sgidec: correct end pointer

[ffmpeg] / cmdutils.c

diff --git a/cmdutils.c b/cmdutils.c
index 295d95608e164cb66522db2687c137c26fd1ae8a..6859692e8bce76524ebdc1c6a7f42256803ceb1c 100644 (file)
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -168,8 +168,10 @@ void show_help_options(const OptionDef *options, const char *msg, int mask,
 void show_help_children(const AVClass *class, int flags)
 {
     const AVClass *child = NULL;
-    av_opt_show2(&class, NULL, flags, 0);
-    printf("\n");
+    if (class->option) {
+        av_opt_show2(&class, NULL, flags, 0);
+        printf("\n");
+    }
 
     while (child = av_opt_child_class_next(class, child))
         show_help_children(child, flags);
@@ -1094,7 +1096,7 @@ int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
     return ret;
 }
 
-AVDictionary *filter_codec_opts(AVDictionary *opts, enum CodecID codec_id,
+AVDictionary *filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id,
                                 AVFormatContext *s, AVStream *st, AVCodec *codec)
 {
     AVDictionary    *ret = NULL;
@@ -1227,7 +1229,7 @@ static int alloc_buffer(FrameBuffer **pool, AVCodecContext *s, FrameBuffer **pbu
     for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
         const int h_shift = i==0 ? 0 : h_chroma_shift;
         const int v_shift = i==0 ? 0 : v_chroma_shift;
-        if ((s->flags & CODEC_FLAG_EMU_EDGE) || !buf->linesize[1] || !buf->base[i])
+        if ((s->flags & CODEC_FLAG_EMU_EDGE) || !buf->linesize[i] || !buf->base[i])
             buf->data[i] = buf->base[i];
         else
             buf->data[i] = buf->base[i] +