[FFmpeg-cvslog] avfilter/vf_boxblur: Support 10bit planar formats
Michael Niedermayer
git at videolan.org
Sun Dec 21 16:32:46 CET 2014
ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Dec 21 14:59:05 2014 +0100| [c73b28892748f87bcac3855837e63dddd573e4d1] | committer: Michael Niedermayer
avfilter/vf_boxblur: Support 10bit planar formats
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c73b28892748f87bcac3855837e63dddd573e4d1
---
libavfilter/vf_boxblur.c | 87 ++++++++++++++++++++++++++++++++++++----------
1 file changed, 68 insertions(+), 19 deletions(-)
diff --git a/libavfilter/vf_boxblur.c b/libavfilter/vf_boxblur.c
index 44b807bf..d292780 100644
--- a/libavfilter/vf_boxblur.c
+++ b/libavfilter/vf_boxblur.c
@@ -124,6 +124,9 @@ static int query_formats(AVFilterContext *ctx)
AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
AV_PIX_FMT_YUVJ440P,
AV_PIX_FMT_GBRP,
+ AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV420P10,
+ AV_PIX_FMT_YUVA420P10,
+ AV_PIX_FMT_GBRP10,
AV_PIX_FMT_NONE
};
@@ -142,8 +145,8 @@ static int config_input(AVFilterLink *inlink)
char *expr;
int ret;
- if (!(s->temp[0] = av_malloc(FFMAX(w, h))) ||
- !(s->temp[1] = av_malloc(FFMAX(w, h))))
+ if (!(s->temp[0] = av_malloc(2*FFMAX(w, h))) ||
+ !(s->temp[1] = av_malloc(2*FFMAX(w, h))))
return AVERROR(ENOMEM);
s->hsub = desc->log2_chroma_w;
@@ -203,7 +206,7 @@ static int config_input(AVFilterLink *inlink)
return 0;
}
-static inline void blur(uint8_t *dst, int dst_step, const uint8_t *src, int src_step,
+static inline void blur8(uint8_t *dst, int dst_step, const uint8_t *src, int src_step,
int len, int radius)
{
/* Naive boxblur would sum source pixels from x-radius .. x+radius
@@ -245,34 +248,77 @@ static inline void blur(uint8_t *dst, int dst_step, const uint8_t *src, int src_
}
}
+static inline void blur16(uint16_t *dst, int dst_step, const uint16_t *src, int src_step,
+ int len, int radius)
+{
+ const int length = radius*2 + 1;
+ const int inv = ((1<<16) + length/2)/length;
+ int x, sum = src[radius*src_step];
+
+ for (x = 0; x < radius; x++)
+ sum += src[x*src_step]<<1;
+
+ sum = sum*inv + (1<<15);
+
+ for (x = 0; x <= radius; x++) {
+ sum += (src[(radius+x)*src_step] - src[(radius-x)*src_step])*inv;
+ dst[x*dst_step] = sum>>16;
+ }
+
+ for (; x < len-radius; x++) {
+ sum += (src[(radius+x)*src_step] - src[(x-radius-1)*src_step])*inv;
+ dst[x*dst_step] = sum >>16;
+ }
+
+ for (; x < len; x++) {
+ sum += (src[(2*len-radius-x-1)*src_step] - src[(x-radius-1)*src_step])*inv;
+ dst[x*dst_step] = sum>>16;
+ }
+}
+
+static inline void blur(uint8_t *dst, int dst_step, const uint8_t *src, int src_step,
+ int len, int radius, int pixsize)
+{
+ if (pixsize == 1) blur8 (dst, dst_step , src, src_step , len, radius);
+ else blur16((uint16_t*)dst, dst_step>>1, (const uint16_t*)src, src_step>>1, len, radius);
+}
+
static inline void blur_power(uint8_t *dst, int dst_step, const uint8_t *src, int src_step,
- int len, int radius, int power, uint8_t *temp[2])
+ int len, int radius, int power, uint8_t *temp[2], int pixsize)
{
uint8_t *a = temp[0], *b = temp[1];
if (radius && power) {
- blur(a, 1, src, src_step, len, radius);
+ blur(a, pixsize, src, src_step, len, radius, pixsize);
for (; power > 2; power--) {
uint8_t *c;
- blur(b, 1, a, 1, len, radius);
+ blur(b, pixsize, a, pixsize, len, radius, pixsize);
c = a; a = b; b = c;
}
if (power > 1) {
- blur(dst, dst_step, a, 1, len, radius);
+ blur(dst, dst_step, a, pixsize, len, radius, pixsize);
} else {
int i;
- for (i = 0; i < len; i++)
- dst[i*dst_step] = a[i];
+ if (pixsize == 1) {
+ for (i = 0; i < len; i++)
+ dst[i*dst_step] = a[i];
+ } else
+ for (i = 0; i < len; i++)
+ *(uint16_t*)(dst + i*dst_step) = ((uint16_t*)a)[i];
}
} else {
int i;
- for (i = 0; i < len; i++)
- dst[i*dst_step] = src[i*src_step];
+ if (pixsize == 1) {
+ for (i = 0; i < len; i++)
+ dst[i*dst_step] = src[i*src_step];
+ } else
+ for (i = 0; i < len; i++)
+ *(uint16_t*)(dst + i*dst_step) = *(uint16_t*)(src + i*src_step);
}
}
static void hblur(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize,
- int w, int h, int radius, int power, uint8_t *temp[2])
+ int w, int h, int radius, int power, uint8_t *temp[2], int pixsize)
{
int y;
@@ -280,12 +326,12 @@ static void hblur(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_li
return;
for (y = 0; y < h; y++)
- blur_power(dst + y*dst_linesize, 1, src + y*src_linesize, 1,
- w, radius, power, temp);
+ blur_power(dst + y*dst_linesize, pixsize, src + y*src_linesize, pixsize,
+ w, radius, power, temp, pixsize);
}
static void vblur(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize,
- int w, int h, int radius, int power, uint8_t *temp[2])
+ int w, int h, int radius, int power, uint8_t *temp[2], int pixsize)
{
int x;
@@ -293,8 +339,8 @@ static void vblur(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_li
return;
for (x = 0; x < w; x++)
- blur_power(dst + x, dst_linesize, src + x, src_linesize,
- h, radius, power, temp);
+ blur_power(dst + x*pixsize, dst_linesize, src + x*pixsize, src_linesize,
+ h, radius, power, temp, pixsize);
}
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
@@ -307,6 +353,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
int cw = FF_CEIL_RSHIFT(inlink->w, s->hsub), ch = FF_CEIL_RSHIFT(in->height, s->vsub);
int w[4] = { inlink->w, cw, cw, inlink->w };
int h[4] = { in->height, ch, ch, in->height };
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
+ const int depth = desc->comp[0].depth_minus1 + 1;
+ const int pixsize = (depth+7)/8;
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out) {
@@ -319,13 +368,13 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
hblur(out->data[plane], out->linesize[plane],
in ->data[plane], in ->linesize[plane],
w[plane], h[plane], s->radius[plane], s->power[plane],
- s->temp);
+ s->temp, pixsize);
for (plane = 0; plane < 4 && in->data[plane] && in->linesize[plane]; plane++)
vblur(out->data[plane], out->linesize[plane],
out->data[plane], out->linesize[plane],
w[plane], h[plane], s->radius[plane], s->power[plane],
- s->temp);
+ s->temp, pixsize);
av_frame_free(&in);
More information about the ffmpeg-cvslog
mailing list