diff options
Diffstat (limited to 'libmpcodecs/vf_qp.c')
| -rw-r--r-- | libmpcodecs/vf_qp.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/libmpcodecs/vf_qp.c b/libmpcodecs/vf_qp.c deleted file mode 100644 index 64e62723d8..0000000000 --- a/libmpcodecs/vf_qp.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * Copyright (C) 2004 Michael Niedermayer <michaelni@gmx.at> - * - * 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 <math.h> -#include <inttypes.h> - -#include <libavutil/eval.h> -#include <libavutil/mem.h> - -#include "mp_msg.h" -#include "cpudetect.h" -#include "img_format.h" -#include "mp_image.h" -#include "vf.h" -#include "libvo/fastmemcpy.h" - - -struct vf_priv_s { - char eq[200]; - int8_t *qp; - int8_t lut[257]; - int qp_stride; -}; - -static int config(struct vf_instance *vf, - int width, int height, int d_width, int d_height, - unsigned int flags, unsigned int outfmt){ - int h= (height+15)>>4; - int i; - - vf->priv->qp_stride= (width+15)>>4; - vf->priv->qp= av_malloc(vf->priv->qp_stride*h*sizeof(int8_t)); - - for(i=-129; i<128; i++){ - double const_values[]={ - M_PI, - M_E, - i != -129, - i, - 0 - }; - const char * const const_names[]={ - "PI", - "E", - "known", - "qp", - NULL - }; - double temp_val; - int res; - - res= av_expr_parse_and_eval(&temp_val, vf->priv->eq, const_names, const_values, NULL, NULL, NULL, NULL, NULL, 0, NULL); - - if (res < 0){ - mp_msg(MSGT_VFILTER, MSGL_ERR, "qp: Error evaluating \"%s\" \n", vf->priv->eq); - return 0; - } - vf->priv->lut[i+129]= lrintf(temp_val); - } - - return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt); -} - -static void get_image(struct vf_instance *vf, mp_image_t *mpi){ - if(mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change - // ok, we can do pp in-place (or pp disabled): - vf->dmpi=vf_get_image(vf->next,mpi->imgfmt, - mpi->type, mpi->flags, mpi->w, mpi->h); - mpi->planes[0]=vf->dmpi->planes[0]; - mpi->stride[0]=vf->dmpi->stride[0]; - mpi->width=vf->dmpi->width; - if(mpi->flags&MP_IMGFLAG_PLANAR){ - mpi->planes[1]=vf->dmpi->planes[1]; - mpi->planes[2]=vf->dmpi->planes[2]; - mpi->stride[1]=vf->dmpi->stride[1]; - mpi->stride[2]=vf->dmpi->stride[2]; - } - mpi->flags|=MP_IMGFLAG_DIRECT; -} - -static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){ - mp_image_t *dmpi; - int x,y; - - if(!(mpi->flags&MP_IMGFLAG_DIRECT)){ - // no DR, so get a new image! hope we'll get DR buffer: - vf->dmpi=vf_get_image(vf->next,mpi->imgfmt, - MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_PREFER_ALIGNED_STRIDE, - mpi->w,mpi->h); - } - - dmpi= vf->dmpi; - - if(!(mpi->flags&MP_IMGFLAG_DIRECT)){ - memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h, dmpi->stride[0], mpi->stride[0]); - if(mpi->flags&MP_IMGFLAG_PLANAR){ - memcpy_pic(dmpi->planes[1], mpi->planes[1], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[1], mpi->stride[1]); - memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[2], mpi->stride[2]); - } - } - vf_clone_mpi_attributes(dmpi, mpi); - - dmpi->qscale = vf->priv->qp; - dmpi->qstride= vf->priv->qp_stride; - if(mpi->qscale){ - for(y=0; y<((dmpi->h+15)>>4); y++){ - for(x=0; x<vf->priv->qp_stride; x++){ - dmpi->qscale[x + dmpi->qstride*y]= - vf->priv->lut[ 129 + ((int8_t)mpi->qscale[x + mpi->qstride*y]) ]; - } - } - }else{ - int qp= vf->priv->lut[0]; - for(y=0; y<((dmpi->h+15)>>4); y++){ - for(x=0; x<vf->priv->qp_stride; x++){ - dmpi->qscale[x + dmpi->qstride*y]= qp; - } - } - } - - return vf_next_put_image(vf,dmpi, pts); -} - -static void uninit(struct vf_instance *vf){ - if(!vf->priv) return; - - av_free(vf->priv->qp); - vf->priv->qp= NULL; - - av_free(vf->priv); - vf->priv=NULL; -} - -//===========================================================================// -static int vf_open(vf_instance_t *vf, char *args){ - vf->config=config; - vf->put_image=put_image; - vf->get_image=get_image; - vf->uninit=uninit; - vf->priv=av_malloc(sizeof(struct vf_priv_s)); - memset(vf->priv, 0, sizeof(struct vf_priv_s)); - -// avcodec_init(); - - if (args) strncpy(vf->priv->eq, args, 199); - - return 1; -} - -const vf_info_t vf_info_qp = { - "QP changer", - "qp", - "Michael Niedermayer", - "", - vf_open, - NULL -}; |