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Code Issues Releases Activity

avfilter/vf_uspp: fix used chroma subsampling factors

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-12-13 16:54:13 +01:00
parent 354fda7698
commit 3dd5f7aaa0
1 changed files with 21 additions and 11 deletions
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32
libavfilter/vf_uspp.c
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@ -41,6 +41,7 @@
typedef struct {
const AVClass *av_class;
int log2_count;
int hsub, vsub;
int qp;
int qscale_type;
int temp_stride[3];
@ -201,10 +202,10 @@ static void filter(USPPContext *p, uint8_t *dst[3], uint8_t *src[3],
for (i = 0; i < 3; i++) {
int is_chroma = !!i;
int w = width >> is_chroma;
int h = height >> is_chroma;
int w = width >> (is_chroma ? p->hsub : 0);
int h = height >> (is_chroma ? p->vsub : 0);
int stride = p->temp_stride[i];
int block = BLOCK >> is_chroma;
int block = BLOCK >> (is_chroma ? p->hsub : 0);
if (!src[i] || !dst[i])
continue;
@ -245,6 +246,9 @@ static void filter(USPPContext *p, uint8_t *dst[3], uint8_t *src[3],
for (i = 0; i < count; i++) {
const int x1 = offset[i+count-1][0];
const int y1 = offset[i+count-1][1];
const int x1c = x1 >> p->hsub;
const int y1c = y1 >> p->vsub;
const int BLOCKc = BLOCK >> p->hsub;
int offset;
AVPacket pkt;
int got_pkt_ptr;
@ -254,8 +258,8 @@ static void filter(USPPContext *p, uint8_t *dst[3], uint8_t *src[3],
pkt.size = p->outbuf_size;
p->frame->data[0] = p->src[0] + x1 + y1 * p->frame->linesize[0];
p->frame->data[1] = p->src[1] + x1/2 + y1/2 * p->frame->linesize[1];
p->frame->data[2] = p->src[2] + x1/2 + y1/2 * p->frame->linesize[2];
p->frame->data[1] = p->src[1] + x1c + y1c * p->frame->linesize[1];
p->frame->data[2] = p->src[2] + x1c + y1c * p->frame->linesize[2];
p->frame->format = p->avctx_enc[i]->pix_fmt;
avcodec_encode_video2(p->avctx_enc[i], &pkt, p->frame, &got_pkt_ptr);
@ -267,10 +271,10 @@ static void filter(USPPContext *p, uint8_t *dst[3], uint8_t *src[3],
for (x = 0; x < width; x++)
p->temp[0][x + y * p->temp_stride[0]] += p->frame_dec->data[0][x + y * p->frame_dec->linesize[0] + offset];
offset = (BLOCK/2-x1/2) + (BLOCK/2-y1/2) * p->frame_dec->linesize[1];
offset = (BLOCKc-x1c) + (BLOCKc-y1c) * p->frame_dec->linesize[1];
for (y = 0; y < height/2; y++) {
for (x = 0; x < width/2; x++) {
for (y = 0; y < height>>p->vsub; y++) {
for (x = 0; x < width>>p->hsub; x++) {
p->temp[1][x + y * p->temp_stride[1]] += p->frame_dec->data[1][x + y * p->frame_dec->linesize[1] + offset];
p->temp[2][x + y * p->temp_stride[2]] += p->frame_dec->data[2][x + y * p->frame_dec->linesize[2] + offset];
}
@ -282,7 +286,9 @@ static void filter(USPPContext *p, uint8_t *dst[3], uint8_t *src[3],
if (!dst[j])
continue;
store_slice_c(dst[j], p->temp[j], dst_stride[j], p->temp_stride[j],
width >> is_chroma, height >> is_chroma, 8-p->log2_count);
width >> (is_chroma ? p->hsub : 0),
height >> (is_chroma ? p->vsub : 0),
8-p->log2_count);
}
}
@ -308,6 +314,7 @@ static int config_input(AVFilterLink *inlink)
USPPContext *uspp = ctx->priv;
const int height = inlink->h;
const int width = inlink->w;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
int i;
AVCodec *enc = avcodec_find_encoder(AV_CODEC_ID_SNOW);
@ -316,10 +323,13 @@ static int config_input(AVFilterLink *inlink)
return AVERROR(EINVAL);
}
uspp->hsub = desc->log2_chroma_w;
uspp->vsub = desc->log2_chroma_h;
for (i = 0; i < 3; i++) {
int is_chroma = !!i;
int w = ((width + 4 * BLOCK-1) & (~(2 * BLOCK-1))) >> is_chroma;
int h = ((height + 4 * BLOCK-1) & (~(2 * BLOCK-1))) >> is_chroma;
int w = ((width + 4 * BLOCK-1) & (~(2 * BLOCK-1))) >> (is_chroma ? uspp->hsub : 0);
int h = ((height + 4 * BLOCK-1) & (~(2 * BLOCK-1))) >> (is_chroma ? uspp->vsub : 0);
uspp->temp_stride[i] = w;
if (!(uspp->temp[i] = av_malloc(uspp->temp_stride[i] * h * sizeof(int16_t))))