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Diffstat (limited to 'libmpcodecs/vd_ijpg.c')
-rw-r--r--libmpcodecs/vd_ijpg.c197
1 files changed, 0 insertions, 197 deletions
diff --git a/libmpcodecs/vd_ijpg.c b/libmpcodecs/vd_ijpg.c
deleted file mode 100644
index 2bfefb405d..0000000000
--- a/libmpcodecs/vd_ijpg.c
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- * This file is part of MPlayer.
- *
- * MPlayer is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * MPlayer is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with MPlayer; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "config.h"
-#include "mp_msg.h"
-
-#include <jpeglib.h>
-#define UINT16 IJPG_UINT16
-#define INT16 IJPG_INT16
-
-#include <setjmp.h>
-
-#include "mpbswap.h"
-
-#include "vd_internal.h"
-
-static const vd_info_t info = {
- "JPEG Images decoder",
- "ijpg",
- "Pontscho",
- "based on vd_mpng.c",
- "uses Independent JPEG Group's jpeglib"
-};
-
-LIBVD_EXTERN(ijpg)
-
-static int last_w=-1;
-static int last_h=-1;
-static int last_depth=-1;
-
-// to set/get/query special features/parameters
-static int control(sh_video_t *sh,int cmd,void* arg,...){
- if (cmd == VDCTRL_QUERY_FORMAT) {
- int format = *(int *)arg;
- if ((last_depth == 24 && format == IMGFMT_RGB24) ||
- (last_depth == 8 && format == IMGFMT_Y8 ))
- return CONTROL_TRUE;
- return CONTROL_FALSE;
- }
- return CONTROL_UNKNOWN;
-}
-
-// init driver
-static int init(sh_video_t *sh){
- last_w=-1;
- return 1;
-}
-
-// uninit driver
-static void uninit(sh_video_t *sh){
-}
-
-//mp_image_t* mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag, int w, int h);
-
-typedef struct
-{
- struct jpeg_source_mgr pub;
- unsigned char * inbuf;
- int bufsize;
-} my_source_mgr;
-
-typedef my_source_mgr * my_src_ptr;
-
-METHODDEF(void) init_source (j_decompress_ptr cinfo)
-{
-}
-
-METHODDEF(boolean) fill_input_buffer (j_decompress_ptr cinfo)
-{
- my_src_ptr src = (my_src_ptr) cinfo->src;
- src->pub.next_input_byte = src->inbuf;
- src->pub.bytes_in_buffer = src->bufsize;
- return TRUE;
-}
-
-METHODDEF(void) skip_input_data (j_decompress_ptr cinfo, long num_bytes)
-{
- my_src_ptr src = (my_src_ptr) cinfo->src;
-
- if (num_bytes > 0)
- {
- while (num_bytes > (long) src->pub.bytes_in_buffer)
- {
- num_bytes -= (long) src->pub.bytes_in_buffer;
- (void) fill_input_buffer(cinfo);
- }
- src->pub.next_input_byte += (size_t) num_bytes;
- src->pub.bytes_in_buffer -= (size_t) num_bytes;
- }
-}
-
-METHODDEF(void) term_source (j_decompress_ptr cinfo) { }
-
-static void jpeg_buf_src (j_decompress_ptr cinfo, char * inbuf, int bufsize)
-{
- my_src_ptr src;
- if (cinfo->src == NULL) cinfo->src=malloc( sizeof( my_source_mgr ) );
- src = (my_src_ptr) cinfo->src;
- src->pub.init_source = init_source;
- src->pub.fill_input_buffer = fill_input_buffer;
- src->pub.skip_input_data = skip_input_data;
- src->pub.resync_to_restart = jpeg_resync_to_restart;
- src->pub.term_source = term_source;
- src->inbuf = inbuf;
- src->bufsize=bufsize;
- src->pub.bytes_in_buffer = 0;
- src->pub.next_input_byte = NULL;
-}
-
-struct my_error_mgr
-{
- struct jpeg_error_mgr pub;
- jmp_buf setjmp_buffer;
-};
-
-typedef struct my_error_mgr * my_error_ptr;
-
-METHODDEF(void) my_error_exit (j_common_ptr cinfo)
-{
- my_error_ptr myerr=(my_error_ptr) cinfo->err;
- (*cinfo->err->output_message) (cinfo);
- longjmp(myerr->setjmp_buffer, 1);
-}
-
-// decode a frame
-static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
- struct jpeg_decompress_struct cinfo;
- struct my_error_mgr jerr;
- mp_image_t * mpi = NULL;
- int width,height,depth,i;
-
- if ( len <= 0 ) return NULL; // skipped frame
-
- memset(&cinfo, 0, sizeof(cinfo));
- memset(&jerr, 0, sizeof(jerr));
- cinfo.err=jpeg_std_error( &jerr.pub );
- jerr.pub.error_exit=my_error_exit;
- if( setjmp( jerr.setjmp_buffer ) )
- {
- mp_msg( MSGT_DECVIDEO,MSGL_ERR,"[ijpg] setjmp error ...\n" );
- return NULL;
- }
-
- jpeg_create_decompress( &cinfo );
- jpeg_buf_src( &cinfo,data,len );
- jpeg_read_header( &cinfo,TRUE );
- sh->disp_w=width=cinfo.image_width;
- sh->disp_h=height=cinfo.image_height;
- jpeg_start_decompress( &cinfo );
- depth=cinfo.output_components * 8;
-
- switch( depth ) {
- case 8:
- case 24: break;
- default: mp_msg( MSGT_DECVIDEO,MSGL_ERR,"Sorry, unsupported JPEG colorspace: %d.\n",depth ); return NULL;
- }
-
- if ( last_w!=width || last_h!=height || last_depth != depth )
- {
- last_depth = depth;
- if(!mpcodecs_config_vo( sh,width,height, depth == 8 ? IMGFMT_Y8 : IMGFMT_RGB24 )) return NULL;
- last_w=width; last_h=height;
- }
-
- mpi=mpcodecs_get_image( sh,MP_IMGTYPE_TEMP,MP_IMGFLAG_ACCEPT_STRIDE,width,height );
- if ( !mpi ) return NULL;
-
- for ( i=0;i < height;i++ )
- {
- unsigned char * drow = mpi->planes[0] + mpi->stride[0] * i;
- jpeg_read_scanlines( &cinfo,(JSAMPLE**)&drow,1 );
- }
-
- jpeg_finish_decompress(&cinfo);
- jpeg_destroy_decompress(&cinfo);
-
- return mpi;
-}