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Code Issues Releases Activity

mpegvideo: drop unnecessary arguments to hpel_motion()

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These arguments are either constants or copies of MpegEncContext
fields just as easily accessed within the function.

Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2012-08-04 02:51:27 +01:00
parent 66f5a6b419
commit 2568646abb
1 changed files with 15 additions and 24 deletions
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39
libavcodec/mpegvideo_motion.c
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@ -173,11 +173,8 @@ static void gmc_motion(MpegEncContext *s,
static inline int hpel_motion(MpegEncContext *s,
uint8_t *dest, uint8_t *src,
int field_based, int field_select,
int src_x, int src_y,
int width, int height, int stride,
int h_edge_pos, int v_edge_pos,
int w, int h, op_pixels_func *pix_op,
op_pixels_func *pix_op,
int motion_x, int motion_y)
{
int dxy;
@ -188,26 +185,24 @@ static inline int hpel_motion(MpegEncContext *s,
src_y += motion_y >> 1;
/* WARNING: do no forget half pels */
src_x = av_clip(src_x, -16, width); //FIXME unneeded for emu?
if (src_x == width)
src_x = av_clip(src_x, -16, s->width); //FIXME unneeded for emu?
if (src_x == s->width)
dxy &= ~1;
src_y = av_clip(src_y, -16, height);
if (src_y == height)
src_y = av_clip(src_y, -16, s->height);
if (src_y == s->height)
dxy &= ~2;
src += src_y * stride + src_x;
src += src_y * s->linesize + src_x;
if(s->unrestricted_mv && (s->flags&CODEC_FLAG_EMU_EDGE)){
if( (unsigned)src_x > FFMAX(h_edge_pos - (motion_x&1) - w, 0)
|| (unsigned)src_y > FFMAX(v_edge_pos - (motion_y&1) - h, 0)){
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, w+1, (h+1)<<field_based,
src_x, src_y<<field_based, h_edge_pos, s->v_edge_pos);
if( (unsigned)src_x > FFMAX(s->h_edge_pos - (motion_x&1) - 8, 0)
|| (unsigned)src_y > FFMAX(s->v_edge_pos - (motion_y&1) - 8, 0)){
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, 9, 9,
src_x, src_y, s->h_edge_pos, s->v_edge_pos);
src= s->edge_emu_buffer;
emu=1;
}
}
if(field_select)
src += s->linesize;
pix_op[dxy](dest, src, stride, h);
pix_op[dxy](dest, src, s->linesize, 8);
return emu;
}
@ -446,11 +441,9 @@ static inline void obmc_motion(MpegEncContext *s,
ptr[i]= ptr[MID];
}else{
ptr[i]= s->obmc_scratchpad + 8*(i&1) + s->linesize*8*(i>>1);
hpel_motion(s, ptr[i], src, 0, 0,
hpel_motion(s, ptr[i], src,
src_x, src_y,
s->width, s->height, s->linesize,
s->h_edge_pos, s->v_edge_pos,
8, 8, pix_op,
pix_op,
mv[i][0], mv[i][1]);
}
}
@ -773,11 +766,9 @@ static av_always_inline void MPV_motion_internal(MpegEncContext *s,
}else{
for(i=0;i<4;i++) {
hpel_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize,
ref_picture[0], 0, 0,
ref_picture[0],
mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >>1) * 8,
s->width, s->height, s->linesize,
s->h_edge_pos, s->v_edge_pos,
8, 8, pix_op[1],
pix_op[1],
s->mv[dir][i][0], s->mv[dir][i][1]);
mx += s->mv[dir][i][0];