lavfi: remove screenshot libmpcodecs wrapper

The filter is useless.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

doc/filters.texi

@@ -1907,7 +1907,6 @@ The list of the currently supported filters follows:
 @item rectangle
 @item rotate
 @item sab
-@item screenshot
 @item smartblur
 @item softpulldown
 @item softskip

libavfilter/Makefile

@@ -155,7 +155,6 @@ OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_qp.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_rectangle.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_rotate.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_sab.o
-OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_screenshot.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_smartblur.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_softpulldown.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_softskip.o

libavfilter/libmpcodecs/vf_screenshot.c

-/*
- * 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 "config.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#if HAVE_MALLOC_H
-#include <malloc.h>
-#endif
-#include <string.h>
-#include <inttypes.h>
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
-#include "mp_msg.h"
-
-#include "img_format.h"
-#include "mp_image.h"
-#include "vf.h"
-#include "vf_scale.h"
-
-#include "libswscale/swscale.h"
-#include "libavcodec/avcodec.h"
-
-struct vf_priv_s {
-    int frameno;
-    char fname[102];
-    /// shot stores current screenshot mode:
-    /// 0: don't take screenshots
-    /// 1: take single screenshot, reset to 0 afterwards
-    /// 2: take screenshots of each frame
-    int shot, store_slices;
-    int dw, dh, stride;
-    uint8_t *buffer;
-    struct SwsContext *ctx;
-    AVCodecContext *avctx;
-    uint8_t *outbuffer;
-    int outbuffer_size;
-};
-
-//===========================================================================//
-
-static int config(struct vf_instance *vf,
-                  int width, int height, int d_width, int d_height,
-                  unsigned int flags, unsigned int outfmt)
-{
-    vf->priv->ctx=sws_getContextFromCmdLine(width, height, outfmt,
-                                 d_width, d_height, IMGFMT_RGB24);
-
-    vf->priv->outbuffer_size = d_width * d_height * 3 * 2;
-    vf->priv->outbuffer = realloc(vf->priv->outbuffer, vf->priv->outbuffer_size);
-    vf->priv->avctx->width = d_width;
-    vf->priv->avctx->height = d_height;
-    vf->priv->avctx->pix_fmt = PIX_FMT_RGB24;
-    vf->priv->avctx->compression_level = 0;
-    vf->priv->dw = d_width;
-    vf->priv->dh = d_height;
-    vf->priv->stride = (3*vf->priv->dw+15)&~15;
-
-    free(vf->priv->buffer); // probably reconfigured
-    vf->priv->buffer = NULL;
-
-    return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
-}
-
-static void write_png(struct vf_priv_s *priv)
-{
-    char *fname = priv->fname;
-    FILE * fp;
-    AVFrame pic;
-    int size;
-
-    fp = fopen (fname, "wb");
-    if (fp == NULL) {
-        mp_msg(MSGT_VFILTER,MSGL_ERR,"\nPNG Error opening %s for writing!\n", fname);
-        return;
-    }
-
-    pic.data[0] = priv->buffer;
-    pic.linesize[0] = priv->stride;
-    size = avcodec_encode_video(priv->avctx, priv->outbuffer, priv->outbuffer_size, &pic);
-    if (size > 0)
-        fwrite(priv->outbuffer, size, 1, fp);
-
-    fclose (fp);
-}
-
-static int fexists(char *fname)
-{
-    struct stat dummy;
-    if (stat(fname, &dummy) == 0) return 1;
-    else return 0;
-}
-
-static void gen_fname(struct vf_priv_s* priv)
-{
-    do {
-        snprintf (priv->fname, 100, "shot%04d.png", ++priv->frameno);
-    } while (fexists(priv->fname) && priv->frameno < 100000);
-    if (fexists(priv->fname)) {
-        priv->fname[0] = '\0';
-        return;
-    }
-
-    mp_msg(MSGT_VFILTER,MSGL_INFO,"*** screenshot '%s' ***\n",priv->fname);
-
-}
-
-static void scale_image(struct vf_priv_s* priv, mp_image_t *mpi)
-{
-    uint8_t *dst[MP_MAX_PLANES] = {NULL};
-    int dst_stride[MP_MAX_PLANES] = {0};
-
-    dst_stride[0] = priv->stride;
-    if (!priv->buffer)
-        priv->buffer = av_malloc(dst_stride[0]*priv->dh);
-
-    dst[0] = priv->buffer;
-    sws_scale(priv->ctx, mpi->planes, mpi->stride, 0, priv->dh, dst, dst_stride);
-}
-
-static void start_slice(struct vf_instance *vf, mp_image_t *mpi)
-{
-    vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
-        mpi->type, mpi->flags, mpi->width, mpi->height);
-    if (vf->priv->shot) {
-        vf->priv->store_slices = 1;
-        if (!vf->priv->buffer)
-            vf->priv->buffer = av_malloc(vf->priv->stride*vf->priv->dh);
-    }
-
-}
-
-static void draw_slice(struct vf_instance *vf, unsigned char** src,
-                       int* stride, int w,int h, int x, int y)
-{
-    if (vf->priv->store_slices) {
-        uint8_t *dst[MP_MAX_PLANES] = {NULL};
-        int dst_stride[MP_MAX_PLANES] = {0};
-        dst_stride[0] = vf->priv->stride;
-        dst[0] = vf->priv->buffer;
-        sws_scale(vf->priv->ctx, src, stride, y, h, dst, dst_stride);
-    }
-    vf_next_draw_slice(vf,src,stride,w,h,x,y);
-}
-
-static void get_image(struct vf_instance *vf, mp_image_t *mpi)
-{
-    // FIXME: should vf.c really call get_image when using slices??
-    if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
-      return;
-    vf->dmpi= vf_get_image(vf->next, mpi->imgfmt,
-                           mpi->type, mpi->flags/* | MP_IMGFLAG_READABLE*/, mpi->width, mpi->height);
-
-    mpi->planes[0]=vf->dmpi->planes[0];
-    mpi->stride[0]=vf->dmpi->stride[0];
-    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->width=vf->dmpi->width;
-
-    mpi->flags|=MP_IMGFLAG_DIRECT;
-
-    mpi->priv=(void*)vf->dmpi;
-}
-
-static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts)
-{
-    mp_image_t *dmpi = (mp_image_t *)mpi->priv;
-
-    if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
-      dmpi = vf->dmpi;
-    else
-    if(!(mpi->flags&MP_IMGFLAG_DIRECT)){
-        dmpi=vf_get_image(vf->next,mpi->imgfmt,
-                                    MP_IMGTYPE_EXPORT, 0,
-                                    mpi->width, mpi->height);
-        vf_clone_mpi_attributes(dmpi, mpi);
-        dmpi->planes[0]=mpi->planes[0];
-        dmpi->planes[1]=mpi->planes[1];
-        dmpi->planes[2]=mpi->planes[2];
-        dmpi->stride[0]=mpi->stride[0];
-        dmpi->stride[1]=mpi->stride[1];
-        dmpi->stride[2]=mpi->stride[2];
-        dmpi->width=mpi->width;
-        dmpi->height=mpi->height;
-    }
-
-    if(vf->priv->shot) {
-        if (vf->priv->shot==1)
-            vf->priv->shot=0;
-        gen_fname(vf->priv);
-        if (vf->priv->fname[0]) {
-            if (!vf->priv->store_slices)
-              scale_image(vf->priv, dmpi);
-            write_png(vf->priv);
-        }
-        vf->priv->store_slices = 0;
-    }
-
-    return vf_next_put_image(vf, dmpi, pts);
-}
-
-static int control (vf_instance_t *vf, int request, void *data)
-{
-    /** data contains an integer argument
-     * 0: take screenshot with the next frame
-     * 1: take screenshots with each frame until the same command is given once again
-     **/
-    if(request==VFCTRL_SCREENSHOT) {
-        if (data && *(int*)data) { // repeated screenshot mode
-            if (vf->priv->shot==2)
-                vf->priv->shot=0;
-            else
-                vf->priv->shot=2;
-        } else { // single screenshot
-            if (!vf->priv->shot)
-                vf->priv->shot=1;
-        }
-        return CONTROL_TRUE;
-    }
-    return vf_next_control (vf, request, data);
-}
-
-
-//===========================================================================//
-
-static int query_format(struct vf_instance *vf, unsigned int fmt)
-{
-    switch(fmt){
-    case IMGFMT_YV12:
-    case IMGFMT_I420:
-    case IMGFMT_IYUV:
-    case IMGFMT_UYVY:
-    case IMGFMT_YUY2:
-    case IMGFMT_BGR32:
-    case IMGFMT_BGR24:
-    case IMGFMT_BGR16:
-    case IMGFMT_BGR15:
-    case IMGFMT_BGR12:
-    case IMGFMT_RGB32:
-    case IMGFMT_RGB24:
-    case IMGFMT_Y800:
-    case IMGFMT_Y8:
-    case IMGFMT_YVU9:
-    case IMGFMT_IF09:
-    case IMGFMT_444P:
-    case IMGFMT_422P:
-    case IMGFMT_411P:
-        return vf_next_query_format(vf, fmt);
-    }
-    return 0;
-}
-
-static void uninit(vf_instance_t *vf)
-{
-    avcodec_close(vf->priv->avctx);
-    av_freep(&vf->priv->avctx);
-    if(vf->priv->ctx) sws_freeContext(vf->priv->ctx);
-    av_free(vf->priv->buffer);
-    free(vf->priv->outbuffer);
-    free(vf->priv);
-}
-
-static int vf_open(vf_instance_t *vf, char *args)
-{
-    vf->config=config;
-    vf->control=control;
-    vf->put_image=put_image;
-    vf->query_format=query_format;
-    vf->start_slice=start_slice;
-    vf->draw_slice=draw_slice;
-    vf->get_image=get_image;
-    vf->uninit=uninit;
-    vf->priv=malloc(sizeof(struct vf_priv_s));
-    vf->priv->frameno=0;
-    vf->priv->shot=0;
-    vf->priv->store_slices=0;
-    vf->priv->buffer=0;
-    vf->priv->outbuffer=0;
-    vf->priv->ctx=0;
-    vf->priv->avctx = avcodec_alloc_context();
-    avcodec_register_all();
-    if (avcodec_open(vf->priv->avctx, avcodec_find_encoder(CODEC_ID_PNG))) {
-        mp_msg(MSGT_VFILTER, MSGL_FATAL, "Could not open libavcodec PNG encoder\n");
-        return 0;
-    }
-    return 1;
-}
-
-
-const vf_info_t vf_info_screenshot = {
-    "screenshot to file",
-    "screenshot",
-    "A'rpi, Jindrich Makovicka",
-    "",
-    vf_open,
-    NULL
-};
-
-//===========================================================================//

libavfilter/version.h

@@ -30,7 +30,7 @@
 
 #define LIBAVFILTER_VERSION_MAJOR  2
 #define LIBAVFILTER_VERSION_MINOR 72
-#define LIBAVFILTER_VERSION_MICRO 102
+#define LIBAVFILTER_VERSION_MICRO 103
 
 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
                                                LIBAVFILTER_VERSION_MINOR, \

libavfilter/vf_mp.c

@@ -169,7 +169,6 @@ extern const vf_info_t vf_info_rectangle;
 extern const vf_info_t vf_info_rotate;
 extern const vf_info_t vf_info_sab;
 extern const vf_info_t vf_info_scale;
-extern const vf_info_t vf_info_screenshot;
 extern const vf_info_t vf_info_smartblur;
 extern const vf_info_t vf_info_softpulldown;
 extern const vf_info_t vf_info_softskip;
@@ -226,7 +225,6 @@ static const vf_info_t* const filters[]={
     &vf_info_rectangle,
     &vf_info_rotate,
     &vf_info_sab,
-    &vf_info_screenshot,
     &vf_info_smartblur,
     &vf_info_softpulldown,
     &vf_info_softskip,