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authorDavid Conrad <lessen42@gmail.com>2008-10-04 10:26:17 +0000
committerDavid Conrad <lessen42@gmail.com>2008-10-04 10:26:17 +0000
commit9971331dfb6f4ef499b17f156bc0befc98b504b1 (patch)
treec71ba4d03347044dd49b7055dcb2aa7d41c19568 /libavcodec/vp3.c
parent0d696d34ef62725f3b445b370ff2ac374029ea92 (diff)
downloadffmpeg-9971331dfb6f4ef499b17f156bc0befc98b504b1.tar.gz
Move VP3 loop filter to DSPContext
Originally committed as revision 15551 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/vp3.c')
-rw-r--r--libavcodec/vp3.c47
1 files changed, 4 insertions, 43 deletions
diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c
index 558465fc8f..fec0fd77c8 100644
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -1283,12 +1283,6 @@ static void reverse_dc_prediction(Vp3DecodeContext *s,
}
}
-
-static void horizontal_filter(unsigned char *first_pixel, int stride,
- int *bounding_values);
-static void vertical_filter(unsigned char *first_pixel, int stride,
- int *bounding_values);
-
/*
* Perform the final rendering for a particular slice of data.
* The slice number ranges from 0..(macroblock_height - 1).
@@ -1495,39 +1489,6 @@ static void render_slice(Vp3DecodeContext *s, int slice)
emms_c();
}
-static void horizontal_filter(unsigned char *first_pixel, int stride,
- int *bounding_values)
-{
- unsigned char *end;
- int filter_value;
-
- for (end= first_pixel + 8*stride; first_pixel != end; first_pixel += stride) {
- filter_value =
- (first_pixel[-2] - first_pixel[ 1])
- +3*(first_pixel[ 0] - first_pixel[-1]);
- filter_value = bounding_values[(filter_value + 4) >> 3];
- first_pixel[-1] = av_clip_uint8(first_pixel[-1] + filter_value);
- first_pixel[ 0] = av_clip_uint8(first_pixel[ 0] - filter_value);
- }
-}
-
-static void vertical_filter(unsigned char *first_pixel, int stride,
- int *bounding_values)
-{
- unsigned char *end;
- int filter_value;
- const int nstride= -stride;
-
- for (end= first_pixel + 8; first_pixel < end; first_pixel++) {
- filter_value =
- (first_pixel[2 * nstride] - first_pixel[ stride])
- +3*(first_pixel[0 ] - first_pixel[nstride]);
- filter_value = bounding_values[(filter_value + 4) >> 3];
- first_pixel[nstride] = av_clip_uint8(first_pixel[nstride] + filter_value);
- first_pixel[0] = av_clip_uint8(first_pixel[0] - filter_value);
- }
-}
-
static void apply_loop_filter(Vp3DecodeContext *s)
{
int plane;
@@ -1569,7 +1530,7 @@ static void apply_loop_filter(Vp3DecodeContext *s)
/* do not perform left edge filter for left columns frags */
if ((x > 0) &&
(s->all_fragments[fragment].coding_method != MODE_COPY)) {
- horizontal_filter(
+ s->dsp.vp3_h_loop_filter(
plane_data + s->all_fragments[fragment].first_pixel,
stride, bounding_values);
}
@@ -1577,7 +1538,7 @@ static void apply_loop_filter(Vp3DecodeContext *s)
/* do not perform top edge filter for top row fragments */
if ((y > 0) &&
(s->all_fragments[fragment].coding_method != MODE_COPY)) {
- vertical_filter(
+ s->dsp.vp3_v_loop_filter(
plane_data + s->all_fragments[fragment].first_pixel,
stride, bounding_values);
}
@@ -1588,7 +1549,7 @@ static void apply_loop_filter(Vp3DecodeContext *s)
if ((x < width - 1) &&
(s->all_fragments[fragment].coding_method != MODE_COPY) &&
(s->all_fragments[fragment + 1].coding_method == MODE_COPY)) {
- horizontal_filter(
+ s->dsp.vp3_h_loop_filter(
plane_data + s->all_fragments[fragment + 1].first_pixel,
stride, bounding_values);
}
@@ -1599,7 +1560,7 @@ static void apply_loop_filter(Vp3DecodeContext *s)
if ((y < height - 1) &&
(s->all_fragments[fragment].coding_method != MODE_COPY) &&
(s->all_fragments[fragment + width].coding_method == MODE_COPY)) {
- vertical_filter(
+ s->dsp.vp3_v_loop_filter(
plane_data + s->all_fragments[fragment + width].first_pixel,
stride, bounding_values);
}