[FFmpeg-cvslog] ffprobe: Fix NULL pointer handling in color parameter printing
Michael Niedermayer
git at videolan.org
Thu Aug 24 13:01:50 EEST 2017
ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Tue Aug 22 17:27:17 2017 +0200| [351e28f9a799d9bbbb33dd10c964dca7219fa13b] | committer: Michael Niedermayer
ffprobe: Fix NULL pointer handling in color parameter printing
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=351e28f9a799d9bbbb33dd10c964dca7219fa13b
---
ffprobe.c | 88 +++++++++++++++++++++++++++++++++++----------------------------
1 file changed, 49 insertions(+), 39 deletions(-)
diff --git a/ffprobe.c b/ffprobe.c
index d4bdd9c099..ba10563b9d 100644
--- a/ffprobe.c
+++ b/ffprobe.c
@@ -1925,6 +1925,26 @@ static void print_pkt_side_data(WriterContext *w,
writer_print_section_footer(w);
}
+static void print_color_range(WriterContext *w, enum AVColorRange color_range, const char *fallback)
+{
+ const char *val = av_color_range_name(color_range);
+ if (!val || color_range == AVCOL_RANGE_UNSPECIFIED) {
+ print_str_opt("color_range", fallback);
+ } else {
+ print_str("color_range", val);
+ }
+}
+
+static void print_color_space(WriterContext *w, enum AVColorSpace color_space)
+{
+ const char *val = av_color_space_name(color_space);
+ if (!val || color_space == AVCOL_SPC_UNSPECIFIED) {
+ print_str_opt("color_space", "unknown");
+ } else {
+ print_str("color_space", val);
+ }
+}
+
static void print_primaries(WriterContext *w, enum AVColorPrimaries color_primaries)
{
const char *val = av_color_primaries_name(color_primaries);
@@ -1935,6 +1955,27 @@ static void print_primaries(WriterContext *w, enum AVColorPrimaries color_primar
}
}
+static void print_color_trc(WriterContext *w, enum AVColorTransferCharacteristic color_trc)
+{
+ const char *val = av_color_transfer_name(color_trc);
+ if (!val || color_trc == AVCOL_TRC_UNSPECIFIED) {
+ print_str_opt("color_transfer", "unknown");
+ } else {
+ print_str("color_transfer", val);
+ }
+}
+
+static void print_chroma_location(WriterContext *w, enum AVChromaLocation chroma_location)
+{
+ const char *val = av_chroma_location_name(chroma_location);
+ if (!val || chroma_location == AVCHROMA_LOC_UNSPECIFIED) {
+ print_str_opt("chroma_location", "unspecified");
+ } else {
+ print_str("chroma_location", val);
+ }
+}
+
+
static void clear_log(int need_lock)
{
int i;
@@ -2116,27 +2157,11 @@ static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
print_int("top_field_first", frame->top_field_first);
print_int("repeat_pict", frame->repeat_pict);
- if (frame->color_range != AVCOL_RANGE_UNSPECIFIED)
- print_str("color_range", av_color_range_name(frame->color_range));
- else
- print_str_opt("color_range", av_color_range_name(frame->color_range));
-
- if (frame->colorspace != AVCOL_SPC_UNSPECIFIED)
- print_str("color_space", av_color_space_name(frame->colorspace));
- else
- print_str_opt("color_space", av_color_space_name(frame->colorspace));
-
+ print_color_range(w, frame->color_range, "unknown");
+ print_color_space(w, frame->colorspace);
print_primaries(w, frame->color_primaries);
-
- if (frame->color_trc != AVCOL_TRC_UNSPECIFIED)
- print_str("color_transfer", av_color_transfer_name(frame->color_trc));
- else
- print_str_opt("color_transfer", av_color_transfer_name(frame->color_trc));
-
- if (frame->chroma_location != AVCHROMA_LOC_UNSPECIFIED)
- print_str("chroma_location", av_chroma_location_name(frame->chroma_location));
- else
- print_str_opt("chroma_location", av_chroma_location_name(frame->chroma_location));
+ print_color_trc(w, frame->color_trc);
+ print_chroma_location(w, frame->chroma_location);
break;
case AVMEDIA_TYPE_AUDIO:
@@ -2508,27 +2533,12 @@ static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_id
if (s) print_str ("pix_fmt", s);
else print_str_opt("pix_fmt", "unknown");
print_int("level", par->level);
- if (par->color_range != AVCOL_RANGE_UNSPECIFIED)
- print_str ("color_range", av_color_range_name(par->color_range));
- else
- print_str_opt("color_range", "N/A");
-
- if (par->color_space != AVCOL_SPC_UNSPECIFIED)
- print_str("color_space", av_color_space_name(par->color_space));
- else
- print_str_opt("color_space", av_color_space_name(par->color_space));
-
- if (par->color_trc != AVCOL_TRC_UNSPECIFIED)
- print_str("color_transfer", av_color_transfer_name(par->color_trc));
- else
- print_str_opt("color_transfer", av_color_transfer_name(par->color_trc));
+ print_color_range(w, par->color_range, "N/A");
+ print_color_space(w, par->color_space);
+ print_color_trc(w, par->color_trc);
print_primaries(w, par->color_primaries);
-
- if (par->chroma_location != AVCHROMA_LOC_UNSPECIFIED)
- print_str("chroma_location", av_chroma_location_name(par->chroma_location));
- else
- print_str_opt("chroma_location", av_chroma_location_name(par->chroma_location));
+ print_chroma_location(w, par->chroma_location);
if (par->field_order == AV_FIELD_PROGRESSIVE)
print_str("field_order", "progressive");
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