diff options
Diffstat (limited to 'gui/bitmap.c')
| -rw-r--r-- | gui/bitmap.c | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/gui/bitmap.c b/gui/bitmap.c deleted file mode 100644 index b61c3c90cf..0000000000 --- a/gui/bitmap.c +++ /dev/null @@ -1,187 +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 "mp_msg.h" -#include "help_mp.h" -#include "bitmap.h" -#include "libavcodec/avcodec.h" -#include "libavutil/intreadwrite.h" -#include "libvo/fastmemcpy.h" - -static int pngRead( unsigned char * fname,txSample * bf ) -{ - int decode_ok; - void *data; - int len; - AVCodecContext *avctx; - AVFrame *frame; - - FILE *fp=fopen( fname,"rb" ); - if ( !fp ) - { - mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[png] file read error ( %s )\n",fname ); - return 1; - } - - fseek(fp, 0, SEEK_END); - len = ftell(fp); - if (len > 50 * 1024 * 1024) return 2; - data = av_malloc(len + FF_INPUT_BUFFER_PADDING_SIZE); - fseek(fp, 0, SEEK_SET); - fread(data, len, 1, fp); - fclose(fp); - avctx = avcodec_alloc_context(); - frame = avcodec_alloc_frame(); - avcodec_register_all(); - avcodec_open(avctx, avcodec_find_decoder(CODEC_ID_PNG)); - avcodec_decode_video(avctx, frame, &decode_ok, data, len); - memset(bf, 0, sizeof(*bf)); - switch (avctx->pix_fmt) { - case PIX_FMT_GRAY8: bf->BPP = 8; break; - case PIX_FMT_GRAY16BE: bf->BPP = 16; break; - case PIX_FMT_RGB24: bf->BPP = 24; break; - case PIX_FMT_BGRA: - case PIX_FMT_ARGB: bf->BPP = 32; break; - default: bf->BPP = 0; break; - } - if (decode_ok && bf->BPP) { - int bpl; - bf->Width = avctx->width; bf->Height = avctx->height; - bpl = bf->Width * (bf->BPP / 8); - bf->ImageSize = bpl * bf->Height; - bf->Image = malloc(bf->ImageSize); - memcpy_pic(bf->Image, frame->data[0], bpl, bf->Height, bpl, frame->linesize[0]); - } - avcodec_close(avctx); - av_freep(&frame); - av_freep(&avctx); - av_freep(&data); - - mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[png] filename: %s.\n",fname ); - mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[png] size: %dx%d bits: %d\n",bf->Width,bf->Height,bf->BPP ); - mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[png] imagesize: %lu\n",bf->ImageSize ); - return !(decode_ok && bf->BPP); -} - -static int conv24to32( txSample * bf ) -{ - unsigned char * tmpImage; - int i,c; - - if ( bf->BPP == 24 ) - { - tmpImage=bf->Image; - bf->ImageSize=bf->Width * bf->Height * 4; - bf->BPP=32; - if ( ( bf->Image=calloc( 1, bf->ImageSize ) ) == NULL ) - { - free( tmpImage ); - mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[bitmap] not enough memory for image\n" ); - return 1; - } - for ( c=0,i=0; c < bf->ImageSize; c += 4, i += 3) - { - *(uint32_t *)&bf->Image[c] = AV_RB24(&tmpImage[i]); - } - free( tmpImage ); - } - return 0; -} - -static void Normalize( txSample * bf ) -{ - int i; -#if !HAVE_BIGENDIAN - for ( i=0;i < (int)bf->ImageSize;i+=4 ) bf->Image[i+3]=0; -#else - for ( i=0;i < (int)bf->ImageSize;i+=4 ) bf->Image[i]=0; -#endif -} - -static unsigned char tmp[512]; - -static unsigned char * fExist( unsigned char * fname ) -{ - FILE * fl; - unsigned char ext[][6] = { ".png\0",".PNG\0" }; - int i; - - fl=fopen( fname,"rb" ); - if ( fl != NULL ) - { - fclose( fl ); - return fname; - } - for ( i=0;i<2;i++ ) - { - snprintf( tmp,511,"%s%s",fname,ext[i] ); - fl=fopen( tmp,"rb" ); - if ( fl != NULL ) - { - fclose( fl ); - return tmp; - } - } - return NULL; -} - -int bpRead( char * fname, txSample * bf ) -{ - fname=fExist( fname ); - if ( fname == NULL ) return -2; - if ( pngRead( fname,bf ) ) - { - mp_dbg( MSGT_GPLAYER,MSGL_FATAL,"[bitmap] unknown file type ( %s )\n",fname ); - return -5; - } - if ( bf->BPP < 24 ) - { - mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[bitmap] Sorry, only 24 and 32 bpp bitmaps are supported.\n" ); - return -1; - } - if ( conv24to32( bf ) ) return -8; - Normalize( bf ); - return 0; -} - -void Convert32to1( txSample * in,txSample * out,int adaptivlimit ) -{ - out->Width=in->Width; - out->Height=in->Height; - out->BPP=1; - out->ImageSize=(out->Width * out->Height + 7) / 8; - mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[c32to1] imagesize: %d\n",out->ImageSize ); - out->Image=calloc( 1,out->ImageSize ); - if ( out->Image == NULL ) mp_msg( MSGT_GPLAYER,MSGL_WARN,MSGTR_NotEnoughMemoryC32To1 ); - { - int i,b,c=0; unsigned int * buf = NULL; unsigned char tmp = 0; int nothaveshape = 1; - buf=(unsigned int *)in->Image; - for ( b=0,i=0;i < (int)(out->Width * out->Height);i++ ) - { - if ( (int)buf[i] != adaptivlimit ) tmp=( tmp >> 1 )|128; - else { tmp=tmp >> 1; buf[i]=nothaveshape=0; } - if ( b++ == 7 ) { out->Image[c++]=tmp; tmp=b=0; } - } - if ( b ) out->Image[c]=tmp; - if ( nothaveshape ) { free( out->Image ); out->Image=NULL; } - } -} |