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authorVitor Sessak <vitor1001@gmail.com>2008-10-23 19:13:11 +0000
committerVitor Sessak <vitor1001@gmail.com>2008-10-23 19:13:11 +0000
commit522ce9578699c78782e6e6d8fc25808c48577b39 (patch)
tree89183b7d5d31ae1ef2371d0660e11f3109af0382 /libswscale
parentb774fdd7a4cf549388013528ce08d4bd490c9d09 (diff)
downloadffmpeg-522ce9578699c78782e6e6d8fc25808c48577b39.tar.gz
Fix broken palette8to*.
Originally committed as revision 27817 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
Diffstat (limited to 'libswscale')
-rw-r--r--libswscale/rgb2rgb.c71
-rw-r--r--libswscale/rgb2rgb.h6
-rw-r--r--libswscale/swscale.c41
3 files changed, 43 insertions, 75 deletions
diff --git a/libswscale/rgb2rgb.c b/libswscale/rgb2rgb.c
index 13388ac85a..b55141264a 100644
--- a/libswscale/rgb2rgb.c
+++ b/libswscale/rgb2rgb.c
@@ -213,84 +213,23 @@ void sws_rgb2rgb_init(int flags){
}
/**
- * Palette is assumed to contain BGR32.
+ * Convert the palette to the same packet 32-bit format as the palette
*/
-void palette8torgb32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
+void palette8topacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
{
long i;
-/*
- for (i=0; i<num_pixels; i++)
- ((unsigned *)dst)[i] = ((unsigned *)palette)[src[i]];
-*/
-
- for (i=0; i<num_pixels; i++)
- {
- #ifdef WORDS_BIGENDIAN
- dst[3]= palette[src[i]*4+2];
- dst[2]= palette[src[i]*4+1];
- dst[1]= palette[src[i]*4+0];
- #else
- //FIXME slow?
- dst[0]= palette[src[i]*4+2];
- dst[1]= palette[src[i]*4+1];
- dst[2]= palette[src[i]*4+0];
- //dst[3]= 0; /* do we need this cleansing? */
- #endif
- dst+= 4;
- }
-}
-
-void palette8tobgr32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
-{
- long i;
for (i=0; i<num_pixels; i++)
- {
- #ifdef WORDS_BIGENDIAN
- dst[3]= palette[src[i]*4+0];
- dst[2]= palette[src[i]*4+1];
- dst[1]= palette[src[i]*4+2];
- #else
- //FIXME slow?
- dst[0]= palette[src[i]*4+0];
- dst[1]= palette[src[i]*4+1];
- dst[2]= palette[src[i]*4+2];
- //dst[3]= 0; /* do we need this cleansing? */
- #endif
-
- dst+= 4;
- }
+ ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
}
/**
- * Palette is assumed to contain BGR32.
+ * Palette format: ABCD -> dst format: ABC
*/
-void palette8torgb24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
+void palette8topacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
{
long i;
-/*
- Writes 1 byte too much and might cause alignment issues on some architectures?
- for (i=0; i<num_pixels; i++)
- ((unsigned *)(&dst[i*3])) = ((unsigned *)palette)[src[i]];
-*/
- for (i=0; i<num_pixels; i++)
- {
- //FIXME slow?
- dst[0]= palette[src[i]*4+2];
- dst[1]= palette[src[i]*4+1];
- dst[2]= palette[src[i]*4+0];
- dst+= 3;
- }
-}
-void palette8tobgr24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
-{
- long i;
-/*
- Writes 1 byte too much and might cause alignment issues on some architectures?
- for (i=0; i<num_pixels; i++)
- ((unsigned *)(&dst[i*3])) = ((unsigned *)palette)[src[i]];
-*/
for (i=0; i<num_pixels; i++)
{
//FIXME slow?
diff --git a/libswscale/rgb2rgb.h b/libswscale/rgb2rgb.h
index 11c0d8e65f..5cc6a2dc03 100644
--- a/libswscale/rgb2rgb.h
+++ b/libswscale/rgb2rgb.h
@@ -61,10 +61,8 @@ extern void rgb15tobgr15(const uint8_t *src, uint8_t *dst, long src_size);
extern void bgr8torgb8 (const uint8_t *src, uint8_t *dst, long src_size);
-extern void palette8torgb32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
-extern void palette8tobgr32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
-extern void palette8torgb24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
-extern void palette8tobgr24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
+extern void palette8topacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
+extern void palette8topacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
extern void palette8torgb16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
extern void palette8tobgr16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
extern void palette8torgb15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 8b899c4493..1ad488c57f 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -1729,10 +1729,12 @@ static int pal2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int sr
sws_format_name(srcFormat), sws_format_name(dstFormat));
switch(dstFormat){
- case PIX_FMT_RGB32: conv = palette8torgb32; break;
- case PIX_FMT_BGR32: conv = palette8tobgr32; break;
- case PIX_FMT_RGB24: conv = palette8torgb24; break;
- case PIX_FMT_BGR24: conv = palette8tobgr24; break;
+ case PIX_FMT_RGB32 : conv = palette8topacked32; break;
+ case PIX_FMT_BGR32 : conv = palette8topacked32; break;
+ case PIX_FMT_BGR32_1: conv = palette8topacked32; break;
+ case PIX_FMT_RGB32_1: conv = palette8topacked32; break;
+ case PIX_FMT_RGB24 : conv = palette8topacked24; break;
+ case PIX_FMT_BGR24 : conv = palette8topacked24; break;
default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
sws_format_name(srcFormat), sws_format_name(dstFormat)); break;
}
@@ -2343,8 +2345,10 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d
if ((usePal(srcFormat) && (
dstFormat == PIX_FMT_RGB32 ||
+ dstFormat == PIX_FMT_RGB32_1 ||
dstFormat == PIX_FMT_RGB24 ||
dstFormat == PIX_FMT_BGR32 ||
+ dstFormat == PIX_FMT_BGR32_1 ||
dstFormat == PIX_FMT_BGR24)))
c->swScale= pal2rgbWrapper;
@@ -2739,7 +2743,34 @@ int sws_scale(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
u= av_clip_uint8((RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
v= av_clip_uint8((RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
c->pal_yuv[i]= y + (u<<8) + (v<<16);
- c->pal_rgb[i]= b + (g<<8) + (r<<16);
+
+
+ switch(c->dstFormat) {
+ case PIX_FMT_BGR32:
+#ifndef WORDS_BIGENDIAN
+ case PIX_FMT_RGB24:
+#endif
+ c->pal_rgb[i]= r + (g<<8) + (b<<16);
+ break;
+ case PIX_FMT_BGR32_1:
+#ifdef WORDS_BIGENDIAN
+ case PIX_FMT_BGR24:
+#endif
+ c->pal_rgb[i]= (r + (g<<8) + (b<<16)) << 8;
+ break;
+ case PIX_FMT_RGB32_1:
+#ifdef WORDS_BIGENDIAN
+ case PIX_FMT_RGB24:
+#endif
+ c->pal_rgb[i]= (b + (g<<8) + (r<<16)) << 8;
+ break;
+ case PIX_FMT_RGB32:
+#ifndef WORDS_BIGENDIAN
+ case PIX_FMT_BGR24:
+#endif
+ default:
+ c->pal_rgb[i]= b + (g<<8) + (r<<16);
+ }
}
}