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Add graceful error handling to avcodec_get_pix_fmt_name() and avcodec_get_pix_fmt().

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Originally committed as revision 14513 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Peter Ross 2008-08-03 00:41:31 +00:00
parent a79db0f7c4
commit 42a45a03e7
1 changed files with 3 additions and 3 deletions
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4
libavcodec/imgconvert.c
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@ -390,7 +390,7 @@ void avcodec_get_chroma_sub_sample(int pix_fmt, int *h_shift, int *v_shift)
const char *avcodec_get_pix_fmt_name(int pix_fmt) const char *avcodec_get_pix_fmt_name(int pix_fmt)
{ {
if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB) if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB)
return "???"; return NULL;
else else
return pix_fmt_info[pix_fmt].name; return pix_fmt_info[pix_fmt].name;
} }
@ -401,8 +401,8 @@ enum PixelFormat avcodec_get_pix_fmt(const char* name)
for (i=0; i < PIX_FMT_NB; i++) for (i=0; i < PIX_FMT_NB; i++)
if (!strcmp(pix_fmt_info[i].name, name)) if (!strcmp(pix_fmt_info[i].name, name))
break;
return i; return i;
return PIX_FMT_NONE;
} }
void avcodec_pix_fmt_string (char *buf, int buf_size, int pix_fmt) void avcodec_pix_fmt_string (char *buf, int buf_size, int pix_fmt)