From ba346d2469facf500cbcaa9cf9117ce04ea0b6da Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Mon, 15 Feb 2016 04:32:00 +0100 Subject: Use libtoolame-dab in dabplus-enc --- libtoolame-dab/bitstream.c | 16 +- libtoolame-dab/bitstream.h | 2 +- libtoolame-dab/toolame.c | 1155 +++++--------------------------------------- libtoolame-dab/toolame.h | 38 +- 4 files changed, 139 insertions(+), 1072 deletions(-) (limited to 'libtoolame-dab') diff --git a/libtoolame-dab/bitstream.c b/libtoolame-dab/bitstream.c index 3417c89..4346d60 100644 --- a/libtoolame-dab/bitstream.c +++ b/libtoolame-dab/bitstream.c @@ -127,23 +127,11 @@ void empty_buffer (Bit_stream_struc * bs, int minimum) /* open the device to write the bit stream into it */ -void open_bit_stream_w (Bit_stream_struc * bs, char *bs_filenam, int size) +void open_bit_stream_w (Bit_stream_struc * bs, int size) { bs->zmq_sock = NULL; - if (bs_filenam[0] == '-') - bs->pt = stdout; - else if (strncmp(bs_filenam, "tcp://", 4) == 0) { - if (zmqoutput_open(bs, bs_filenam) != 0) { - fprintf(stderr, "Could not initialise ZMQ\n"); - exit(1); - } - bs->pt = NULL; // we're not using file output - } - else if ((bs->pt = fopen (bs_filenam, "wb")) == NULL) { - fprintf (stderr, "Could not create \"%s\".\n", bs_filenam); - exit (1); - } + bs->pt = NULL; // we're not using file output alloc_buffer (bs, size); bs->buf_byte_idx = size - 1; bs->buf_bit_idx = 8; diff --git a/libtoolame-dab/bitstream.h b/libtoolame-dab/bitstream.h index f7759d8..017a12d 100644 --- a/libtoolame-dab/bitstream.h +++ b/libtoolame-dab/bitstream.h @@ -1,6 +1,6 @@ int refill_buffer (Bit_stream_struc *); void empty_buffer (Bit_stream_struc *, int); -void open_bit_stream_w (Bit_stream_struc *, char *, int); +void open_bit_stream_w (Bit_stream_struc *, int); void close_bit_stream_w (Bit_stream_struc *); void alloc_buffer (Bit_stream_struc *, int); void desalloc_buffer (Bit_stream_struc *); diff --git a/libtoolame-dab/toolame.c b/libtoolame-dab/toolame.c index 09eb69e..a626552 100644 --- a/libtoolame-dab/toolame.c +++ b/libtoolame-dab/toolame.c @@ -1,15 +1,9 @@ #include #include #include -#if defined(JACK_INPUT) -# include -# include -#endif #include "common.h" #include "encoder.h" -#include "musicin.h" #include "options.h" -#include "audio_read.h" #include "bitstream.h" #include "mem.h" #include "crc.h" @@ -24,20 +18,15 @@ #include "subband.h" #include "encode_new.h" #include "toolame.h" -#include "xpad.h" #include "utils.h" -#include "vlc_input.h" -#include "zmqoutput.h" - #include -music_in_t musicin; Bit_stream_struc bs; -char *programName; -char toolameversion[] = "0.2l-ODR"; const int FPAD_LENGTH=2; +void smr_dump(double smr[2][SBLIMIT], int nch); + void global_init (void) { glopts.usepsy = TRUE; @@ -127,18 +116,17 @@ static FLOAT smrdef[2][32]; static unsigned int scfsi[2][SBLIMIT]; static unsigned int bit_alloc[2][SBLIMIT]; -static uint8_t* xpad_data; +static char* mot_file = NULL; +static char* icy_file = NULL; int toolame_init(void) { frameNum = 0; psycount = 0; - header.extension = 0; frame.header = &header; frame.tab_num = -1; /* no table loaded */ frame.alloc = NULL; - header.version = MPEG_AUDIO_ID; /* Default: MPEG-1 */ sb_sample = (SBS *) mem_alloc (sizeof (SBS), "sb_sample"); j_sample = (JSBS *) mem_alloc (sizeof (JSBS), "j_sample"); @@ -151,12 +139,115 @@ int toolame_init(void) memset ((char *) scfsi, 0, sizeof (scfsi)); memset ((char *) bit_alloc, 0, sizeof (bit_alloc)); - xpad_data = NULL; + global_init(); + + header.extension = 0; + header.version = MPEG_AUDIO_ID; /* Default: MPEG-1 */ + header.copyright = 0; + header.original = 0; + header.error_protection = FALSE; + header.dab_extension = 1; + header.lay = DFLT_LAY; + + model = DFLT_PSY; return 0; } -int toolame_encode_frame(short buffer[2][1152]) +int toolame_enable_downmix_stereo(void) +{ + glopts.downmix = TRUE; + header.mode = MPG_MD_MONO; + header.mode_ext = 0; + return 0; +} + +int toolame_enable_byteswap(void) +{ + glopts.byteswap = TRUE; + return 0; +} + +int toolame_set_channel_mode(const char mode) +{ + switch (mode) { + case 's': + header.mode = MPG_MD_STEREO; + header.mode_ext = 0; + break; + case 'd': + header.mode = MPG_MD_DUAL_CHANNEL; + header.mode_ext = 0; + break; + /* in j-stereo mode, no default header.mode_ext was defined, gave error.. + now default = 2 added by MFC 14 Dec 1999. */ + case 'j': + header.mode = MPG_MD_JOINT_STEREO; + header.mode_ext = 2; + break; + case 'm': + header.mode = MPG_MD_MONO; + header.mode_ext = 0; + break; + default: + fprintf (stderr, "libtoolame-dab: Bad mode %c\n", mode); + return 1; + } + return 0; +} + +int toolame_set_psy_model(int new_model) +{ + if (new_model < 0 || new_model > 3) { + fprintf(stderr, "libtoolame-dab: Invalid PSY model %d\n", new_model); + return 1; + } + model = new_model; + return 0; +} + +int toolame_set_bitrate(int brate) +{ + int err = 0; + + /* check for a valid bitrate */ + if (brate == 0) + brate = bitrate[header.version][10]; + + /* Check to see we have a sane value for the bitrate for this version */ + if ((header.bitrate_index = BitrateIndex (brate, header.version)) < 0) { + err = 1; + } + + if (header.dab_extension) { + /* in 48 kHz (= MPEG-1) */ + /* if the bit rate per channel is less then 56 kbit/s, we have 2 scf-crc */ + /* else we have 4 scf-crc */ + /* in 24 kHz (= MPEG-2), we have 4 scf-crc */ + if (header.version == MPEG_AUDIO_ID && (brate / (header.mode == MPG_MD_MONO ? 1 : 2) < 56)) + header.dab_extension = 2; + } + + open_bit_stream_w(&bs, BUFFER_SIZE); + + return err; +} + +int toolame_set_pad(int pad_len) +{ + header.dab_length = pad_len; + if (header.dab_length <= 0) { + fprintf(stderr, "Invalid XPAD length specified\n"); + return 1; + } + + return 0; +} + +int toolame_encode_frame( + short buffer[2][1152], + unsigned char *xpad_data, + unsigned char *output_buffer) { extern int minimum; const int nch = frame.nch; @@ -414,1034 +505,6 @@ int toolame_encode_frame(short buffer[2][1152]) } } -int oldmain (int argc, char **argv) -{ - SBS *sb_sample; - JSBS *j_sample; -#ifdef REFERENCECODE - typedef double IN[2][HAN_SIZE]; - IN *win_que; -#endif - typedef unsigned int SUB[2][3][SCALE_BLOCK][SBLIMIT]; - SUB *subband; - - frame_info frame; - frame_header header; - char original_file_name[MAX_NAME_SIZE]; - char encoded_file_name[MAX_NAME_SIZE]; - short **win_buf; - static short buffer[2][1152]; - static unsigned int bit_alloc[2][SBLIMIT], scfsi[2][SBLIMIT]; - static unsigned int scalar[2][3][SBLIMIT], j_scale[3][SBLIMIT]; - static double smr[2][SBLIMIT], lgmin[2][SBLIMIT], max_sc[2][SBLIMIT]; - // FLOAT snr32[32]; - short sam[2][1344]; /* was [1056]; */ - int model, nch, error_protection; - static unsigned int crc; - int sb, ch, adb; - unsigned long frameBits, sentBits = 0; - unsigned long num_samples; - int lg_frame; - int i; - - /* Keep track of peaks */ - int peak_left = 0; - int peak_right = 0; - - char* mot_file = NULL; - char* icy_file = NULL; - - /* Used to keep the SNR values for the fast/quick psy models */ - static FLOAT smrdef[2][32]; - - static int psycount = 0; - extern int minimum; - - sb_sample = (SBS *) mem_alloc (sizeof (SBS), "sb_sample"); - j_sample = (JSBS *) mem_alloc (sizeof (JSBS), "j_sample"); -#ifdef REFERENCECODE - win_que = (IN *) mem_alloc (sizeof (IN), "Win_que"); -#endif - subband = (SUB *) mem_alloc (sizeof (SUB), "subband"); - win_buf = (short **) mem_alloc (sizeof (short *) * 2, "win_buf"); - - /* clear buffers */ - memset ((char *) buffer, 0, sizeof (buffer)); - memset ((char *) bit_alloc, 0, sizeof (bit_alloc)); - memset ((char *) scalar, 0, sizeof (scalar)); - memset ((char *) j_scale, 0, sizeof (j_scale)); - memset ((char *) scfsi, 0, sizeof (scfsi)); - memset ((char *) smr, 0, sizeof (smr)); - memset ((char *) lgmin, 0, sizeof (lgmin)); - memset ((char *) max_sc, 0, sizeof (max_sc)); - //memset ((char *) snr32, 0, sizeof (snr32)); - memset ((char *) sam, 0, sizeof (sam)); - - global_init (); - - header.extension = 0; - frame.header = &header; - frame.tab_num = -1; /* no table loaded */ - frame.alloc = NULL; - header.version = MPEG_AUDIO_ID; /* Default: MPEG-1 */ - - programName = argv[0]; - if (argc == 1) /* no command-line args */ - short_usage (); - else - parse_args (argc, argv, &frame, &model, &num_samples, original_file_name, - encoded_file_name, &mot_file, &icy_file); - print_config (&frame, &model, original_file_name, encoded_file_name); - - uint8_t* xpad_data = NULL; - if (mot_file) { - if (header.dab_length <= 0) { - fprintf(stderr, "Invalid XPAD length specified\n"); - return 1; - } - - int err = xpad_init(mot_file, header.dab_length + 1); - if (err == -1) { - fprintf(stderr, "XPAD reader initialisation failed\n"); - return 1; - } - - xpad_data = malloc(header.dab_length + 1); - } - - /* this will load the alloc tables and do some other stuff */ - hdr_to_frps (&frame); - nch = frame.nch; - error_protection = header.error_protection; - - unsigned long samps_read; - while ((samps_read = get_audio(&musicin, buffer, num_samples, nch, &header)) > 0) { - /* Check if we have new PAD data - */ - int xpad_len = 0; - if (mot_file) { - xpad_len = xpad_read_len(xpad_data, header.dab_length + 1); - - if (xpad_len == -1) { - fprintf(stderr, "Error reading XPAD data\n"); - xpad_len = 0; - } - else if (xpad_len == 0) { - // no PAD available - } - else if (xpad_len == header.dab_length + 1) { -//#define XPAD_DEBUG -#ifdef XPAD_DEBUG - fprintf(stderr, "XPAD:"); - for (i = 0; i < xpad_len; i++) - fprintf(stderr, " %02X", xpad_data[i]); - fprintf(stderr, "\n"); -#endif - // everything OK - xpad_len = xpad_data[header.dab_length]; - assert(xpad_len > 2); - } - else { - fprintf(stderr, "xpad length=%d\n", xpad_len); - abort(); - } - } - - unsigned long j; - for (j = 0; j < 1152; j++) { - peak_left = MAX(peak_left, buffer[0][j]); - } - for (j = 0; j < 1152; j++) { - peak_right = MAX(peak_right, buffer[1][j]); - } - - // We can always set the zmq peaks, even if the output is not - // used, it just writes some variables - zmqoutput_set_peaks(peak_left, peak_right); - - if (glopts.verbosity > 1) - if (++frameNum % 10 == 0) { - - fprintf(stderr, "[%4u", frameNum); - - if (mot_file) { - fprintf(stderr, " %s", - xpad_len > 0 ? "p" : " "); - } - - if (glopts.show_level) { - fprintf(stderr, " (%6d|%-6d) ", - peak_left, peak_right); - - fprintf(stderr, "] [%6s|%-6s]\r", - level(0, &peak_left), - level(1, &peak_right) ); - } - else { - fprintf(stderr, "]\r"); - } - } - - fflush(stderr); - win_buf[0] = &buffer[0][0]; - win_buf[1] = &buffer[1][0]; - - adb = available_bits (&header, &glopts); - lg_frame = adb / 8; - if (header.dab_extension) { - /* You must have one frame in memory if you are in DAB mode */ - /* in conformity of the norme ETS 300 401 http://www.etsi.org */ - /* see bitstream.c */ - if (frameNum == 1) - minimum = lg_frame + MINIMUM; - adb -= header.dab_extension * 8 + (xpad_len ? xpad_len : FPAD_LENGTH) * 8; - } - - { - int gr, bl, ch; - /* New polyphase filter - Combines windowing and filtering. Ricardo Feb'03 */ - for( gr = 0; gr < 3; gr++ ) - for ( bl = 0; bl < 12; bl++ ) - for ( ch = 0; ch < nch; ch++ ) - WindowFilterSubband( &buffer[ch][gr * 12 * 32 + 32 * bl], ch, - &(*sb_sample)[ch][gr][bl][0] ); - } - -#ifdef REFERENCECODE - { - /* Old code. left here for reference */ - int gr, bl, ch; - for (gr = 0; gr < 3; gr++) - for (bl = 0; bl < SCALE_BLOCK; bl++) - for (ch = 0; ch < nch; ch++) { - window_subband (&win_buf[ch], &(*win_que)[ch][0], ch); - filter_subband (&(*win_que)[ch][0], &(*sb_sample)[ch][gr][bl][0]); - } - } -#endif - - -#ifdef NEWENCODE - scalefactor_calc_new(*sb_sample, scalar, nch, frame.sblimit); - find_sf_max (scalar, &frame, max_sc); - if (frame.actual_mode == MPG_MD_JOINT_STEREO) { - /* this way we calculate more mono than we need */ - /* but it is cheap */ - combine_LR_new (*sb_sample, *j_sample, frame.sblimit); - scalefactor_calc_new (j_sample, &j_scale, 1, frame.sblimit); - } -#else - scale_factor_calc (*sb_sample, scalar, nch, frame.sblimit); - pick_scale (scalar, &frame, max_sc); - if (frame.actual_mode == MPG_MD_JOINT_STEREO) { - /* this way we calculate more mono than we need */ - /* but it is cheap */ - combine_LR (*sb_sample, *j_sample, frame.sblimit); - scale_factor_calc (j_sample, &j_scale, 1, frame.sblimit); - } -#endif - - - - if ((glopts.quickmode == TRUE) && (++psycount % glopts.quickcount != 0)) { - /* We're using quick mode, so we're only calculating the model every - 'quickcount' frames. Otherwise, just copy the old ones across */ - for (ch = 0; ch < nch; ch++) { - for (sb = 0; sb < SBLIMIT; sb++) - smr[ch][sb] = smrdef[ch][sb]; - } - } else { - /* calculate the psymodel */ - switch (model) { - case -1: - psycho_n1 (smr, nch); - break; - case 0: /* Psy Model A */ - psycho_0 (smr, nch, scalar, (FLOAT) s_freq[header.version][header.sampling_frequency] * 1000); - break; - case 1: - psycho_1 (buffer, max_sc, smr, &frame); - break; - case 2: - for (ch = 0; ch < nch; ch++) { - psycho_2 (&buffer[ch][0], &sam[ch][0], ch, &smr[ch][0], //snr32, - (FLOAT) s_freq[header.version][header.sampling_frequency] * - 1000, &glopts); - } - break; - case 3: - /* Modified psy model 1 */ - psycho_3 (buffer, max_sc, smr, &frame, &glopts); - break; - case 4: - /* Modified Psycho Model 2 */ - for (ch = 0; ch < nch; ch++) { - psycho_4 (&buffer[ch][0], &sam[ch][0], ch, &smr[ch][0], // snr32, - (FLOAT) s_freq[header.version][header.sampling_frequency] * - 1000, &glopts); - } - break; - case 5: - /* Model 5 comparse model 1 and 3 */ - psycho_1 (buffer, max_sc, smr, &frame); - fprintf(stdout,"1 "); - smr_dump(smr,nch); - psycho_3 (buffer, max_sc, smr, &frame, &glopts); - fprintf(stdout,"3 "); - smr_dump(smr,nch); - break; - case 6: - /* Model 6 compares model 2 and 4 */ - for (ch = 0; ch < nch; ch++) - psycho_2 (&buffer[ch][0], &sam[ch][0], ch, &smr[ch][0], //snr32, - (FLOAT) s_freq[header.version][header.sampling_frequency] * - 1000, &glopts); - fprintf(stdout,"2 "); - smr_dump(smr,nch); - for (ch = 0; ch < nch; ch++) - psycho_4 (&buffer[ch][0], &sam[ch][0], ch, &smr[ch][0], // snr32, - (FLOAT) s_freq[header.version][header.sampling_frequency] * - 1000, &glopts); - fprintf(stdout,"4 "); - smr_dump(smr,nch); - break; - case 7: - fprintf(stdout,"Frame: %i\n",frameNum); - /* Dump the SMRs for all models */ - psycho_1 (buffer, max_sc, smr, &frame); - fprintf(stdout,"1"); - smr_dump(smr, nch); - psycho_3 (buffer, max_sc, smr, &frame, &glopts); - fprintf(stdout,"3"); - smr_dump(smr,nch); - for (ch = 0; ch < nch; ch++) - psycho_2 (&buffer[ch][0], &sam[ch][0], ch, &smr[ch][0], //snr32, - (FLOAT) s_freq[header.version][header.sampling_frequency] * - 1000, &glopts); - fprintf(stdout,"2"); - smr_dump(smr,nch); - for (ch = 0; ch < nch; ch++) - psycho_4 (&buffer[ch][0], &sam[ch][0], ch, &smr[ch][0], // snr32, - (FLOAT) s_freq[header.version][header.sampling_frequency] * - 1000, &glopts); - fprintf(stdout,"4"); - smr_dump(smr,nch); - break; - case 8: - /* Compare 0 and 4 */ - psycho_n1 (smr, nch); - fprintf(stdout,"0"); - smr_dump(smr,nch); - - for (ch = 0; ch < nch; ch++) - psycho_4 (&buffer[ch][0], &sam[ch][0], ch, &smr[ch][0], // snr32, - (FLOAT) s_freq[header.version][header.sampling_frequency] * - 1000, &glopts); - fprintf(stdout,"4"); - smr_dump(smr,nch); - break; - default: - fprintf (stderr, "Invalid psy model specification: %i\n", model); - exit (0); - } - - if (glopts.quickmode == TRUE) - /* copy the smr values and reuse them later */ - for (ch = 0; ch < nch; ch++) { - for (sb = 0; sb < SBLIMIT; sb++) - smrdef[ch][sb] = smr[ch][sb]; - } - - if (glopts.verbosity > 4) - smr_dump(smr, nch); - - - - - } - -#ifdef NEWENCODE - sf_transmission_pattern (scalar, scfsi, &frame); - main_bit_allocation_new (smr, scfsi, bit_alloc, &adb, &frame, &glopts); - //main_bit_allocation (smr, scfsi, bit_alloc, &adb, &frame, &glopts); - - if (error_protection) - CRC_calc (&frame, bit_alloc, scfsi, &crc); - - write_header (&frame, &bs); - //encode_info (&frame, &bs); - if (error_protection) - putbits (&bs, crc, 16); - write_bit_alloc (bit_alloc, &frame, &bs); - //encode_bit_alloc (bit_alloc, &frame, &bs); - write_scalefactors(bit_alloc, scfsi, scalar, &frame, &bs); - //encode_scale (bit_alloc, scfsi, scalar, &frame, &bs); - subband_quantization_new (scalar, *sb_sample, j_scale, *j_sample, bit_alloc, - *subband, &frame); - //subband_quantization (scalar, *sb_sample, j_scale, *j_sample, bit_alloc, - // *subband, &frame); - write_samples_new(*subband, bit_alloc, &frame, &bs); - //sample_encoding (*subband, bit_alloc, &frame, &bs); -#else - transmission_pattern (scalar, scfsi, &frame); - main_bit_allocation (smr, scfsi, bit_alloc, &adb, &frame, &glopts); - if (error_protection) - CRC_calc (&frame, bit_alloc, scfsi, &crc); - encode_info (&frame, &bs); - if (error_protection) - encode_CRC (crc, &bs); - encode_bit_alloc (bit_alloc, &frame, &bs); - encode_scale (bit_alloc, scfsi, scalar, &frame, &bs); - subband_quantization (scalar, *sb_sample, j_scale, *j_sample, bit_alloc, - *subband, &frame); - sample_encoding (*subband, bit_alloc, &frame, &bs); -#endif - - - /* If not all the bits were used, write out a stack of zeros */ - for (i = 0; i < adb; i++) - put1bit (&bs, 0); - - - if (xpad_len) { - assert(xpad_len > 2); - - // insert available X-PAD - for (i = header.dab_length - xpad_len; i < header.dab_length - FPAD_LENGTH; i++) - putbits (&bs, xpad_data[i], 8); - } - - - for (i = header.dab_extension - 1; i >= 0; i--) { - CRC_calcDAB (&frame, bit_alloc, scfsi, scalar, &crc, i); - /* this crc is for the previous frame in DAB mode */ - if (bs.buf_byte_idx + lg_frame < bs.buf_size) - bs.buf[bs.buf_byte_idx + lg_frame] = crc; - /* reserved 2 bytes for F-PAD in DAB mode */ - putbits (&bs, crc, 8); - } - - if (xpad_len) { - /* The F-PAD is also given us by mot-encoder */ - putbits (&bs, xpad_data[header.dab_length - 2], 8); - putbits (&bs, xpad_data[header.dab_length - 1], 8); - } - else { - putbits (&bs, 0, 16); // FPAD is all-zero - } - -#if defined(VLC_INPUT) - if (glopts.input_select == INPUT_SELECT_VLC) { - vlc_in_write_icy(); - } -#endif - - - frameBits = sstell (&bs) - sentBits; - - if (frameBits % 8) { /* a program failure */ - fprintf (stderr, "Sent %ld bits = %ld slots plus %ld\n", frameBits, - frameBits / 8, frameBits % 8); - fprintf (stderr, "If you are reading this, the program is broken\n"); - fprintf (stderr, "Please report a bug.\n"); - exit(1); - } - - sentBits += frameBits; - - // Reset peak measurement - peak_left = 0; - peak_right = 0; - } - - fprintf(stdout, "Main loop has quit with samps_read = %zu\n", samps_read); - - close_bit_stream_w (&bs); - - if ((glopts.verbosity > 1) && (glopts.vbr == TRUE)) { - int i; -#ifdef NEWENCODE - extern int vbrstats_new[15]; -#else - extern int vbrstats[15]; -#endif - fprintf (stdout, "VBR stats:\n"); - for (i = 1; i < 15; i++) - fprintf (stdout, "%4i ", bitrate[header.version][i]); - fprintf (stdout, "\n"); - for (i = 1; i < 15; i++) -#ifdef NEWENCODE - fprintf (stdout,"%4i ",vbrstats_new[i]); -#else - fprintf (stdout, "%4i ", vbrstats[i]); -#endif - fprintf (stdout, "\n"); - } - - fprintf (stderr, - "Avg slots/frame = %.3f; b/smp = %.2f; bitrate = %.3f kbps\n", - (FLOAT) sentBits / (frameNum * 8), - (FLOAT) sentBits / (frameNum * 1152), - (FLOAT) sentBits / (frameNum * 1152) * - s_freq[header.version][header.sampling_frequency]); - - if (glopts.input_select == INPUT_SELECT_WAV) { - if ( fclose (musicin.wav_input) != 0) { - fprintf (stderr, "Could not close \"%s\".\n", original_file_name); - exit (2); - } - } - - fprintf (stderr, "\nDone\n"); - exit (0); -} - -/************************************************************************ - * - * print_config - * - * PURPOSE: Prints the encoding parameters used - * - ************************************************************************/ - -void print_config (frame_info * frame, int *psy, char *inPath, - char *outPath) -{ - frame_header *header = frame->header; - - if (glopts.verbosity == 0) - return; - - fprintf (stderr, "--------------------------------------------\n"); - if (glopts.input_select == INPUT_SELECT_JACK) { - fprintf (stderr, "Input JACK\n"); - fprintf (stderr, " name %s\n", musicin.jack_name); - } - else if (glopts.input_select == INPUT_SELECT_WAV) { - fprintf (stderr, "Input File : '%s' %.1f kHz\n", - (strcmp (inPath, "-") ? inPath : "stdin"), - s_freq[header->version][header->sampling_frequency]); - } - else if (glopts.input_select == INPUT_SELECT_VLC) { - fprintf (stderr, "Input VLC\n"); - fprintf (stderr, " URI %s\n", inPath); - } - - fprintf (stderr, "Output File: '%s'\n", - (strcmp (outPath, "-") ? outPath : "stdout")); - fprintf (stderr, "%d kbps ", bitrate[header->version][header->bitrate_index]); - fprintf (stderr, "%s ", version_names[header->version]); - if (header->mode != MPG_MD_JOINT_STEREO) - fprintf (stderr, "Layer II %s Psycho model=%d (Mode_Extension=%d)\n", - mode_names[header->mode], *psy, header->mode_ext); - else - fprintf (stderr, "Layer II %s Psy model %d \n", mode_names[header->mode], - *psy); - - fprintf (stderr, "[De-emph:%s\tCopyright:%s\tOriginal:%s\tCRC:%s]\n", - ((header->emphasis) ? "On" : "Off"), - ((header->copyright) ? "Yes" : "No"), - ((header->original) ? "Yes" : "No"), - ((header->error_protection) ? "On" : "Off")); - - fprintf (stderr, "[Padding:%s\tByte-swap:%s\tChanswap:%s\tDAB:%s]\n", - ((glopts.usepadbit) ? "Normal" : "Off"), - ((glopts.byteswap) ? "On" : "Off"), - ((glopts.channelswap) ? "On" : "Off"), - ((glopts.dab) ? "On" : "Off")); - - if (glopts.vbr == TRUE) - fprintf (stderr, "VBR Enabled. Using MNR boost of %f\n", glopts.vbrlevel); - fprintf(stderr,"ATH adjustment %f\n",glopts.athlevel); - - fprintf (stderr, "--------------------------------------------\n"); -} - - -/************************************************************************ - * - * usage - * - * PURPOSE: Writes command line syntax to the file specified by #stderr# - * - ************************************************************************/ - -void usage (void) -{ /* print syntax & exit */ - /* FIXME: maybe have an option to display better definitions of help codes, and - long equivalents of the flags */ - fprintf (stdout, "\nToolame-DAB version %s\n (http://opendigitalradio.org)\n", - toolameversion); - fprintf (stdout, "MPEG Audio Layer II encoder for DAB\n\n"); - fprintf (stdout, "usage: \n"); - fprintf (stdout, "\t%s [options] (|-j |-V ) \n\n", programName); - - fprintf (stdout, "Options:\n"); - fprintf (stdout, "Input\n"); - fprintf (stdout, "\t-s sfrq input smpl rate in kHz (dflt %4.1f)\n", - DFLT_SFQ); - fprintf (stdout, "\t-a downmix from stereo to mono\n"); - fprintf (stdout, "\t-x force byte-swapping of input\n"); - fprintf (stdout, "\t-g swap channels of input file\n"); - -#if defined(JACK_INPUT) - fprintf (stdout, "\t-j use jack input\n"); -#else - fprintf (stdout, "\t-j DISABLED: JACK input not compiled in\n"); -#endif - -#if defined(VLC_INPUT) - fprintf (stdout, "\t-V use libvlc input\n"); -#else - fprintf (stdout, "\t-V DISABLED: libvlc input not compiled in\n"); -#endif - - fprintf (stdout, "\t-W file when using libvlc input, write the ICY-Text to file\n"); - fprintf (stdout, "\t-L enable audio level display\n"); - fprintf (stdout, "Output\n"); - fprintf (stdout, "\t-m mode channel mode : s/d/j/m (dflt %4c)\n", - DFLT_MOD); - fprintf (stdout, "\t-y psy psychoacoustic model 0/1/2/3 (dflt %4u)\n", - DFLT_PSY); - fprintf (stdout, "\t-b br total bitrate in kbps (dflt 192)\n"); - fprintf (stdout, "\t-v lev vbr mode\n"); - fprintf (stdout, "\t-l lev ATH level (dflt 0)\n"); - fprintf (stdout, "Operation\n"); - // fprintf (stdout, "\t-f fast mode (turns off psy model)\n"); - // deprecate the -f switch. use "-y 0" instead. - fprintf (stdout, - "\t-q num quick mode. only calculate psy model every num frames\n"); - fprintf (stdout, "Misc\n"); - fprintf (stdout, "\t-d emp de-emphasis n/5/c (dflt %4c)\n", - DFLT_EMP); - fprintf (stdout, "\t-c mark as copyright\n"); - fprintf (stdout, "\t-o mark as original\n"); - fprintf (stdout, "\t-e add error protection\n"); - fprintf (stdout, "\t-r force padding bit/frame off\n"); - fprintf (stdout, "\t-p len " - "enable PAD, and read len bytes of X-PAD data per frame\n"); - fprintf (stdout, "\t-P file " - "read X-PAD data from mot-encoder from the specified file\n"); - fprintf (stdout, "\t-t talkativity 0=no messages (dflt 2)\n"); - fprintf (stdout, "Files\n"); - fprintf (stdout, - "\tinput input sound file. (WAV,AIFF,PCM or use '/dev/stdin')\n"); - fprintf (stdout, "\toutput output bit stream of encoded audio\n"); - fprintf (stdout, "\t prefix with tcp:// to use a ZMQ output\n"); - fprintf (stdout, "\t Several ZMQ destinations can be given,\n"); - fprintf (stdout, "\t separated by semicolons.\n"); - fprintf (stdout, - "\n\tAllowable bitrates for 16, 22.05 and 24kHz sample input\n"); - fprintf (stdout, - "\t8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160\n"); - fprintf (stdout, - "\n\tAllowable bitrates for 32, 44.1 and 48kHz sample input\n"); - fprintf (stdout, - "\t32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384\n"); - exit (1); -} - -/********************************************* - * void short_usage(void) - ********************************************/ -void short_usage (void) -{ - /* print a bit of info about the program */ - fprintf (stderr, "Toolame-DAB version %s\n (http://opendigitalradio.org)\n", - toolameversion); - fprintf (stderr, "MPEG Audio Layer II encoder for DAB\n\n"); -#if defined(JACK_INPUT) && defined(VLC_INPUT) - fprintf (stderr, "USAGE: %s [options] (|-j |-V ) [output]\n\n", programName); -#elif defined(JACK_INPUT) - fprintf (stderr, "USAGE: %s [options] (|-j ) [output]\n\n", programName); - fprintf (stderr, "VLC input not compiled in\n"); -#elif defined(VLC_INPUT) - fprintf (stderr, "USAGE: %s [options] (|-V ) [output]\n\n", programName); - fprintf (stderr, "JACK input not compiled in\n"); -#else - fprintf (stderr, "USAGE: %s [options] [output]\n\n", programName); - fprintf (stderr, "Neither JACK nor libVLC input compiled in\n"); -#endif - fprintf (stderr, "Try \"%s -h\" for more information.\n", programName); - exit (0); -} - -/************************************************************************ - * - * parse_args - * - * PURPOSE: Sets encoding parameters to the specifications of the - * command line. Default settings are used for parameters - * not specified in the command line. - * - * SEMANTICS: The command line is parsed according to the following - * syntax: - * - * -j turns on JACK input - * -V turns on libVLC input - * -L turns on audio level display - * -m is followed by the mode - * -y is followed by the psychoacoustic model number - * -s is followed by the sampling rate - * -b is followed by the total bitrate, irrespective of the mode - * -d is followed by the emphasis flag - * -c is followed by the copyright/no_copyright flag - * -o is followed by the original/not_original flag - * -e is followed by the error_protection on/off flag - * -f turns off psy model (fast mode) - * -q only calculate psy model every ith frame - * -a downmix from stereo to mono - * -r turn off padding bits in frames. - * -x force byte swapping of input - * -g swap the channels on an input file - * -t talkativity. how verbose should the program be. 0 = no messages. - * - * If the input file is in AIFF format, the sampling frequency is read - * from the AIFF header. - * - * The input and output filenames are read into #inpath# and #outpath#. - * - ************************************************************************/ - -void parse_args (int argc, char **argv, frame_info * frame, int *psy, - unsigned long *num_samples, char inPath[MAX_NAME_SIZE], - char outPath[MAX_NAME_SIZE], char **mot_file, char **icy_file) -{ - FLOAT srate; - int brate; - frame_header *header = frame->header; - int err = 0, i = 0; - long samplerate = 0; - - /* preset defaults */ - inPath[0] = '\0'; - outPath[0] = '\0'; - header->lay = DFLT_LAY; - switch (DFLT_MOD) { - case 's': - header->mode = MPG_MD_STEREO; - header->mode_ext = 0; - break; - case 'd': - header->mode = MPG_MD_DUAL_CHANNEL; - header->mode_ext = 0; - break; - /* in j-stereo mode, no default header->mode_ext was defined, gave error.. - now default = 2 added by MFC 14 Dec 1999. */ - case 'j': - header->mode = MPG_MD_JOINT_STEREO; - header->mode_ext = 2; - break; - case 'm': - header->mode = MPG_MD_MONO; - header->mode_ext = 0; - break; - default: - fprintf (stderr, "%s: Bad mode dflt %c\n", programName, DFLT_MOD); - abort (); - } - *psy = DFLT_PSY; - if ((header->sampling_frequency = - SmpFrqIndex ((long) (1000 * DFLT_SFQ), &header->version)) < 0) { - fprintf (stderr, "%s: bad sfrq default %.2f\n", programName, DFLT_SFQ); - abort (); - } - header->bitrate_index = 14; - brate = 0; - switch (DFLT_EMP) { - case 'n': - header->emphasis = 0; - break; - case '5': - header->emphasis = 1; - break; - case 'c': - header->emphasis = 3; - break; - default: - fprintf (stderr, "%s: Bad emph dflt %c\n", programName, DFLT_EMP); - abort (); - } - header->copyright = 0; - header->original = 0; - header->error_protection = FALSE; - header->dab_extension = 0; - - glopts.input_select = INPUT_SELECT_WAV; - - /* process args */ - while (++i < argc && err == 0) { - char c, *token, *arg, *nextArg; - int argUsed; - - token = argv[i]; - if (*token++ == '-') { - if (i + 1 < argc) - nextArg = argv[i + 1]; - else - nextArg = ""; - argUsed = 0; - if (!*token) { - /* The user wants to use stdin and/or stdout. */ - if (inPath[0] == '\0') - strncpy (inPath, argv[i], MAX_NAME_SIZE); - else if (outPath[0] == '\0') - strncpy (outPath, argv[i], MAX_NAME_SIZE); - } - while ((c = *token++)) { - if (*token /* NumericQ(token) */ ) - arg = token; - else - arg = nextArg; - switch (c) { - case 'm': - argUsed = 1; - if (*arg == 's') { - header->mode = MPG_MD_STEREO; - header->mode_ext = 0; - } else if (*arg == 'd') { - header->mode = MPG_MD_DUAL_CHANNEL; - header->mode_ext = 0; - } else if (*arg == 'j') { - header->mode = MPG_MD_JOINT_STEREO; - } else if (*arg == 'm') { - header->mode = MPG_MD_MONO; - header->mode_ext = 0; - } else { - fprintf (stderr, "%s: -m mode must be s/d/j/m not %s\n", - programName, arg); - err = 1; - } - break; - case 'y': - *psy = atoi (arg); - argUsed = 1; - break; - - case 'L': - glopts.show_level = 1; - break; - - case 's': - argUsed = 1; - srate = atof (arg); - /* samplerate = rint( 1000.0 * srate ); $A */ - samplerate = (long) ((1000.0 * srate) + 0.5); - if ((header->sampling_frequency = - SmpFrqIndex ((long) samplerate, &header->version)) < 0) - err = 1; - break; - - case 'j': - glopts.input_select = INPUT_SELECT_JACK; - break; - - case 'b': - argUsed = 1; - brate = atoi (arg); - break; - case 'd': - argUsed = 1; - if (*arg == 'n') - header->emphasis = 0; - else if (*arg == '5') - header->emphasis = 1; - else if (*arg == 'c') - header->emphasis = 3; - else { - fprintf (stderr, "%s: -d emp must be n/5/c not %s\n", programName, - arg); - err = 1; - } - break; - case 'P': - argUsed = 1; - *mot_file = arg; - break; - case 'p': - argUsed = 1; - header->dab_length = atoi(arg); - break; - case 'c': - header->copyright = 1; - break; - case 'o': - header->original = 1; - break; - case 'e': - header->error_protection = TRUE; - break; - case 'r': - glopts.usepadbit = FALSE; - header->padding = 0; - break; - case 'q': - argUsed = 1; - glopts.quickmode = TRUE; - glopts.usepsy = TRUE; - glopts.quickcount = atoi (arg); - if (glopts.quickcount == 0) { - /* just don't use psy model */ - glopts.usepsy = FALSE; - glopts.quickcount = FALSE; - } - break; - case 'a': - glopts.downmix = TRUE; - header->mode = MPG_MD_MONO; - header->mode_ext = 0; - break; - case 'x': - glopts.byteswap = TRUE; - break; - case 'v': - argUsed = 1; - glopts.vbr = TRUE; - glopts.vbrlevel = atof (arg); - glopts.usepadbit = FALSE; /* don't use padding for VBR */ - header->padding = 0; - /* MFC Feb 2003: in VBR mode, joint stereo doesn't make - any sense at the moment, as there are no noisy subbands - according to bits_for_nonoise in vbr mode */ - header->mode = MPG_MD_STEREO; /* force stereo mode */ - header->mode_ext = 0; - break; - case 'V': - glopts.input_select = INPUT_SELECT_VLC; - break; - case 'W': - argUsed = 1; - *icy_file = arg; - break; - case 'l': - argUsed = 1; - glopts.athlevel = atof(arg); - break; - case 'h': - usage (); - break; - case 'g': - glopts.channelswap = TRUE; - break; - case 't': - argUsed = 1; - glopts.verbosity = atoi (arg); - break; - default: - fprintf (stderr, "%s: unrec option %c\n", programName, c); - err = 1; - break; - } - if (argUsed) { - if (arg == token) - token = ""; /* no more from token */ - else - ++i; /* skip arg we used */ - arg = ""; - argUsed = 0; - } - } - } else { - if (inPath[0] == '\0') - strcpy (inPath, argv[i]); - else if (outPath[0] == '\0') - strcpy (outPath, argv[i]); - else { - fprintf (stderr, "%s: excess arg %s\n", programName, argv[i]); - err = 1; - } - } - } - - /* Always enable DAB mode */ - header->error_protection = TRUE; - header->dab_extension = 4; - header->padding = 0; - glopts.dab = TRUE; - - if (err) - usage (); /* If err has occured, then call usage() */ - - if (glopts.input_select != INPUT_SELECT_JACK && inPath[0] == '\0') - usage (); /* If not in jack-mode and no file specified, then call usage() */ - - if (outPath[0] == '\0') { - /* replace old extension with new one, 1992-08-19, 1995-06-12 shn */ - new_ext (inPath, DFLT_EXT, outPath); - } - - if (glopts.input_select == INPUT_SELECT_JACK) { -#if defined(JACK_INPUT) - musicin.jack_name = inPath; - *num_samples = MAX_U_32_NUM; - - setup_jack(header, musicin.jack_name); -#else - fprintf(stderr, "JACK input not compiled in\n"); - exit(1); -#endif - } - else if (glopts.input_select == INPUT_SELECT_WAV) { - if (!strcmp (inPath, "-")) { - musicin.wav_input = stdin; /* read from stdin */ - *num_samples = MAX_U_32_NUM; - } else { - if ((musicin.wav_input = fopen (inPath, "rb")) == NULL) { - fprintf (stderr, "Could not find \"%s\".\n", inPath); - exit (1); - } - parse_input_file (musicin.wav_input, inPath, header, num_samples); - } - } - else if (glopts.input_select == INPUT_SELECT_VLC) { - if (samplerate == 0) { - fprintf (stderr, "Samplerate not specified\n"); - exit (1); - } - *num_samples = MAX_U_32_NUM; - int channels = (header->mode == MPG_MD_MONO) ? 1 : 2; -#if defined(VLC_INPUT) - if (vlc_in_prepare(glopts.verbosity, samplerate, inPath, channels, *icy_file) != 0) { - fprintf(stderr, "VLC initialisation failed\n"); - exit(1); - } -#else - fprintf(stderr, "VLC input not compiled in\n"); - exit(1); -#endif - } - else { - fprintf(stderr, "INVALID INPUT\n"); - exit(1); - } - - - /* check for a valid bitrate */ - if (brate == 0) - brate = bitrate[header->version][10]; - - /* Check to see we have a sane value for the bitrate for this version */ - if ((header->bitrate_index = BitrateIndex (brate, header->version)) < 0) - err = 1; - - if (header->dab_extension) { - /* in 48 kHz (= MPEG-1) */ - /* if the bit rate per channel is less then 56 kbit/s, we have 2 scf-crc */ - /* else we have 4 scf-crc */ - /* in 24 kHz (= MPEG-2), we have 4 scf-crc */ - if (header->version == MPEG_AUDIO_ID && (brate / (header->mode == MPG_MD_MONO ? 1 : 2) < 56)) - header->dab_extension = 2; - } - - bs.zmq_framesize = 3 * brate; - - /* All options are hunky dory, open the input audio file and - return to the main drag */ - open_bit_stream_w (&bs, outPath, BUFFER_SIZE); -} - - void smr_dump(double smr[2][SBLIMIT], int nch) { int ch, sb; diff --git a/libtoolame-dab/toolame.h b/libtoolame-dab/toolame.h index 4289ab5..d7f8198 100644 --- a/libtoolame-dab/toolame.h +++ b/libtoolame-dab/toolame.h @@ -1,16 +1,32 @@ +#ifndef __TOOLAME_H_ +#define __TOOLAME_H_ -void global_init (void); -void proginfo (void); -void short_usage (void); +/* All exported functions shown here return zero + * on success */ -void obtain_parameters (frame_info *, int *, unsigned long *, - char[MAX_NAME_SIZE], char[MAX_NAME_SIZE]); -void parse_args (int, char **, frame_info *, int *, unsigned long *, - char[MAX_NAME_SIZE], char[MAX_NAME_SIZE], char**, char**); -void print_config (frame_info *, int *, - char[MAX_NAME_SIZE], char[MAX_NAME_SIZE]); -void usage (void); +/* Initialise toolame encoding library. */ +int toolame_init(void); +int toolame_enable_downmix_stereo(void); +int toolame_enable_byteswap(void); -void smr_dump(double smr[2][SBLIMIT], int nch); +/* Set channel mode. Allowed values: + * s, d, j , and m + */ +int toolame_set_channel_mode(const char mode); + +/* Valid PSY models: 0 to 3 */ +int toolame_set_psy_model(int new_model); + +int toolame_set_bitrate(int brate); + +/* Enable PAD insertion from the specified file with length */ +int toolame_set_pad(int pad_len); + +int toolame_encode_frame( + short buffer[2][1152], + unsigned char* xpad_data, + unsigned char *output_buffer); + +#endif // __TOOLAME_H_ -- cgit v1.2.3