virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

vf_fade: switch to filter_frame

Browse Source 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Anton Khirnov 2012-11-28 23:27:21 +01:00 committed by Michael Niedermayer
parent 2d9d444051
commit 9a65b8c0a2
1 changed files with 10 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
libavfilter/vf_fade.c
View File

@ -216,10 +216,9 @@ static void fade_plane(int y, int h, int w,
}
}
static int draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *frame)
{
FadeContext *fade = inlink->dst->priv;
AVFilterBufferRef *outpic = inlink->cur_buf;
uint8_t *p;
int i, j, plane;
@ -228,22 +227,22 @@ static int draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
// alpha only
plane = fade->is_packed_rgb ? 0 : A; // alpha is on plane 0 for packed formats
// or plane 3 for planar formats
fade_plane(y, h, inlink->w,
fade_plane(0, frame->video->h, inlink->w,
fade->factor, fade->black_level, fade->black_level_scaled,
fade->is_packed_rgb ? fade->rgba_map[A] : 0, // alpha offset for packed formats
fade->is_packed_rgb ? 4 : 1, // pixstep for 8 bit packed formats
1, outpic->data[plane], outpic->linesize[plane]);
1, frame->data[plane], frame->linesize[plane]);
} else {
/* luma or rgb plane */
fade_plane(y, h, inlink->w,
fade_plane(0, frame->video->h, inlink->w,
fade->factor, fade->black_level, fade->black_level_scaled,
0, 1, // offset & pixstep for Y plane or RGB packed format
fade->bpp, outpic->data[0], outpic->linesize[0]);
if (outpic->data[1] && outpic->data[2]) {
fade->bpp, frame->data[0], frame->linesize[0]);
if (frame->data[1] && frame->data[2]) {
/* chroma planes */
for (plane = 1; plane < 3; plane++) {
for (i = 0; i < h; i++) {
p = outpic->data[plane] + ((y+i) >> fade->vsub) * outpic->linesize[plane];
for (i = 0; i < frame->video->h; i++) {
p = frame->data[plane] + (i >> fade->vsub) * frame->linesize[plane];
for (j = 0; j < inlink->w >> fade->hsub; j++) {
/* 8421367 = ((128 << 1) + 1) << 15. It is an integer
* representation of 128.5. The .5 is for rounding
@ -257,23 +256,13 @@ static int draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
}
}
return ff_draw_slice(inlink->dst->outputs[0], y, h, slice_dir);
}
static int end_frame(AVFilterLink *inlink)
{
FadeContext *fade = inlink->dst->priv;
int ret;
ret = ff_end_frame(inlink->dst->outputs[0]);
if (fade->frame_index >= fade->start_frame &&
fade->frame_index <= fade->stop_frame)
fade->factor += fade->fade_per_frame;
fade->factor = av_clip_uint16(fade->factor);
fade->frame_index++;
return ret;
return ff_filter_frame(inlink->dst->outputs[0], frame);
}
static const AVFilterPad avfilter_vf_fade_inputs[] = {
@ -282,9 +271,7 @@ static const AVFilterPad avfilter_vf_fade_inputs[] = {
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_props,
.get_video_buffer = ff_null_get_video_buffer,
.start_frame = ff_null_start_frame,
.draw_slice = draw_slice,
.end_frame = end_frame,
.filter_frame = filter_frame,
.min_perms = AV_PERM_READ | AV_PERM_WRITE,
},
{ NULL }