diff options
Diffstat (limited to 'libavfilter/libmpcodecs/vf_rgbtest.c')
| -rw-r--r-- | libavfilter/libmpcodecs/vf_rgbtest.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/libavfilter/libmpcodecs/vf_rgbtest.c b/libavfilter/libmpcodecs/vf_rgbtest.c new file mode 100644 index 0000000000..cbed6ed367 --- /dev/null +++ b/libavfilter/libmpcodecs/vf_rgbtest.c @@ -0,0 +1,171 @@ +/* + * This file is part of MPlayer. + * + * MPlayer is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * MPlayer is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with MPlayer; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <inttypes.h> + +#include "config.h" +#include "mp_msg.h" + +#include "img_format.h" +#include "mp_image.h" +#include "vf.h" + +//===========================================================================// + +struct vf_priv_s { + unsigned int fmt; + int w, h; +}; + +static unsigned int getfmt(unsigned int outfmt){ + switch(outfmt){ + case IMGFMT_RGB12: + case IMGFMT_RGB15: + case IMGFMT_RGB16: + case IMGFMT_RGB24: + case IMGFMT_RGBA: + case IMGFMT_ARGB: + case IMGFMT_BGR12: + case IMGFMT_BGR15: + case IMGFMT_BGR16: + case IMGFMT_BGR24: + case IMGFMT_BGRA: + case IMGFMT_ABGR: + return outfmt; + } + return 0; +} + +static void put_pixel(uint8_t *buf, int x, int y, int stride, int r, int g, int b, int fmt){ + switch(fmt){ + case IMGFMT_BGR12: ((uint16_t*)(buf + y*stride))[x]= + ((r >> 4) << 8) | ((g >> 4) << 4) | (b >> 4); + break; + case IMGFMT_RGB12: ((uint16_t*)(buf + y*stride))[x]= + ((b >> 4) << 8) | ((g >> 4) << 4) | (r >> 4); + break; + case IMGFMT_BGR15: ((uint16_t*)(buf + y*stride))[x]= ((r>>3)<<10) | ((g>>3)<<5) | (b>>3); + break; + case IMGFMT_RGB15: ((uint16_t*)(buf + y*stride))[x]= ((b>>3)<<10) | ((g>>3)<<5) | (r>>3); + break; + case IMGFMT_BGR16: ((uint16_t*)(buf + y*stride))[x]= ((r>>3)<<11) | ((g>>2)<<5) | (b>>3); + break; + case IMGFMT_RGB16: ((uint16_t*)(buf + y*stride))[x]= ((b>>3)<<11) | ((g>>2)<<5) | (r>>3); + break; + case IMGFMT_RGB24: + buf[3*x + y*stride + 0]= r; + buf[3*x + y*stride + 1]= g; + buf[3*x + y*stride + 2]= b; + break; + case IMGFMT_BGR24: + buf[3*x + y*stride + 0]= b; + buf[3*x + y*stride + 1]= g; + buf[3*x + y*stride + 2]= r; + break; + case IMGFMT_RGBA: + buf[4*x + y*stride + 0]= r; + buf[4*x + y*stride + 1]= g; + buf[4*x + y*stride + 2]= b; + break; + case IMGFMT_BGRA: + buf[4*x + y*stride + 0]= b; + buf[4*x + y*stride + 1]= g; + buf[4*x + y*stride + 2]= r; + break; + case IMGFMT_ARGB: + buf[4*x + y*stride + 1]= r; + buf[4*x + y*stride + 2]= g; + buf[4*x + y*stride + 3]= b; + break; + case IMGFMT_ABGR: + buf[4*x + y*stride + 1]= b; + buf[4*x + y*stride + 2]= g; + buf[4*x + y*stride + 3]= r; + break; + } +} + +static int config(struct vf_instance *vf, + int width, int height, int d_width, int d_height, + unsigned int flags, unsigned int outfmt){ + if (vf->priv->w > 0) { d_width = width = vf->priv->w; } + if (vf->priv->h > 0) { d_height = height = vf->priv->h; } + vf->priv->fmt=getfmt(outfmt); + mp_msg(MSGT_VFILTER,MSGL_V,"rgb test format:%s\n", vo_format_name(outfmt)); + return vf_next_config(vf,width,height,d_width,d_height,flags,vf->priv->fmt); +} + +static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){ + mp_image_t *dmpi; + int x, y; + int w = vf->priv->w > 0 ? vf->priv->w : mpi->w; + int h = vf->priv->h > 0 ? vf->priv->h : mpi->h; + + // hope we'll get DR buffer: + dmpi=vf_get_image(vf->next,vf->priv->fmt, + MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE, + w, h); + + for(y=0; y<h; y++){ + for(x=0; x<w; x++){ + int c= 256*x/w; + int r=0,g=0,b=0; + + if(3*y<h) r=c; + else if(3*y<2*h) g=c; + else b=c; + + put_pixel(dmpi->planes[0], x, y, dmpi->stride[0], r, g, b, vf->priv->fmt); + } + } + + return vf_next_put_image(vf,dmpi, pts); +} + +//===========================================================================// + +static int query_format(struct vf_instance *vf, unsigned int outfmt){ + unsigned int fmt=getfmt(outfmt); + if(!fmt) return 0; + return vf_next_query_format(vf,fmt) & (~VFCAP_CSP_SUPPORTED_BY_HW); +} + +static int vf_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->w = vf->priv->h = 0; + if (args) + sscanf(args, "%d:%d", &vf->priv->w, &vf->priv->h); + return 1; +} + +const vf_info_t vf_info_rgbtest = { + "rgbtest", + "rgbtest", + "Michael Niedermayer", + "", + vf_open, + NULL +}; + +//===========================================================================// |