mirror of
https://github.com/mpv-player/mpv
synced 2024-12-15 11:25:10 +00:00
2bf8c692f1
This is not possible for xover and anything supporting vidix due to horrible hacks. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25248 b3059339-0415-0410-9bf9-f77b7e298cf2
318 lines
8.8 KiB
C
318 lines
8.8 KiB
C
/* ------------------------------------------------------------------------- */
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/*
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* vo_md5sum.c, md5sum Video Output Driver for MPlayer
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*
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* Written by Ivo van Poorten. (C) Copyright 2004, 2005, 2006.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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/* ------------------------------------------------------------------------- */
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/* Global Includes */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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/* ------------------------------------------------------------------------- */
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/* Local Includes */
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#include "config.h"
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#include "subopt-helper.h"
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#include "mp_msg.h"
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#include "video_out.h"
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#include "video_out_internal.h"
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#include "mplayer.h" /* for exit_player() */
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#include "help_mp.h"
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#ifdef USE_LIBAVUTIL_SO
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#include "ffmpeg/md5.h"
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#else
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#include "libavutil/md5.h"
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#endif
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/* ------------------------------------------------------------------------- */
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/* Defines */
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/* Used for temporary buffers to store file- and pathnames */
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#define BUFLENGTH 512
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/* ------------------------------------------------------------------------- */
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/* Info */
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static const vo_info_t info=
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{
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"md5sum of each frame",
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"md5sum",
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"Ivo van Poorten (ivop@euronet.nl)",
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""
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};
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const LIBVO_EXTERN (md5sum)
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/* ------------------------------------------------------------------------- */
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/* Global Variables */
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char *md5sum_outfile = NULL;
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FILE *md5sum_fd;
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int framenum = 0;
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/* ------------------------------------------------------------------------- */
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/** \brief An error occured while writing to a file.
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*
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* The program failed to write data to a file.
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* It displays a message and exits the player.
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*
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* \return nothing It does not return.
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*/
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static void md5sum_write_error(void) {
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mp_msg(MSGT_VO, MSGL_ERR, MSGTR_ErrorWritingFile, info.short_name);
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exit_player(MSGTR_Exit_error);
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}
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/* ------------------------------------------------------------------------- */
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/** \brief Pre-initialisation.
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*
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* This function is called before initialising the video output driver. It
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* parses all suboptions and sets variables accordingly. If an error occurs
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* (like an option being out of range, not having any value or an unknown
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* option is stumbled upon) the player will exit. It also sets default
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* values if necessary.
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*
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* \param arg A string containing all the suboptions passed to the video
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* output driver.
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*
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* \return 0 All went well.
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*/
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static int preinit(const char *arg)
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{
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opt_t subopts[] = {
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{"outfile", OPT_ARG_MSTRZ, &md5sum_outfile, NULL, 0},
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{NULL, 0, NULL, NULL, 0}
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};
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mp_msg(MSGT_VO, MSGL_INFO, "%s: %s\n", info.short_name,
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MSGTR_VO_ParsingSuboptions);
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md5sum_outfile = strdup("md5sums");
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if (subopt_parse(arg, subopts) != 0) {
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return -1;
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}
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mp_msg(MSGT_VO, MSGL_V, "%s: outfile --> %s\n", info.short_name,
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md5sum_outfile);
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mp_msg(MSGT_VO, MSGL_INFO, "%s: %s\n", info.short_name,
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MSGTR_VO_SuboptionsParsedOK);
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return 0;
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}
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/* ------------------------------------------------------------------------- */
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/** \brief Configure the video output driver.
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*
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* This functions configures the video output driver. It opens the output
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* file to which this driver will write all the MD5 sums. If something
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* goes wrong, the player will exit.
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*
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* \return 0 All went well.
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*/
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static int config(uint32_t width, uint32_t height, uint32_t d_width,
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uint32_t d_height, uint32_t flags, char *title,
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uint32_t format)
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{
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if (vo_config_count > 0 ) { /* Already configured */
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return 0;
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}
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if ( (md5sum_fd = fopen(md5sum_outfile, "w") ) == NULL ) {
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mp_msg(MSGT_VO, MSGL_ERR, "\n%s: %s\n", info.short_name,
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MSGTR_VO_CantCreateFile);
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mp_msg(MSGT_VO, MSGL_ERR, "%s: %s: %s\n",
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info.short_name, MSGTR_VO_GenericError, strerror(errno) );
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exit_player(MSGTR_Exit_error);
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}
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return 0;
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}
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/* ------------------------------------------------------------------------- */
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/** \brief Write MD5 sum to output file.
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*
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* This function writes an ASCII representation of a 16-byte hexadecimal
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* MD5 sum to our output file. The file descriptor is a global variable.
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*
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* \param md5sum Sixteen bytes that represent an MD5 sum.
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*
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* \return None The player will exit if a write error occurs.
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*/
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static void md5sum_output_sum(unsigned char *md5sum) {
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int i;
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for(i=0; i<16; i++) {
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if ( fprintf(md5sum_fd, "%02x", md5sum[i]) < 0 ) md5sum_write_error();
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}
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if ( fprintf(md5sum_fd, " frame%08d\n", framenum) < 0 )
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md5sum_write_error();
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framenum++;
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}
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/* ------------------------------------------------------------------------- */
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static int draw_frame(uint8_t *src[])
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{
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mp_msg(MSGT_VO, MSGL_V, "%s: draw_frame() is called!\n", info.short_name);
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return -1;
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}
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/* ------------------------------------------------------------------------- */
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static uint32_t draw_image(mp_image_t *mpi)
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{
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unsigned char md5sum[16];
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uint32_t w = mpi->w;
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uint32_t h = mpi->h;
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uint8_t *rgbimage = mpi->planes[0];
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uint8_t *planeY = mpi->planes[0];
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uint8_t *planeU = mpi->planes[1];
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uint8_t *planeV = mpi->planes[2];
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uint32_t strideY = mpi->stride[0];
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uint32_t strideU = mpi->stride[1];
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uint32_t strideV = mpi->stride[2];
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uint8_t md5_context_memory[av_md5_size];
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struct AVMD5 *md5_context = (struct AVMD5*) md5_context_memory;
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unsigned int i;
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if (mpi->flags & MP_IMGFLAG_PLANAR) { /* Planar */
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if (mpi->flags & MP_IMGFLAG_YUV) { /* Planar YUV */
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av_md5_init(md5_context);
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for (i=0; i<h; i++) {
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av_md5_update(md5_context, planeY + i * strideY, w);
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}
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w = w / 2;
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h = h / 2;
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for (i=0; i<h; i++) {
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av_md5_update(md5_context, planeU + i * strideU, w);
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av_md5_update(md5_context, planeV + i * strideV, w);
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}
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av_md5_final(md5_context, md5sum);
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md5sum_output_sum(md5sum);
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return VO_TRUE;
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} else { /* Planar RGB */
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return VO_FALSE;
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}
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} else { /* Packed */
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if (mpi->flags & MP_IMGFLAG_YUV) { /* Packed YUV */
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return VO_FALSE;
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} else { /* Packed RGB */
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av_md5_sum(md5sum, rgbimage, mpi->w * (mpi->bpp >> 3) * mpi->h);
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md5sum_output_sum(md5sum);
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return VO_TRUE;
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}
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}
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return VO_FALSE;
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}
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/* ------------------------------------------------------------------------- */
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static int draw_slice(uint8_t *src[], int stride[], int w, int h,
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int x, int y)
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{
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return 0;
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}
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/* ------------------------------------------------------------------------- */
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static int query_format(uint32_t format)
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{
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switch (format) {
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case IMGFMT_RGB24:
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case IMGFMT_YV12:
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return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW;
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default:
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return 0;
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}
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}
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/* ------------------------------------------------------------------------- */
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static int control(uint32_t request, void *data, ...)
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{
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switch (request) {
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case VOCTRL_QUERY_FORMAT:
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return query_format(*((uint32_t*)data));
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case VOCTRL_DRAW_IMAGE:
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return draw_image(data);
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}
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return VO_NOTIMPL;
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}
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/* ------------------------------------------------------------------------- */
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static void uninit(void)
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{
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if (md5sum_outfile) {
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free(md5sum_outfile);
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md5sum_outfile = NULL;
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}
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if (md5sum_fd) fclose(md5sum_fd);
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}
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/* ------------------------------------------------------------------------- */
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static void check_events(void)
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{
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}
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/* ------------------------------------------------------------------------- */
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static void draw_osd(void)
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{
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}
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/* ------------------------------------------------------------------------- */
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static void flip_page (void)
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{
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}
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/* ------------------------------------------------------------------------- */
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#undef BUFLENGTH
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#undef MD5SUM_RGB_MODE
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#undef MD5SUM_YUV_MODE
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/* ------------------------------------------------------------------------- */
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