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| author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2014-03-19 18:53:07 +0100 | 
|---|---|---|
| committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2014-03-19 20:07:47 +0100 | 
| commit | fcb034bc78424b6b0c84be2d3feba3876bf7e856 (patch) | |
| tree | 376a61ee82c038f9fc363109f6327c35ddc27320 | |
| parent | f3c40d4541b5d9f86620833daf2e9981f9ed5c0b (diff) | |
| download | ODR-AudioEnc-fcb034bc78424b6b0c84be2d3feba3876bf7e856.tar.gz ODR-AudioEnc-fcb034bc78424b6b0c84be2d3feba3876bf7e856.tar.bz2 ODR-AudioEnc-fcb034bc78424b6b0c84be2d3feba3876bf7e856.zip | |
Remove dabplus-enc-file
| -rw-r--r-- | Makefile.am | 8 | ||||
| -rw-r--r-- | README.md | 13 | ||||
| -rw-r--r-- | src/dabplus-enc-file.c | 433 | 
3 files changed, 7 insertions, 447 deletions
| diff --git a/Makefile.am b/Makefile.am index 1097113..a357778 100644 --- a/Makefile.am +++ b/Makefile.am @@ -43,11 +43,6 @@ libfdk_aac_la_LDFLAGS = -version-info @FDK_AAC_VERSION@ -no-undefined \  #aac_enc_SOURCES = src/aac-enc.c \  #				  src/wavreader.c -dabplus_enc_file_LDADD     = libfdk-aac.la -lfec -dabplus_enc_file_CFLAGS    = $(AM_CPPFLAGS) $(GITVERSION_FLAGS) -dabplus_enc_file_SOURCES   = src/dabplus-enc-file.c \ -							 src/wavreader.c -  dabplus_enc_file_zmq_LDADD     = libfdk-aac.la -lfec -lzmq  dabplus_enc_file_zmq_CFLAGS    = $(AM_CPPFLAGS) $(GITVERSION_FLAGS)  dabplus_enc_file_zmq_SOURCES   = src/dabplus-enc-file-zmq.c \ @@ -72,8 +67,7 @@ mot_encoder_SOURCES  = src/mot-encoder.c \  					   contrib/lib_crc.h \  					   contrib/lib_crc.c -bin_PROGRAMS =  dabplus-enc-file$(EXEEXT) \ -				dabplus-enc-file-zmq$(EXEEXT) \ +bin_PROGRAMS =  dabplus-enc-file-zmq$(EXEEXT) \  				dabplus-enc-alsa-zmq$(EXEEXT) \  				mot-encoder$(EXEEXT) @@ -5,11 +5,9 @@ This package contains several tools that use the standalone library  of the Fraunhofer FDK AAC code from Android, patched for  960-transform to do DAB+ broadcast encoding. -The first tool, *dabplus-enc-file* can encode from a file or pipe -source, and encode into a file or pipe. There is no PAD support. -  The *dabplus-enc-file-zmq* can encode from a file or pipe source, -and encode to a ZeroMQ output compatible with ODR-DabMux. +and encode to a ZeroMQ output compatible with ODR-DabMux, to a +file or to stdout.  The *dabplus-enc-alsa-zmq* can encode from an ALSA soundcard,  and encode to a ZeroMQ output compatible with ODR-DabMux. It supports @@ -100,6 +98,7 @@ Then, you can use any media player that has an alsa output to play whatever sour  Important: you must specify the correct sample rate on both "sides" of the virtual sound card. +  Scenario 3  ----------  Live Stream encoding and preparing for DAB muxer, with ZMQ output, at 32kHz, using sox. @@ -120,16 +119,16 @@ Live Stream encoding and preparing for DAB muxer, with FIFO to odr-dabmux, 48kHz  arecord.      arecord -t raw -f S16_LE -c 2 -r 48000 -D plughw:CARD=Loopback,DEV=0,SUBDEV=0 | \ -    dabplus-enc-file -a -b 24 -f raw -c 2 -r 48000 -i /dev/stdin -o /dev/stdout 2>/dev/null | \ +    dabplus-enc-file-zmq -a -b 24 -f raw -c 2 -r 48000 -i /dev/stdin -o - | \      mbuffer -q -m 10k -P 100 -s 360 > station1.fifo -Here we are also using the ALSA plughw feature. +Here we are using the ALSA plughw feature.  Scenario 5  ----------  Wave file encoding, for non-realtime processing -    dabplus-enc-file -a -b 64 -i wave_file.wav -o station1.dabp +    dabplus-enc-file-zmq -a -b 64 -i wave_file.wav -o station1.dabp  Usage of MOT Slideshow diff --git a/src/dabplus-enc-file.c b/src/dabplus-enc-file.c deleted file mode 100644 index 64c089d..0000000 --- a/src/dabplus-enc-file.c +++ /dev/null @@ -1,433 +0,0 @@ -/* ------------------------------------------------------------------ - * Copyright (C) 2011 Martin Storsjo - * Copyright (C) 2014 Matthias P. Braendli - * - * http://opendigitalradio.org - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - *    http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either - * express or implied. - * See the License for the specific language governing permissions - * and limitations under the License. - * ------------------------------------------------------------------- - */ - -#include <stdio.h> -#include <stdint.h> -#include <string.h> -#include <unistd.h> -#include <stdlib.h> -#include <getopt.h> -#include <assert.h> -#include "libAACenc/include/aacenc_lib.h" -#include "wavreader.h" - -#include <fec.h> - -void usage(const char* name) { -    fprintf(stderr, -    "dabplus-enc-file %s is a HE-AACv2 encoder for DAB+\n" -    "based on fdk-aac-dabplus that can read from a file\n" -    "or pipe source and encode into a file or pipe.\n" -    "There is no PAD support.\n\n" -    "Usage:\n" -    "%s [OPTION...]\n\n" -    "     -b, --bitrate={ 8, 16, ..., 192 }    Output bitrate in kbps. Must be 8 multiple.\n" -    "     -i, --input=FILENAME                 Input filename (default: stdin).\n" -    "     -o, --output=FILENAME                Output filename (default: stdout).\n" -    "     -a, --afterburner                    Turn on AAC encoder quality increaser.\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" -    //"   -v, --verbose=LEVEL                  Set verbosity level.\n" -    , -#if defined(GITVERSION) -    GITVERSION -#else -    PACKAGE_VERSION -#endif -    , name); - -} - -#define no_argument 0 -#define required_argument 1 -#define optional_argument 2 - -#define ADTS_HEADER_SIZE 7 -#define ADTS_MPEG_ID 1 /* 0: MPEG-4, 1: MPEG-2 */ -#define ADTS_MPEG_PROFILE 1 -const int mpeg4audio_sample_rates[16] = { -    96000, 88200, 64000, 48000, 44100, 32000, -    24000, 22050, 16000, 12000, 11025, 8000, 7350 -}; - -int FindSRIndex(int sr) -{ -    int i; -    for (i = 0; i < 16; i++) { -    if (sr == mpeg4audio_sample_rates[i]) -        return i; -    } -    return 16 - 1; -} - -void adts_hdr_up(char *buff, int size) -{ -    unsigned short len = size + ADTS_HEADER_SIZE; -    unsigned short buffer_fullness = 0x07FF; - -    /* frame length, 13 bits */ -    buff[3] &= 0xFC; -    buff[3] |= ((len >> 11) & 0x03);    /* 2b: aac_frame_length */ -    buff[4] = len >> 3;         /* 8b: aac_frame_length */ -    buff[5] = (len << 5) & 0xE0;    /* 3b: aac_frame_length */ -    /* buffer fullness, 11 bits */ -    buff[5] |= ((buffer_fullness >> 6) & 0x1F); /* 5b: adts_buffer_fullness */ -    buff[6] = (buffer_fullness << 2) & 0xFC;    /* 6b: adts_buffer_fullness */ -                        /* 2b: num_raw_data_blocks */ -} - -int main(int argc, char *argv[]) { -    int subchannel_index = 8; //64kbps subchannel -    int ch=0; -    const char *infile, *outfile; -    FILE *in_fh, *out_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 }; - -    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'}, -        //{"lp",          no_argument,        0, 'l'}, -        //{"adts",        no_argument,        0, 't'}, -        {"afterburner", no_argument,        0, 'a'}, -        {"help",        no_argument,        0, 'h'}, -        {0,0,0,0}, -    }; - -    if (argc == 1) { -        usage(argv[0]); -        return 1; -    } - -    int index; -    while(ch != -1) { -        ch = getopt_long(argc, argv, "tlhab:c:i:o:r:f:", 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': -            outfile = 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(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(outfile && strcmp(outfile, "-")) { -        out_fh = fopen(outfile, "wb"); -        if(!out_fh) { -            fprintf(stderr, "Can't open output file!\n"); -            return 1; -        } -    } else { -        out_fh = stdout; -    } - - -    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 AOT\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 AOT\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 (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; -    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; -        int in_size, in_elem_size; -        int out_identifier = OUT_BITSTREAM_DATA; -        int out_size, out_elem_size; -        int read=0, i; -        void *in_ptr, *out_ptr; -        AACENC_ERROR err; - -        if(raw_input) { -            if(fread(input_buf, input_size, 1, in_fh) == 1) { -                read = input_size; -            } else { -                fprintf(stderr, "Unable to read from input!\n"); -                break; -            } -        } else { -            read = wav_read_data(wav, input_buf, input_size); -            // returns bytes read -        } - -        for (i = 0; i < read/2; i++) { -            const uint8_t* in = &input_buf[2*i]; -            convert_buf[i] = in[0] | (in[1] << 8); -        } - -        if (read <= 0) { -            in_args.numInSamples = -1; -        } else { -            in_ptr = convert_buf; -            in_size = read; -            in_elem_size = 2; - -            in_args.numInSamples = read/2; -            in_buf.numBufs = 1; -            in_buf.bufs = &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; -        char buf_to_rs_enc[110]; -        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); -            } -        } - -        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); -    } -    fclose(out_fh); -    free_rs_char(rs_handler); - -    aacEncClose(&handle); - -    return 0; -} - | 
