Get rid of #ifdef CONFIG_ZLIB in the code. Code cleanup.

Originally committed as revision 7597 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/allcodecs.c

@@ -65,7 +65,9 @@ void avcodec_register_all(void)
     REGISTER_DECODER(EIGHTBPS, eightbps);
     REGISTER_ENCDEC (FFV1, ffv1);
     REGISTER_ENCDEC (FFVHUFF, ffvhuff);
+#ifdef CONFIG_ZLIB
     REGISTER_DECODER(FLASHSV, flashsv);
+#endif
     REGISTER_DECODER(FLIC, flic);
     REGISTER_ENCDEC (FLV, flv);
     REGISTER_DECODER(FOURXM, fourxm);

libavcodec/flashsv.c

@@ -49,15 +49,12 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <zlib.h>
 
 #include "common.h"
 #include "avcodec.h"
 #include "bitstream.h"
 
-#ifdef CONFIG_ZLIB
-#include <zlib.h>
-#endif
-
 typedef struct FlashSVContext {
     AVCodecContext *avctx;
     AVFrame frame;
@@ -65,9 +62,7 @@ typedef struct FlashSVContext {
     int block_width, block_height;
     uint8_t* tmpblock;
     int block_size;
-#ifdef CONFIG_ZLIB
     z_stream zstream;
-#endif
 } FlashSVContext;
 
 
@@ -90,7 +85,6 @@ static int flashsv_decode_init(AVCodecContext *avctx)
     int zret; // Zlib return code
 
     s->avctx = avctx;
-#ifdef CONFIG_ZLIB
     s->zstream.zalloc = Z_NULL;
     s->zstream.zfree = Z_NULL;
     s->zstream.opaque = Z_NULL;
@@ -99,10 +93,6 @@ static int flashsv_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. Needed for the decoder.\n");
-    return 1;
-#endif
     avctx->pix_fmt = PIX_FMT_BGR24;
     avctx->has_b_frames = 0;
     s->frame.data[0] = NULL;
@@ -198,7 +188,6 @@ static int flashsv_decode_frame(AVCodecContext *avctx,
                 /* no change, don't do anything */
             } else {
                 /* decompress block */
-#ifdef CONFIG_ZLIB
                 int ret = inflateReset(&(s->zstream));
                 if (ret != Z_OK)
                 {
@@ -222,10 +211,6 @@ static int flashsv_decode_frame(AVCodecContext *avctx,
                     av_log(avctx, AV_LOG_ERROR, "error in decompression of block %dx%d: %d\n", i, j, ret);
                     /* return -1; */
                 }
-#else
-                av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled in.\n");
-                return -1;
-#endif
                 copy_region(s->tmpblock, s->frame.data[0], s->image_height-(hp+hs+1), wp, hs, ws, s->frame.linesize[0]);
                 skip_bits(&gb, 8*size);   /* skip the consumed bits */
             }
@@ -247,9 +232,7 @@ static int flashsv_decode_frame(AVCodecContext *avctx,
 static int flashsv_decode_end(AVCodecContext *avctx)
 {
     FlashSVContext *s = (FlashSVContext *)avctx->priv_data;
-#ifdef CONFIG_ZLIB
     inflateEnd(&(s->zstream));
-#endif
     /* release the frame if needed */
     if (s->frame.data[0])
         avctx->release_buffer(avctx, &s->frame);