From 62133b38ed043b57eeecbe7fc8b6f187fd92e5e0 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 3 Jun 2012 14:41:21 +0200 Subject: [PATCH] h263: disable loop filter with lowres Fixes ticket1212 Found-by: Piotr Bandurski Signed-off-by: Michael Niedermayer (cherry picked from commit cc229d4e83889d1298f1a0863b55feec6c5c339a) Signed-off-by: Michael Niedermayer --- libavcodec/intelh263dec.c | 2 +- libavcodec/ituh263dec.c | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/libavcodec/intelh263dec.c b/libavcodec/intelh263dec.c index 5e451294da..182b4955cc 100644 --- a/libavcodec/intelh263dec.c +++ b/libavcodec/intelh263dec.c @@ -72,7 +72,7 @@ int ff_intel_h263_decode_picture_header(MpegEncContext *s) } if(get_bits(&s->gb, 2)) av_log(s->avctx, AV_LOG_ERROR, "Bad value for reserved field\n"); - s->loop_filter = get_bits1(&s->gb); + s->loop_filter = get_bits1(&s->gb) * !s->avctx->lowres; if(get_bits1(&s->gb)) av_log(s->avctx, AV_LOG_ERROR, "Bad value for reserved field\n"); if(get_bits1(&s->gb)) diff --git a/libavcodec/ituh263dec.c b/libavcodec/ituh263dec.c index 8b5d9391b2..618eac3e44 100644 --- a/libavcodec/ituh263dec.c +++ b/libavcodec/ituh263dec.c @@ -961,6 +961,8 @@ int h263_decode_picture_header(MpegEncContext *s) s->h263_aic = get_bits1(&s->gb); /* Advanced Intra Coding (AIC) */ s->loop_filter= get_bits1(&s->gb); s->unrestricted_mv = s->umvplus || s->obmc || s->loop_filter; + if(s->avctx->lowres) + s->loop_filter = 0; s->h263_slice_structured= get_bits1(&s->gb); if (get_bits1(&s->gb) != 0) {