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d5d36f90c9
mpv/libvo/vo_jpeg.c
ivo d5d36f90c9 One-time cosmetics update. 
I finally got rid of the horrible one-space indentation. Changed it to four
spaces. Also changed all function calls, assignments, et cetera, to conform
to a certain 'standard'. Removed all trailing whitespace. No more tabs (width
can be different from editor to editor), it's all spaces now. Next
semi-cosmetics stop will be doxygen comments.

Tested: It compiles to exactly the same object as before. No functional
change has been made.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@13218 b3059339-0415-0410-9bf9-f77b7e298cf2
2004-09-01 02:31:24 +00:00

328 lines
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/* ------------------------------------------------------------------------- */
/*
* vo_jpeg.c, JPEG Renderer for MPlayer
*
*
* Changelog
*
* Original version: Copyright 2002 by Pontscho (pontscho@makacs.poliod.hu)
* 2003-04-25 Spring cleanup -- Alex
* 2004-08-04 Added multiple subdirectory support -- Ivo (ivop@euronet.nl)
* 2004-09-01 Cosmetics update -- Ivo
*
*/
/* ------------------------------------------------------------------------- */
/* Global Includes */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <jpeglib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
/* ------------------------------------------------------------------------- */
/* Local Includes */
#include "config.h"
#include "mp_msg.h"
#include "video_out.h"
#include "video_out_internal.h"
#include "mplayer.h" /* for exit_player() */
#include "help_mp.h"
/* ------------------------------------------------------------------------- */
/* Defines */
/* Used for temporary buffers to store file- and pathnames */
#define BUFLENGTH 512
/* ------------------------------------------------------------------------- */
/* Info */
static vo_info_t info=
{
"JPEG file",
"jpeg",
"Zoltan Ponekker (pontscho@makacs.poliod.hu)",
""
};
LIBVO_EXTERN (jpeg)
/* ------------------------------------------------------------------------- */
/* Global Variables */
static int image_width;
static int image_height;
int jpeg_baseline = 1;
int jpeg_progressive_mode = 0;
int jpeg_optimize = 100;
int jpeg_smooth = 0;
int jpeg_quality = 75;
char *jpeg_outdir = ".";
char *jpeg_subdirs = NULL;
int jpeg_maxfiles = 1000;
static int framenum = 0;
/* ------------------------------------------------------------------------- */
static uint32_t config(uint32_t width, uint32_t height, uint32_t d_width,
uint32_t d_height, uint32_t fullscreen, char *title,
uint32_t format)
{
char buf[BUFLENGTH];
struct stat stat_p;
/* Create outdir.
* If it already exists, test if it's a writable directory */
snprintf(buf, BUFLENGTH, "%s", jpeg_outdir);
if ( mkdir(buf, 0755) < 0 ) {
switch (errno) { /* use switch in case other errors need to be caught
and handled in the future */
case EEXIST:
if ( stat(buf, &stat_p ) < 0 ) {
mp_msg(MSGT_VO, MSGL_ERR, "%s: %s: %s\n", info.short_name,
MSGTR_VO_JPEG_GenericError, strerror(errno) );
mp_msg(MSGT_VO, MSGL_ERR, "%s: %s %s\n", info.short_name,
MSGTR_VO_JPEG_UnableToAccess,buf);
exit_player(MSGTR_Exit_error);
}
if ( !S_ISDIR(stat_p.st_mode) ) {
mp_msg(MSGT_VO, MSGL_ERR, "%s: %s %s\n", info.short_name,
buf, MSGTR_VO_JPEG_ExistsButNoDirectory);
exit_player(MSGTR_Exit_error);
}
if ( !(stat_p.st_mode & S_IWUSR) ) {
mp_msg(MSGT_VO, MSGL_ERR, "%s: %s\n", info.short_name,
MSGTR_VO_JPEG_DirExistsButNotWritable);
exit_player(MSGTR_Exit_error);
}
mp_msg(MSGT_VO, MSGL_INFO, "%s: %s\n", info.short_name,
MSGTR_VO_JPEG_DirExistsAndIsWritable);
break;
default:
mp_msg(MSGT_VO, MSGL_ERR, "%s: %s: %s\n", info.short_name,
MSGTR_VO_JPEG_GenericError, strerror(errno) );
mp_msg(MSGT_VO, MSGL_ERR, "%s: %s\n", info.short_name,
MSGTR_VO_JPEG_CantCreateDirectory);
exit_player(MSGTR_Exit_error);
} /* end switch */
} else {
mp_msg(MSGT_VO, MSGL_INFO, "%s: %s\n", info.short_name,
MSGTR_VO_JPEG_DirectoryCreateSuccess);
} /* end if */
image_height = height;
image_width = width;
return 0;
}
/* ------------------------------------------------------------------------- */
static uint32_t jpeg_write(uint8_t * name, uint8_t * buffer)
{
FILE *outfile;
struct jpeg_compress_struct cinfo;
struct jpeg_error_mgr jerr;
JSAMPROW row_pointer[1];
int row_stride;
if ( !buffer ) return 1;
if ( (outfile = fopen(name, "wb") ) == NULL ) {
return 1;
}
cinfo.err = jpeg_std_error(&jerr);
jpeg_create_compress(&cinfo);
jpeg_stdio_dest(&cinfo, outfile);
cinfo.image_width = image_width;
cinfo.image_height = image_height;
cinfo.input_components = 3;
cinfo.in_color_space = JCS_RGB;
jpeg_set_defaults(&cinfo);
jpeg_set_quality(&cinfo,jpeg_quality, jpeg_baseline);
cinfo.optimize_coding = jpeg_optimize;
cinfo.smoothing_factor = jpeg_smooth;
if ( jpeg_progressive_mode ) {
jpeg_simple_progression(&cinfo);
}
jpeg_start_compress(&cinfo, TRUE);
row_stride = image_width * 3;
while (cinfo.next_scanline < cinfo.image_height) {
row_pointer[0] = &buffer[cinfo.next_scanline * row_stride];
(void)jpeg_write_scanlines(&cinfo, row_pointer,1);
}
jpeg_finish_compress(&cinfo);
fclose(outfile);
jpeg_destroy_compress(&cinfo);
return 0;
}
/* ------------------------------------------------------------------------- */
static uint32_t draw_frame(uint8_t *src[])
{
static uint32_t framecounter = 0, subdircounter = 0;
char buf[BUFLENGTH];
uint8_t *dst = src[0];
static char subdirname[BUFLENGTH] = "";
struct stat stat_p;
/* Start writing to new subdirectory after a certain amount of frames */
if ( framecounter == jpeg_maxfiles ) {
framecounter = 0;
}
/* If framecounter is zero (or reset to zero), increment subdirectory
* number and create the subdirectory.
* If jpeg_subdirs is not set, do nothing and resort to old behaviour. */
if ( !framecounter && jpeg_subdirs ) {
snprintf(subdirname, BUFLENGTH, "%s%08d", jpeg_subdirs,
++subdircounter);
snprintf(buf, BUFLENGTH, "%s/%s", jpeg_outdir, subdirname);
if ( mkdir(buf, 0755) < 0 ) {
switch (errno) { /* use switch in case other errors need to be
caught and handled in the future */
case EEXIST:
if ( stat(buf, &stat_p) < 0 ) {
mp_msg(MSGT_VO, MSGL_ERR, "%s: %s: %s\n",
info.short_name, MSGTR_VO_JPEG_GenericError,
strerror(errno) );
mp_msg(MSGT_VO, MSGL_ERR, "%s: %s %s\n",
info.short_name, MSGTR_VO_JPEG_UnableToAccess,
buf);
exit_player(MSGTR_Exit_error);
}
if ( !S_ISDIR(stat_p.st_mode) ) {
mp_msg(MSGT_VO, MSGL_ERR, "\n%s: %s %s\n",
info.short_name, buf,
MSGTR_VO_JPEG_ExistsButNoDirectory);
exit_player(MSGTR_Exit_error);
}
if ( !(stat_p.st_mode & S_IWUSR) ) {
mp_msg(MSGT_VO, MSGL_ERR, "\n%s: %s - %s\n",
info.short_name, buf,
MSGTR_VO_JPEG_DirExistsButNotWritable);
exit_player(MSGTR_Exit_error);
}
mp_msg(MSGT_VO, MSGL_INFO, "\n%s: %s - %s\n",
info.short_name, buf,
MSGTR_VO_JPEG_DirExistsAndIsWritable);
break;
default:
mp_msg(MSGT_VO, MSGL_ERR, "%s: %s: %s\n", info.short_name,
MSGTR_VO_JPEG_GenericError, strerror(errno) );
mp_msg(MSGT_VO, MSGL_ERR, "\n%s: %s - %s.\n",
info.short_name, buf,
MSGTR_VO_JPEG_CantCreateDirectory);
exit_player(MSGTR_Exit_error);
break;
}
} /* switch */
} /* if !framecounter && jpeg_subdirs */
framenum++;
/* snprintf the full pathname of the outputfile */
snprintf(buf, BUFLENGTH, "%s/%s/%08d.jpg", jpeg_outdir, subdirname,
framenum);
framecounter++;
return jpeg_write(buf, src[0]);
}
/* ------------------------------------------------------------------------- */
static void draw_osd(void)
{
}
/* ------------------------------------------------------------------------- */
static void flip_page (void)
{
}
/* ------------------------------------------------------------------------- */
static uint32_t draw_slice(uint8_t *src[], int stride[], int w, int h,
int x, int y)
{
return 0;
}
/* ------------------------------------------------------------------------- */
static uint32_t query_format(uint32_t format)
{
if (format == IMGFMT_RGB24) {
return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW;
}
return 0;
}
/* ------------------------------------------------------------------------- */
static void uninit(void)
{
}
/* ------------------------------------------------------------------------- */
static void check_events(void)
{
}
/* ------------------------------------------------------------------------- */
static uint32_t preinit(const char *arg)
{
return 0;
}
/* ------------------------------------------------------------------------- */
static uint32_t control(uint32_t request, void *data, ...)
{
switch (request) {
case VOCTRL_QUERY_FORMAT:
return query_format(*((uint32_t*)data));
}
return VO_NOTIMPL;
}
/* ------------------------------------------------------------------------- */
#undef BUFLENGTH
/* ------------------------------------------------------------------------- */
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