[FFmpeg-devel] [PATCH] lavfi: remove qp libmpcodecs wrapper
Paul B Mahol
onemda at gmail.com
Wed Feb 13 18:21:45 CET 2013
Filter does nothing, lavfi does not provide access
to codec quantization tables.
Signed-off-by: Paul B Mahol <onemda at gmail.com>
---
doc/filters.texi | 1 -
libavfilter/Makefile | 1 -
libavfilter/libmpcodecs/vf_qp.c | 178 ----------------------------------------
libavfilter/vf_mp.c | 2 -
4 files changed, 182 deletions(-)
delete mode 100644 libavfilter/libmpcodecs/vf_qp.c
diff --git a/doc/filters.texi b/doc/filters.texi
index ed55204..79dd51b 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -3636,7 +3636,6 @@ The list of the currently supported filters follows:
@item phase
@item pp7
@item pullup
- at item qp
@item sab
@item softpulldown
@item spp
diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index 2a03546..9674530 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -198,7 +198,6 @@ OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_perspective.o
OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_phase.o
OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_pp7.o
OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_pullup.o
-OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_qp.o
OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_sab.o
OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_softpulldown.o
OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_spp.o
diff --git a/libavfilter/libmpcodecs/vf_qp.c b/libavfilter/libmpcodecs/vf_qp.c
deleted file mode 100644
index 579ec1c..0000000
--- a/libavfilter/libmpcodecs/vf_qp.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * Copyright (C) 2004 Michael Niedermayer <michaelni at 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 "mp_msg.h"
-#include "cpudetect.h"
-#include "img_format.h"
-#include "mp_image.h"
-#include "vf.h"
-#include "libvo/fastmemcpy.h"
-
-#include "libavcodec/avcodec.h"
-#include "libavutil/eval.h"
-#include "libavutil/mem.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
- };
- static const char *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){
- ff_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 ff_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=ff_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=ff_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]);
- }
- }
- ff_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 ff_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 ff_vf_info_qp = {
- "QP changer",
- "qp",
- "Michael Niedermayer",
- "",
- vf_open,
- NULL
-};
diff --git a/libavfilter/vf_mp.c b/libavfilter/vf_mp.c
index 263a35b..a42b50e 100644
--- a/libavfilter/vf_mp.c
+++ b/libavfilter/vf_mp.c
@@ -142,7 +142,6 @@ extern const vf_info_t ff_vf_info_perspective;
extern const vf_info_t ff_vf_info_phase;
extern const vf_info_t ff_vf_info_pp7;
extern const vf_info_t ff_vf_info_pullup;
-extern const vf_info_t ff_vf_info_qp;
extern const vf_info_t ff_vf_info_sab;
extern const vf_info_t ff_vf_info_softpulldown;
extern const vf_info_t ff_vf_info_spp;
@@ -174,7 +173,6 @@ static const vf_info_t* const filters[]={
&ff_vf_info_phase,
&ff_vf_info_pp7,
&ff_vf_info_pullup,
- &ff_vf_info_qp,
&ff_vf_info_sab,
&ff_vf_info_softpulldown,
&ff_vf_info_spp,
--
1.7.11.4
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