fft: avoid a signed overflow

[ffmpeg] / libavcodec / dvbsubdec.c

diff --git a/libavcodec/dvbsubdec.c b/libavcodec/dvbsubdec.c
index 66659ae63770ab98f237d2d7ea808c484379caa5..aef2c08f30df9c9eeac33bfbd42373201439c25f 100644 (file)
--- a/libavcodec/dvbsubdec.c
+++ b/libavcodec/dvbsubdec.c
@@ -35,6 +35,7 @@
 
 #ifdef DEBUG
 #undef fprintf
+#undef perror
 #if 0
 static void png_save(const char *filename, uint8_t *bitmap, int w, int h,
                      uint32_t *rgba_palette)
@@ -49,7 +50,7 @@ static void png_save(const char *filename, uint8_t *bitmap, int w, int h,
     f = fopen(fname, "w");
     if (!f) {
         perror(fname);
-        exit(1);
+        return;
     }
     fprintf(f, "P6\n"
             "%d %d\n"
@@ -71,7 +72,7 @@ static void png_save(const char *filename, uint8_t *bitmap, int w, int h,
     f = fopen(fname2, "w");
     if (!f) {
         perror(fname2);
-        exit(1);
+        return;
     }
     fprintf(f, "P5\n"
             "%d %d\n"
@@ -105,7 +106,7 @@ static void png_save2(const char *filename, uint32_t *bitmap, int w, int h)
     f = fopen(fname, "w");
     if (!f) {
         perror(fname);
-        exit(1);
+        return;
     }
     fprintf(f, "P6\n"
             "%d %d\n"
@@ -127,7 +128,7 @@ static void png_save2(const char *filename, uint32_t *bitmap, int w, int h)
     f = fopen(fname2, "w");
     if (!f) {
         perror(fname2);
-        exit(1);
+        return;
     }
     fprintf(f, "P5\n"
             "%d %d\n"
@@ -1463,13 +1464,12 @@ static int dvbsub_decode(AVCodecContext *avctx,
 
 
 AVCodec ff_dvbsub_decoder = {
-    "dvbsub",
-    AVMEDIA_TYPE_SUBTITLE,
-    CODEC_ID_DVB_SUBTITLE,
-    sizeof(DVBSubContext),
-    dvbsub_init_decoder,
-    NULL,
-    dvbsub_close_decoder,
-    dvbsub_decode,
+    .name           = "dvbsub",
+    .type           = AVMEDIA_TYPE_SUBTITLE,
+    .id             = CODEC_ID_DVB_SUBTITLE,
+    .priv_data_size = sizeof(DVBSubContext),
+    .init           = dvbsub_init_decoder,
+    .close          = dvbsub_close_decoder,
+    .decode         = dvbsub_decode,
     .long_name = NULL_IF_CONFIG_SMALL("DVB subtitles"),
 };