From 2cda0429aa764d157569d7534777c58dac8a4962 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Sun, 25 Mar 2012 11:12:04 +0000 Subject: lavfi: remove screenshot libmpcodecs wrapper The filter is useless. Signed-off-by: Paul B Mahol Signed-off-by: Michael Niedermayer --- libavfilter/libmpcodecs/vf_screenshot.c | 322 -------------------------------- 1 file changed, 322 deletions(-) delete mode 100644 libavfilter/libmpcodecs/vf_screenshot.c (limited to 'libavfilter/libmpcodecs') diff --git a/libavfilter/libmpcodecs/vf_screenshot.c b/libavfilter/libmpcodecs/vf_screenshot.c deleted file mode 100644 index 82b345b446..0000000000 --- a/libavfilter/libmpcodecs/vf_screenshot.c +++ /dev/null @@ -1,322 +0,0 @@ -/* - * 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 -#include -#if HAVE_MALLOC_H -#include -#endif -#include -#include - -#include -#include -#include - -#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 -}; - -//===========================================================================// -- cgit v1.2.3