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gst/ffmpegcolorspace/: More stride fixes.

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Original commit message from CVS:
* gst/ffmpegcolorspace/gstffmpegcodecmap.c:
(gst_ffmpegcsp_avpicture_fill):
* gst/ffmpegcolorspace/imgconvert.c: (avpicture_get_size),
(yuv422p_to_yuv422), (yuv420p_to_yuv422), (shrink12),
(img_convert), (deinterlace_line), (deinterlace_line_inplace):
More stride fixes.
This commit is contained in:
Wim Taymans 2004-11-05 14:58:50 +00:00
parent 5c31c304de
commit e40a51fa08
3 changed files with 56 additions and 8 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
2004-11-05 Wim Taymans <wim@fluendo.com>
* gst/ffmpegcolorspace/gstffmpegcodecmap.c:
(gst_ffmpegcsp_avpicture_fill):
* gst/ffmpegcolorspace/imgconvert.c: (avpicture_get_size),
(yuv422p_to_yuv422), (yuv420p_to_yuv422), (shrink12),
(img_convert), (deinterlace_line), (deinterlace_line_inplace):
More stride fixes.
2004-11-05 Wim Taymans <wim@fluendo.com>
* gst/alpha/gstalpha.c: (gst_alpha_set_property), (gst_alpha_add),

19
gst/ffmpegcolorspace/gstffmpegcodecmap.c
View file

@ -671,7 +671,12 @@ static PixFmtInfo pix_fmt_info[PIX_FMT_NB] = {
},
};
#define ROUND_UP_4(x) (((x) + 3) & ~3)
#define GEN_MASK(x) ((1<<(x))-1)
#define ROUND_UP_X(v,x) (((v) + GEN_MASK(x)) & ~GEN_MASK(x))
#define ROUND_UP_2(x) ROUND_UP_X (x, 1)
#define ROUND_UP_4(x) ROUND_UP_X (x, 2)
#define ROUND_UP_8(x) ROUND_UP_X (x, 3)
#define DIV_ROUND_UP_X(v,x) (((v) + GEN_MASK(x)) >> (x))
int
gst_ffmpegcsp_avpicture_fill (AVPicture * picture,
@ -682,8 +687,7 @@ gst_ffmpegcsp_avpicture_fill (AVPicture * picture,
PixFmtInfo *pinfo;
pinfo = &pix_fmt_info[pix_fmt];
stride = ROUND_UP_4 (width);
size = stride * height;
switch (pix_fmt) {
case PIX_FMT_YUV420P:
case PIX_FMT_YUV422P:
@ -694,10 +698,11 @@ gst_ffmpegcsp_avpicture_fill (AVPicture * picture,
case PIX_FMT_YUVJ422P:
case PIX_FMT_YUVJ444P:
stride = ROUND_UP_4 (width);
size = stride * height;
w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift;
h2 = ROUND_UP_X (height, pinfo->y_chroma_shift);
size = stride * h2;
w2 = DIV_ROUND_UP_X (width, pinfo->x_chroma_shift);
stride2 = ROUND_UP_4 (w2);
h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift;
h2 = DIV_ROUND_UP_X (height, pinfo->y_chroma_shift);
size2 = stride2 * h2;
picture->data[0] = ptr;
picture->data[1] = picture->data[0] + size;
@ -736,6 +741,8 @@ gst_ffmpegcsp_avpicture_fill (AVPicture * picture,
return size;
case PIX_FMT_UYVY411:
/* FIXME, probably not the right stride */
stride = ROUND_UP_4 (width);
size = stride * height;
picture->data[0] = ptr;
picture->data[1] = NULL;
picture->data[2] = NULL;

36
gst/ffmpegcolorspace/imgconvert.c
View file

@ -760,6 +760,10 @@ yuv422p_to_yuv422 (AVPicture * dst, const AVPicture * src,
cb++;
cr++;
}
if (w) {
p[0] = lum[0];
p[1] = cb[0];
}
p1 += dst->linesize[0];
lum1 += src->linesize[0];
cb1 += src->linesize[1];
@ -866,12 +870,37 @@ yuv420p_to_yuv422 (AVPicture * dst, const AVPicture * src,
*line2++ = *lum2++;
*line1++ = *line2++ = *cr1++;
}
/* odd width */
if (w) {
*line1++ = *lum1++;
*line2++ = *lum2++;
*line1++ = *line2++ = *cb1++;
}
linesrc += dst->linesize[0] * 2;
lumsrc += src->linesize[0] * 2;
cb2 += src->linesize[1];
cr2 += src->linesize[2];
}
/* odd height */
if (h) {
line1 = linesrc;
lum1 = lumsrc;
cb1 = cb2;
cr1 = cr2;
for (w = width / 2; w--;) {
*line1++ = *lum1++;
*line1++ = *cb1++;
*line1++ = *lum1++;
*line1++ = *cr1++;
}
/* odd width */
if (w) {
*line1++ = *lum1++;
*line1++ = *cb1++;
}
}
}
#define SCALEBITS 10
@ -1938,11 +1967,14 @@ img_convert (AVPicture * dst, int dst_pix_fmt,
img_copy_plane (dst->data[0], dst->linesize[0],
src->data[0], src->linesize[0], dst_width, dst_height);
#define GEN_MASK(x) ((1<<(x))-1)
#define DIV_ROUND_UP_X(v,x) (((v) + GEN_MASK(x)) >> (x))
for (i = 1; i <= 2; i++)
resize_func (dst->data[i], dst->linesize[i],
src->data[i], src->linesize[i],
dst_width >> dst_pix->x_chroma_shift,
dst_height >> dst_pix->y_chroma_shift);
DIV_ROUND_UP_X (dst_width, dst_pix->x_chroma_shift),
DIV_ROUND_UP_X (dst_height, dst_pix->y_chroma_shift));
/* if yuv color space conversion is needed, we do it here on
the destination image */
if (dst_pix->color_type != src_pix->color_type) {