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author | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-04-13 14:18:57 +0000 |
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committer | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-04-13 14:18:57 +0000 |
commit | 14dbbc4922a027b59d2561b82c288d906f5f85e0 (patch) | |
tree | bd730784fad41bf60b10c7c17624a3403edc76fe /libmpcodecs/vf_rgb2bgr.c | |
parent | 079ae64b4c4474b2bed39aae2921e904ca1fbc7e (diff) | |
download | mpv-14dbbc4922a027b59d2561b82c288d906f5f85e0.tar.bz2 mpv-14dbbc4922a027b59d2561b82c288d906f5f85e0.tar.xz |
rgb2bgr converter
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5595 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpcodecs/vf_rgb2bgr.c')
-rw-r--r-- | libmpcodecs/vf_rgb2bgr.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/libmpcodecs/vf_rgb2bgr.c b/libmpcodecs/vf_rgb2bgr.c new file mode 100644 index 0000000000..3af2bfa2e6 --- /dev/null +++ b/libmpcodecs/vf_rgb2bgr.c @@ -0,0 +1,101 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <inttypes.h> + +#include "../config.h" +#include "../mp_msg.h" + +#include "../libvo/img_format.h" +#include "../mp_image.h" +#include "vf.h" + +#include "../libvo/fastmemcpy.h" +#include "../postproc/rgb2rgb.h" + +//===========================================================================// + +struct vf_priv_s { + unsigned int fmt; + int forced; +}; + +static unsigned int getfmt(unsigned int outfmt,int forced){ + if(forced) switch(outfmt){ + case IMGFMT_RGB24: + case IMGFMT_RGB32: + case IMGFMT_BGR24: + case IMGFMT_BGR32: + return outfmt; + } + switch(outfmt){ + case IMGFMT_RGB24: return IMGFMT_BGR24; + case IMGFMT_RGB32: return IMGFMT_BGR32; + case IMGFMT_BGR24: return IMGFMT_RGB24; + case IMGFMT_BGR32: return IMGFMT_RGB32; + } + return 0; +} + +static int config(struct vf_instance_s* vf, + int width, int height, int d_width, int d_height, + unsigned int flags, unsigned int outfmt){ + vf->priv->fmt=getfmt(outfmt,vf->priv->forced); + return vf_next_config(vf,width,height,d_width,d_height,flags,vf->priv->fmt); +} + +static void put_image(struct vf_instance_s* vf, mp_image_t *mpi){ + mp_image_t *dmpi; + + // hope we'll get DR buffer: + dmpi=vf_get_image(vf->next,vf->priv->fmt, + MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE, + mpi->w, mpi->h); + + if(mpi->stride[0]!=dmpi->stride[0]){ + int y; + unsigned char* src=mpi->planes[0]; + unsigned char* dst=dmpi->planes[0]; + int srcsize=mpi->w*mpi->bpp/8; + for(y=0;y<mpi->h;y++){ + if(mpi->bpp==32) + rgb32tobgr32(src,dst,srcsize); + else + rgb24tobgr24(src,dst,srcsize); + } + } else { + if(mpi->bpp==32) + rgb32tobgr32(mpi->planes[0],dmpi->planes[0],mpi->w*mpi->h*4); + else + rgb24tobgr24(mpi->planes[0],dmpi->planes[0],mpi->w*mpi->h*3); + } + + vf_next_put_image(vf,dmpi); +} + +//===========================================================================// + +static int query_format(struct vf_instance_s* vf, unsigned int outfmt){ + unsigned int fmt=getfmt(outfmt,vf->priv->forced); + if(!fmt) return 0; + return vf_next_query_format(vf,fmt) & (~VFCAP_CSP_SUPPORTED_BY_HW); +} + +static int open(vf_instance_t *vf, char* args){ + vf->config=config; + vf->put_image=put_image; + vf->query_format=query_format; + vf->priv=malloc(sizeof(struct vf_priv_s)); + vf->priv->forced=args && !strcasecmp(args,"swap"); + return 1; +} + +vf_info_t vf_info_rgb2bgr = { + "fast 24/32bpp RGB<->BGR conversion", + "rgb2bgr", + "A'rpi", + "", + open +}; + +//===========================================================================// |