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mpeg4: decode Level Profile for MPEG4 Part 2.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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364d64275c
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0637e50579
@ -1523,6 +1523,22 @@ static int mpeg4_decode_gop_header(MpegEncContext * s, GetBitContext *gb){
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return 0;
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}
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static int mpeg4_decode_profile_level(MpegEncContext * s, GetBitContext *gb){
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int profile_and_level_indication;
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profile_and_level_indication = get_bits(gb, 8);
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s->avctx->profile = (profile_and_level_indication & 0xf0) >> 4;
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s->avctx->level = (profile_and_level_indication & 0x0f);
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// for Simple profile, level 0
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if (s->avctx->profile == 0 && s->avctx->level == 8) {
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s->avctx->level = 0;
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}
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return 0;
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}
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static int decode_vol_header(MpegEncContext *s, GetBitContext *gb){
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int width, height, vo_ver_id;
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@ -2177,6 +2193,9 @@ int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb)
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else if(startcode == GOP_STARTCODE){
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mpeg4_decode_gop_header(s, gb);
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}
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else if(startcode == VOS_STARTCODE){
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mpeg4_decode_profile_level(s, gb);
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}
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else if(startcode == VOP_STARTCODE){
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break;
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}
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