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Code Issues Releases Activity

avcodec/exr: export writer info into frame metadata

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol
2017-01-16 13:07:45 +01:00
parent 546e29d1f5
commit 8a1759ad46
1 changed files with 13 additions and 2 deletions
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15
libavcodec/exr.c
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@@ -1303,8 +1303,9 @@ static int check_header_variable(EXRContext *s,
return var_size;
}
static int decode_header(EXRContext *s)
static int decode_header(EXRContext *s, AVFrame *frame)
{
AVDictionary *metadata = NULL;
int magic_number, version, i, flags, sar = 0;
int layer_match = 0;
@@ -1576,6 +1577,14 @@ static int decode_header(EXRContext *s)
return AVERROR_PATCHWELCOME;
}
continue;
} else if ((var_size = check_header_variable(s, "writer",
"string", 1)) >= 0) {
uint8_t key[256] = { 0 };
bytestream2_get_buffer(&s->gb, key, FFMIN(sizeof(key) - 1, var_size));
av_dict_set(&metadata, "writer", key, 0);
continue;
}
@@ -1612,6 +1621,8 @@ static int decode_header(EXRContext *s)
return AVERROR_INVALIDDATA;
}
av_frame_set_metadata(frame, metadata);
// aaand we are done
bytestream2_skip(&s->gb, 1);
return 0;
@@ -1631,7 +1642,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
bytestream2_init(&s->gb, avpkt->data, avpkt->size);
if ((ret = decode_header(s)) < 0)
if ((ret = decode_header(s, picture)) < 0)
return ret;
switch (s->pixel_type) {