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-rw-r--r--src/enctest.cpp866
1 files changed, 866 insertions, 0 deletions
diff --git a/src/enctest.cpp b/src/enctest.cpp
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--- /dev/null
+++ b/src/enctest.cpp
@@ -0,0 +1,866 @@
+/* ------------------------------------------------------------------
+ * Copyright (C) 2011 Martin Storsjo
+ * Copyright (C) 2013,2014 Matthias P. Braendli
+ *
+ * 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 "config.h"
+#include "AlsaInput.h"
+#include "FileInput.h"
+#include "JackInput.h"
+#include "SampleQueue.h"
+#include "zmq.hpp"
+
+extern "C" {
+#include "encryption.h"
+#include "utils.h"
+#include "wavreader.h"
+}
+
+#include <string>
+#include <getopt.h>
+#include <cstdio>
+#include <stdint.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+
+#include "libAACenc/include/aacenc_lib.h"
+
+extern "C" {
+#include <fec.h>
+}
+
+using namespace std;
+
+void usage(const char* name) {
+ fprintf(stderr,
+ "dabplus-enc %s is a HE-AACv2 encoder for DAB+\n"
+ "based on fdk-aac-dabplus that can read from"
+ "JACK, ALSA or a file source\n"
+ "and encode to a ZeroMQ output for ODR-DabMux.\n"
+ "\n"
+ "This is a test tool\n"
+ "\nUsage:\n"
+ "%s (-i file|-d alsa_device) [OPTION...]\n",
+#if defined(GITVERSION)
+ GITVERSION
+#else
+ PACKAGE_VERSION
+#endif
+ , name);
+ fprintf(stderr,
+ " For the alsa input:\n"
+ " -d, --device=alsa_device Set ALSA input device (default: \"default\").\n"
+ " -D, --drift-comp Enable ALSA sound card drift compensation.\n"
+ " For the file input:\n"
+ " -i, --input=FILENAME Input filename (default: stdin).\n"
+ " -f, --format={ wav, raw } Set input file format (default: wav).\n"
+ " --fifo-silence Input file is fifo and encoder generates silence when fifo is empty. Ignore EOF.\n"
+ " For the JACK input:\n"
+#if HAVE_JACK
+ " -j, --jack=name Enable JACK input, and define our name\n"
+#else
+ " The JACK input was disabled at compile-time\n"
+#endif
+ " Encoder parameters:\n"
+ " -b, --bitrate={ 8, 16, ..., 192 } Output bitrate in kbps. Must be a multiple of 8.\n"
+ " -A, --no-afterburner Disable AAC encoder quality increaser.\n"
+ " -c, --channels={ 1, 2 } Nb of input channels (default: 2).\n"
+ " -r, --rate={ 32000, 48000 } Input sample rate (default: 48000).\n"
+ " --aaclc Force the usage of AAC-LC (no SBR, no PS)\n"
+ " --sbr Force the usage of SBR\n"
+ " -g, --granule-length={960, 1024} Set the granule length\n"
+ //" --ps Force the usage of PS\n"
+ " Output and pad parameters:\n"
+ " -o, --output=URI Output zmq uri. (e.g. 'tcp://localhost:9000')\n"
+ " -or- Output file uri. (e.g. 'file.dabp')\n"
+ " -or- a single dash '-' to denote stdout\n"
+ " -k, --secret-key=FILE Enable ZMQ encryption with the given secret key.\n"
+ " -p, --pad=BYTES Set PAD size in bytes.\n"
+ " -P, --pad-fifo=FILENAME Set PAD data input fifo name"
+ " (default: /tmp/pad.fifo).\n"
+ " -l, --level Show peak audio level indication.\n"
+ " -s, --silence=TIMEOUT Abort encoding after TIMEOUT seconds of silence.\n"
+ "\n"
+ "Only the tcp:// zeromq transport has been tested until now,\n"
+ " but epgm:// and pgm:// are also accepted\n"
+ );
+
+}
+
+int prepare_aac_encoder(
+ HANDLE_AACENCODER *encoder,
+ int subchannel_index,
+ int channels,
+ int sample_rate,
+ int afterburner,
+ int *aot,
+ int granule_length)
+{
+ HANDLE_AACENCODER handle = *encoder;
+
+ CHANNEL_MODE mode;
+ 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;
+ }
+
+ *encoder = handle;
+
+ fprintf(stderr, "Using %d subchannels. AAC type: %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" :
+ *aot == AOT_SBR ? "AAC Non-DAB+ SBR" :
+ *aot == AOT_AAC_LC ? "AAC Non-DAB+ 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 sample rate\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, granule_length) != AACENC_OK) {
+ fprintf(stderr, "Unable to set the granule length\n");
+ return 1;
+ }
+
+ if (aacEncoder_SetParam(handle, AACENC_TRANSMUX, TT_MP4_ADTS) != AACENC_OK) {
+ fprintf(stderr, "Unable to set the ADTS format\n");
+ return 1;
+ }
+
+ /*if (aacEncoder_SetParam(handle, AACENC_BITRATEMODE, 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 (!afterburner) {
+ fprintf(stderr, "Warning: Afterburned disabled!\n");
+ }
+ if (aacEncEncode(handle, NULL, NULL, NULL, NULL) != AACENC_OK) {
+ fprintf(stderr, "Unable to initialize the encoder\n");
+ return 1;
+ }
+ return 0;
+}
+
+#define no_argument 0
+#define required_argument 1
+#define optional_argument 2
+
+#define STATUS_PAD_INSERTED 0x1
+#define STATUS_OVERRUN 0x2
+#define STATUS_UNDERRUN 0x4
+
+int main(int argc, char *argv[])
+{
+ int subchannel_index = 8; //64kbps subchannel
+ int ch=0;
+
+ // For the ALSA input
+ const char *alsa_device = NULL;
+
+ // For the file input
+ const char *infile = NULL;
+ int raw_input = 0;
+
+ // For the file output
+ FILE *out_fh = NULL;
+
+ const char *jack_name = NULL;
+
+ const char *outuri = NULL;
+ int sample_rate=48000, channels=2;
+ int granule_length = 1024;
+ void *rs_handler = NULL;
+ bool afterburner = true;
+ bool inFifoSilence = false;
+ bool drift_compensation = false;
+ AACENC_InfoStruct info = { 0 };
+ int aot = AOT_NONE;
+
+ /* Keep track of peaks */
+ int peak_left = 0;
+ int peak_right = 0;
+
+ /* On silence, die after the silence_timeout expires */
+ bool die_on_silence = false;
+ int silence_timeout = 0;
+ int measured_silence_ms = 0;
+
+ /* For MOT Slideshow and DLS insertion */
+ const char* pad_fifo = "/tmp/pad.fifo";
+ int pad_fd;
+ unsigned char pad_buf[128];
+ int padlen = 0;
+
+ /* Encoder status, see the above STATUS macros */
+ int status = 0;
+
+ /* Whether to show the 'sox'-like measurement */
+ int show_level = 0;
+
+ /* Data for ZMQ CURVE authentication */
+ char* keyfile = NULL;
+ char secretkey[CURVE_KEYLEN+1];
+
+ const struct option longopts[] = {
+ {"bitrate", required_argument, 0, 'b'},
+ {"channels", required_argument, 0, 'c'},
+ {"device", required_argument, 0, 'd'},
+ {"format", required_argument, 0, 'f'},
+ {"granule_length", required_argument, 0, 'g'},
+ {"input", required_argument, 0, 'i'},
+ {"jack", required_argument, 0, 'j'},
+ {"output", required_argument, 0, 'o'},
+ {"pad", required_argument, 0, 'p'},
+ {"pad-fifo", required_argument, 0, 'P'},
+ {"rate", required_argument, 0, 'r'},
+ {"silence", required_argument, 0, 's'},
+ {"secret-key", required_argument, 0, 'k'},
+ {"no-afterburner", no_argument, 0, 'A'},
+ {"afterburner", no_argument, 0, 'a'},
+ {"drift-comp", no_argument, 0, 'D'},
+ {"help", no_argument, 0, 'h'},
+ {"level", no_argument, 0, 'l'},
+ {"aaclc", no_argument, 0, 0 },
+ {"sbr", no_argument, 0, 1 },
+ {"ps", no_argument, 0, 2 },
+ {"fifo-silence", no_argument, 0, 3 },
+ {0, 0, 0, 0},
+ };
+
+ fprintf(stderr,
+ "Welcome to %s %s, compiled at %s, %s",
+ PACKAGE_NAME,
+#if defined(GITVERSION)
+ GITVERSION,
+#else
+ PACKAGE_VERSION,
+#endif
+ __DATE__, __TIME__);
+ fprintf(stderr, "\n");
+ fprintf(stderr, " http://opendigitalradio.org\n\n");
+
+
+ if (argc < 2) {
+ usage(argv[0]);
+ return 1;
+ }
+
+ int index;
+ while(ch != -1) {
+ ch = getopt_long(argc, argv, "aAhDlb:c:f:g:i:j:k:o:r:d:p:P:s:", longopts, &index);
+ switch (ch) {
+ case 0: // AAC-LC
+ aot = AOT_AAC_LC;
+ break;
+ case 1: // SBR
+ aot = AOT_SBR;
+ break;
+ case 3: // FIFO SILENCE
+ inFifoSilence = true;
+ break;
+ case 'a':
+ fprintf(stderr, "Warning, -a option does not exist anymore!\n");
+ break;
+ case 'A':
+ afterburner = false;
+ break;
+ case 'b':
+ subchannel_index = atoi(optarg) / 8;
+ break;
+ case 'c':
+ channels = atoi(optarg);
+ break;
+ case 'd':
+ alsa_device = optarg;
+ break;
+ case 'D':
+ drift_compensation = true;
+ break;
+ case 'f':
+ if(strcmp(optarg, "raw")==0) {
+ raw_input = 1;
+ } else if(strcmp(optarg, "wav")!=0)
+ usage(argv[0]);
+ break;
+ case 'g':
+ granule_length = atoi(optarg);
+ break;
+ case 'i':
+ infile = optarg;
+ break;
+ case 'j':
+#if HAVE_JACK
+ jack_name = optarg;
+#else
+ fprintf(stderr, "JACK disabled at compile time!\n");
+ return 1;
+#endif
+ break;
+ case 'k':
+ keyfile = optarg;
+ break;
+ case 'l':
+ show_level = 1;
+ break;
+ case 'o':
+ outuri = optarg;
+ break;
+ case 'p':
+ padlen = atoi(optarg);
+ break;
+ case 'P':
+ pad_fifo = optarg;
+ break;
+ case 'r':
+ sample_rate = atoi(optarg);
+ break;
+ case 's':
+ silence_timeout = atoi(optarg);
+ if (silence_timeout > 0 && silence_timeout < 3600*24*30) {
+ die_on_silence = true;
+ }
+ else {
+ fprintf(stderr, "Invalid silence timeout (%d) given!\n");
+ return 1;
+ }
+
+ break;
+ case '?':
+ case 'h':
+ usage(argv[0]);
+ return 1;
+ }
+ }
+
+ if (alsa_device && infile && jack_name) {
+ fprintf(stderr, "You must define only one possible input, not several!\n");
+ return 1;
+ }
+
+ if (subchannel_index < 1 || subchannel_index > 24) {
+ fprintf(stderr, "Bad subchannel index: %d, must be between 1 and 24. Try other bitrate.\n",
+ subchannel_index);
+ return 1;
+ }
+
+ if ( ! (sample_rate == 32000 || sample_rate == 48000)) {
+ fprintf(stderr, "Invalid sample rate. Possible values are: 32000, 48000.\n");
+ return 1;
+ }
+
+ zmq::context_t zmq_ctx;
+ zmq::socket_t zmq_sock(zmq_ctx, ZMQ_PUB);
+
+ if (outuri) {
+ if (strcmp(outuri, "-") == 0) {
+ out_fh = stdout;
+ }
+ else if ((strncmp(outuri, "tcp://", 6) == 0) ||
+ (strncmp(outuri, "pgm://", 6) == 0) ||
+ (strncmp(outuri, "epgm://", 7) == 0)) {
+ if (keyfile) {
+ fprintf(stderr, "Enabling encryption\n");
+
+ int rc = readkey(keyfile, secretkey);
+ if (rc) {
+ fprintf(stderr, "Error reading secret key\n");
+ return 2;
+ }
+
+ const int yes = 1;
+ zmq_sock.setsockopt(ZMQ_CURVE_SERVER,
+ &yes, sizeof(yes));
+
+ zmq_sock.setsockopt(ZMQ_CURVE_SECRETKEY,
+ secretkey, CURVE_KEYLEN);
+ }
+ zmq_sock.connect(outuri);
+ }
+ else { // We assume it's a file name
+ out_fh = fopen(outuri, "wb");
+
+ if (!out_fh) {
+ fprintf(stderr, "Can't open output file!\n");
+ return 1;
+ }
+ }
+ }
+ else {
+ fprintf(stderr, "Output URI not defined\n");
+ return 1;
+ }
+
+ if (padlen != 0) {
+ int flags;
+ if (mkfifo(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(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;
+ }
+ }
+
+
+ HANDLE_AACENCODER encoder;
+
+ if (prepare_aac_encoder(&encoder, subchannel_index, channels,
+ sample_rate, afterburner, &aot, granule_length) != 0) {
+ fprintf(stderr, "Encoder preparation failed\n");
+ return 1;
+ }
+
+ /* We assume that we need to call the encoder
+ * enc_calls_per_output before it gives us one encoded audio
+ * frame. This information is used when the alsa drift compensation
+ * is active
+ */
+ const int enc_calls_per_output =
+ (aot == AOT_DABPLUS_AAC_LC) ? sample_rate / 8000 : sample_rate / 16000;
+
+
+ if (aacEncInfo(encoder, &info) != AACENC_OK) {
+ fprintf(stderr, "Unable to get the encoder info\n");
+ return 1;
+ }
+
+ // Each DAB+ frame will need input_size audio bytes
+ const int input_size = channels * BYTES_PER_SAMPLE * info.frameLength;
+ fprintf(stderr, "DAB+ Encoding: framelen=%d (%dB)\n",
+ info.frameLength,
+ input_size);
+
+ uint8_t input_buf[input_size];
+
+ int max_size = 2*input_size + NUM_SAMPLES_PER_CALL;
+
+ SampleQueue<uint8_t> queue(BYTES_PER_SAMPLE, channels, max_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 1;
+ }
+
+ /* No input defined ? default to alsa "default" */
+ if (!alsa_device) {
+ alsa_device = "default";
+ }
+
+ // We'll use one of the tree possible inputs
+ AlsaInputThreaded alsa_in_threaded(alsa_device, channels, sample_rate, queue);
+ AlsaInputDirect alsa_in_direct(alsa_device, channels, sample_rate);
+ FileInput file_in(infile, raw_input, sample_rate);
+#if HAVE_JACK
+ JackInput jack_in(jack_name, channels, sample_rate, queue);
+#endif
+
+ if (infile) {
+ if (file_in.prepare() != 0) {
+ fprintf(stderr, "File input preparation failed\n");
+ return 1;
+ }
+ }
+#if HAVE_JACK
+ else if (jack_name) {
+ if (jack_in.prepare() != 0) {
+ fprintf(stderr, "JACK preparation failed\n");
+ return 1;
+ }
+ }
+#endif
+ else if (drift_compensation) {
+ if (alsa_in_threaded.prepare() != 0) {
+ fprintf(stderr, "Alsa preparation failed\n");
+ return 1;
+ }
+
+ fprintf(stderr, "Start ALSA capture thread\n");
+ alsa_in_threaded.start();
+ }
+ else {
+ if (alsa_in_direct.prepare() != 0) {
+ fprintf(stderr, "Alsa preparation failed\n");
+ return 1;
+ }
+ }
+
+ int outbuf_size = subchannel_index*120;
+ uint8_t zmqframebuf[ZMQ_HEADER_SIZE + 24*120];
+ zmq_frame_header_t *zmq_frame_header = (zmq_frame_header_t*)zmqframebuf;
+
+ uint8_t outbuf[24*120];
+
+ if(outbuf_size % 5 != 0) {
+ fprintf(stderr, "(outbuf_size mod 5) = %d\n", outbuf_size % 5);
+ }
+
+ fprintf(stderr, "Starting encoding\n");
+
+ int retval = 0;
+ int send_error_count = 0;
+ struct timespec tp_next;
+ clock_gettime(CLOCK_MONOTONIC, &tp_next);
+
+ int calls = 0; // for checking
+ while (1) {
+ int in_identifier[] = {IN_AUDIO_DATA, IN_ANCILLRY_DATA};
+ int out_identifier = OUT_BITSTREAM_DATA;
+
+ AACENC_BufDesc in_buf = { 0 }, out_buf = { 0 };
+ AACENC_InArgs in_args = { 0 };
+ AACENC_OutArgs out_args = { 0 };
+ void *in_ptr[2], *out_ptr;
+ int in_size[2], in_elem_size[2];
+ int out_size, out_elem_size;
+
+
+ // -------------- wait the right amount of time
+ if (drift_compensation || jack_name) {
+ struct timespec tp_now;
+ clock_gettime(CLOCK_MONOTONIC, &tp_now);
+
+ unsigned long time_now = (1000000000ul * tp_now.tv_sec) +
+ tp_now.tv_nsec;
+ unsigned long time_next = (1000000000ul * tp_next.tv_sec) +
+ tp_next.tv_nsec;
+
+ const unsigned long dabplus_superframe_nsec = 120000000ul;
+
+ const unsigned long wait_time =
+ dabplus_superframe_nsec / enc_calls_per_output;
+
+ unsigned long waiting = wait_time - (time_now - time_next);
+ if ((time_now - time_next) < wait_time) {
+ //printf("Sleep %zuus\n", waiting / 1000);
+ usleep(waiting / 1000);
+ }
+
+ // Move our time_counter into the future, for
+ // the next frame.
+ tp_next.tv_nsec += wait_time;
+ if (tp_next.tv_nsec > 1000000000L) {
+ tp_next.tv_nsec -= 1000000000L;
+ tp_next.tv_sec += 1;
+ }
+ }
+
+ // --------------- Read data from the PAD fifo
+ int ret;
+ 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;
+ if (ret > 0)
+ status |= STATUS_PAD_INSERTED;
+ }
+ else {
+ // Some other error occurred during read.
+ fprintf(stderr, "Unable to read from PAD!\n");
+ break;
+ }
+
+ // -------------- Read Data
+ memset(outbuf, 0x00, outbuf_size);
+ memset(input_buf, 0x00, input_size);
+
+ ssize_t read;
+ if (infile) {
+ read = file_in.read(input_buf, input_size);
+ if (read < 0) {
+ break;
+ }
+ else if (read != input_size) {
+ if (inFifoSilence && file_in.eof()) {
+ memset(input_buf, 0, input_size);
+ read = input_size;
+ usleep((long)input_size * 1000000 /
+ (BYTES_PER_SAMPLE * channels * sample_rate));
+ }
+ else {
+ fprintf(stderr, "Short file read !\n");
+ break;
+ }
+ }
+ }
+ else if (drift_compensation || jack_name) {
+ if (drift_compensation && alsa_in_threaded.fault_detected()) {
+ fprintf(stderr, "Detected fault in alsa input!\n");
+ retval = 5;
+ break;
+ }
+
+ size_t overruns;
+ read = queue.pop(input_buf, input_size, &overruns); // returns bytes
+
+ if (read != input_size) {
+ status |= STATUS_UNDERRUN;
+ }
+
+ if (overruns) {
+ status |= STATUS_OVERRUN;
+ }
+ }
+ else {
+ read = alsa_in_direct.read(input_buf, input_size);
+ if (read < 0) {
+ break;
+ }
+ else if (read != input_size) {
+ fprintf(stderr, "Short alsa read !\n");
+ }
+ }
+
+ for (int i = 0; i < read; i+=4) {
+ int16_t l = input_buf[i] | (input_buf[i+1] << 8);
+ int16_t r = input_buf[i+2] | (input_buf[i+3] << 8);
+ peak_left = MAX(peak_left, l);
+ peak_right = MAX(peak_right, r);
+ }
+
+ /* Silence detection */
+ if (die_on_silence && MAX(peak_left, peak_right) == 0) {
+ const unsigned int dabplus_superframe_msec = 120ul;
+ const unsigned int frame_time_msec =
+ dabplus_superframe_msec / enc_calls_per_output;
+
+ measured_silence_ms += frame_time_msec;
+
+ if (measured_silence_ms > 1000*silence_timeout) {
+ fprintf(stderr, "Silence detected for %d seconds, aborting.\n",
+ silence_timeout);
+ retval = 2;
+ break;
+ }
+ }
+ else {
+ measured_silence_ms = 0;
+ }
+
+ // -------------- AAC Encoding
+
+ int calculated_padlen = ret > 0 ? padlen : 0;
+
+
+ in_ptr[0] = input_buf;
+ in_ptr[1] = pad_buf;
+ in_size[0] = read;
+ in_size[1] = calculated_padlen;
+ in_elem_size[0] = BYTES_PER_SAMPLE;
+ in_elem_size[1] = sizeof(uint8_t);
+ in_args.numInSamples = input_size/BYTES_PER_SAMPLE;
+ in_args.numAncBytes = calculated_padlen;
+
+ 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;
+
+ AACENC_ERROR err;
+ if ((err = aacEncEncode(encoder, &in_buf, &out_buf, &in_args, &out_args))
+ != AACENC_OK) {
+ if (err == AACENC_ENCODE_EOF) {
+ fprintf(stderr, "encoder error: EOF reached\n");
+ break;
+ }
+ fprintf(stderr, "Encoding failed (%d)\n", err);
+ retval = 3;
+ break;
+ }
+ calls++;
+
+ /* Check if the encoder has generated output data */
+ if (out_args.numOutBytes != 0)
+ {
+#if 0
+ // Our timing code depends on this
+ if (calls != enc_calls_per_output) {
+ fprintf(stderr, "INTERNAL ERROR! calls=%d"
+ ", expected %d\n",
+ calls, enc_calls_per_output);
+ }
+ calls = 0;
+
+ // ----------- RS encoding
+ 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);
+ }
+ }
+#endif
+
+ if (out_fh) {
+ fwrite(outbuf, 1, out_args.numOutBytes, out_fh);
+ }
+ else {
+ // ------------ ZeroMQ transmit
+ try {
+ zmq_frame_header->version = 1;
+ zmq_frame_header->encoder = ZMQ_ENCODER_FDK;
+ zmq_frame_header->datasize = out_args.numOutBytes;
+ zmq_frame_header->audiolevel_left = peak_left;
+ zmq_frame_header->audiolevel_right = peak_right;
+
+ assert(ZMQ_FRAME_SIZE(zmq_frame_header) <= NUMOF(zmqframebuf));
+
+ memcpy(ZMQ_FRAME_DATA(zmq_frame_header),
+ outbuf, out_args.numOutBytes);
+
+ zmq_sock.send(zmqframebuf, ZMQ_FRAME_SIZE(zmq_frame_header),
+ ZMQ_DONTWAIT);
+ }
+ catch (zmq::error_t& e) {
+ fprintf(stderr, "ZeroMQ send error !\n");
+ send_error_count ++;
+ }
+
+ if (send_error_count > 10)
+ {
+ fprintf(stderr, "ZeroMQ send failed ten times, aborting!\n");
+ retval = 4;
+ break;
+ }
+ }
+
+ if (show_level) {
+ if (channels == 1) {
+ fprintf(stderr, "\rIn: [%-6s] %1s %1s %1s",
+ level(1, MAX(peak_right, peak_left)),
+ status & STATUS_PAD_INSERTED ? "P" : " ",
+ status & STATUS_UNDERRUN ? "U" : " ",
+ status & STATUS_OVERRUN ? "O" : " ");
+ }
+ else if (channels == 2) {
+ fprintf(stderr, "\rIn: [%6s|%-6s] %1s %1s %1s",
+ level(0, peak_left),
+ level(1, peak_right),
+ status & STATUS_PAD_INSERTED ? "P" : " ",
+ status & STATUS_UNDERRUN ? "U" : " ",
+ status & STATUS_OVERRUN ? "O" : " ");
+ }
+
+ peak_right = 0;
+ peak_left = 0;
+ }
+ else {
+ if (status & STATUS_OVERRUN) {
+ fprintf(stderr, "O");
+ }
+
+ if (status & STATUS_UNDERRUN) {
+ fprintf(stderr, "U");
+ }
+
+ }
+
+ status = 0;
+ }
+
+ fflush(stdout);
+ }
+ fprintf(stderr, "\n");
+
+ if (out_fh) {
+ fclose(out_fh);
+ }
+
+ zmq_sock.close();
+ free_rs_char(rs_handler);
+
+ aacEncClose(&encoder);
+
+ return retval;
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 20:39:59 +0000