128 lines
3.4 KiB
C
128 lines
3.4 KiB
C
/*
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* Copyright (C) 2017 Amlogic, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* Description: adpcm decoder
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*/
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#ifndef _CODEC_MESSAGE_HEADERS
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#define _CODEC_MESSAGE_HEADERS
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#define SUB_FMT_VALID (1<<1)
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#define CHANNEL_VALID (1<<2)
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#define SAMPLE_RATE_VALID (1<<3)
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#define DATA_WIDTH_VALID (1<<4)
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#define AUDIO_EXTRA_DATA_SIZE (2048*2)
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struct digit_raw_output_info {
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int framelength;
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unsigned char* framebuf;
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int frame_size;
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int frame_samples;
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unsigned char* rawptr;
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//for AC3
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int sampleratecode;
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int bsmod;
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int bpf;
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int brst;
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int length;
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int padsize;
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int mode;
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unsigned int syncword1;
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unsigned int syncword2;
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unsigned int syncword3;
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unsigned int syncword1_mask;
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unsigned int syncword2_mask;
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unsigned int syncword3_mask;
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unsigned chstat0_l;
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unsigned chstat0_r;
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unsigned chstat1_l;
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unsigned chstat1_r;
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unsigned can_bypass;
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};
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struct frame_fmt {
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int valid;
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int sub_fmt;
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int channel_num;
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int sample_rate;
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int data_width;
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int buffered_len;/*dsp codec,buffered origan data len*/
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int format;
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unsigned int total_byte_parsed;
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union {
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unsigned int total_sample_decoded;
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void *pcm_encoded_info; //used for encoded pcm info
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} data;
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unsigned int bps;
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void* private_data;
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struct digit_raw_output_info * digit_raw_output_info;
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};
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typedef struct pcm51_encoded_info_s {
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unsigned int InfoValidFlag; //only if InfoValidFlag==1 can userspace start reading the data in 51pcm_buf;
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unsigned int SampFs; //sampling frequency
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unsigned int NumCh; //total output valid channels( including LFE channel if LFE is valid)
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unsigned int AcMode; //audio coding mode
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unsigned int LFEFlag; //indicating the output buffers cotains LFE components if LFEFlag==1
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unsigned int BitsPerSamp; //bits count used to indicates a pcm_samples
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} pcm51_encoded_info_t;
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struct frame_info {
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int len;
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unsigned long offset;/*steam start to here*/
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unsigned long buffered_len;/*data buffer in dsp,pcm datalen*/
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int reversed[1];/*for cache aligned 32 bytes*/
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};
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struct audio_info {
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int valid;
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int sample_rate;
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int channels;
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int bitrate;
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int codec_id;
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int block_align;
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int extradata_size;
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char extradata[AUDIO_EXTRA_DATA_SIZE];
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};
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typedef enum {
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DECODE_INIT_ERR,
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DECODE_FATAL_ERR,
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} error_code_t;
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struct dsp_working_info {
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int status;
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int sp;
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int pc;
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int ilink1;
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int ilink2;
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int blink;
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int jiffies;
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int out_wp;
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int out_rp;
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int buffered_len;//pcm buffered at the dsp side
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int es_offset;//stream read offset since start decoder
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int reserved[5];
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};
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#endif
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