend_i420_i420; mixer->blend = gst_videomixer_blend_i420_i420;
mixer->fill_checker = gst_videomixer_fill_i420_checker; mixer->fill_checker = gst_videomixer_fill_i420_checker;
mixer->fill_color = gst_videomixer_fill_i420_color; mixer->fill_color = gst_videomixer_fill_i420_color;
mixer->calculate_frame_size = gst_videomixer_calculate_frame_size_i420;
ret = TRUE; ret = TRUE;
break; break;
case GST_VIDEO_FORMAT_BGRA: case GST_VIDEO_FORMAT_BGRA:
mixer->blend = gst_videomixer_blend_bgra_bgra; mixer->blend = gst_videomixer_blend_bgra_bgra;
mixer->fill_checker = gst_videomixer_fill_bgra_checker; mixer->fill_checker = gst_videomixer_fill_bgra_checker;
mixer->fill_color = gst_videomixer_fill_bgra_color; mixer->fill_color = gst_videomixer_fill_bgra_color;
mixer->calculate_frame_size = gst_videomixer_calculate_frame_size_bgra;
ret = TRUE; ret = TRUE;
break; break;
case GST_VIDEO_FORMAT_ARGB: case GST_VIDEO_FORMAT_ARGB:
mixer->blend = gst_videomixer_blend_argb_argb; mixer->blend = gst_videomixer_blend_argb_argb;
mixer->fill_checker = gst_videomixer_fill_argb_checker; mixer->fill_checker = gst_videomixer_fill_argb_checker;
mixer->fill_color = gst_videomixer_fill_argb_color; mixer->fill_color = gst_videomixer_fill_argb_color;
mixer->calculate_frame_size = gst_videomixer_calculate_frame_size_bgra;
ret = TRUE; ret = TRUE;
break; break;
default: default:
@ -1304,14 +1295,16 @@ gst_videomixer_collected (GstCollectPads * pads, GstVideoMixer * mix)
/* Calculating out buffer size from input size */ /* Calculating out buffer size from input size */
gst_pad_set_caps (mix->srcpad, newcaps); gst_pad_set_caps (mix->srcpad, newcaps);
outsize = mix->calculate_frame_size (mix->out_width, mix->out_height); outsize =
gst_video_format_get_size (mix->fmt, mix->out_width, mix->out_height);
ret = ret =
gst_pad_alloc_buffer_and_set_caps (mix->srcpad, GST_BUFFER_OFFSET_NONE, gst_pad_alloc_buffer_and_set_caps (mix->srcpad, GST_BUFFER_OFFSET_NONE,
outsize, newcaps, &outbuf); outsize, newcaps, &outbuf);
gst_caps_unref (newcaps); gst_caps_unref (newcaps);
} else { /* Otherwise we just allocate a buffer from current caps */ } else { /* Otherwise we just allocate a buffer from current caps */
/* Calculating out buffer size from input size */ /* Calculating out buffer size from input size */
outsize = mix->calculate_frame_size (mix->out_width, mix->out_height); outsize =
gst_video_format_get_size (mix->fmt, mix->out_width, mix->out_height);
ret = ret =
gst_pad_alloc_buffer_and_set_caps (mix->srcpad, GST_BUFFER_OFFSET_NONE, gst_pad_alloc_buffer_and_set_caps (mix->srcpad, GST_BUFFER_OFFSET_NONE,
outsize, GST_PAD_CAPS (mix->srcpad), &outbuf); outsize, GST_PAD_CAPS (mix->srcpad), &outbuf);

4
gst/videomixer/videomixer.h
View file

@ -21,6 +21,7 @@
#define __GST_VIDEO_MIXER_H__ #define __GST_VIDEO_MIXER_H__
#include <gst/gst.h> #include <gst/gst.h>
#include <gst/video/video.h>
#include "videomixerpad.h" #include "videomixerpad.h"
GST_DEBUG_CATEGORY_EXTERN (gst_videomixer_debug); GST_DEBUG_CATEGORY_EXTERN (gst_videomixer_debug);
@ -84,6 +85,8 @@ struct _GstVideoMixer
/* the master pad */ /* the master pad */
GstVideoMixerPad *master; GstVideoMixerPad *master;
GstVideoFormat fmt;
gint in_width, in_height; gint in_width, in_height;
gint out_width, out_height; gint out_width, out_height;
gboolean setcaps; gboolean setcaps;
@ -107,7 +110,6 @@ struct _GstVideoMixer
void (*fill_checker) (guint8 * dest, gint width, gint height); void (*fill_checker) (guint8 * dest, gint width, gint height);
void (*fill_color) (guint8 * dest, gint width, gint height, gint colY, gint colU, gint colV); void (*fill_color) (guint8 * dest, gint width, gint height, gint colY, gint colU, gint colV);
size_t (*calculate_frame_size) (gint width, gint height);
}; };
struct _GstVideoMixerClass struct _GstVideoMixerClass