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Diffstat (limited to 'aac-enc-dabplus-zmq.c')
| -rw-r--r-- | aac-enc-dabplus-zmq.c | 502 |
1 files changed, 0 insertions, 502 deletions
diff --git a/aac-enc-dabplus-zmq.c b/aac-enc-dabplus-zmq.c deleted file mode 100644 index febbdd9..0000000 --- a/aac-enc-dabplus-zmq.c +++ /dev/null @@ -1,502 +0,0 @@ -/* ------------------------------------------------------------------ - * Copyright (C) 2011 Martin Storsjo - * Copyright (C) 2013,2014 Matthias P. Braendli - * Copyright (C) 2014 CSP Innovazione nelle ICT s.c.a r.l. - * http://rd.csp.it/ - * - * http://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 <http://www.gnu.org/licenses/>. - * ------------------------------------------------------------------- - */ - -#include <stdio.h> -#include <stdint.h> -#include <string.h> -#include <unistd.h> -#include <stdlib.h> -#include <getopt.h> -#include <zmq.h> -#include <assert.h> -#include "libAACenc/include/aacenc_lib.h" -#include "wavreader.h" - -#include <fec.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <errno.h> - -#include "contrib/lib_crc.h" - -#define MIN(a,b) (((a)<(b))?(a):(b)) -#define MAX(a,b) (((a)>(b))?(a):(b)) - -void usage(const char* name) { - fprintf(stderr, "fdk-aac-dabplus HE-AACv2 encoder for DAB+\n\n"); - fprintf(stderr, "With ZeroMQ output for ODR-DabMux\n"); - fprintf(stderr, "and PAD (DLS and MOT Slideshow) by http://rd.csp.it\n"); - fprintf(stderr, "\n"); - fprintf(stderr, "http://opendigitalradio.org\n"); - fprintf(stderr, "\nUsage:\n"); - fprintf(stderr, "%s [OPTION...]\n", name); - fprintf(stderr, -" -b, --bitrate={ 8, 16, ..., 192 } Output bitrate in kbps. Must be 8 multiple.\n" -//" -d, --data=FILENAME Set data filename.\n" -//" -g, --fs-bug Turn on FS bug mitigation.\n" -" -i, --input=FILENAME Input filename (default: stdin).\n" -" -o, --output=URI Output zmq uri. (e.g. 'tcp://*:9000')\n" -" -a, --afterburner Turn on AAC encoder quality increaser.\n" -//" -m, --message Turn on AAC frame messages.\n" -" -p, --pad=BYTES Set PAD size in bytes.\n" -" -f, --format={ wav, raw } Set input file format (default: wav).\n" -" -c, --channels={ 1, 2 } Nb of input channels for raw input (default: 2).\n" -" -r, --rate={ 32000, 48000 } Sample rate for raw input (default: 48000).\n" -//" -t, --type=TYPE Set data type (dls|pad|packet|dg).\n" -//" -v, --verbose=LEVEL Set verbosity level.\n" -//" -V, --version Print version and exit.\n" -//" --mi=[ 0, ... ] Set AAC frame messages interval in milliseconds.\n" -//" --ma=[ 0, ... ] Set AAC frame messages attack time in milliseconds.\n" -//" -l, --lp Set frame size to 1024 instead of 960.\n" -"\n" -"Only the tcp:// zeromq transport has been tested until now.\n" - -); - -} - - -#define no_argument 0 -#define required_argument 1 -#define optional_argument 2 - -int main(int argc, char *argv[]) { - int subchannel_index = 8; //64kbps subchannel - int ch=0; - const char *infile = NULL; - const char *outuri = NULL; - FILE *in_fh; - void *wav; - int wav_format, bits_per_sample, sample_rate=48000, channels=2; - uint8_t* input_buf; - int16_t* convert_buf; - void *rs_handler = NULL; - int aot = AOT_DABPLUS_AAC_LC; - int afterburner = 0, raw_input=0; - HANDLE_AACENCODER handle; - CHANNEL_MODE mode; - AACENC_InfoStruct info = { 0 }; - - int pad_fd; - unsigned char pad_buf[128]; - int padlen; - - void *zmq_context = zmq_ctx_new(); - void *zmq_sock = NULL; - - const struct option longopts[] = { - {"bitrate", required_argument, 0, 'b'}, - {"input", required_argument, 0, 'i'}, - {"output", required_argument, 0, 'o'}, - {"format", required_argument, 0, 'f'}, - {"rate", required_argument, 0, 'r'}, - {"channels", required_argument, 0, 'c'}, - {"pad", required_argument, 0, 'p'}, - //{"lp", no_argument, 0, 'l'}, - {"afterburner", no_argument, 0, 'a'}, - {"help", no_argument, 0, 'h'}, - {0,0,0,0}, - }; - - if (argc == 1) { - usage(argv[0]); - return 0; - } - - int index; - while(ch != -1) { - ch = getopt_long(argc, argv, "tlhab:c:i:o:r:f:p:", longopts, &index); - switch (ch) { - case 'f': - if(strcmp(optarg, "raw")==0) { - raw_input = 1; - } else if(strcmp(optarg, "wav")!=0) - usage(argv[0]); - break; - case 'a': - afterburner = 1; - break; - case 'b': - subchannel_index = atoi(optarg) / 8; - break; - case 'c': - channels = atoi(optarg); - break; - case 'r': - sample_rate = atoi(optarg); - break; - case 'i': - infile = optarg; - break; - case 'o': - outuri = optarg; - break; - case 'p': - padlen = atoi(optarg); - break; - case '?': - case 'h': - usage(argv[0]); - return 1; - } - } - - if(subchannel_index < 1 || subchannel_index > 24) { - fprintf(stderr, "Bad subchannels number: %d, try other bitrate.\n", - subchannel_index); - return 1; - } - if(padlen != 0) { - int flags; - if (mkfifo("/tmp/pad.fifo", S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH) != 0) { - if (errno != EEXIST) { - fprintf(stderr, "Can't create pad file: %d!\n", errno); - return 1; - } - } - pad_fd = open("/tmp/pad.fifo", O_RDONLY | O_NONBLOCK); - if (pad_fd == -1) { - fprintf(stderr, "Can't open pad file!\n"); - return 1; - } - flags = fcntl(pad_fd, F_GETFL, 0); - if (fcntl(pad_fd, F_SETFL, flags | O_NONBLOCK)) { - fprintf(stderr, "Can't set non-blocking mode in pad file!\n"); - return 1; - } - } - - if(raw_input) { - if(infile && strcmp(infile, "-")) { - in_fh = fopen(infile, "rb"); - if(!in_fh) { - fprintf(stderr, "Can't open input file!\n"); - return 1; - } - } else { - in_fh = stdin; - } - } else { - wav = wav_read_open(infile); - if (!wav) { - fprintf(stderr, "Unable to open wav file %s\n", infile); - return 1; - } - if (!wav_get_header(wav, &wav_format, &channels, &sample_rate, &bits_per_sample, NULL)) { - fprintf(stderr, "Bad wav file %s\n", infile); - return 1; - } - if (wav_format != 1) { - fprintf(stderr, "Unsupported WAV format %d\n", wav_format); - return 1; - } - if (bits_per_sample != 16) { - fprintf(stderr, "Unsupported WAV sample depth %d\n", bits_per_sample); - return 1; - } - if (channels > 2) { - fprintf(stderr, "Unsupported WAV channels %d\n", channels); - return 1; - } - } - - if (outuri) { - zmq_sock = zmq_socket(zmq_context, ZMQ_PUB); - if (zmq_sock == NULL) { - fprintf(stderr, "Error occurred during zmq_socket: %s\n", zmq_strerror(errno)); - return 2; - } - if (zmq_connect(zmq_sock, outuri) != 0) { - fprintf(stderr, "Error occurred during zmq_connect: %s\n", zmq_strerror(errno)); - return 2; - } - } else { - fprintf(stderr, "Output URI not defined\n"); - return 1; - } - - - switch (channels) { - case 1: mode = MODE_1; break; - case 2: mode = MODE_2; break; - default: - fprintf(stderr, "Unsupported channels number %d\n", channels); - return 1; - } - - - if (aacEncOpen(&handle, 0x01|0x02|0x04, channels) != AACENC_OK) { - fprintf(stderr, "Unable to open encoder\n"); - return 1; - } - - - if(channels == 2 && subchannel_index <= 6) - aot = AOT_DABPLUS_PS; - else if((channels == 1 && subchannel_index <= 8) || subchannel_index <= 10) - aot = AOT_DABPLUS_SBR; - - fprintf(stderr, "Using %d subchannels. AAC type: %s%s%s. channels=%d, sample_rate=%d\n", - subchannel_index, - aot == AOT_DABPLUS_PS ? "HE-AAC v2" : "", - aot == AOT_DABPLUS_SBR ? "HE-AAC" : "", - aot == AOT_DABPLUS_AAC_LC ? "AAC-LC" : "", - channels, sample_rate); - - if (aacEncoder_SetParam(handle, AACENC_AOT, aot) != AACENC_OK) { - fprintf(stderr, "Unable to set the AOT\n"); - return 1; - } - if (aacEncoder_SetParam(handle, AACENC_SAMPLERATE, sample_rate) != AACENC_OK) { - fprintf(stderr, "Unable to set the samplerate\n"); - return 1; - } - if (aacEncoder_SetParam(handle, AACENC_CHANNELMODE, mode) != AACENC_OK) { - fprintf(stderr, "Unable to set the channel mode\n"); - return 1; - } - if (aacEncoder_SetParam(handle, AACENC_CHANNELORDER, 1) != AACENC_OK) { - fprintf(stderr, "Unable to set the wav channel order\n"); - return 1; - } - if (aacEncoder_SetParam(handle, AACENC_GRANULE_LENGTH, 960) != AACENC_OK) { - fprintf(stderr, "Unable to set the granule length\n"); - return 1; - } - if (aacEncoder_SetParam(handle, AACENC_TRANSMUX, TT_DABPLUS) != AACENC_OK) { - fprintf(stderr, "Unable to set the RAW transmux\n"); - return 1; - } - - /*if (aacEncoder_SetParam(handle, AACENC_BITRATEMODE, 7 *AACENC_BR_MODE_SFR*) != AACENC_OK) { - fprintf(stderr, "Unable to set the bitrate mode\n"); - return 1; - }*/ - - - fprintf(stderr, "AAC bitrate set to: %d\n", subchannel_index*8000); - if (aacEncoder_SetParam(handle, AACENC_BITRATE, subchannel_index*8000) != AACENC_OK) { - fprintf(stderr, "Unable to set the bitrate\n"); - return 1; - } - if (aacEncoder_SetParam(handle, AACENC_AFTERBURNER, afterburner) != AACENC_OK) { - fprintf(stderr, "Unable to set the afterburner mode\n"); - return 1; - } - if (aacEncoder_SetParam(handle, AACENC_ANCILLARY_BITRATE, 0) != AACENC_OK) { - fprintf(stderr, "Unable to set the ancillary bitrate\n"); - return 1; - } - if (aacEncEncode(handle, NULL, NULL, NULL, NULL) != AACENC_OK) { - fprintf(stderr, "Unable to initialize the encoder\n"); - return 1; - } - if (aacEncInfo(handle, &info) != AACENC_OK) { - fprintf(stderr, "Unable to get the encoder info\n"); - return 1; - } - - fprintf(stderr, "DAB+ Encoding: framelen=%d\n", info.frameLength); - - int input_size = channels*2*info.frameLength; - input_buf = (uint8_t*) malloc(input_size); - convert_buf = (int16_t*) malloc(input_size); - - /* symsize=8, gfpoly=0x11d, fcr=0, prim=1, nroots=10, pad=135 */ - rs_handler = init_rs_char(8, 0x11d, 0, 1, 10, 135); - if (rs_handler == NULL) { - perror("init_rs_char failed"); - return 0; - } - - int loops = 0; - int outbuf_size = subchannel_index*120; - uint8_t outbuf[20480]; - - if(outbuf_size % 5 != 0) { - fprintf(stderr, "(outbuf_size mod 5) = %d\n", outbuf_size % 5); - } - - fprintf(stderr, "outbuf_size: %d\n", outbuf_size); - //outbuf_size += (4 * subchannel_index * (8*8)/8) - outbuf_size/5; - fprintf(stderr, "outbuf_size: %d\n", outbuf_size); - - int frame=0; - int send_error_count = 0; - while (1) { - memset(outbuf, 0x00, outbuf_size); - - AACENC_BufDesc in_buf = { 0 }, out_buf = { 0 }; - AACENC_InArgs in_args = { 0 }; - AACENC_OutArgs out_args = { 0 }; - int in_identifier[] = {IN_AUDIO_DATA, IN_ANCILLRY_DATA}; - int in_size[2], in_elem_size[2]; - int out_identifier = OUT_BITSTREAM_DATA; - int out_size, out_elem_size; - int pcmread=0, i, ret; - int send_error; - void *in_ptr[2], *out_ptr; - AACENC_ERROR err; - - // Read data from the PAD fifo - if (padlen != 0) { - ret = read(pad_fd, pad_buf, padlen); - } - else { - ret = 0; - } - - - if(ret < 0 && errno == EAGAIN) { - // If this condition passes, there is no data to be read - in_buf.numBufs = 1; // Samples; - } - else if(ret >= 0) { - // Otherwise, you're good to go and buffer should contain "count" bytes. - in_buf.numBufs = 2; // Samples + Data; - } - else { - // Some other error occurred during read. - fprintf(stderr, "Unable to read from PAD!\n"); - break; - } - - if(raw_input) { - if(fread(input_buf, input_size, 1, in_fh) == 1) { - pcmread = input_size; - } else { - fprintf(stderr, "Unable to read from input!\n"); - break; - } - } else { - pcmread = wav_read_data(wav, input_buf, input_size); - } - - for (i = 0; i < pcmread/2; i++) { - const uint8_t* in = &input_buf[2*i]; - convert_buf[i] = in[0] | (in[1] << 8); - } - - if (pcmread <= 0) { - in_args.numInSamples = -1; - } else { - in_ptr[0] = convert_buf; - in_ptr[1] = pad_buf; - in_size[0] = pcmread; - in_size[1] = padlen; - - in_elem_size[0] = 2; - in_elem_size[1] = sizeof(UCHAR); - - in_args.numInSamples = pcmread/2; - in_args.numAncBytes = padlen; - - //in_buf.numBufs = 2; // Samples + Data - - in_buf.bufs = (void**)&in_ptr; - in_buf.bufferIdentifiers = in_identifier; - in_buf.bufSizes = in_size; - in_buf.bufElSizes = in_elem_size; - - } - out_ptr = outbuf; - out_size = sizeof(outbuf); - out_elem_size = 1; - out_buf.numBufs = 1; - out_buf.bufs = &out_ptr; - out_buf.bufferIdentifiers = &out_identifier; - out_buf.bufSizes = &out_size; - out_buf.bufElSizes = &out_elem_size; - - if ((err = aacEncEncode(handle, &in_buf, &out_buf, &in_args, &out_args)) != AACENC_OK) { - if (err == AACENC_ENCODE_EOF) - break; - fprintf(stderr, "Encoding failed\n"); - return 1; - } - if (out_args.numOutBytes == 0) - continue; -#if 0 - unsigned char au_start[6]; - unsigned char* sfbuf = outbuf; - au_start[0] = 6; - au_start[1] = (*(sfbuf + 3) << 4) + ((*(sfbuf + 4)) >> 4); - au_start[2] = ((*(sfbuf + 4) & 0x0f) << 8) + *(sfbuf + 5); - fprintf (stderr, "au_start[0] = %d\n", au_start[0]); - fprintf (stderr, "au_start[1] = %d\n", au_start[1]); - fprintf (stderr, "au_start[2] = %d\n", au_start[2]); -#endif - - int row, col; - unsigned char buf_to_rs_enc[110]; - unsigned char rs_enc[10]; - for(row=0; row < subchannel_index; row++) { - for(col=0;col < 110; col++) { - buf_to_rs_enc[col] = outbuf[subchannel_index * col + row]; - } - - encode_rs_char(rs_handler, buf_to_rs_enc, rs_enc); - - for(col=110; col<120; col++) { - outbuf[subchannel_index * col + row] = rs_enc[col-110]; - assert(subchannel_index * col + row < outbuf_size); - } - } - - send_error = zmq_send(zmq_sock, outbuf, outbuf_size, ZMQ_DONTWAIT); - if (send_error < 0) { - fprintf(stderr, "ZeroMQ send failed! %s\n", zmq_strerror(errno)); - send_error_count ++; - } - - if (send_error_count > 10) - { - fprintf(stderr, "ZeroMQ send failed ten times, aborting!\n"); - break; - } - //fwrite(outbuf, 1, /*out_args.numOutBytes*/ outbuf_size, out_fh); - //fprintf(stderr, "Written %d/%d bytes!\n", out_args.numOutBytes + row*10, outbuf_size); - if(out_args.numOutBytes + row*10 == outbuf_size) - fprintf(stderr, "."); - -// if(frame > 10) -// break; - frame++; - } - free(input_buf); - free(convert_buf); - if(raw_input) { - fclose(in_fh); - } else { - wav_read_close(wav); - } - zmq_close(zmq_sock); - free_rs_char(rs_handler); - - aacEncClose(&handle); - - zmq_ctx_term(zmq_context); - return 0; -} - |