Add basic audio functions (bb4878ad) · Commits · Elphel / elphel-apps-camogm

src/Makefile

+3 −3

Original line number	Diff line number	Diff line
		@@ -4,19 +4,19 @@ TEST_PROG = camogm_test
		PHPSCRIPTS = camogmstate.php $(GUIDIR)/camogmgui.php $(GUIDIR)/camogmgui.css $(GUIDIR)/camogmgui.js $(GUIDIR)/camogm_interface.php \
		$(GUIDIR)/SpryTabbedPanels.css $(GUIDIR)/SpryTabbedPanels.js $(GUIDIR)/xml_simple.php $(GUIDIR)/SpryCollapsiblePanel.css \
		$(GUIDIR)/SpryCollapsiblePanel.js
		CONFIGS = qt_source
		CONFIGS = qt_source qt_audio
		IMAGES = $(GUIDIR)/images/filebrowser-01.gif $(GUIDIR)/images/filebrowser-bottom-01.gif $(GUIDIR)/images/png_white_30.png \
		$(GUIDIR)/images/record.gif $(GUIDIR)/images/reload.png $(GUIDIR)/images/stop.gif $(GUIDIR)/images/create_folder.png \
		$(GUIDIR)/images/divider.png $(GUIDIR)/images/folder.gif $(GUIDIR)/images/help.png $(GUIDIR)/images/quicktime.png \
		$(GUIDIR)/images/rec_folder.png $(GUIDIR)/images/up_folder.gif $(GUIDIR)/images/play_audio.png $(GUIDIR)/images/hdd.png


		SRCS = camogm.c camogm_ogm.c camogm_jpeg.c camogm_mov.c camogm_kml.c camogm_read.c index_list.c camogm_align.c
		SRCS = camogm.c camogm_ogm.c camogm_jpeg.c camogm_mov.c camogm_kml.c camogm_read.c index_list.c camogm_align.c camogm_audio.c thelper.c
		TEST_SRC = camogm_test.c
		OBJS = $(SRCS:.c=.o)

		CFLAGS += -Wall -I$(STAGING_DIR_HOST)/usr/include-uapi
		LDLIBS += -logg -pthread -lm
		LDLIBS += -logg -pthread -lm -lasound

		INSTALL = install
		INSTMODE = 0755

src/camogm.c

+222 −50

Original line number	Diff line number	Diff line
		@@ -25,6 +25,7 @@
		#include <sys/ioctl.h>
		#include <sys/uio.h>
		#include <sys/stat.h>
		#include <sys/types.h>
		#include <string.h>
		#include <getopt.h>
		#include <ctype.h>
		@@ -35,6 +36,7 @@
		#include "camogm_mov.h"
		#include "camogm_kml.h"
		#include "camogm_read.h"
		#include "thelper.h"

		/** @brief Default debug level */
		#define DEFAULT_DEBUG_LVL 6
		@@ -61,6 +63,10 @@
		#define ALL_CHN_INACTIVE 0x00
		/** @brief This is a basic helper macro for processing all sensor ports at a time */
		#define FOR_EACH_PORT(indtype, indvar) for (indtype indvar = 0; indvar < SENSOR_PORTS; indvar++)
		/** @brief container_of macro as in the kernel */
		#define container_of(ptr, type, member) ({ \
		const typeof( ((type )0)->member ) __mptr = (ptr); \
		(type )( (char )__mptr - offsetof(type,member) );})

		char trailer[TRAILER_SIZE] = { 0xff, 0xd9 };

		@@ -112,8 +118,8 @@ int debug_level;
		FILE* debug_file;

		void camogm_init(camogm_state state, char pipe_name, uint16_t port_num);
		int camogm_start(camogm_state *state);
		int camogm_stop(camogm_state *state);
		int camogm_start(camogm_state *state, bool restart);
		int camogm_stop(camogm_state *state, bool reset);
		void camogm_reset(camogm_state *state);
		int camogm_debug(camogm_state state, const char fname);
		int camogm_debug_level(int d);
		@@ -152,6 +158,7 @@ static int get_disk_range(const char name, struct range rng);
		static int set_disk_range(const struct range *rng);
		static void get_disk_info(camogm_state *state);
		static struct timeval get_fpga_time(const int fd_fparsall, unsigned int port);
		static void get_fpga_time_w(const struct audio audio, struct timeval tv);
		int open_files(camogm_state *state);
		unsigned long getGPValue(unsigned int port, unsigned long GPNumber);
		void setGValue(unsigned int port, unsigned long GNumber, unsigned long value);
		@@ -162,6 +169,10 @@ void clean_up(camogm_state *state);
		static void camogm_err_stat(const camogm_state state, int port, FILE f, bool xml);
		static void camogm_set_dummy_read(camogm_state *state, int d);

		static void camogm_set_audio_state(camogm_state state, char args);
		static void camogm_set_audio_volume(camogm_state state, char args);
		static void camogm_set_audio_format(camogm_state state, char args);

		void put_uint16(void *buf, u_int16_t val)
		{
		unsigned char *tmp;
		@@ -271,6 +282,13 @@ void camogm_init(camogm_state state, char pipe_name, uint16_t port_num)
		state->writer_params.state = STATE_STOPPED;

		camogm_set_dummy_read(state, 0);

		// audio stuff
		state->audio.dev_name = DEFAULT_SND_DEVICE;
		state->audio.set_audio_channels = SAMPLE_CHANNELS;
		state->audio.set_audio_rate = SAMPLE_RATE;
		state->audio.set_audio_volume = DEFAULT_AUDIO_VOLUME;
		state->audio.get_fpga_time = get_fpga_time_w;
		}

		/**
		@@ -311,9 +329,10 @@ int camogm_debug_level(int d)
		/**
		* @brief Start recording for each active sensor port
		* @param[in] state a pointer to a structure containing current state
		* @param[in] restart flag indicating that full restart is requested
		* @return 0 if the recording finished successfully and negative error code otherwise
		*/
		int camogm_start(camogm_state *state)
		int camogm_start(camogm_state *state, bool restart)
		{
		int timestamp_start;
		int rslt;
		@@ -338,13 +357,14 @@ int camogm_start(camogm_state *state)
		int * ifp_this = (int*)&(state->this_frame_params[port]);
		if (state->kml_enable) camogm_init_kml(); // do nothing

		audio_init(&state->audio, restart);
		if (state->format != state->set_format) {
		state->format = state->set_format;
		switch (state->format) {
		case CAMOGM_FORMAT_NONE: rslt = 0; break;
		case CAMOGM_FORMAT_OGM: rslt = camogm_init_ogm(); break;
		case CAMOGM_FORMAT_JPEG: rslt = camogm_init_jpeg(state); break;
		case CAMOGM_FORMAT_MOV: rslt = camogm_init_mov(); break;
		case CAMOGM_FORMAT_MOV: rslt = camogm_init_mov(state); break;
		}
		state->formats \|= 1 << (state->format);
		// exit on unknown formats?
		@@ -483,6 +503,7 @@ int camogm_start(camogm_state *state)
		}

		// here we are ready to initialize Ogm (or other) file
		audio_start(&state->audio);
		switch (state->format) {
		case CAMOGM_FORMAT_NONE: rslt = 0; break;
		case CAMOGM_FORMAT_OGM: rslt = camogm_start_ogm(state); break;
		@@ -519,9 +540,6 @@ int sendImageFrame(camogm_state *state)
		int * ifp_this = (int*)&(state->this_frame_params[state->port_num]);
		int fp;
		int port = state->port_num;
		struct timeval start_time, end_time;

		// start_time = get_fpga_time(state->fd_fparmsall[port], port);

		// This is probably needed only for Quicktime (not to exceed already allocated frame index)
		if (!state->rawdev_op && (state->frameno >= (state->max_frames))) {
		@@ -666,6 +684,58 @@ int sendImageFrame(camogm_state *state)
		state->packetchunks[state->chunk_index ].bytes = 2;
		state->packetchunks[state->chunk_index++].chunk = (unsigned char*)trailer;

		state->audio.ts_video.tv_sec = state->this_frame_params[port].timestamp_sec;
		state->audio.ts_video.tv_usec = state->this_frame_params[port].timestamp_usec;
		int sync_ok = 1;
		// synchronize audio and video before recording has started, this need to be done only once
		if (state->audio.ctx_a.begin_of_stream_with_audio) {
		D6(fprintf(debug_file, "\n"));
		if (state->audio.ctx_a.audio_trigger) {
		state->audio.ts_video_start = state->audio.ts_audio;
		state->audio.ts_video_start.tv_usec += state->frame_period[port] / 2;
		time_normalize(&state->audio.ts_video_start);
		state->audio.ctx_a.audio_trigger = 0;
		// calculate how many audio samples we need to skip here
		long audio_to_skip = 0;
		struct timeval tv = state->audio.ts_video;
		while (time_comp(&tv, &state->audio.ts_video_start) < 0) {
		tv.tv_usec += state->frame_period[port];
		time_normalize(&tv);
		}
		tv.tv_sec -= 1;
		tv.tv_usec += 1000000;
		tv.tv_usec -= state->frame_period[port] / 2;
		time_normalize(&tv);
		if (tv.tv_sec != state->audio.ts_audio.tv_sec) {
		audio_to_skip = tv.tv_sec - state->audio.ts_audio.tv_sec;
		audio_to_skip *= 1000000;
		}
		audio_to_skip += tv.tv_usec;
		audio_to_skip -= state->audio.ts_audio.tv_usec;
		double s = state->audio.audio_rate;
		s /= 1000.0;
		s *= audio_to_skip;
		s /= 1000.0;
		state->audio.ctx_a.audio_skip_samples = (long) s;
		state->audio.ctx_a.time_start = tv;
		D6(fprintf(debug_file , "audio started at: %ld:%06ld; we need to record it from: %ld:%06ld; audio_to_skip_us == %ld; "
		"audio samples to skip == %lld\n",
		state->audio.ts_audio.tv_sec, state->audio.ts_audio.tv_usec, tv.tv_sec, tv.tv_usec, audio_to_skip,
		state->audio.ctx_a.audio_skip_samples));
		}
		D6(fprintf(debug_file, "audio (start): %ld:%06ld; video (current): %ld:%06ld; frame period is: %d us\n",
		state->audio.ts_audio.tv_sec, state->audio.ts_audio.tv_usec, state->audio.ts_video.tv_sec, state->audio.ts_video.tv_usec,
		state->frame_period[port]));
		if (time_comp(&state->audio.ts_video_start, &state->audio.ts_video) > 0) {
		D6(fprintf(debug_file, "skip this video frame\n"));
		sync_ok = 0;
		} else {
		D6(fprintf(debug_file, "save video frame with time: %ld:%06ld\n", state->audio.ts_video.tv_sec, state->audio.ts_video.tv_usec));
		state->audio.ctx_a.begin_of_stream_with_audio = 0;
		}
		}

		if (sync_ok) {
		switch (state->format) {
		case CAMOGM_FORMAT_NONE: rslt = 0; break;
		case CAMOGM_FORMAT_OGM: rslt = camogm_frame_ogm(state); break;
		@@ -673,6 +743,10 @@ int sendImageFrame(camogm_state *state)
		case CAMOGM_FORMAT_MOV: rslt = camogm_frame_mov(state); break;
		default: rslt = 0; // do nothing
		}
		} else {
		// skip only first video frames that are ahead of audio stream
		rslt = 0;
		}
		if (rslt) {
		D3(fprintf(debug_file, "sendImageFrame:12: camogm_frame_***() returned %d\n", rslt));
		return rslt;
		@@ -682,6 +756,7 @@ int sendImageFrame(camogm_state *state)

		D3(fprintf(debug_file, "_14_"));
		// advance frame pointer
		if (sync_ok)
		state->frameno++;
		state->cirbuf_rp[port] = lseek(state->fd_circ[port], LSEEK_CIRC_NEXT, SEEK_END);
		D3(fprintf(debug_file, "\tcompressed frame number: %li\t", lseek(state->fd_circ[port], LSEEK_CIRC_GETFRAME, SEEK_END)));
		@@ -695,17 +770,6 @@ int sendImageFrame(camogm_state *state)
		}
		D3(fprintf(debug_file,"cirbuf_rp to next frame = 0x%x\n", state->cirbuf_rp[port]));

		// end_time = get_fpga_time(state->fd_fparmsall[port], port);
		// unsigned int mbps; // write speed, MB/s
		// unsigned long long time_diff; // time elapsed, in microseconds
		// time_diff = ((end_time.tv_sec * 1000000 + end_time.tv_usec) - (start_time.tv_sec * 1000000 + start_time.tv_usec));
		// mbps = ((double)state->rawdev.last_jpeg_size / (double)1048576) / ((double)time_diff / (double)1000000);
		// D6(fprintf(debug_file, "Frame start time: %ld:%ld; frame end time: %ld:%ld; last frame size: %lu\n",
		// start_time.tv_sec, start_time.tv_usec,
		// end_time.tv_sec, end_time.tv_usec,
		// state->rawdev.last_jpeg_size));
		// D6(fprintf(debug_file, "Write speed: %d MB/s\n", mbps));

		return 0;
		}

		@@ -713,9 +777,10 @@ int sendImageFrame(camogm_state *state)
		* @brief Stop current recording. If recording was not started, this function has no effect. This function
		* calls @e camogm_end_* for the current file format.
		* @param[in] state a pointer to a structure containing current state
		* @param[in] reset flag indicating that sound HW should be reset as well
		* @return 0 if the operation was stopped successfully and negative error code otherwise
		*/
		int camogm_stop(camogm_state *state)
		int camogm_stop(camogm_state *state, bool reset)
		{
		int rslt = 0;

		@@ -730,8 +795,10 @@ int camogm_stop(camogm_state *state)
		}
		return 0;
		}
		D1(fprintf(debug_file, "Ending recording\n"));
		D1(fprintf(debug_file, "Stop recording\n"));
		if (state->kml_used) camogm_end_kml(state);
		if (state->audio.audio_enable)
		audio_finish(&state->audio, reset);
		switch (state->format) {
		case CAMOGM_FORMAT_NONE: rslt = 0; break;
		case CAMOGM_FORMAT_OGM: rslt = camogm_end_ogm(state); break;
		@@ -935,7 +1002,7 @@ void camogm_set_format(camogm_state *state, int d)
		case CAMOGM_FORMAT_NONE: rslt = 0; break;
		case CAMOGM_FORMAT_OGM: rslt = camogm_init_ogm(); break;
		case CAMOGM_FORMAT_JPEG: rslt = camogm_init_jpeg(state); break;
		case CAMOGM_FORMAT_MOV: rslt = camogm_init_mov(); break;
		case CAMOGM_FORMAT_MOV: rslt = camogm_init_mov(state); break;
		}
		if (rslt) {
		D0(fprintf(debug_file, "%s:%d: Error setting format to=%d\n", __FILE__, __LINE__, state->format));
		@@ -966,6 +1033,65 @@ void camogm_set_start_after_timestamp(camogm_state *state, double d)
		state->start_after_timestamp = d;
		}

		/** @brief Change audio processing state */
		static void camogm_set_audio_state(camogm_state state, char args)
		{
		if (strncmp(args, "on", 2) == 0 \|\| strncmp(args, "enable", 6) == 0) {
		state->audio.set_audio_enable = 1;
		} else if (strncmp(args, "off", 3) == 0 \|\| strncmp(args, "disable", 7) == 0){
		state->audio.set_audio_enable = 0;
		}
		}

		/** @brief Set audio volume */
		static void camogm_set_audio_volume(camogm_state state, char args)
		{
		int vol = atoi(args);

		if (vol > 65535)
		vol = 65535;
		if (vol < 0)
		vol = 0;
		state->audio.set_audio_volume = vol;
		}

		/** @brief Set audio sample rate and number of channels */
		static void camogm_set_audio_format(camogm_state state, char args)
		{
		char buf[8];
		int i;
		int channels = -1;
		int rate = -1;
		char *right = strstr(args, "/");

		if (right != NULL) {
		channels = atol(&right[1]);
		if (channels < AUDIO_CHANNELS_MIN)
		channels = AUDIO_CHANNELS_MIN;
		if (channels > AUDIO_CHANNELS_MAX)
		channels = AUDIO_CHANNELS_MAX;
		state->audio.set_audio_channels = channels;
		}
		for (i = 0; i < 7; i++) {
		if (args[i] != '\0' && args[i] != '/')
		buf[i] = args[i];
		else
		break;
		}
		buf[i] = '\0';
		if (buf[0] != '\0') {
		rate = atol(buf);
		if (rate < AUDIO_RATE_MIN)
		rate = AUDIO_RATE_MIN;
		if (rate > AUDIO_RATE_MAX)
		rate = AUDIO_RATE_MAX;
		state->audio.set_audio_rate = rate;
		}

		D6(fprintf(debug_file, "request for audio format: %s; set rate = %d, channels = %d\n",
		args, state->audio.set_audio_rate, state->audio.set_audio_channels));
		}

		/**
		* @brief Print current status either as plain text or in xml format
		* @param[in] state to a structure containing current state
		@@ -987,6 +1113,7 @@ void camogm_status(camogm_state state, char fn, int xml)
		int _frames_skip = 0;
		int _sec_skip = 0;
		char _kml_enable, _kml_used, *_kml_height_mode;
		char *_audio_en;
		unsigned int _percent_done;
		off_t save_p;

		@@ -1069,6 +1196,7 @@ void camogm_status(camogm_state state, char fn, int xml)
		else
		_percent_done = 0;

		_audio_en = state->audio.set_audio_enable ? "yes" : "no";
		if (xml) {
		fprintf(f, "<?xml version=\"1.0\"?>\n" \
		"<camogm_state>\n" \
		@@ -1112,18 +1240,25 @@ void camogm_status(camogm_state state, char fn, int xml)
		" <raw_device_pos_read>0x%llx (%d%% done)</raw_device_pos_read>\n" \
		" <lba_start>%llu</lba_start>\n" \
		" <lba_current>%llu</lba_current>\n" \
		" <lba_end>%llu</lba_end>\n",
		_state, state->path, state->frameno, state->start_after_timestamp, _dur, _udur, _len, \
		_frames_skip, _sec_skip, \
		state->width, state->height, _output_format, _using_exif, \
		state->path_prefix, state->segment_duration, state->segment_length, state->max_frames, state->timescale, \
		state->frames_per_chunk, state->last_error_code, \
		state->debug_name, debug_level, _using_global_pointer, \
		_kml_enable, _kml_used, state->kml_path, state->kml_horHalfFov, state->kml_vertHalfFov, state->kml_near, \
		_kml_height_mode, state->kml_height, state->kml_period, state->kml_last_ts, state->kml_last_uts, \
		" <lba_end>%llu</lba_end>\n" \

		" <audio_enable>%s</audio_enable>\n" \
		" <audio_channels>%d</audio_channels>\n" \
		" <audio_rate>%d</audio_rate>\n" \
		" <audio_volume>%d</audio_volume>\n",
		_state, state->path, state->frameno, state->start_after_timestamp, _dur, _udur, _len,
		_frames_skip, _sec_skip,
		state->width, state->height, _output_format, _using_exif,
		state->path_prefix, state->segment_duration, state->segment_length, state->max_frames, state->timescale,
		state->frames_per_chunk, state->last_error_code,
		state->debug_name, debug_level, _using_global_pointer,
		_kml_enable, _kml_used, state->kml_path, state->kml_horHalfFov, state->kml_vertHalfFov, state->kml_near,
		_kml_height_mode, state->kml_height, state->kml_period, state->kml_last_ts, state->kml_last_uts,
		state->greedy ? "yes" : "no", state->ignore_fps ? "yes" : "no", state->rawdev.rawdev_path,
		state->rawdev.overrun, state->rawdev.curr_pos_w, state->rawdev.curr_pos_r, _percent_done,
		state->writer_params.lba_start, state->writer_params.lba_current, state->writer_params.lba_end);
		state->writer_params.lba_start, state->writer_params.lba_current, state->writer_params.lba_end,

		_audio_en, state->audio.set_audio_channels, state->audio.set_audio_rate, state->audio.set_audio_volume);

		FOR_EACH_PORT(int, chn) {
		char *_active = is_chn_active(state, chn) ? "yes" : "no";
		@@ -1204,6 +1339,11 @@ void camogm_status(camogm_state state, char fn, int xml)
		fprintf(f, "lba_current \t%llu\n", state->writer_params.lba_current);
		fprintf(f, "lba_end \t%llu\n", state->writer_params.lba_end);
		fprintf(f, "\n");
		fprintf(f, "audio_enable \t%s\n", _audio_en);
		fprintf(f, "audio_channels \t%d\n", state->audio.set_audio_channels);
		fprintf(f, "audio_rate \t%d\n", state->audio.set_audio_rate);
		fprintf(f, "audio_volume \t%d\n", state->audio.set_audio_volume);
		fprintf(f, "\n");
		FOR_EACH_PORT(int, chn) {
		char *_active = is_chn_active(state, chn) ? "yes" : "no";
		fprintf(f, "===== Sensor port %d status =====\n", chn);
		@@ -1349,17 +1489,18 @@ int parse_cmd(camogm_state state, FILE npipe)
		// now cmd is trimmed, arg is NULL or a pointer to trimmed command arguments
		if (strcmp(cmd, "start") == 0) {
		check_compressors(state);
		if (state->rawdev_op)
		get_disk_info(state);
		camogm_start(state);
		camogm_start(state, true);
		return 1;
		} else if (strcmp(cmd, "reset") == 0) { // will reset pointer to the last acquired frame (if any)
		camogm_reset(state);
		return 2;
		} else if (strcmp(cmd, "stop") == 0) {
		camogm_stop(state);
		camogm_stop(state, true);
		return 3;
		} else if (strcmp(cmd, "exit") == 0) {
		camogm_stop(state);
		camogm_stop(state, true);
		camogm_free(state);
		clean_up(state);
		exit(0);
		@@ -1496,6 +1637,18 @@ int parse_cmd(camogm_state state, FILE npipe)
		} else if (strcmp(cmd, "dummy_read") == 0) {
		if ((args) && ((d = strtol(args, NULL, 10)) > 0)) camogm_set_dummy_read(state, d);
		return 30;
		} else if (strcmp(cmd, "audio") == 0) {
		if (args)
		camogm_set_audio_state(state, args);
		return 31;
		} else if (strcmp(cmd, "audio_volume") == 0) {
		if (args)
		camogm_set_audio_volume(state, args);
		return 32;
		} else if (strcmp(cmd, "audio_format") == 0) {
		if (args)
		camogm_set_audio_format(state, args);
		return 33;
		}

		return -1;
		@@ -1581,6 +1734,9 @@ int listener_loop(camogm_state *state)
		} else if (state->prog_state == STATE_RUNNING) { // no commands in queue, started
		switch ((rslt = -sendImageFrame(state))) {
		case 0:
		if (state->format == CAMOGM_FORMAT_MOV) {
		audio_process(&state->audio);
		}
		break; // frame sent OK, nothing to do (TODO: check file length/duration)
		case CAMOGM_FRAME_NOT_READY: // just wait for the frame to appear at the current pointer
		// we'll wait for a frame, not to waste resources. But if the compressor is stopped this program will not respond to any commands
		@@ -1605,8 +1761,8 @@ int listener_loop(camogm_state *state)
		case CAMOGM_FRAME_BROKEN: // frame broken (buffer overrun)
		// restart the file
		D3(fprintf(debug_file,"%s:line %d - sendImageFrame() returned -%d\n", __FILE__, __LINE__, rslt));
		camogm_stop(state);
		camogm_start(state);
		camogm_stop(state, false);
		camogm_start(state, false);
		break;
		case CAMOGM_FRAME_FILE_ERR: // error with file I/O
		case CAMOGM_FRAME_OTHER: // other errors
		@@ -1628,7 +1784,7 @@ int listener_loop(camogm_state *state)
		} else if (state->prog_state == STATE_STARTING) { // no commands in queue,starting (but not started yet)

		// retry starting
		switch ((rslt = -camogm_start(state))) {
		switch ((rslt = -camogm_start(state, true))) {
		case 0:
		break; // file started OK, nothing to do
		case CAMOGM_TOO_EARLY:
		@@ -2156,3 +2312,19 @@ struct timeval get_fpga_time(const int fd_fparsall, unsigned int port)

		return tv;
		}

		/**
		* Wrapper for a function returning FPGA time. This wrapper is set as a callback function for
		* audio interface. The time value is retrieved through currently active port.
		* @param[in] audio pointer to a structure containing audio parameters and buffers
		* @param[out] tv pointer to a structure where time value will be stored
		* @return None
		*/
		static void get_fpga_time_w(const struct audio audio, struct timeval tv)
		{
		unsigned int port;
		camogm_state *state = container_of(audio, camogm_state, audio);

		port = state->port_num;
		*tv = get_fpga_time(state->fd_fparmsall[port], port);
		}

src/camogm.h

+6 −1

Original line number	Diff line number	Diff line
		@@ -22,10 +22,13 @@
		#include <pthread.h>
		#include <stdbool.h>
		#include <ogg/ogg.h>
		#include "ogmstreams.h"
		#include <elphel/exifa.h>
		#include <elphel/c313a.h>
		#include <elphel/x393_devices.h>
		#include <sys/uio.h>

		#include "ogmstreams.h"
		#include "camogm_audio.h"

		#define CAMOGM_FRAME_NOT_READY 1 ///< frame pointer valid, but not yet acquired
		#define CAMOGM_FRAME_INVALID 2 ///< invalid frame pointer
		@@ -256,6 +259,8 @@ typedef struct {
		uint16_t sock_port; ///< command socket port number
		struct writer_params writer_params; ///< contains control parameters for writing thread
		unsigned int error_stat[SENSOR_PORTS][CAMOGM_ERRNUM]; ///< collect statistics about errors

		struct audio audio; ///< various parameters related to audio
		} camogm_state;

		extern int debug_level;

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