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ffprobe: Fix null pointer dereference with color primaries

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Found-by: AD-lab of venustech
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-08-22 11:02:38 +02:00
parent 2b44dcbc44
commit 837cb4325b
1 changed files with 12 additions and 8 deletions
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20
ffprobe.c
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@ -1925,6 +1925,16 @@ static void print_pkt_side_data(WriterContext *w,
writer_print_section_footer(w);
}
static void print_primaries(WriterContext *w, enum AVColorPrimaries color_primaries)
{
const char *val = av_color_primaries_name(color_primaries);
if (!val || color_primaries == AVCOL_PRI_UNSPECIFIED) {
print_str_opt("color_primaries", "unknown");
} else {
print_str("color_primaries", val);
}
}
static void clear_log(int need_lock)
{
int i;
@ -2116,10 +2126,7 @@ static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
else
print_str_opt("color_space", av_color_space_name(frame->colorspace));
if (frame->color_primaries != AVCOL_PRI_UNSPECIFIED)
print_str("color_primaries", av_color_primaries_name(frame->color_primaries));
else
print_str_opt("color_primaries", av_color_primaries_name(frame->color_primaries));
print_primaries(w, frame->color_primaries);
if (frame->color_trc != AVCOL_TRC_UNSPECIFIED)
print_str("color_transfer", av_color_transfer_name(frame->color_trc));
@ -2516,10 +2523,7 @@ static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_id
else
print_str_opt("color_transfer", av_color_transfer_name(par->color_trc));
if (par->color_primaries != AVCOL_PRI_UNSPECIFIED)
print_str("color_primaries", av_color_primaries_name(par->color_primaries));
else
print_str_opt("color_primaries", av_color_primaries_name(par->color_primaries));
print_primaries(w, par->color_primaries);
if (par->chroma_location != AVCHROMA_LOC_UNSPECIFIED)
print_str("chroma_location", av_chroma_location_name(par->chroma_location));