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/*
* Copyright 2015 Rockchip Electronics Co. LTD
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __MPP_PACKET_H__
#define __MPP_PACKET_H__
#include "mpp_meta.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* MppPacket interface
*
* mpp_packet_init = mpp_packet_new + mpp_packet_set_data + mpp_packet_set_size
* mpp_packet_copy_init = mpp_packet_init + memcpy
*/
MPP_RET mpp_packet_new(MppPacket *packet);
MPP_RET mpp_packet_init(MppPacket *packet, void *data, size_t size);
MPP_RET mpp_packet_init_with_buffer(MppPacket *packet, MppBuffer buffer);
MPP_RET mpp_packet_copy_init(MppPacket *packet, const MppPacket src);
MPP_RET mpp_packet_deinit(MppPacket *packet);
/*
* data : ( R/W ) start address of the whole packet memory
* size : ( R/W ) total size of the whole packet memory
* pos : ( R/W ) current access position of the whole packet memory, used for buffer read/write
* length : ( R/W ) the rest length from current position to end of buffer
* NOTE: normally length is updated only by set_pos,
* so set length must be used carefully for special usage
*/
void mpp_packet_set_data(MppPacket packet, void *data);
void mpp_packet_set_size(MppPacket packet, size_t size);
void mpp_packet_set_pos(MppPacket packet, void *pos);
void mpp_packet_set_length(MppPacket packet, size_t size);
void* mpp_packet_get_data(const MppPacket packet);
void* mpp_packet_get_pos(const MppPacket packet);
size_t mpp_packet_get_size(const MppPacket packet);
size_t mpp_packet_get_length(const MppPacket packet);
void mpp_packet_set_pts(MppPacket packet, RK_S64 pts);
RK_S64 mpp_packet_get_pts(const MppPacket packet);
void mpp_packet_set_dts(MppPacket packet, RK_S64 dts);
RK_S64 mpp_packet_get_dts(const MppPacket packet);
void mpp_packet_set_flag(MppPacket packet, RK_U32 flag);
RK_U32 mpp_packet_get_flag(const MppPacket packet);
MPP_RET mpp_packet_set_eos(MppPacket packet);
MPP_RET mpp_packet_clr_eos(MppPacket packet);
RK_U32 mpp_packet_get_eos(MppPacket packet);
MPP_RET mpp_packet_set_extra_data(MppPacket packet);
void mpp_packet_set_buffer(MppPacket packet, MppBuffer buffer);
MppBuffer mpp_packet_get_buffer(const MppPacket packet);
/*
* data access interface
*/
MPP_RET mpp_packet_read(MppPacket packet, size_t offset, void *data, size_t size);
MPP_RET mpp_packet_write(MppPacket packet, size_t offset, void *data, size_t size);
/*
* meta data access interface
*/
RK_S32 mpp_packet_has_meta(const MppPacket packet);
MppMeta mpp_packet_get_meta(const MppPacket packet);
/*
* multi packet sequence interface for slice/split encoding/decoding
* partition - the packet is a part of a while image
* soi - Start Of Image
* eoi - End Of Image
*/
RK_U32 mpp_packet_is_partition(const MppPacket packet);
RK_U32 mpp_packet_is_soi(const MppPacket packet);
RK_U32 mpp_packet_is_eoi(const MppPacket packet);
/*
* packet segement pack info for
* segment number - number of segment
* segment info - base address of segment info
*/
typedef struct MppPktSeg_t MppPktSeg;
struct MppPktSeg_t {
RK_S32 index;
RK_S32 type;
RK_U32 offset;
RK_U32 len;
const MppPktSeg *next;
};
RK_U32 mpp_packet_get_segment_nb(const MppPacket packet);
const MppPktSeg *mpp_packet_get_segment_info(const MppPacket packet);
#ifdef __cplusplus
}
#endif
#endif /*__MPP_PACKET_H__*/
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