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106 lines
2.9 KiB
C
106 lines
2.9 KiB
C
/*
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* Copyright (C) 2020-2022 Artinchip Technology Co. Ltd
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*
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* author: qi.xu@artinchip.com
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* Desc: mpp_decoder interface
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*/
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#ifndef _MPP_DECODER_H_
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#define _MPP_DECODER_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "mpp_dec_type.h"
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struct mpp_decoder;
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/**
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* struct decode_config - decode congig
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* @pix_fmt: pixel format of output frame
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* @bitstream_buffer_size: buffer size of bitstream
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* @packet_count: packet number
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* @extra_frame_num: extra frame number for smoothing playing
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*/
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struct decode_config {
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enum mpp_pixel_format pix_fmt; // output pixel format
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int bitstream_buffer_size; // bitstream buffer size in pm
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int packet_count; // packet number in pm
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int extra_frame_num; // extra frame number in fm
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};
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/**
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* mpp_decoder_create - create decoder (h264/jpeg/png ...)
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* @type: decoder type
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*/
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struct mpp_decoder* mpp_decoder_create(enum mpp_codec_type type);
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/**
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* mpp_decoder_destory - destory decoder
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* @decoder: mpp_decoder context
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*/
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void mpp_decoder_destory(struct mpp_decoder* decoder);
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/**
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* mpp_decoder_init - init decoder
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* @decoder: mpp_decoder context
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* @config: configuration of decoder
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*/
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int mpp_decoder_init(struct mpp_decoder *decoder, struct decode_config *config);
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/**
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* mpp_decoder_decode - decode one packet
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* @decoder: mpp_decoder context
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*/
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int mpp_decoder_decode(struct mpp_decoder* decoder);
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/**
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* mpp_decoder_get_packet - get an empty packet from decoder
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* @decoder: mpp_decoder context
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* @packet: the packet from mpp_decoder
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* @size: data size of this packet
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*/
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int mpp_decoder_get_packet(struct mpp_decoder* decoder, struct mpp_packet* packet, int size);
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/**
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* mpp_decoder_put_packet - put the packet to decoder
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* @decoder: mpp_decoder context
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* @packet: the packet filled by application
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*/
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int mpp_decoder_put_packet(struct mpp_decoder* decoder, struct mpp_packet* packet);
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/**
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* mpp_decoder_get_frame - get a display frame from decoder
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* @decoder: mpp_decoder context
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* @frame: one decoded frame to be display, defined in linux/include/uapi/video/mpp_types.h
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*/
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int mpp_decoder_get_frame(struct mpp_decoder* decoder, struct mpp_frame* frame);
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/**
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* mpp_decoder_put_frame - return the frame to decoder
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* @decoder: mpp_decoder context
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* @frame: displayed frame to be return, defined in linux/include/uapi/video/mpp_types.h
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*/
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int mpp_decoder_put_frame(struct mpp_decoder* decoder, struct mpp_frame* frame);
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/**
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* mpp_decoder_control - send a control command (like, set/get parameter) to mpp_decoder
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* @decoder: mpp_decoder context
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* @cmd: command name, see mpp_type.h
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* @param: command data
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*/
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int mpp_decoder_control(struct mpp_decoder* decoder, int cmd, void* param);
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/**
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* mpp_decoder_reset - reset mpp_decoder
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* @decoder: mpp_decoder context
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*/
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int mpp_decoder_reset(struct mpp_decoder* decoder);
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#ifdef __cplusplus
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}
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#endif
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#endif
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