mirror of
https://github.com/mpv-player/mpv
synced 2024-12-11 09:25:56 +00:00
e965e29432
libvo/vo_png.c:67: warning: implicit declaration of function 'exit_player' git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27687 b3059339-0415-0410-9bf9-f77b7e298cf2
299 lines
8.0 KiB
C
299 lines
8.0 KiB
C
/*
|
|
* vo_png.c, Portable Network Graphics Renderer for MPlayer
|
|
*
|
|
* Copyright 2001 by Felix Buenemann <atmosfear@users.sourceforge.net>
|
|
*
|
|
* Uses libpng (which uses zlib), so see according licenses.
|
|
*
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
|
|
#include <png.h>
|
|
|
|
#include "config.h"
|
|
#include "mp_msg.h"
|
|
#include "mp_msg.h"
|
|
#include "help_mp.h"
|
|
#include "video_out.h"
|
|
#include "video_out_internal.h"
|
|
#include "subopt-helper.h"
|
|
#include "mplayer.h"
|
|
|
|
#define BUFLENGTH 512
|
|
|
|
static const vo_info_t info =
|
|
{
|
|
"PNG file",
|
|
"png",
|
|
"Felix Buenemann <atmosfear@users.sourceforge.net>",
|
|
""
|
|
};
|
|
|
|
const LIBVO_EXTERN (png)
|
|
|
|
static int z_compression = Z_NO_COMPRESSION;
|
|
static char *png_outdir = NULL;
|
|
static int framenum = 0;
|
|
|
|
struct pngdata {
|
|
FILE * fp;
|
|
png_structp png_ptr;
|
|
png_infop info_ptr;
|
|
enum {OK,ERROR} status;
|
|
};
|
|
|
|
static void png_mkdir(char *buf, int verbose) {
|
|
struct stat stat_p;
|
|
|
|
#ifndef __MINGW32__
|
|
if ( mkdir(buf, 0755) < 0 ) {
|
|
#else
|
|
if ( mkdir(buf) < 0 ) {
|
|
#endif
|
|
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_GenericError, strerror(errno) );
|
|
mp_msg(MSGT_VO, MSGL_ERR, "%s: %s %s\n", info.short_name,
|
|
MSGTR_VO_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_ExistsButNoDirectory);
|
|
exit_player(MSGTR_Exit_error);
|
|
}
|
|
if ( !(stat_p.st_mode & S_IWUSR) ) {
|
|
mp_msg(MSGT_VO, MSGL_ERR, "%s: %s - %s\n", info.short_name,
|
|
buf, MSGTR_VO_DirExistsButNotWritable);
|
|
exit_player(MSGTR_Exit_error);
|
|
}
|
|
|
|
mp_msg(MSGT_VO, MSGL_INFO, "%s: %s - %s\n", info.short_name,
|
|
buf, MSGTR_VO_DirExistsAndIsWritable);
|
|
break;
|
|
|
|
default:
|
|
mp_msg(MSGT_VO, MSGL_ERR, "%s: %s: %s\n", info.short_name,
|
|
MSGTR_VO_GenericError, strerror(errno) );
|
|
mp_msg(MSGT_VO, MSGL_ERR, "%s: %s - %s\n", info.short_name,
|
|
buf, MSGTR_VO_CantCreateDirectory);
|
|
exit_player(MSGTR_Exit_error);
|
|
} /* end switch */
|
|
} else if ( verbose ) {
|
|
mp_msg(MSGT_VO, MSGL_INFO, "%s: %s - %s\n", info.short_name,
|
|
buf, MSGTR_VO_DirectoryCreateSuccess);
|
|
} /* end if */
|
|
}
|
|
|
|
static int
|
|
config(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format)
|
|
{
|
|
char buf[BUFLENGTH];
|
|
|
|
if(z_compression == 0) {
|
|
mp_msg(MSGT_VO,MSGL_INFO, MSGTR_LIBVO_PNG_Warning1);
|
|
mp_msg(MSGT_VO,MSGL_INFO, MSGTR_LIBVO_PNG_Warning2);
|
|
mp_msg(MSGT_VO,MSGL_INFO, MSGTR_LIBVO_PNG_Warning3);
|
|
}
|
|
|
|
snprintf(buf, BUFLENGTH, "%s", png_outdir);
|
|
png_mkdir(buf, 1);
|
|
mp_msg(MSGT_VO,MSGL_DBG2, "PNG Compression level %i\n", z_compression);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static struct pngdata create_png (char * fname, int image_width, int image_height, int swapped)
|
|
{
|
|
struct pngdata png;
|
|
|
|
/*png_structp png_ptr = png_create_write_struct
|
|
(PNG_LIBPNG_VER_STRING, (png_voidp)user_error_ptr,
|
|
user_error_fn, user_warning_fn);*/
|
|
//png_byte *row_pointers[image_height];
|
|
png.png_ptr = png_create_write_struct
|
|
(PNG_LIBPNG_VER_STRING, NULL,
|
|
NULL, NULL);
|
|
png.info_ptr = png_create_info_struct(png.png_ptr);
|
|
|
|
if (!png.png_ptr) {
|
|
mp_msg(MSGT_VO,MSGL_DBG2, "PNG Failed to init png pointer\n");
|
|
png.status = ERROR;
|
|
return png;
|
|
}
|
|
|
|
if (!png.info_ptr) {
|
|
mp_msg(MSGT_VO,MSGL_DBG2, "PNG Failed to init png infopointer\n");
|
|
png_destroy_write_struct(&png.png_ptr,
|
|
(png_infopp)NULL);
|
|
png.status = ERROR;
|
|
return png;
|
|
}
|
|
|
|
if (setjmp(png.png_ptr->jmpbuf)) {
|
|
mp_msg(MSGT_VO,MSGL_DBG2, "PNG Internal error!\n");
|
|
png_destroy_write_struct(&png.png_ptr, &png.info_ptr);
|
|
fclose(png.fp);
|
|
png.status = ERROR;
|
|
return png;
|
|
}
|
|
|
|
png.fp = fopen (fname, "wb");
|
|
if (png.fp == NULL) {
|
|
mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_PNG_ErrorOpeningForWriting, strerror(errno));
|
|
png.status = ERROR;
|
|
return png;
|
|
}
|
|
|
|
mp_msg(MSGT_VO,MSGL_DBG2, "PNG Init IO\n");
|
|
png_init_io(png.png_ptr, png.fp);
|
|
|
|
/* set the zlib compression level */
|
|
png_set_compression_level(png.png_ptr, z_compression);
|
|
|
|
|
|
/*png_set_IHDR(png_ptr, info_ptr, width, height,
|
|
bit_depth, color_type, interlace_type,
|
|
compression_type, filter_type)*/
|
|
png_set_IHDR(png.png_ptr, png.info_ptr, image_width, image_height,
|
|
8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
|
|
PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
|
|
|
|
mp_msg(MSGT_VO,MSGL_DBG2, "PNG Write Info\n");
|
|
png_write_info(png.png_ptr, png.info_ptr);
|
|
|
|
if(swapped) {
|
|
mp_msg(MSGT_VO,MSGL_DBG2, "PNG Set BGR Conversion\n");
|
|
png_set_bgr(png.png_ptr);
|
|
}
|
|
|
|
png.status = OK;
|
|
return png;
|
|
}
|
|
|
|
static uint8_t destroy_png(struct pngdata png) {
|
|
|
|
mp_msg(MSGT_VO,MSGL_DBG2, "PNG Write End\n");
|
|
png_write_end(png.png_ptr, png.info_ptr);
|
|
|
|
mp_msg(MSGT_VO,MSGL_DBG2, "PNG Destroy Write Struct\n");
|
|
png_destroy_write_struct(&png.png_ptr, &png.info_ptr);
|
|
|
|
fclose (png.fp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static uint32_t draw_image(mp_image_t* mpi){
|
|
char buf[100];
|
|
int k;
|
|
struct pngdata png;
|
|
png_byte *row_pointers[mpi->h];
|
|
|
|
// if -dr or -slices then do nothing:
|
|
if(mpi->flags&(MP_IMGFLAG_DIRECT|MP_IMGFLAG_DRAW_CALLBACK)) return VO_TRUE;
|
|
|
|
snprintf (buf, 100, "%s/%08d.png", png_outdir, ++framenum);
|
|
|
|
png = create_png(buf, mpi->w, mpi->h, IMGFMT_IS_BGR(mpi->imgfmt));
|
|
|
|
if(png.status){
|
|
mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_PNG_ErrorInCreatePng);
|
|
return 1;
|
|
}
|
|
|
|
mp_msg(MSGT_VO,MSGL_DBG2, "PNG Creating Row Pointers\n");
|
|
for ( k = 0; k < mpi->h; k++ )
|
|
row_pointers[k] = mpi->planes[0]+mpi->stride[0]*k;
|
|
|
|
//png_write_flush(png.png_ptr);
|
|
//png_set_flush(png.png_ptr, nrows);
|
|
|
|
if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
|
|
mp_msg(MSGT_VO,MSGL_DBG2, "PNG Writing Image Data\n"); }
|
|
png_write_image(png.png_ptr, row_pointers);
|
|
|
|
destroy_png(png);
|
|
|
|
return VO_TRUE;
|
|
}
|
|
|
|
static void draw_osd(void){}
|
|
|
|
static void flip_page (void){}
|
|
|
|
static int draw_frame(uint8_t * src[])
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
static int draw_slice( uint8_t *src[],int stride[],int w,int h,int x,int y )
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
query_format(uint32_t format)
|
|
{
|
|
switch(format){
|
|
case IMGFMT_RGB|24:
|
|
case IMGFMT_BGR|24:
|
|
return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW|VFCAP_ACCEPT_STRIDE;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void uninit(void){
|
|
if (png_outdir) {
|
|
free(png_outdir);
|
|
png_outdir = NULL;
|
|
}
|
|
}
|
|
|
|
static void check_events(void){}
|
|
|
|
static int int_zero_to_nine(int *sh)
|
|
{
|
|
if ( (*sh < 0) || (*sh > 9) )
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
static opt_t subopts[] = {
|
|
{"z", OPT_ARG_INT, &z_compression, (opt_test_f)int_zero_to_nine},
|
|
{"outdir", OPT_ARG_MSTRZ, &png_outdir, NULL, 0},
|
|
{NULL}
|
|
};
|
|
|
|
static int preinit(const char *arg)
|
|
{
|
|
z_compression = 0;
|
|
png_outdir = strdup(".");
|
|
if (subopt_parse(arg, subopts) != 0) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int control(uint32_t request, void *data, ...)
|
|
{
|
|
switch (request) {
|
|
case VOCTRL_DRAW_IMAGE:
|
|
return draw_image(data);
|
|
case VOCTRL_QUERY_FORMAT:
|
|
return query_format(*((uint32_t*)data));
|
|
}
|
|
return VO_NOTIMPL;
|
|
}
|