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[mpp_packet]: Add MppPacket append function

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Signed-off-by: Herman Chen <herman.chen@rock-chips.com>
Change-Id: I0788997fffe2e55ac55d515c33280badf6e97eb8
This commit is contained in:
Herman Chen
2020-03-31 14:46:29 +08:00
parent 6df1c1ec62
commit a56bc3baf1
2 changed files with 21 additions and 5 deletions
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1
mpp/base/inc/mpp_packet_impl.h
View File

@@ -58,6 +58,7 @@ extern "C" {
*/
MPP_RET mpp_packet_reset(MppPacketImpl *packet);
MPP_RET mpp_packet_copy(MppPacket dst, MppPacket src);
MPP_RET mpp_packet_append(MppPacket dst, MppPacket src);
/* pointer check function */
MPP_RET check_is_mpp_packet(void *ptr);

25
mpp/base/mpp_packet.cpp
View File

@@ -345,12 +345,27 @@ MPP_RET mpp_packet_copy(MppPacket dst, MppPacket src)
return MPP_ERR_UNKNOW;
}
void *dst_buf = mpp_packet_get_pos(dst);
void *src_buf = mpp_packet_get_pos(src);
size_t size = mpp_packet_get_length(src);
MppPacketImpl *dst_impl = (MppPacketImpl *)dst;
MppPacketImpl *src_impl = (MppPacketImpl *)src;
memcpy(dst_buf, src_buf, size);
mpp_packet_set_length(dst, size);
memcpy(dst_impl->pos, src_impl->pos, src_impl->length);
dst_impl->length = src_impl->length;
return MPP_OK;
}
MPP_RET mpp_packet_append(MppPacket dst, MppPacket src)
{
if (check_is_mpp_packet(dst) || check_is_mpp_packet(src)) {
mpp_err_f("invalid input: dst %p src %p\n", dst, src);
return MPP_ERR_UNKNOW;
}
MppPacketImpl *dst_impl = (MppPacketImpl *)dst;
MppPacketImpl *src_impl = (MppPacketImpl *)src;
memcpy((RK_U8 *)dst_impl->pos + dst_impl->length, src_impl->pos,
src_impl->length);
dst_impl->length += src_impl->length;
return MPP_OK;
}