From 4809f3c042a99a639542b1e6cd22657871113260 Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Fri, 2 Sep 2016 17:43:32 +0200 Subject: Move all sources to src/ --- dabplussnoop.hpp | 133 ------------------------------------------------------- 1 file changed, 133 deletions(-) delete mode 100644 dabplussnoop.hpp (limited to 'dabplussnoop.hpp') diff --git a/dabplussnoop.hpp b/dabplussnoop.hpp deleted file mode 100644 index 865a35e..0000000 --- a/dabplussnoop.hpp +++ /dev/null @@ -1,133 +0,0 @@ -/* - Copyright (C) 2014 Matthias P. Braendli (http://www.opendigitalradio.org) - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see . - - dabplussnoop.cpp - Parse DAB+ frames from a ETI file - - Authors: - Matthias P. Braendli -*/ - -/* From the spec: - -subchannel_index = MSC sub-channel size (kbps) / 8 -audio_super_frame_size (bytes) = subchannel_index * 110 - -// Derived from -// au_start[n] = au_start[n - 1] + au_size[n - 1] + 2; -// 2 bytes for CRC -au_size[n] = au_start[n+1] - au_start[n] - 2; - -he_aac_super_frame(subchannel_index) -{ - he_aac_super_frame_header() - { - header_firecode 16 - rfa 1 - dac_rate 1 - sbr_flag 1 - aac_channel_mode 1 - ps_flag 1 - mpeg_surround_config 3 - - // end of audio parameters - if ((dac_rate == 0) && (sbr_flag == 1)) num_aus = 2; - // AAC core sampling rate 16 kHz - if ((dac_rate == 1) && (sbr_flag == 1)) num_aus = 3; - // AAC core sampling rate 24 kHz - if ((dac_rate == 0) && (sbr_flag == 0)) num_aus = 4; - // AAC core sampling rate 32 kHz - if ((dac_rate == 1) && (sbr_flag == 0)) num_aus = 6; - // AAC core sampling rate 48 kHz - - for (n = 1; n < num_aus; n++) { - au_start[n]; 12 - } - - if !((dac_rate == 1) && (sbr_flag == 1)) - alignment 4 - } - - for (n = 0; n < num_aus; n++) { - au[n] 8 * au_size[n] - au_crc[n] 16 - } - -} -*/ - -#include -#include -#include -#include -#include -#include -#include -#include "faad_decoder.hpp" - -#ifndef __DABPLUSSNOOP_H_ -#define __DABPLUSSNOOP_H_ - - -class DabPlusSnoop -{ - public: - DabPlusSnoop() : - m_index(0), - m_subchannel_index(0), - m_data(0), - m_raw_data_stream_fd(NULL) {} - - void set_subchannel_index(unsigned subchannel_index) - { - m_subchannel_index = subchannel_index; - } - - void set_index(int index) - { - m_index = index; - } - - void push(uint8_t* streamdata, size_t streamsize); - - void close(void); - - private: - /* Data needed for FAAD */ - FaadDecoder m_faad_decoder; - int m_index; - - bool m_ps_flag; - bool m_aac_channel_mode; - bool m_dac_rate; - bool m_sbr_flag; - int m_mpeg_surround_config; - - /* Functions */ - - bool seek_valid_firecode(void); - bool decode(void); - bool extract_au(std::vector au_start); - bool analyse_au(std::vector >& aus); - - unsigned m_subchannel_index; - std::vector m_data; - - FILE* m_raw_data_stream_fd; -}; - -#endif - -- cgit v1.2.3