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ffprobe: Fix NULL pointer handling in color parameter printing

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 351e28f9a7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-08-22 17:27:17 +02:00
parent cf838b8fd2
commit ffdc430c4a

View File

@ -1746,6 +1746,27 @@ static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id
return ret;
}
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);
@ -1756,6 +1777,26 @@ 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 show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
{
char val_str[128];
@ -2218,25 +2259,12 @@ 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", dec_ctx->level);
if (dec_ctx->color_range != AVCOL_RANGE_UNSPECIFIED)
print_str ("color_range", av_color_range_name(dec_ctx->color_range));
else
print_str_opt("color_range", "N/A");
s = av_get_colorspace_name(dec_ctx->colorspace);
if (s) print_str ("color_space", s);
else print_str_opt("color_space", "unknown");
if (dec_ctx->color_trc != AVCOL_TRC_UNSPECIFIED)
print_str("color_transfer", av_color_transfer_name(dec_ctx->color_trc));
else
print_str_opt("color_transfer", av_color_transfer_name(dec_ctx->color_trc));
print_color_range(w, dec_ctx->color_range, "N/A");
print_color_space(w, dec_ctx->colorspace);
print_color_trc(w, dec_ctx->color_trc);
print_primaries(w, dec_ctx->color_primaries);
if (dec_ctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED)
print_str("chroma_location", av_chroma_location_name(dec_ctx->chroma_sample_location));
else
print_str_opt("chroma_location", av_chroma_location_name(dec_ctx->chroma_sample_location));
print_chroma_location(w, dec_ctx->chroma_sample_location);
#if FF_API_PRIVATE_OPT
if (dec_ctx->timecode_frame_start >= 0) {