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remove useless #ifdef CONFIG_ZLIB from zmbv decoder

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Originally committed as revision 9708 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2007-07-16 21:05:16 +00:00
parent 1fc44ed69e
commit 19b95df09e
1 changed files with 3 additions and 25 deletions
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28
libavcodec/zmbv.c
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@ -29,9 +29,7 @@
#include "avcodec.h"
#ifdef CONFIG_ZLIB
#include <zlib.h>
#endif
#define ZMBV_KEYFRAME 1
#define ZMBV_DELTAPAL 2
@ -66,9 +64,7 @@ typedef struct ZmbvContext {
int flags;
int bw, bh, bx, by;
int decomp_len;
#ifdef CONFIG_ZLIB
z_stream zstream;
#endif
int (*decode_intra)(struct ZmbvContext *c);
int (*decode_xor)(struct ZmbvContext *c);
} ZmbvContext;
@ -399,9 +395,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8
{
ZmbvContext * const c = avctx->priv_data;
uint8_t *outptr;
#ifdef CONFIG_ZLIB
int zret = Z_OK; // Zlib return code
#endif
int len = buf_size;
int hi_ver, lo_ver;
@ -473,16 +467,13 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8
av_log(avctx, AV_LOG_ERROR, "Unsupported (for now) format %i\n", c->fmt);
return -1;
}
#ifdef CONFIG_ZLIB
zret = inflateReset(&c->zstream);
if (zret != Z_OK) {
av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret);
return -1;
}
#else
av_log(avctx, AV_LOG_ERROR, "BUG! Zlib support not compiled in frame decoder.\n");
return -1;
#endif /* CONFIG_ZLIB */
c->cur = av_realloc(c->cur, avctx->width * avctx->height * (c->bpp / 8));
c->prev = av_realloc(c->prev, avctx->width * avctx->height * (c->bpp / 8));
c->bx = (c->width + c->bw - 1) / c->bw;
@ -498,7 +489,6 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8
memcpy(c->decomp_buf, buf, len);
c->decomp_size = 1;
} else { // ZLIB-compressed data
#ifdef CONFIG_ZLIB
c->zstream.total_in = c->zstream.total_out = 0;
c->zstream.next_in = buf;
c->zstream.avail_in = len;
@ -506,10 +496,6 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8
c->zstream.avail_out = c->decomp_size;
inflate(&c->zstream, Z_FINISH);
c->decomp_len = c->zstream.total_out;
#else
av_log(avctx, AV_LOG_ERROR, "BUG! Zlib support not compiled in frame decoder.\n");
return -1;
#endif
}
if(c->flags & ZMBV_KEYFRAME) {
c->pic.key_frame = 1;
@ -618,13 +604,9 @@ static int decode_init(AVCodecContext *avctx)
}
c->bpp = avctx->bits_per_sample;
#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
avctx->pix_fmt = PIX_FMT_RGB24;
c->decomp_size = (avctx->width + 255) * 4 * (avctx->height + 64);
@ -636,7 +618,6 @@ static int decode_init(AVCodecContext *avctx)
}
}
#ifdef CONFIG_ZLIB
c->zstream.zalloc = Z_NULL;
c->zstream.zfree = Z_NULL;
c->zstream.opaque = Z_NULL;
@ -645,7 +626,6 @@ static int decode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_ERROR, "Inflate init error: %d\n", zret);
return 1;
}
#endif
return 0;
}
@ -665,9 +645,7 @@ static int decode_end(AVCodecContext *avctx)
if (c->pic.data[0])
avctx->release_buffer(avctx, &c->pic);
#ifdef CONFIG_ZLIB
inflateEnd(&(c->zstream));
#endif
av_freep(&c->cur);
av_freep(&c->prev);