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
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2eef7c6259
commit
590bd200dd
@ -41,9 +41,7 @@
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#include "avcodec.h"
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#include "msrledec.h"
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#ifdef CONFIG_ZLIB
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#include <zlib.h>
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#endif
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/*
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@ -61,9 +59,7 @@ typedef struct TsccContext {
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// Decompression buffer
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unsigned char* decomp_buf;
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int height;
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#ifdef CONFIG_ZLIB
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z_stream zstream;
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#endif
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} CamtasiaContext;
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/*
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@ -76,9 +72,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, const
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CamtasiaContext * const c = avctx->priv_data;
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const unsigned char *encoded = buf;
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unsigned char *outptr;
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#ifdef CONFIG_ZLIB
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int zret; // Zlib return code
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#endif
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int len = buf_size;
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if(c->pic.data[0])
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@ -93,7 +87,6 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, const
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outptr = c->pic.data[0]; // Output image pointer
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#ifdef CONFIG_ZLIB
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zret = inflateReset(&(c->zstream));
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if (zret != Z_OK) {
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av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret);
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@ -123,11 +116,6 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, const
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}
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}
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#else
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av_log(avctx, AV_LOG_ERROR, "BUG! Zlib support not compiled in frame decoder.\n");
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return -1;
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#endif
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*data_size = sizeof(AVFrame);
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*(AVFrame*)data = c->pic;
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@ -156,13 +144,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
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return 1;
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}
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#ifdef CONFIG_ZLIB
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// Needed if zlib unused or init aborted before inflateInit
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memset(&(c->zstream), 0, sizeof(z_stream));
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#else
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av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled.\n");
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return 1;
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#endif
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switch(avctx->bits_per_coded_sample){
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case 8: avctx->pix_fmt = PIX_FMT_PAL8; break;
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case 16: avctx->pix_fmt = PIX_FMT_RGB555; break;
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@ -184,7 +167,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
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}
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}
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#ifdef CONFIG_ZLIB
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c->zstream.zalloc = Z_NULL;
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c->zstream.zfree = Z_NULL;
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c->zstream.opaque = Z_NULL;
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@ -193,7 +175,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
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av_log(avctx, AV_LOG_ERROR, "Inflate init error: %d\n", zret);
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return 1;
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}
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#endif
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return 0;
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}
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@ -213,9 +194,7 @@ static av_cold int decode_end(AVCodecContext *avctx)
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if (c->pic.data[0])
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avctx->release_buffer(avctx, &c->pic);
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#ifdef CONFIG_ZLIB
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inflateEnd(&(c->zstream));
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#endif
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return 0;
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}
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