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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-11-21 10:55:51 +02:00

remove useless ifdeffery, tscc won't do anything useful without zlib

Originally committed as revision 15711 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2008-10-25 18:37:50 +00:00
parent 2eef7c6259
commit 590bd200dd

View File

@ -41,9 +41,7 @@
#include "avcodec.h"
#include "msrledec.h"
#ifdef CONFIG_ZLIB
#include <zlib.h>
#endif
/*
@ -61,9 +59,7 @@ typedef struct TsccContext {
// Decompression buffer
unsigned char* decomp_buf;
int height;
#ifdef CONFIG_ZLIB
z_stream zstream;
#endif
} CamtasiaContext;
/*
@ -76,9 +72,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, const
CamtasiaContext * const c = avctx->priv_data;
const unsigned char *encoded = buf;
unsigned char *outptr;
#ifdef CONFIG_ZLIB
int zret; // Zlib return code
#endif
int len = buf_size;
if(c->pic.data[0])
@ -93,7 +87,6 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, const
outptr = c->pic.data[0]; // Output image pointer
#ifdef CONFIG_ZLIB
zret = inflateReset(&(c->zstream));
if (zret != Z_OK) {
av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret);
@ -123,11 +116,6 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, const
}
}
#else
av_log(avctx, AV_LOG_ERROR, "BUG! Zlib support not compiled in frame decoder.\n");
return -1;
#endif
*data_size = sizeof(AVFrame);
*(AVFrame*)data = c->pic;
@ -156,13 +144,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
return 1;
}
#ifdef CONFIG_ZLIB
// Needed if zlib unused or init aborted before inflateInit
memset(&(c->zstream), 0, sizeof(z_stream));
#else
av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled.\n");
return 1;
#endif
switch(avctx->bits_per_coded_sample){
case 8: avctx->pix_fmt = PIX_FMT_PAL8; break;
case 16: avctx->pix_fmt = PIX_FMT_RGB555; break;
@ -184,7 +167,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
}
}
#ifdef CONFIG_ZLIB
c->zstream.zalloc = Z_NULL;
c->zstream.zfree = Z_NULL;
c->zstream.opaque = Z_NULL;
@ -193,7 +175,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_ERROR, "Inflate init error: %d\n", zret);
return 1;
}
#endif
return 0;
}
@ -213,9 +194,7 @@ static av_cold int decode_end(AVCodecContext *avctx)
if (c->pic.data[0])
avctx->release_buffer(avctx, &c->pic);
#ifdef CONFIG_ZLIB
inflateEnd(&(c->zstream));
#endif
return 0;
}