There are no encoders for interlaced dct that support 4:4:4.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavcodec/mpegvideo_enc.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 0ac8886246..15b6669e46 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -2035,6 +2035,10 @@ static av_always_inline void
encode_mb_internal(MpegEncContext *s,
int chroma_y_shift,
int chroma_format)
{
+/* Interlaced DCT is only possible with MPEG-2 and MPEG-4
+ * and neither of these encoders currently supports 444. */
+#define INTERLACED_DCT(s) ((chroma_format == CHROMA_420 || chroma_format ==
CHROMA_422) && \
+ (s)->avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT)
int16_t weight[12][64];
int16_t orig[12][64];
const int mb_x = s->mb_x;
@@ -2112,7 +2116,7 @@ static av_always_inline void
encode_mb_internal(MpegEncContext *s,
}
if (s->mb_intra) {
- if (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
+ if (INTERLACED_DCT(s)) {
int progressive_score, interlaced_score;
s->interlaced_dct = 0;
@@ -2191,7 +2195,7 @@ static av_always_inline void
encode_mb_internal(MpegEncContext *s,
op_pix, op_qpix);
}
- if (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
+ if (INTERLACED_DCT(s)) {
int progressive_score, interlaced_score;
s->interlaced_dct = 0;
--
2.32.0
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