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[h264e_slice]: Fix slice amend and prefix nal

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1. Fix loop length error on copy.
2. Change prefix nal format do not write more bit on zero nal_ref_idc.

Signed-off-by: Herman Chen <herman.chen@rock-chips.com>
Change-Id: I8aae36926dcd8dc73701c735396ae418db4f032f
This commit is contained in:
Herman Chen
2020-07-08 17:58:59 +08:00
parent f654f1a0ad
commit 337e917d5f
1 changed files with 11 additions and 10 deletions
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21
mpp/codec/enc/h264/h264e_slice.c
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@@ -745,19 +745,20 @@ RK_S32 h264e_slice_move(RK_U8 *dst, RK_U8 *src, RK_S32 dst_bit, RK_S32 src_bit,
RK_U8 *psrc = src + src_byte;
RK_U8 *pdst = dst + dst_byte;
RK_U16 tmp16a, tmp16b, tmp16c, last_tmp;
RK_U16 tmp16a, tmp16b, tmp16c, last_tmp, dst_mask;
RK_U8 tmp0, tmp1;
RK_U32 loop = src_len;
RK_U32 loop = src_len + (src_bit_r > 0);
RK_U32 i = 0;
RK_U32 src_zero_cnt = 0;
RK_U32 dst_zero_cnt = 0;
RK_U32 dst_len = 0;
if (h264e_debug & H264E_DBG_SLICE)
mpp_log("bit [%d %d] [%d %d] loop %d\n", src_bit, dst_bit,
src_bit_r, dst_bit_r, loop);
last_tmp = (RK_U16)pdst[0];
dst_mask = 0xFFFF << (8 - dst_bit_r);
last_tmp = pdst[0] >> (8 - dst_bit_r) << (8 - dst_bit_r);
h264e_dbg_slice("bit [%d %d] [%d %d] [%d %d] loop %d mask %04x last %04x\n",
src_bit, dst_bit, src_byte, dst_byte,
src_bit_r, dst_bit_r, loop, dst_mask, last_tmp);
for (i = 0; i < loop; i++) {
if (psrc[0] == 0) {
@@ -792,7 +793,7 @@ RK_S32 h264e_slice_move(RK_U8 *dst, RK_U8 *src, RK_S32 dst_bit, RK_S32 src_bit,
}
if (dst_bit_r)
tmp16c = tmp16b >> dst_bit_r | (last_tmp >> (8 - dst_bit_r) << (16 - dst_bit_r));
tmp16c = tmp16b >> dst_bit_r | ((last_tmp << 8) & dst_mask);
else
tmp16c = tmp16b;
@@ -901,10 +902,10 @@ RK_S32 h264e_slice_write_prefix_nal_unit_svc(H264ePrefixNal *prefix, void *p, RK
/* additional_prefix_nal_unit_extension_flag */
mpp_writer_put_raw_bits(s, 0, 1);
}
/* rbsp_trailing_bits */
mpp_writer_trailing(s);
/* rbsp_trailing_bits */
mpp_writer_trailing(s);
}
bitCnt = s->buffered_bits + s->byte_cnt * 8;