Commit 28c10c83 authored by gbazin's avatar gbazin

* modules/codec/ffmpeg/video_filter.c: a few fixes and cleanup.

parent 739d192a
......@@ -50,6 +50,7 @@ struct filter_sys_t
{
vlc_bool_t b_resize;
vlc_bool_t b_convert;
vlc_bool_t b_resize_first;
es_format_t fmt_in;
int i_src_ffmpeg_chroma;
......@@ -98,7 +99,6 @@ int E_(OpenFilter)( vlc_object_t *p_this )
/* Misc init */
p_sys->p_rsc = NULL;
p_sys->b_convert = b_convert;
p_sys->i_src_ffmpeg_chroma =
E_(GetFfmpegChroma)( p_filter->fmt_in.video.i_chroma );
p_sys->i_dst_ffmpeg_chroma =
......@@ -107,29 +107,15 @@ int E_(OpenFilter)( vlc_object_t *p_this )
es_format_Init( &p_sys->fmt_in, 0, 0 );
es_format_Init( &p_sys->fmt_out, 0, 0 );
if( CheckInit( p_filter ) != VLC_SUCCESS )
{
free( p_sys );
return VLC_EGENERIC;
}
if( p_sys->b_resize && p_sys->b_convert )
{
if ( p_filter->fmt_in.video.i_width * p_filter->fmt_in.video.i_height >
p_filter->fmt_out.video.i_width * p_filter->fmt_out.video.i_height )
{
/* Resizing then conversion */
/* Dummy alloc, will be reallocated in CheckInit */
avpicture_alloc( &p_sys->tmp_pic, p_sys->i_src_ffmpeg_chroma,
p_filter->fmt_out.video.i_width,
p_filter->fmt_out.video.i_height );
}
else
if( CheckInit( p_filter ) != VLC_SUCCESS )
{
/* Conversion then resizing */
avpicture_alloc( &p_sys->tmp_pic, p_sys->i_dst_ffmpeg_chroma,
p_filter->fmt_in.video.i_width,
p_filter->fmt_in.video.i_height );
}
free( p_sys );
return VLC_EGENERIC;
}
msg_Dbg( p_filter, "input: %ix%i %4.4s -> %ix%i %4.4s",
......@@ -174,10 +160,21 @@ static int CheckInit( filter_t *p_filter )
if( p_sys->p_rsc ) img_resample_close( p_sys->p_rsc );
p_sys->p_rsc = 0;
p_sys->b_convert =
p_filter->fmt_in.video.i_chroma != p_filter->fmt_out.video.i_chroma;
p_sys->b_resize =
p_filter->fmt_in.video.i_width != p_filter->fmt_out.video.i_width ||
p_filter->fmt_in.video.i_height != p_filter->fmt_out.video.i_height;
p_sys->b_resize_first =
p_filter->fmt_in.video.i_width * p_filter->fmt_in.video.i_height >
p_filter->fmt_out.video.i_width * p_filter->fmt_out.video.i_height;
if( E_(GetFfmpegChroma)( p_filter->fmt_in.video.i_chroma ) !=
VLC_FOURCC('I','4','2','0') )
p_sys->b_resize_first = VLC_FALSE;
if( p_sys->b_resize )
{
p_sys->p_rsc = img_resample_init( p_filter->fmt_out.video.i_width,
......@@ -192,6 +189,23 @@ static int CheckInit( filter_t *p_filter )
}
}
avpicture_free( &p_sys->tmp_pic );
if( p_sys->b_resize_first )
{
/* Resizing then conversion */
avpicture_alloc( &p_sys->tmp_pic, p_sys->i_src_ffmpeg_chroma,
p_filter->fmt_out.video.i_width,
p_filter->fmt_out.video.i_height );
}
else
{
/* Conversion then resizing */
avpicture_alloc( &p_sys->tmp_pic, p_sys->i_dst_ffmpeg_chroma,
p_filter->fmt_in.video.i_width,
p_filter->fmt_in.video.i_height );
}
p_sys->fmt_in = p_filter->fmt_in;
p_sys->fmt_out = p_filter->fmt_out;
}
......@@ -208,7 +222,6 @@ static picture_t *Process( filter_t *p_filter, picture_t *p_pic )
AVPicture src_pic, dest_pic, inter_pic;
AVPicture *p_src, *p_dst;
picture_t *p_pic_dst;
vlc_bool_t b_resize = p_sys->b_resize;
int i;
/* Check if format properties changed */
......@@ -256,15 +269,13 @@ static picture_t *Process( filter_t *p_filter, picture_t *p_pic )
p_src = &src_pic;
if( b_resize && p_sys->p_rsc )
if( p_sys->b_resize && p_sys->p_rsc )
{
p_dst = &dest_pic;
if ( p_filter->fmt_in.video.i_width * p_filter->fmt_in.video.i_height >
p_filter->fmt_out.video.i_width * p_filter->fmt_out.video.i_height )
if( p_sys->b_resize_first )
{
if ( p_sys->b_convert ) p_dst = &p_sys->tmp_pic;
if( p_sys->b_convert ) p_dst = &p_sys->tmp_pic;
img_resample( p_sys->p_rsc, p_dst, p_src );
b_resize = VLC_FALSE;
p_src = p_dst;
}
}
......@@ -273,7 +284,7 @@ static picture_t *Process( filter_t *p_filter, picture_t *p_pic )
{
video_format_t *p_fmt = &p_filter->fmt_out.video;
p_dst = &dest_pic;
if( b_resize )
if( p_sys->b_resize && !p_sys->b_resize_first )
{
p_dst = &p_sys->tmp_pic;
p_fmt = &p_filter->fmt_in.video;
......@@ -286,7 +297,7 @@ static picture_t *Process( filter_t *p_filter, picture_t *p_pic )
p_src = p_dst;
}
if( b_resize && p_sys->p_rsc )
if( p_sys->b_resize && !p_sys->b_resize_first && p_sys->p_rsc )
{
p_dst = &dest_pic;
img_resample( p_sys->p_rsc, p_dst, p_src );
......
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