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[h263d]: Add error check for h263 decoder

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Hardware only support baseline H.263 stream. The stream with
mv_outside_frame flag will be blocky if force hardware decoding.

So we do not use hardware to decode this kind of stream.

Change-Id: I679f37c1d7f248f89b2338a887d4a1e2dea68bf2
Signed-off-by: Herman Chen <herman.chen@rock-chips.com>
This commit is contained in:
Herman Chen
2018-05-02 16:15:11 +08:00
parent bbc3cfe7a9
commit a1d76b96ce
1 changed files with 8 additions and 1 deletions
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9
mpp/codec/dec/h263/h263d_parser.c
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@@ -162,6 +162,7 @@ static MPP_RET h263_parse_picture_header(H263dParserImpl *p, BitReadCtx_t *gb)
/* time reference */
READ_BITS(gb, 8, &hdr_curr->TR);
/* first 5 bit of PTYPE */
SKIP_BITS(gb, 5);
/* source format */
@@ -173,10 +174,16 @@ static MPP_RET h263_parse_picture_header(H263dParserImpl *p, BitReadCtx_t *gb)
return MPP_NOK;
}
/* picture coding type: 0 - INTRA, 1 - INTER */
READ_BITS(gb, 1, &val);
pict_type = val;
SKIP_BITS(gb, 4);
/* last 4 bit for PTYPE: UMV, AP mode, PB frame */
READ_BITS(gb, 4, &val);
if (val) {
mpp_err_f("unsupport PTYPE mode %x\n", val);
return MPP_NOK;
}
READ_BITS(gb, 5, &val);
hdr_curr->quant = val;