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Code Issues Releases Activity

lavfi: use ff_norm_qscale(), factorize

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This commit is contained in:
Stefano Sabatini 2015-01-13 13:00:18 +01:00
parent b23a866844
commit 57ede2a507
3 changed files with 3 additions and 40 deletions
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14
libavfilter/vf_fspp.c
View File

@ -40,7 +40,6 @@
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "internal.h"
#include "libavcodec/avcodec.h" //for reference to FF_QSCALE_TYPE
#include "vf_fspp.h"
#define OFFSET(x) offsetof(FSPPContext, x)
@ -80,17 +79,6 @@ static const short custom_threshold[64] = {
20, 27, 26, 23, 20, 15, 11, 5
};
static inline int norm_qscale(int qscale, int type)
{
switch (type) {
case FF_QSCALE_TYPE_MPEG1: return qscale;
case FF_QSCALE_TYPE_MPEG2: return qscale >> 1;
case FF_QSCALE_TYPE_H264: return qscale >> 2;
case FF_QSCALE_TYPE_VP56: return (63 - qscale + 2) >> 2;
}
return qscale;
}
//This func reads from 1 slice, 1 and clears 0 & 1
static void store_slice_c(uint8_t *dst, int16_t *src,
ptrdiff_t dst_stride, ptrdiff_t src_stride,
@ -218,7 +206,7 @@ static void filter(FSPPContext *p, uint8_t *dst, uint8_t *src,
if (t < 0) t = 0; //t always < width-2
t = qp_store[qy + (t >> qpsh)];
t = norm_qscale(t, p->qscale_type);
t = ff_norm_qscale(t, p->qscale_type);
if (t != p->prev_q) p->prev_q = t, p->mul_thrmat((int16_t *)(&p->threshold_mtx_noq[0]), (int16_t *)(&p->threshold_mtx[0]), t);
p->column_fidct((int16_t *)(&p->threshold_mtx[0]), block + x * 8, block3 + x * 8, 8); //yes, this is a HOTSPOT

14
libavfilter/vf_spp.c
View File

@ -229,18 +229,6 @@ static inline void add_block(uint16_t *dst, int linesize, const int16_t block[64
}
}
// XXX: export the function?
static inline int norm_qscale(int qscale, int type)
{
switch (type) {
case FF_QSCALE_TYPE_MPEG1: return qscale;
case FF_QSCALE_TYPE_MPEG2: return qscale >> 1;
case FF_QSCALE_TYPE_H264: return qscale >> 2;
case FF_QSCALE_TYPE_VP56: return (63 - qscale + 2) >> 2;
}
return qscale;
}
static void filter(SPPContext *p, uint8_t *dst, uint8_t *src,
int dst_linesize, int src_linesize, int width, int height,
const uint8_t *qp_table, int qp_stride, int is_luma, int depth)
@ -284,7 +272,7 @@ static void filter(SPPContext *p, uint8_t *dst, uint8_t *src,
} else{
const int qps = 3 + is_luma;
qp = qp_table[(FFMIN(x, width - 1) >> qps) + (FFMIN(y, height - 1) >> qps) * qp_stride];
qp = FFMAX(1, norm_qscale(qp, p->qscale_type));
qp = FFMAX(1, ff_norm_qscale(qp, p->qscale_type));
}
for (i = 0; i < count; i++) {
const int x1 = x + offset[i + count - 1][0];

15
libavfilter/vf_uspp.c
View File

@ -32,7 +32,6 @@
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "internal.h"
#include "libavcodec/avcodec.h"
#include "avfilter.h"
#define MAX_LEVEL 8 /* quality levels */
@ -181,18 +180,6 @@ static void store_slice_c(uint8_t *dst, const uint16_t *src,
}
}
static inline int norm_qscale(int qscale, int type)
{
switch (type) {
case FF_QSCALE_TYPE_MPEG1: return qscale;
case FF_QSCALE_TYPE_MPEG2: return qscale >> 1;
case FF_QSCALE_TYPE_H264: return qscale >> 2;
case FF_QSCALE_TYPE_VP56: return (63 - qscale + 2) >> 2;
default: av_assert0(0);
}
return qscale;
}
static void filter(USPPContext *p, uint8_t *dst[3], uint8_t *src[3],
int dst_stride[3], int src_stride[3], int width,
int height, uint8_t *qp_store, int qp_stride)
@ -237,7 +224,7 @@ static void filter(USPPContext *p, uint8_t *dst[3], uint8_t *src[3],
for (x = 0; x < (width>>4); x++)
qpsum += qp_store[x + y * qp_stride];
}
p->frame->quality = norm_qscale((qpsum + qpcount/2) / qpcount, p->qscale_type) * FF_QP2LAMBDA;
p->frame->quality = ff_norm_qscale((qpsum + qpcount/2) / qpcount, p->qscale_type) * FF_QP2LAMBDA;
}
// init per MB qscale stuff FIXME
p->frame->height = height;