virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-28 20:53:54 +02:00
Code Issues Releases Activity

fade: fix slice sizes

Browse Source 
This more evenly distributes the load between threads

This also fixes the chroma filtering where the filter was applied twice

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-05-24 17:34:36 +02:00
parent 1d08e4b584
commit bca59d7745
2 changed files with 34 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
libavfilter/vf_fade.c
View File

@ -163,9 +163,8 @@ static int filter_slice_luma(AVFilterContext *ctx, void *arg, int jobnr,
{
FadeContext *s = ctx->priv;
AVFrame *frame = arg;
int slice_h = frame->height / nb_jobs;
int slice_start = jobnr * slice_h;
int slice_end = (jobnr == nb_jobs - 1) ? frame->height : (jobnr + 1) * slice_h;
int slice_start = (frame->height * jobnr ) / nb_jobs;
int slice_end = (frame->height * (jobnr+1)) / nb_jobs;
int i, j;
for (i = slice_start; i < slice_end; i++) {
@ -187,15 +186,15 @@ static int filter_slice_chroma(AVFilterContext *ctx, void *arg, int jobnr,
{
FadeContext *s = ctx->priv;
AVFrame *frame = arg;
int slice_h = FFALIGN(frame->height / nb_jobs, 1 << s->vsub);
int slice_start = jobnr * slice_h;
int slice_end = (jobnr == nb_jobs - 1) ? frame->height : (jobnr + 1) * slice_h;
int i, j, plane;
const int width = FF_CEIL_RSHIFT(frame->width, s->hsub);
const int height= FF_CEIL_RSHIFT(frame->height, s->vsub);
int slice_start = (height * jobnr ) / nb_jobs;
int slice_end = (height * (jobnr+1)) / nb_jobs;
for (plane = 1; plane < 3; plane++) {
for (i = slice_start; i < slice_end; i++) {
uint8_t *p = frame->data[plane] + (i >> s->vsub) * frame->linesize[plane];
uint8_t *p = frame->data[plane] + i * frame->linesize[plane];
for (j = 0; j < width; j++) {
/* 8421367 = ((128 << 1) + 1) << 15. It is an integer
* representation of 128.5. The .5 is for rounding

56
tests/ref/fate/filter-fade
View File

@ -5,20 +5,20 @@
0, 3, 3, 1, 152064, 0xb4e6c735
0, 4, 4, 1, 152064, 0xb4e6c735
0, 5, 5, 1, 152064, 0xb4e6c735
0, 6, 6, 1, 152064, 0x54bae320
0, 7, 7, 1, 152064, 0x53b60b7e
0, 8, 8, 1, 152064, 0x8bed0304
0, 9, 9, 1, 152064, 0x509c4b78
0, 10, 10, 1, 152064, 0x4cf869a4
0, 11, 11, 1, 152064, 0x958b7c66
0, 12, 12, 1, 152064, 0x45841fbf
0, 13, 13, 1, 152064, 0xcfee57ea
0, 14, 14, 1, 152064, 0x979ff709
0, 15, 15, 1, 152064, 0xf7ffd5e2
0, 16, 16, 1, 152064, 0xc42f4370
0, 17, 17, 1, 152064, 0x71ae098f
0, 18, 18, 1, 152064, 0x64146a42
0, 19, 19, 1, 152064, 0xdb3068fd
0, 6, 6, 1, 152064, 0x1f3b0657
0, 7, 7, 1, 152064, 0x6e7547e6
0, 8, 8, 1, 152064, 0x1197524c
0, 9, 9, 1, 152064, 0xb4cdb293
0, 10, 10, 1, 152064, 0xdd7cf1b8
0, 11, 11, 1, 152064, 0x360b1005
0, 12, 12, 1, 152064, 0x11a49918
0, 13, 13, 1, 152064, 0xa10dd4f9
0, 14, 14, 1, 152064, 0x78da71d7
0, 15, 15, 1, 152064, 0x105e4cc0
0, 16, 16, 1, 152064, 0x54bfa1c5
0, 17, 17, 1, 152064, 0xd666559e
0, 18, 18, 1, 152064, 0xd93faa1c
0, 19, 19, 1, 152064, 0xb1af85ed
0, 20, 20, 1, 152064, 0xfc7bf570
0, 21, 21, 1, 152064, 0x9dc72412
0, 22, 22, 1, 152064, 0x445d1d59
@ -30,20 +30,20 @@
0, 28, 28, 1, 152064, 0x76d2a455
0, 29, 29, 1, 152064, 0x6dc3650e
0, 30, 30, 1, 152064, 0x0f9d6aca
0, 31, 31, 1, 152064, 0x11446a9b
0, 32, 32, 1, 152064, 0x00be684c
0, 33, 33, 1, 152064, 0xe5f9ee52
0, 34, 34, 1, 152064, 0x21ecafb8
0, 35, 35, 1, 152064, 0xd42c962c
0, 36, 36, 1, 152064, 0xe00a270d
0, 37, 37, 1, 152064, 0xc1b53878
0, 38, 38, 1, 152064, 0xfc4e28dd
0, 39, 39, 1, 152064, 0x9c574e39
0, 40, 40, 1, 152064, 0xdd25cf9d
0, 41, 41, 1, 152064, 0x32959e70
0, 42, 42, 1, 152064, 0xac6498d5
0, 43, 43, 1, 152064, 0xcd595d21
0, 44, 44, 1, 152064, 0x2953ff74
0, 31, 31, 1, 152064, 0xddae8141
0, 32, 32, 1, 152064, 0x67cb8f24
0, 33, 33, 1, 152064, 0xc7a72348
0, 34, 34, 1, 152064, 0x0d7a1144
0, 35, 35, 1, 152064, 0x39adfb3d
0, 36, 36, 1, 152064, 0x0ecc70d5
0, 37, 37, 1, 152064, 0xf3a6805e
0, 38, 38, 1, 152064, 0xc3bd71ad
0, 39, 39, 1, 152064, 0xa9be9730
0, 40, 40, 1, 152064, 0xab9af790
0, 41, 41, 1, 152064, 0x4c3ccd25
0, 42, 42, 1, 152064, 0xbc83c58a
0, 43, 43, 1, 152064, 0x94877df4
0, 44, 44, 1, 152064, 0xa2360ea6
0, 45, 45, 1, 152064, 0xb4e6c735
0, 46, 46, 1, 152064, 0xb4e6c735
0, 47, 47, 1, 152064, 0xb4e6c735