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Extend -vf format to allow substituting the format for a compatible one

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(e.g. chaning rgb24 to bgr24).


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@31331 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2010-06-05 17:55:20 +00:00
parent 1689c3422f
commit 7e9ff557a0
2 changed files with 28 additions and 3 deletions
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13
DOCS/man/en/mplayer.1
View File

@ -6101,7 +6101,7 @@ Also perform R <\-> B swapping.
RGB/BGR 8 \-> 15/16/24/32bpp colorspace conversion using palette.
.
.TP
.B format[=fourcc]
.B format[=fourcc[:outfourcc]]
Restricts the colorspace for the next filter without doing any conversion.
Use together with the scale filter for a real conversion.
.br
@ -6111,6 +6111,17 @@ For a list of available formats see format=fmt=help.
.RSs
.IPs <fourcc>
format name like rgb15, bgr24, yv12, etc (default: yuy2)
.IPs <outfourcc>
Format name that should be substituted for the output.
If this is not 100% compatible with the <fourcc> value it will crash.
.br
Valid examples:
.br
format=rgb24:bgr24 format=yuyv:yuy2
.br
Invalid examples (will crash):
.br
format=rgb24:yv12
.RE
.PD 1
.

18
libmpcodecs/vf_format.c
View File

@ -34,28 +34,42 @@
static struct vf_priv_s {
unsigned int fmt;
unsigned int outfmt;
} const vf_priv_dflt = {
IMGFMT_YUY2
IMGFMT_YUY2,
0
};
//===========================================================================//
static int query_format(struct vf_instance *vf, unsigned int fmt){
if(fmt==vf->priv->fmt)
if(fmt==vf->priv->fmt) {
if (vf->priv->outfmt)
fmt = vf->priv->outfmt;
return vf_next_query_format(vf,fmt);
}
return 0;
}
static int config(struct vf_instance *vf, int width, int height,
int d_width, int d_height,
unsigned flags, unsigned outfmt){
return vf_next_config(vf, width, height, d_width, d_height, flags, vf->priv->outfmt);
}
static int vf_open(vf_instance_t *vf, char *args){
vf->query_format=query_format;
vf->draw_slice=vf_next_draw_slice;
vf->default_caps=0;
if (vf->priv->outfmt)
vf->config=config;
return 1;
}
#define ST_OFF(f) M_ST_OFF(struct vf_priv_s,f)
static const m_option_t vf_opts_fields[] = {
{"fmt", ST_OFF(fmt), CONF_TYPE_IMGFMT, 0,0 ,0, NULL},
{"outfmt", ST_OFF(outfmt), CONF_TYPE_IMGFMT, 0,0 ,0, NULL},
{ NULL, NULL, 0, 0, 0, 0, NULL }
};