mirror of
https://github.com/mpv-player/mpv
synced 2024-12-22 23:02:37 +00:00
3cb89b0765
Use -noaspect if you want Square-Px AR for anamorphic content (old behaviour). Note: Many applications might ignore these settings, but they matter for print design and video editing (Tested with Photoshop). git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@17437 b3059339-0415-0410-9bf9-f77b7e298cf2
415 lines
13 KiB
C
415 lines
13 KiB
C
/* ------------------------------------------------------------------------- */
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/*
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* vo_jpeg.c, JPEG Renderer for MPlayer
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*
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*
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* Changelog
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*
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* Original version: Copyright 2002 by Pontscho (pontscho@makacs.poliod.hu)
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* 2003-04-25 Spring cleanup -- Alex
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* 2004-08-04 Added multiple subdirectory support -- Ivo (ivop@euronet.nl)
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* 2004-09-01 Cosmetics update -- Ivo
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* 2004-09-05 Added suboptions parser -- Ivo
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* 2005-01-16 Replaced suboption parser by call to subopt-helper --Ivo
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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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#include <jpeglib.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.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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/* ------------------------------------------------------------------------- */
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/* Info */
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static vo_info_t info=
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{
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"JPEG file",
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"jpeg",
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"Zoltan Ponekker (pontscho@makacs.poliod.hu)",
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""
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};
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LIBVO_EXTERN (jpeg)
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/* ------------------------------------------------------------------------- */
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/* Global Variables */
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static int image_width;
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static int image_height;
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static int image_d_width;
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static int image_d_height;
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int jpeg_baseline = 1;
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int jpeg_progressive_mode = 0;
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int jpeg_optimize = 100;
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int jpeg_smooth = 0;
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int jpeg_quality = 75;
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int jpeg_dpi = 72; /** Screen resolution = 72 dpi */
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char *jpeg_outdir = NULL;
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char *jpeg_subdirs = NULL;
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int jpeg_maxfiles = 1000;
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static int framenum = 0;
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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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void jpeg_mkdir(char *buf, int verbose) {
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struct stat stat_p;
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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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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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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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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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/* Create outdir. */
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snprintf(buf, BUFLENGTH, "%s", jpeg_outdir);
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jpeg_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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image_height = height;
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image_width = width;
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/* Save for JFIF-Header PAR */
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image_d_width = d_width;
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image_d_height = d_height;
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return 0;
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}
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/* ------------------------------------------------------------------------- */
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static uint32_t jpeg_write(uint8_t * name, uint8_t * buffer)
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{
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FILE *outfile;
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struct jpeg_compress_struct cinfo;
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struct jpeg_error_mgr jerr;
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JSAMPROW row_pointer[1];
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int row_stride;
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if ( !buffer ) return 1;
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if ( (outfile = fopen(name, "wb") ) == 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,
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strerror(errno) );
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exit_player(MSGTR_Exit_error);
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}
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cinfo.err = jpeg_std_error(&jerr);
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jpeg_create_compress(&cinfo);
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jpeg_stdio_dest(&cinfo, outfile);
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cinfo.image_width = image_width;
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cinfo.image_height = image_height;
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cinfo.input_components = 3;
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cinfo.in_color_space = JCS_RGB;
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jpeg_set_defaults(&cinfo);
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/* Important: Header info must be set AFTER jpeg_set_defaults() */
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cinfo.write_JFIF_header = TRUE;
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cinfo.JFIF_major_version = 1;
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cinfo.JFIF_minor_version = 2;
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cinfo.density_unit = 1; /* 0=unknown, 1=dpi, 2=dpcm */
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/* Image DPI is determined by Y_density, so we leave that at
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jpeg_dpi if possible and crunch X_density instead (PAR > 1) */
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cinfo.X_density = jpeg_dpi*image_width/image_d_width;
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cinfo.Y_density = jpeg_dpi*image_height/image_d_height;
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cinfo.write_Adobe_marker = TRUE;
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jpeg_set_quality(&cinfo,jpeg_quality, jpeg_baseline);
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cinfo.optimize_coding = jpeg_optimize;
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cinfo.smoothing_factor = jpeg_smooth;
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if ( jpeg_progressive_mode ) {
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jpeg_simple_progression(&cinfo);
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}
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jpeg_start_compress(&cinfo, TRUE);
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row_stride = image_width * 3;
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while (cinfo.next_scanline < cinfo.image_height) {
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row_pointer[0] = &buffer[cinfo.next_scanline * row_stride];
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(void)jpeg_write_scanlines(&cinfo, row_pointer,1);
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}
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jpeg_finish_compress(&cinfo);
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fclose(outfile);
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jpeg_destroy_compress(&cinfo);
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return 0;
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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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static int framecounter = 0, subdircounter = 0;
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char buf[BUFLENGTH];
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static char subdirname[BUFLENGTH] = "";
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/* Start writing to new subdirectory after a certain amount of frames */
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if ( framecounter == jpeg_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 jpeg_subdirs is not set, do nothing and resort to old behaviour. */
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if ( !framecounter && jpeg_subdirs ) {
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subdircounter++;
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snprintf(subdirname, BUFLENGTH, "%s%08d", jpeg_subdirs, subdircounter);
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snprintf(buf, BUFLENGTH, "%s/%s", jpeg_outdir, subdirname);
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jpeg_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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/* snprintf the full pathname of the outputfile */
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snprintf(buf, BUFLENGTH, "%s/%s/%08d.jpg", jpeg_outdir, subdirname,
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framenum);
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framecounter++;
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return jpeg_write(buf, src[0]);
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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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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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if (format == IMGFMT_RGB24) {
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return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW;
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}
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return 0;
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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 (jpeg_subdirs) {
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free(jpeg_subdirs);
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jpeg_subdirs = NULL;
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}
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if (jpeg_outdir) {
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free(jpeg_outdir);
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jpeg_outdir = NULL;
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}
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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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/** \brief Validation function for values [0-100]
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*/
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static int int_zero_hundred(int *val)
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{
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if ( (*val >=0) && (*val<=100) )
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return 1;
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return 0;
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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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{"progressive", OPT_ARG_BOOL, &jpeg_progressive_mode, NULL, 0},
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{"baseline", OPT_ARG_BOOL, &jpeg_baseline, NULL, 0},
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{"optimize", OPT_ARG_INT, &jpeg_optimize,
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(opt_test_f)int_zero_hundred, 0},
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{"smooth", OPT_ARG_INT, &jpeg_smooth,
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(opt_test_f)int_zero_hundred, 0},
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{"quality", OPT_ARG_INT, &jpeg_quality,
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(opt_test_f)int_zero_hundred, 0},
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{"dpi", OPT_ARG_INT, &jpeg_dpi, NULL, 0},
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{"outdir", OPT_ARG_MSTRZ, &jpeg_outdir, NULL, 0},
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{"subdirs", OPT_ARG_MSTRZ, &jpeg_subdirs, NULL, 0},
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{"maxfiles", OPT_ARG_INT, &jpeg_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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jpeg_progressive_mode = 0;
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jpeg_baseline = 1;
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jpeg_optimize = 100;
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jpeg_smooth = 0;
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jpeg_quality = 75;
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jpeg_maxfiles = 1000;
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jpeg_outdir = strdup(".");
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jpeg_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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if (jpeg_progressive_mode) info_message = MSGTR_VO_JPEG_ProgressiveJPEG;
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else info_message = MSGTR_VO_JPEG_NoProgressiveJPEG;
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mp_msg(MSGT_VO, MSGL_INFO, "%s: %s\n", info.short_name, info_message);
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if (jpeg_baseline) info_message = MSGTR_VO_JPEG_BaselineJPEG;
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else info_message = MSGTR_VO_JPEG_NoBaselineJPEG;
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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_V, "%s: optimize --> %d\n", info.short_name,
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jpeg_optimize);
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mp_msg(MSGT_VO, MSGL_V, "%s: smooth --> %d\n", info.short_name,
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jpeg_smooth);
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mp_msg(MSGT_VO, MSGL_V, "%s: quality --> %d\n", info.short_name,
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jpeg_quality);
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mp_msg(MSGT_VO, MSGL_V, "%s: dpi --> %d\n", info.short_name,
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jpeg_dpi);
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mp_msg(MSGT_VO, MSGL_V, "%s: outdir --> %s\n", info.short_name,
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jpeg_outdir);
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if (jpeg_subdirs) {
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mp_msg(MSGT_VO, MSGL_V, "%s: subdirs --> %s\n", info.short_name,
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jpeg_subdirs);
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mp_msg(MSGT_VO, MSGL_V, "%s: maxfiles --> %d\n", info.short_name,
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jpeg_maxfiles);
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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_SuboptionsParsedOK);
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return 0;
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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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}
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return VO_NOTIMPL;
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}
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/* ------------------------------------------------------------------------- */
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#undef BUFLENGTH
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/* ------------------------------------------------------------------------- */
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