mirror of
https://github.com/mpv-player/mpv
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8d275a4b8d
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27539 b3059339-0415-0410-9bf9-f77b7e298cf2
599 lines
19 KiB
C
599 lines
19 KiB
C
/*
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* PPM/PGM/PGMYUV video output driver
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*
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* copyright (C) 2004, 2005 Ivo van Poorten
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer 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 along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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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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#include <sys/stat.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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/* ------------------------------------------------------------------------- */
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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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#define PNM_ASCII_MODE 0
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#define PNM_RAW_MODE 1
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#define PNM_TYPE_PPM 0
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#define PNM_TYPE_PGM 1
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#define PNM_TYPE_PGMYUV 2
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#define PNM_LINE_OF_ASCII "%03d %03d %03d %03d %03d %03d %03d %03d %03d %03d %03d %03d %03d %03d %03d\n"
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#define PNM_LINE15(a,b) a[b], a[b+1], a[b+2], a[b+3], a[b+4], a[b+5], a[b+6], \
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a[b+7], a[b+8], a[b+9], a[b+10], a[b+11], a[b+12], \
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a[b+13], a[b+14]
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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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"PPM/PGM/PGMYUV file",
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"pnm",
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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 (pnm)
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/* ------------------------------------------------------------------------- */
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/* Global Variables */
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int pnm_type = PNM_TYPE_PPM;
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int pnm_mode = PNM_RAW_MODE;
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char *pnm_outdir = NULL;
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char *pnm_subdirs = NULL;
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int pnm_maxfiles = 1000;
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char *pnm_file_extension = NULL;
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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 pnm_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.
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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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int ppm_type = 0, pgm_type = 0, pgmyuv_type = 0,
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raw_mode = 0, ascii_mode = 0;
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opt_t subopts[] = {
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{"ppm", OPT_ARG_BOOL, &ppm_type, NULL, 0},
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{"pgm", OPT_ARG_BOOL, &pgm_type, NULL, 0},
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{"pgmyuv", OPT_ARG_BOOL, &pgmyuv_type, NULL, 0},
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{"raw", OPT_ARG_BOOL, &raw_mode, NULL, 0},
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{"ascii", OPT_ARG_BOOL, &ascii_mode, NULL, 0},
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{"outdir", OPT_ARG_MSTRZ, &pnm_outdir, NULL, 0},
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{"subdirs", OPT_ARG_MSTRZ, &pnm_subdirs, NULL, 0},
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{"maxfiles", OPT_ARG_INT, &pnm_maxfiles, (opt_test_f)int_pos, 0},
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{NULL, 0, NULL, NULL, 0}
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};
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const char *info_message = NULL;
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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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pnm_maxfiles = 1000;
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pnm_outdir = strdup(".");
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pnm_subdirs = NULL;
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if (subopt_parse(arg, subopts) != 0) {
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return -1;
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}
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pnm_type = PNM_TYPE_PPM;
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pnm_mode = PNM_RAW_MODE;
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if (pgmyuv_type) pnm_type = PNM_TYPE_PGMYUV;
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if (pgm_type) pnm_type = PNM_TYPE_PGM;
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if (ppm_type) pnm_type = PNM_TYPE_PPM;
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if (ascii_mode) pnm_mode = PNM_ASCII_MODE;
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if (raw_mode) pnm_mode = PNM_RAW_MODE;
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switch (pnm_mode) {
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case PNM_ASCII_MODE:
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info_message = MSGTR_VO_PNM_ASCIIMode;
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break;
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case PNM_RAW_MODE:
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info_message = MSGTR_VO_PNM_RawMode;
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break;
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}
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mp_msg(MSGT_VO, MSGL_INFO, "%s: %s\n", info.short_name, info_message);
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switch (pnm_type) {
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case PNM_TYPE_PPM:
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info_message = MSGTR_VO_PNM_PPMType;
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break;
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case PNM_TYPE_PGM:
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info_message = MSGTR_VO_PNM_PGMType;
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break;
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case PNM_TYPE_PGMYUV:
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info_message = MSGTR_VO_PNM_PGMYUVType;
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break;
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}
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mp_msg(MSGT_VO, MSGL_INFO, "%s: %s\n", info.short_name, info_message);
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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 Create a directory.
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*
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* This function creates a directory. If it already exists, it tests if
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* it's a directory and not something else, and if it is, it tests whether
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* the directory is writable or not.
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*
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* \param buf Pointer to directory name.
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* \param verbose Verbose on success. If verbose is non-zero, it will print
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* a message if it was successful in creating the directory.
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*
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* \return nothing In case anything fails, the player will exit. If it
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* returns, everything went well.
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*/
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static void pnm_mkdir(char *buf, int verbose) {
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struct stat stat_p;
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/* Silly MING32 bug workaround */
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#ifndef __MINGW32__
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if ( mkdir(buf, 0755) < 0 ) {
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#else
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if ( mkdir(buf) < 0 ) {
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#endif
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switch (errno) { /* use switch in case other errors need to be caught
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and handled in the future */
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case EEXIST:
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if ( stat(buf, &stat_p ) < 0 ) {
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mp_msg(MSGT_VO, MSGL_ERR, "%s: %s: %s\n", info.short_name,
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MSGTR_VO_GenericError, strerror(errno) );
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mp_msg(MSGT_VO, MSGL_ERR, "%s: %s %s\n", info.short_name,
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MSGTR_VO_UnableToAccess,buf);
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exit_player(MSGTR_Exit_error);
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}
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if ( !S_ISDIR(stat_p.st_mode) ) {
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mp_msg(MSGT_VO, MSGL_ERR, "%s: %s %s\n", info.short_name,
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buf, MSGTR_VO_ExistsButNoDirectory);
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exit_player(MSGTR_Exit_error);
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}
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if ( !(stat_p.st_mode & S_IWUSR) ) {
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mp_msg(MSGT_VO, MSGL_ERR, "%s: %s - %s\n", info.short_name,
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buf, MSGTR_VO_DirExistsButNotWritable);
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exit_player(MSGTR_Exit_error);
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}
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if (strcmp(buf, ".") != 0) {
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mp_msg(MSGT_VO, MSGL_INFO, "%s: %s - %s\n", info.short_name,
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buf, MSGTR_VO_DirExistsAndIsWritable);
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}
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break;
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default:
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mp_msg(MSGT_VO, MSGL_ERR, "%s: %s: %s\n", info.short_name,
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MSGTR_VO_GenericError, strerror(errno) );
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mp_msg(MSGT_VO, MSGL_ERR, "%s: %s - %s\n", info.short_name,
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buf, MSGTR_VO_CantCreateDirectory);
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exit_player(MSGTR_Exit_error);
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} /* end switch */
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} else if ( verbose ) {
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mp_msg(MSGT_VO, MSGL_INFO, "%s: %s - %s\n", info.short_name,
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buf, MSGTR_VO_DirectoryCreateSuccess);
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} /* end if */
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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 determines the
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* width and height of the image(s) and creates the output directory.
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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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char buf[BUFLENGTH];
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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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/* Create outdir. */
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snprintf(buf, BUFLENGTH, "%s", pnm_outdir);
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pnm_mkdir(buf, 1); /* This function only returns if creation was
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successful. If not, the player will exit. */
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if (pnm_type == PNM_TYPE_PPM) {
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pnm_file_extension = strdup("ppm");
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} else if (pnm_type == PNM_TYPE_PGM) {
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pnm_file_extension = strdup("pgm");
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} else if (pnm_type == PNM_TYPE_PGMYUV) {
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pnm_file_extension = strdup("pgmyuv");
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}
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return 0;
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}
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/* ------------------------------------------------------------------------- */
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/** \brief Write PNM file to output file
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*
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* This function writes PPM, PGM or PGMYUV data to an output file, depending
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* on which type was selected on the commandline. pnm_type and pnm_mode are
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* global variables. Depending on which mode was selected, it will write
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* a RAW or an ASCII file.
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*
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* \param outfile Filedescriptor of output file.
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* \param mpi The image to write.
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*
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* \return none The player will exit if anything goes wrong.
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*/
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static void pnm_write_pnm(FILE *outfile, mp_image_t *mpi)
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{
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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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uint8_t *curline;
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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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unsigned int i, j;
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if (pnm_mode == PNM_RAW_MODE) {
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if (pnm_type == PNM_TYPE_PPM) {
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if ( fprintf(outfile, "P6\n%d %d\n255\n", w, h) < 0 )
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pnm_write_error();
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if ( fwrite(rgbimage, w * 3, h, outfile) < h ) pnm_write_error();
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} else if (pnm_type == PNM_TYPE_PGM) {
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if ( fprintf(outfile, "P5\n%d %d\n255\n", w, h) < 0 )
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pnm_write_error();
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for (i=0; i<h; i++) {
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if ( fwrite(planeY + i * strideY, w, 1, outfile) < 1 )
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pnm_write_error();
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}
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} else if (pnm_type == PNM_TYPE_PGMYUV) {
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if ( fprintf(outfile, "P5\n%d %d\n255\n", w, h*3/2) < 0 )
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pnm_write_error();
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for (i=0; i<h; i++) {
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if ( fwrite(planeY + i * strideY, w, 1, outfile) < 1 )
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pnm_write_error();
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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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if ( fwrite(planeU + i * strideU, w, 1, outfile) < 1 )
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pnm_write_error();
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if ( fwrite(planeV + i * strideV, w, 1, outfile) < 1 )
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pnm_write_error();
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}
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} /* end if pnm_type */
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} else if (pnm_mode == PNM_ASCII_MODE) {
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if (pnm_type == PNM_TYPE_PPM) {
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if ( fprintf(outfile, "P3\n%d %d\n255\n", w, h) < 0 )
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pnm_write_error();
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for (i=0; i <= w * h * 3 - 16 ; i += 15) {
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if ( fprintf(outfile, PNM_LINE_OF_ASCII,
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PNM_LINE15(rgbimage,i) ) < 0 ) pnm_write_error();
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}
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while (i < (w * h * 3) ) {
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if ( fprintf(outfile, "%03d ", rgbimage[i]) < 0 )
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pnm_write_error();
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i++;
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}
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if ( fputc('\n', outfile) < 0 ) pnm_write_error();
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} else if ( (pnm_type == PNM_TYPE_PGM) ||
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(pnm_type == PNM_TYPE_PGMYUV) ) {
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/* different header for pgm and pgmyuv. pgmyuv is 'higher' */
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if (pnm_type == PNM_TYPE_PGM) {
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if ( fprintf(outfile, "P2\n%d %d\n255\n", w, h) < 0 )
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pnm_write_error();
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} else { /* PNM_TYPE_PGMYUV */
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if ( fprintf(outfile, "P2\n%d %d\n255\n", w, h*3/2) < 0 )
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pnm_write_error();
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}
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/* output Y plane for both PGM and PGMYUV */
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for (j=0; j<h; j++) {
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curline = planeY + strideY * j;
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for (i=0; i <= w - 16; i+=15) {
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if ( fprintf(outfile, PNM_LINE_OF_ASCII,
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PNM_LINE15(curline,i) ) < 0 ) pnm_write_error();
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}
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while (i < w ) {
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if ( fprintf(outfile, "%03d ", curline[i]) < 0 )
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pnm_write_error();
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i++;
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}
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if ( fputc('\n', outfile) < 0 ) pnm_write_error();
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}
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/* also output U and V planes fpr PGMYUV */
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if (pnm_type == PNM_TYPE_PGMYUV) {
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w = w / 2;
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h = h / 2;
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for (j=0; j<h; j++) {
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curline = planeU + strideU * j;
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for (i=0; i<= w-16; i+=15) {
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if ( fprintf(outfile, PNM_LINE_OF_ASCII,
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PNM_LINE15(curline,i) ) < 0 ) pnm_write_error();
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}
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while (i < w ) {
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if ( fprintf(outfile, "%03d ", curline[i]) < 0 )
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pnm_write_error();
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i++;
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}
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if ( fputc('\n', outfile) < 0 ) pnm_write_error();
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curline = planeV + strideV * j;
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for (i=0; i<= w-16; i+=15) {
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if ( fprintf(outfile, PNM_LINE_OF_ASCII,
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PNM_LINE15(curline,i) ) < 0 ) pnm_write_error();
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}
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while (i < w ) {
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if ( fprintf(outfile, "%03d ", curline[i]) < 0 )
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pnm_write_error();
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i++;
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}
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if ( fputc('\n', outfile) < 0 ) pnm_write_error();
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}
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}
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} /* end if pnm_type */
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} /* end if pnm_mode */
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}
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/* ------------------------------------------------------------------------- */
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/** \brief Write a PNM image.
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*
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* This function gets called first if a PNM image has to be written to disk.
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* It contains the subdirectory framework and it calls pnm_write_pnm() to
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* actually write the image to disk.
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*
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* \param mpi The image to write.
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*
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* \return none The player will exit if anything goes wrong.
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*/
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static void pnm_write_image(mp_image_t *mpi)
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{
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static int framenum = 0, framecounter = 0, subdircounter = 0;
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char buf[BUFLENGTH];
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static char subdirname[BUFLENGTH] = "";
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FILE *outfile;
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if (!mpi) {
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mp_msg(MSGT_VO, MSGL_ERR, "%s: No image data suplied to video output driver\n", info.short_name );
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exit_player(MSGTR_Exit_error);
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}
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/* Start writing to new subdirectory after a certain amount of frames */
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if ( framecounter == pnm_maxfiles ) {
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framecounter = 0;
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}
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/* If framecounter is zero (or reset to zero), increment subdirectory
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* number and create the subdirectory.
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* If pnm_subdirs is not set, do nothing. */
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if ( !framecounter && pnm_subdirs ) {
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subdircounter++;
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snprintf(subdirname, BUFLENGTH, "%s%08d", pnm_subdirs, subdircounter);
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snprintf(buf, BUFLENGTH, "%s/%s", pnm_outdir, subdirname);
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pnm_mkdir(buf, 0); /* This function only returns if creation was
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successful. If not, the player will exit. */
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}
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framenum++;
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framecounter++;
|
|
|
|
/* snprintf the full pathname of the outputfile */
|
|
snprintf(buf, BUFLENGTH, "%s/%s/%08d.%s", pnm_outdir, subdirname,
|
|
framenum, pnm_file_extension);
|
|
|
|
if ( (outfile = fopen(buf, "wb") ) == NULL ) {
|
|
mp_msg(MSGT_VO, MSGL_ERR, "\n%s: %s\n", info.short_name,
|
|
MSGTR_VO_CantCreateFile);
|
|
mp_msg(MSGT_VO, MSGL_ERR, "%s: %s: %s\n",
|
|
info.short_name, MSGTR_VO_GenericError,
|
|
strerror(errno) );
|
|
exit_player(MSGTR_Exit_error);
|
|
}
|
|
|
|
pnm_write_pnm(outfile, mpi);
|
|
|
|
fclose(outfile);
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
static uint32_t draw_image(mp_image_t *mpi)
|
|
{
|
|
if (mpi->flags & MP_IMGFLAG_PLANAR) { /* Planar */
|
|
if (mpi->flags & MP_IMGFLAG_YUV) { /* Planar YUV */
|
|
pnm_write_image(mpi);
|
|
return VO_TRUE;
|
|
} else { /* Planar RGB */
|
|
return VO_FALSE;
|
|
}
|
|
} else { /* Packed */
|
|
if (mpi->flags & MP_IMGFLAG_YUV) { /* Packed YUV */
|
|
return VO_FALSE;
|
|
} else { /* Packed RGB */
|
|
pnm_write_image(mpi);
|
|
return VO_TRUE;
|
|
}
|
|
}
|
|
|
|
return VO_FALSE;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
static int draw_frame(uint8_t *src[])
|
|
{
|
|
mp_msg(MSGT_VO, MSGL_V, "%s: draw_frame() is called!\n", info.short_name);
|
|
return -1;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
static int draw_slice(uint8_t *src[], int stride[], int w, int h,
|
|
int x, int y)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
static int query_format(uint32_t format)
|
|
{
|
|
/* Ensure that for PPM we get Packed RGB and for PGM(YUV) we get
|
|
* Planar YUV */
|
|
if (pnm_type == PNM_TYPE_PPM) {
|
|
if (format == IMGFMT_RGB24) {
|
|
return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW;
|
|
}
|
|
} else if ( (pnm_type == PNM_TYPE_PGM) || (pnm_type == PNM_TYPE_PGMYUV) ) {
|
|
if (format == IMGFMT_YV12) {
|
|
return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
static int control(uint32_t request, void *data, ...)
|
|
{
|
|
switch (request) {
|
|
case VOCTRL_QUERY_FORMAT:
|
|
return query_format(*((uint32_t*)data));
|
|
case VOCTRL_DRAW_IMAGE:
|
|
return draw_image(data);
|
|
}
|
|
return VO_NOTIMPL;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
static void uninit(void)
|
|
{
|
|
if (pnm_subdirs) {
|
|
free(pnm_subdirs);
|
|
pnm_subdirs = NULL;
|
|
}
|
|
if (pnm_outdir) {
|
|
free(pnm_outdir);
|
|
pnm_outdir = NULL;
|
|
}
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
static void check_events(void)
|
|
{
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
static void draw_osd(void)
|
|
{
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
static void flip_page (void)
|
|
{
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
#undef BUFLENGTH
|
|
#undef PNM_RAW_MODE
|
|
#undef PNM_ASCII_MODE
|
|
#undef PNM_TYPE_PPM
|
|
#undef PNM_TYPE_PGM
|
|
#undef PNM_TYPE_PGMYUV
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|