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Code Issues Releases Activity

Get rid of unreachable code: avctx->codec_id == CODEC_ID_ZLIB is not possible

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here when the zlib decoder is disabled and libavcodec is used correctly.

Originally committed as revision 19036 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-05-31 09:19:21 +00:00
parent 56b44694bd
commit 75f6d6c7e6
1 changed files with 6 additions and 15 deletions
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21
libavcodec/lcldec.c
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@ -197,8 +197,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
return -1;
}
break;
case CODEC_ID_ZLIB:
#if CONFIG_ZLIB_DECODER
case CODEC_ID_ZLIB:
/* Using the original dll with normal compression (-1) and RGB format
* gives a file with ZLIB fourcc, but frame is really uncompressed.
* To be sure that's true check also frame size */
@ -266,11 +266,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
}
encoded = c->decomp_buf;
len = c->decomp_size;
#else
av_log(avctx, AV_LOG_ERROR, "BUG! Zlib support not compiled in frame decoder.\n");
return -1;
#endif
break;
#endif
default:
av_log(avctx, AV_LOG_ERROR, "BUG! Unknown codec in frame decoder compression switch.\n");
return -1;
@ -550,8 +547,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
return 1;
}
break;
case CODEC_ID_ZLIB:
#if CONFIG_ZLIB_DECODER
case CODEC_ID_ZLIB:
switch (c->compression) {
case COMP_ZLIB_HISPEED:
av_log(avctx, AV_LOG_INFO, "High speed compression.\n");
@ -569,11 +566,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
}
av_log(avctx, AV_LOG_INFO, "Compression level for ZLIB: (%d).\n", c->compression);
}
#else
av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled.\n");
return 1;
#endif
break;
#endif
default:
av_log(avctx, AV_LOG_ERROR, "BUG! Unknown codec in compression switch.\n");
return 1;
@ -599,8 +593,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_ERROR, "Unknown flag set (%d).\n", c->flags);
/* If needed init zlib */
if (avctx->codec_id == CODEC_ID_ZLIB) {
#if CONFIG_ZLIB_DECODER
if (avctx->codec_id == CODEC_ID_ZLIB) {
c->zstream.zalloc = Z_NULL;
c->zstream.zfree = Z_NULL;
c->zstream.opaque = Z_NULL;
@ -609,11 +603,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_ERROR, "Inflate init error: %d\n", zret);
return 1;
}
#else
av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled.\n");
return 1;
#endif
}
#endif
return 0;
}