mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-18 22:36:33 +00:00
Code Issues 1 Projects Releases Wiki Activity

videoconvert: use one temp array for lines

Browse source 
Use only one temporary array for pixels.
This commit is contained in:
Wim Taymans 2013-03-29 11:48:05 +01:00
parent 3b8d053232
commit 43a9bfae78
2 changed files with 35 additions and 37 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

69
gst/videoconvert/videoconvert.c
View file

@ -71,8 +71,7 @@ videoconvert_convert_new (GstVideoInfo * in_info, GstVideoInfo * out_info)
convert->lines = lines;
convert->tmpline8 = g_malloc (lines * sizeof (guint8) * (width + 8) * 4);
convert->tmpline16 = g_malloc (lines * sizeof (guint16) * (width + 8) * 4);
convert->tmpline = g_malloc (lines * sizeof (guint16) * (width + 8) * 4);
convert->errline = g_malloc0 (sizeof (guint16) * width * 4);
return convert;
@ -88,8 +87,7 @@ no_convert:
void
videoconvert_convert_free (VideoConvert * convert)
{
g_free (convert->tmpline8);
g_free (convert->tmpline16);
g_free (convert->tmpline);
g_free (convert->errline);
g_free (convert);
@ -332,7 +330,7 @@ static void
videoconvert_dither_verterr (VideoConvert * convert, guint16 * pixels, int j)
{
int i;
guint16 *tmpline = convert->tmpline16;
guint16 *tmpline = convert->tmpline;
guint16 *errline = convert->errline;
unsigned int mask = 0xff;
@ -349,7 +347,7 @@ static void
videoconvert_dither_halftone (VideoConvert * convert, guint16 * pixels, int j)
{
int i;
guint16 *tmpline = convert->tmpline16;
guint16 *tmpline = convert->tmpline;
static guint16 halftone[8][8] = {
{0, 128, 32, 160, 8, 136, 40, 168},
{192, 64, 224, 96, 200, 72, 232, 104},
@ -408,8 +406,8 @@ videoconvert_convert_generic (VideoConvert * convert, GstVideoFrame * dest,
lines = convert->lines;
for (j = 0; j < height; j += lines) {
tmpline8 = convert->tmpline8;
tmpline16 = convert->tmpline16;
tmpline8 = convert->tmpline;
tmpline16 = convert->tmpline;
for (k = 0; k < lines; k++) {
if (in_bits == 16) {
@ -418,7 +416,7 @@ videoconvert_convert_generic (VideoConvert * convert, GstVideoFrame * dest,
UNPACK_FRAME (src, tmpline8, j + k, width);
if (out_bits == 16)
for (i = 0; i < width * 4; i++)
for (i = (width - 1) * 4; i >= 0; i--)
tmpline16[i] = TO_16 (tmpline8[i]);
}
@ -427,15 +425,16 @@ videoconvert_convert_generic (VideoConvert * convert, GstVideoFrame * dest,
convert->matrix16 (convert, tmpline16);
if (convert->dither16)
convert->dither16 (convert, tmpline16, j);
tmpline8 += width * 8;
tmpline16 += width * 4;
} else {
if (convert->matrix)
convert->matrix (convert, tmpline8);
tmpline8 += width * 4;
}
tmpline8 += width * 4;
tmpline16 += width * 8;
}
tmpline8 = convert->tmpline8;
tmpline16 = convert->tmpline16;
tmpline8 = convert->tmpline;
tmpline16 = convert->tmpline;
if (out_bits == 16) {
PACK_FRAME (dest, tmpline16, j, width);
@ -514,8 +513,8 @@ convert_I420_YUY2 (VideoConvert * convert, GstVideoFrame * dest,
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmpline8, height - 1, width);
PACK_FRAME (dest, convert->tmpline8, height - 1, width);
UNPACK_FRAME (src, convert->tmpline, height - 1, width);
PACK_FRAME (dest, convert->tmpline, height - 1, width);
}
}
@ -542,8 +541,8 @@ convert_I420_UYVY (VideoConvert * convert, GstVideoFrame * dest,
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmpline8, height - 1, width);
PACK_FRAME (dest, convert->tmpline8, height - 1, width);
UNPACK_FRAME (src, convert->tmpline, height - 1, width);
PACK_FRAME (dest, convert->tmpline, height - 1, width);
}
}
@ -569,8 +568,8 @@ convert_I420_AYUV (VideoConvert * convert, GstVideoFrame * dest,
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmpline8, height - 1, width);
PACK_FRAME (dest, convert->tmpline8, height - 1, width);
UNPACK_FRAME (src, convert->tmpline, height - 1, width);
PACK_FRAME (dest, convert->tmpline, height - 1, width);
}
}
@ -619,8 +618,8 @@ convert_I420_Y444 (VideoConvert * convert, GstVideoFrame * dest,
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmpline8, height - 1, width);
PACK_FRAME (dest, convert->tmpline8, height - 1, width);
UNPACK_FRAME (src, convert->tmpline, height - 1, width);
PACK_FRAME (dest, convert->tmpline, height - 1, width);
}
}
@ -650,8 +649,8 @@ convert_YUY2_I420 (VideoConvert * convert, GstVideoFrame * dest,
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmpline8, height - 1, width);
PACK_FRAME (dest, convert->tmpline8, height - 1, width);
UNPACK_FRAME (src, convert->tmpline, height - 1, width);
PACK_FRAME (dest, convert->tmpline, height - 1, width);
}
}
@ -669,8 +668,8 @@ convert_YUY2_AYUV (VideoConvert * convert, GstVideoFrame * dest,
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmpline8, height - 1, width);
PACK_FRAME (dest, convert->tmpline8, height - 1, width);
UNPACK_FRAME (src, convert->tmpline, height - 1, width);
PACK_FRAME (dest, convert->tmpline, height - 1, width);
}
}
@ -725,8 +724,8 @@ convert_UYVY_I420 (VideoConvert * convert, GstVideoFrame * dest,
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmpline8, height - 1, width);
PACK_FRAME (dest, convert->tmpline8, height - 1, width);
UNPACK_FRAME (src, convert->tmpline, height - 1, width);
PACK_FRAME (dest, convert->tmpline, height - 1, width);
}
}
@ -744,8 +743,8 @@ convert_UYVY_AYUV (VideoConvert * convert, GstVideoFrame * dest,
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmpline8, height - 1, width);
PACK_FRAME (dest, convert->tmpline8, height - 1, width);
UNPACK_FRAME (src, convert->tmpline, height - 1, width);
PACK_FRAME (dest, convert->tmpline, height - 1, width);
}
}
@ -845,8 +844,8 @@ convert_AYUV_Y42B (VideoConvert * convert, GstVideoFrame * dest,
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmpline8, height - 1, width);
PACK_FRAME (dest, convert->tmpline8, height - 1, width);
UNPACK_FRAME (src, convert->tmpline, height - 1, width);
PACK_FRAME (dest, convert->tmpline, height - 1, width);
}
}
@ -887,8 +886,8 @@ convert_Y42B_I420 (VideoConvert * convert, GstVideoFrame * dest,
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmpline8, height - 1, width);
PACK_FRAME (dest, convert->tmpline8, height - 1, width);
UNPACK_FRAME (src, convert->tmpline, height - 1, width);
PACK_FRAME (dest, convert->tmpline, height - 1, width);
}
}
@ -977,8 +976,8 @@ convert_Y444_I420 (VideoConvert * convert, GstVideoFrame * dest,
/* now handle last line */
if (height & 1) {
UNPACK_FRAME (src, convert->tmpline8, height - 1, width);
PACK_FRAME (dest, convert->tmpline8, height - 1, width);
UNPACK_FRAME (src, convert->tmpline, height - 1, width);
PACK_FRAME (dest, convert->tmpline, height - 1, width);
}
}

3
gst/videoconvert/videoconvert.h
View file

@ -48,8 +48,7 @@ struct _VideoConvert {
guint lines;
guint8 *tmpline8;
guint16 *tmpline16;
gpointer tmpline;
guint16 *errline;
void (*convert) (VideoConvert *convert, GstVideoFrame *dest, const GstVideoFrame *src);