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Try to keep track of interlaced and top field first. 

Originally committed as revision 23044 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-05-07 10:02:59 +00:00
parent 46847a336e
commit efdc74ef19
5 changed files with 14 additions and 0 deletions
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2
libavfilter/avfilter.c
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@ -266,6 +266,8 @@ void avfilter_start_frame(AVFilterLink *link, AVFilterPicRef *picref)
link->cur_pic->pts = link->srcpic->pts;
link->cur_pic->pos = link->srcpic->pos;
link->cur_pic->pixel_aspect = link->srcpic->pixel_aspect;
link->cur_pic->interlaced = link->srcpic->interlaced;
link->cur_pic->top_field_first = link->srcpic->top_field_first;
}
else
link->cur_pic = picref;

3
libavfilter/avfilter.h
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@ -115,6 +115,9 @@ typedef struct AVFilterPicRef
#define AV_PERM_PRESERVE 0x04 ///< nobody else can overwrite the buffer
#define AV_PERM_REUSE 0x08 ///< can output the buffer multiple times, with the same contents each time
#define AV_PERM_REUSE2 0x10 ///< can output the buffer multiple times, modified each time
int interlaced; ///< is frame interlaced
int top_field_first;
} AVFilterPicRef;
/**

2
libavfilter/defaults.c
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@ -76,6 +76,8 @@ void avfilter_default_start_frame(AVFilterLink *link, AVFilterPicRef *picref)
out->outpic->pts = picref->pts;
out->outpic->pos = picref->pos;
out->outpic->pixel_aspect = picref->pixel_aspect;
out->outpic->interlaced = picref->interlaced;
out->outpic->top_field_first = picref->top_field_first;
avfilter_start_frame(out, avfilter_ref_pic(out->outpic, ~0));
}
}

3
libavfilter/vf_scale.c
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@ -150,6 +150,9 @@ static void start_frame(AVFilterLink *link, AVFilterPicRef *picref)
outpicref = avfilter_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);
outpicref->pts = picref->pts;
outpicref->pos = picref->pos;
outpicref->interlaced = picref->interlaced;
outpicref->top_field_first = picref->top_field_first;
outlink->outpic = outpicref;
av_reduce(&outpicref->pixel_aspect.num, &outpicref->pixel_aspect.den,

4
libavfilter/vsrc_buffer.c
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@ -46,6 +46,8 @@ int av_vsrc_buffer_add_frame(AVFilterContext *buffer_filter, AVFrame *frame,
memcpy(c->frame.data , frame->data , sizeof(frame->data));
memcpy(c->frame.linesize, frame->linesize, sizeof(frame->linesize));
c->frame.interlaced_frame= frame->interlaced_frame;
c->frame.top_field_first = frame->top_field_first;
c->pts = pts;
c->pixel_aspect = pixel_aspect;
c->has_frame = 1;
@ -106,6 +108,8 @@ static int request_frame(AVFilterLink *link)
picref->pts = c->pts;
picref->pixel_aspect = c->pixel_aspect;
picref->interlaced = c->frame.interlaced_frame;
picref->top_field_first = c->frame.top_field_first;
avfilter_start_frame(link, avfilter_ref_pic(picref, ~0));
avfilter_draw_slice(link, 0, link->h, 1);
avfilter_end_frame(link);