mirror of https://git.ffmpeg.org/ffmpeg.git
mpeg4videodec: Parse newpred headers
This is untested due to lack of a non broken file using new pred Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -356,6 +356,17 @@ static int mpeg4_decode_sprite_trajectory(MpegEncContext * s, GetBitContext *gb)
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return 0;
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return 0;
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}
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}
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static int decode_new_pred(MpegEncContext *s, GetBitContext *gb){
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int len = FFMIN(s->time_increment_bits + 3, 15);
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get_bits(gb, len);
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if (get_bits1(gb))
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get_bits(gb, len);
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check_marker(gb, "after new_pred");
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return 0;
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}
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/**
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/**
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* Decode the next video packet.
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* Decode the next video packet.
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* @return <0 if something went wrong
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* @return <0 if something went wrong
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@ -438,7 +449,8 @@ int ff_mpeg4_decode_video_packet_header(MpegEncContext *s)
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}
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}
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}
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}
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}
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}
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//FIXME new-pred stuff
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if (s->new_pred)
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decode_new_pred(s, &s->gb);
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return 0;
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return 0;
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}
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}
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@ -2024,6 +2036,9 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){
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av_log(s->avctx, AV_LOG_ERROR, "vop not coded\n");
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av_log(s->avctx, AV_LOG_ERROR, "vop not coded\n");
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return FRAME_SKIPPED;
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return FRAME_SKIPPED;
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}
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}
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if (s->new_pred)
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decode_new_pred(s, gb);
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if (s->shape != BIN_ONLY_SHAPE && ( s->pict_type == AV_PICTURE_TYPE_P
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if (s->shape != BIN_ONLY_SHAPE && ( s->pict_type == AV_PICTURE_TYPE_P
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|| (s->pict_type == AV_PICTURE_TYPE_S && s->vol_sprite_usage==GMC_SPRITE))) {
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|| (s->pict_type == AV_PICTURE_TYPE_S && s->vol_sprite_usage==GMC_SPRITE))) {
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/* rounding type for motion estimation */
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/* rounding type for motion estimation */
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