This commit also correctly marks the interlace type of adam7
which does not correspond to bff or tff interlacing.
---
libavcodec/pngdec.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index e646296..5b82d5b 100644
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -493,9 +493,13 @@ static int decode_frame(AVCodecContext *avctx,
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
goto fail;
}
- p->pict_type = AV_PICTURE_TYPE_I;
- p->key_frame = 1;
- p->interlaced_frame = !!s->interlace_type;
+ p->pict_type = AV_PICTURE_TYPE_I;
+ p->key_frame = 1;
+ if (s->interlace_type)
+ // adam7 is only for displaying faster at compression cost
+ p->field_state = AV_FRAME_INTERLACED;
+ else
+ p->field_state = AV_FRAME_PROGRESSIVE;
/* compute the compressed row size */
if (!s->interlace_type) {
--
1.7.9.5
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