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