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lavfi/stereo3d: fix interleave row output modes

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Linesizes that did not match output width produced several artifacts.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-04-17 17:27:02 +00:00
parent 7ee2daed9b
commit 1de7dcb457
1 changed files with 13 additions and 8 deletions
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21
libavfilter/vf_stereo3d.c
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@ -63,6 +63,7 @@ typedef struct StereoComponent {
enum StereoCode format;
int width, height;
int off_left, off_right;
int off_lstep, off_rstep;
int row_left, row_right;
} StereoComponent;
@ -229,6 +230,8 @@ static int config_output(AVFilterLink *outlink)
s->in.height =
s->height = inlink->h;
s->row_step = 1;
s->in.off_lstep =
s->in.off_rstep =
s->in.off_left =
s->in.off_right =
s->in.row_left =
@ -266,6 +269,8 @@ static int config_output(AVFilterLink *outlink)
s->out.width = s->width;
s->out.height = s->height;
s->out.off_lstep =
s->out.off_rstep =
s->out.off_left =
s->out.off_right =
s->out.row_left =
@ -315,14 +320,14 @@ static int config_output(AVFilterLink *outlink)
case INTERLEAVE_ROWS_LR:
s->row_step = 2;
s->height = s->height / 2;
s->out.off_right = s->width * 3;
s->in.off_right += s->in.width * 3;
s->out.off_rstep =
s->in.off_rstep = 1;
break;
case INTERLEAVE_ROWS_RL:
s->row_step = 2;
s->height = s->height / 2;
s->out.off_left = s->width * 3;
s->in.off_left += s->in.width * 3;
s->out.off_lstep =
s->in.off_lstep = 1;
break;
case MONO_R:
s->in.off_left = s->in.off_right;
@ -368,10 +373,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
}
av_frame_copy_props(out, inpicref);
in_off_left = s->in.row_left * inpicref->linesize[0] + s->in.off_left;
in_off_right = s->in.row_right * inpicref->linesize[0] + s->in.off_right;
out_off_left = s->out.row_left * out->linesize[0] + s->out.off_left;
out_off_right = s->out.row_right * out->linesize[0] + s->out.off_right;
in_off_left = (s->in.row_left + s->in.off_lstep) * inpicref->linesize[0] + s->in.off_left;
in_off_right = (s->in.row_right + s->in.off_rstep) * inpicref->linesize[0] + s->in.off_right;
out_off_left = (s->out.row_left + s->out.off_lstep) * out->linesize[0] + s->out.off_left;
out_off_right = (s->out.row_right + s->out.off_rstep) * out->linesize[0] + s->out.off_right;
switch (s->out.format) {
case SIDE_BY_SIDE_LR: