void sigint_handler()
{
if (ccx_options.print_file_reports)
print_file_report(signal_ctx);
exit(EXIT_SUCCESS);
}
static int ccx_demuxer_open(struct ccx_demuxer *ctx, const char *file)
{
ctx->past = 0;
ctx->min_global_timestamp = 0;
ctx->global_timestamp_inited = 0;
ctx->last_global_timestamp = 0;
ctx->offset_global_timestamp = 0;
#ifdef ENABLE_FFMPEG
ctx->ffmpeg_ctx = init_ffmpeg(file);
if(ctx->ffmpeg_ctx)
{
ctx->stream_mode = CCX_SM_FFMPEG;
ctx->auto_stream = CCX_SM_FFMPEG;
return 0;
}
else
{
mprint ("\rFailed to initialized ffmpeg falling back to legacy\n");
}
#endif
init_file_buffer(ctx);
if (ccx_options.input_source==CCX_DS_STDIN)
{
if (ctx->infd != -1) // Means we had already processed stdin. So we're done.
{
if (ccx_options.print_file_reports)
print_file_report(ctx->parent);
return -1;
}
ctx->infd = 0;
mprint ("\n\r-----------------------------------------------------------------\n");
mprint ("\rReading from standard input\n");
}
else if (ccx_options.input_source == CCX_DS_NETWORK)
{
if (ctx->infd != -1) // Means we have already bound a socket.
{
if (ccx_options.print_file_reports)
print_file_report(ctx->parent);
return -1;
}
ctx->infd = start_upd_srv(ccx_options.udpaddr, ccx_options.udpport);
if(ctx->infd < 0)
{
print_error(ccx_options.gui_mode_reports,"socket() failed.");
return CCX_COMMON_EXIT_BUG_BUG;
}
}
else if (ccx_options.input_source == CCX_DS_TCP)
{
if (ctx->infd != -1)
{
if (ccx_options.print_file_reports)
print_file_report(ctx->parent);
return -1;
}
ctx->infd = start_tcp_srv(ccx_options.tcpport, ccx_options.tcp_password);
}
else
{
#ifdef _WIN32
ctx->infd = OPEN (file, O_RDONLY | O_BINARY);
#else
ctx->infd = OPEN (file, O_RDONLY);
#endif
if (ctx->infd < 0)
return -1;
}
if (ctx->auto_stream == CCX_SM_AUTODETECT)
{
detect_stream_type(ctx);
switch (ctx->stream_mode)
{
case CCX_SM_ELEMENTARY_OR_NOT_FOUND:
mprint ("\rFile seems to be an elementary stream, enabling ES mode\n");
break;
case CCX_SM_TRANSPORT:
mprint ("\rFile seems to be a transport stream, enabling TS mode\n");
break;
case CCX_SM_PROGRAM:
mprint ("\rFile seems to be a program stream, enabling PS mode\n");
break;
case CCX_SM_ASF:
mprint ("\rFile seems to be an ASF, enabling DVR-MS mode\n");
break;
case CCX_SM_WTV:
mprint ("\rFile seems to be a WTV, enabling WTV mode\n");
break;
case CCX_SM_MCPOODLESRAW:
mprint ("\rFile seems to be McPoodle raw data\n");
break;
case CCX_SM_RCWT:
mprint ("\rFile seems to be a raw caption with time data\n");
break;
case CCX_SM_MP4:
mprint ("\rFile seems to be a MP4\n");
break;
case CCX_SM_GXF:
mprint ("\rFile seems to be a GXF\n");
break;
#ifdef WTV_DEBUG
case CCX_SM_HEX_DUMP:
mprint ("\rFile seems to be an hexadecimal dump\n");
break;
#endif
case CCX_SM_MYTH:
case CCX_SM_AUTODETECT:
fatal(CCX_COMMON_EXIT_BUG_BUG, "Cannot be reached!");
break;
}
}
else
{
ctx->stream_mode = ctx->auto_stream;
}
// The myth loop autodetect will only be used with ES or PS streams
switch (ccx_options.auto_myth)
{
case 0:
// Use whatever stream mode says
break;
case 1:
// Force stream mode to myth
ctx->stream_mode=CCX_SM_MYTH;
break;
case 2:
// autodetect myth files, but only if it does not conflict with
// the current stream mode
switch (ctx->stream_mode)
{
case CCX_SM_ELEMENTARY_OR_NOT_FOUND:
case CCX_SM_PROGRAM:
if ( detect_myth(ctx) )
{
ctx->stream_mode=CCX_SM_MYTH;
}
break;
default:
// Keep stream_mode
break;
}
break;
}
return 0;
}
int main(int argc, char *argv[])
{
struct lib_ccx_ctx *ctx;
struct lib_cc_decode *dec_ctx = NULL;
int ret = 0;
enum ccx_stream_mode_enum stream_mode;
init_options (&ccx_options);
parse_configuration(&ccx_options);
ret = parse_parameters (&ccx_options, argc, argv);
if (ret == EXIT_NO_INPUT_FILES)
{
usage ();
fatal (EXIT_NO_INPUT_FILES, "(This help screen was shown because there were no input files)\n");
}
else if (ret == EXIT_WITH_HELP)
{
return EXIT_OK;
}
else if (ret != EXIT_OK)
{
exit(ret);
}
// Initialize libraries
ctx = init_libraries(&ccx_options);
if (!ctx && errno == ENOMEM)
fatal (EXIT_NOT_ENOUGH_MEMORY, "Not enough memory\n");
else if (!ctx && errno == EINVAL)
fatal (CCX_COMMON_EXIT_BUG_BUG, "Invalid option to CCextractor Library\n");
else if (!ctx && errno == EPERM)
fatal (CCX_COMMON_EXIT_FILE_CREATION_FAILED, "Unable to create Output File\n");
else if (!ctx && errno == EACCES)
fatal (CCX_COMMON_EXIT_FILE_CREATION_FAILED, "Unable to create Output File\n");
else if (!ctx)
fatal (EXIT_NOT_CLASSIFIED, "Unable to create Library Context %d\n",errno);
int show_myth_banner = 0;
params_dump(ctx);
// default teletext page
if (tlt_config.page > 0) {
// dec to BCD, magazine pages numbers are in BCD (ETSI 300 706)
tlt_config.page = ((tlt_config.page / 100) << 8) | (((tlt_config.page / 10) % 10) << 4) | (tlt_config.page % 10);
}
if (ccx_options.transcript_settings.xds)
{
if (ccx_options.write_format != CCX_OF_TRANSCRIPT)
{
ccx_options.transcript_settings.xds = 0;
mprint ("Warning: -xds ignored, XDS can only be exported to transcripts at this time.\n");
}
}
time_t start, final;
time(&start);
if (ccx_options.binary_concat)
{
ctx->total_inputsize=gettotalfilessize(ctx);
if (ctx->total_inputsize==-1)
fatal (EXIT_UNABLE_TO_DETERMINE_FILE_SIZE, "Failed to determine total file size.\n");
}
#ifndef _WIN32
signal_ctx = ctx;
m_signal(SIGINT, sigint_handler);
#endif
while (switch_to_next_file(ctx, 0))
{
prepare_for_new_file(ctx);
stream_mode = ctx->demux_ctx->get_stream_mode(ctx->demux_ctx);
// Disable sync check for raw formats - they have the right timeline.
// Also true for bin formats, but -nosync might have created a
// broken timeline for debug purposes.
// Disable too in MP4, specs doesn't say that there can't be a jump
switch (stream_mode)
{
case CCX_SM_MCPOODLESRAW:
case CCX_SM_RCWT:
case CCX_SM_MP4:
#ifdef WTV_DEBUG
case CCX_SM_HEX_DUMP:
#endif
ccx_common_timing_settings.disable_sync_check = 1;
break;
default:
break;
}
/* -----------------------------------------------------------------
MAIN LOOP
----------------------------------------------------------------- */
switch (stream_mode)
{
case CCX_SM_ELEMENTARY_OR_NOT_FOUND:
if (!ccx_options.use_gop_as_pts) // If !0 then the user selected something
ccx_options.use_gop_as_pts = 1; // Force GOP timing for ES
ccx_common_timing_settings.is_elementary_stream = 1;
case CCX_SM_TRANSPORT:
case CCX_SM_PROGRAM:
case CCX_SM_ASF:
case CCX_SM_WTV:
case CCX_SM_GXF:
#ifdef ENABLE_FFMPEG
case CCX_SM_FFMPEG:
#endif
if (!ccx_options.use_gop_as_pts) // If !0 then the user selected something
ccx_options.use_gop_as_pts = 0;
mprint ("\rAnalyzing data in general mode\n");
general_loop(ctx);
break;
case CCX_SM_MCPOODLESRAW:
mprint ("\rAnalyzing data in McPoodle raw mode\n");
raw_loop(ctx);
break;
case CCX_SM_RCWT:
mprint ("\rAnalyzing data in CCExtractor's binary format\n");
rcwt_loop(ctx);
break;
case CCX_SM_MYTH:
mprint ("\rAnalyzing data in MythTV mode\n");
show_myth_banner = 1;
myth_loop(ctx);
break;
case CCX_SM_MP4:
mprint ("\rAnalyzing data with GPAC (MP4 library)\n");
close_input_file(ctx); // No need to have it open. GPAC will do it for us
processmp4 (ctx, &ctx->mp4_cfg, ctx->inputfile[0]);
if (ccx_options.print_file_reports)
print_file_report(ctx);
break;
#ifdef WTV_DEBUG
case CCX_SM_HEX_DUMP:
close_input_file(ctx); // processhex will open it in text mode
processhex (ctx, ctx->inputfile[0]);
break;
#endif
case CCX_SM_AUTODETECT:
fatal(CCX_COMMON_EXIT_BUG_BUG, "Cannot be reached!");
break;
}
#if 0
if (ctx->total_pulldownframes)
mprint ("incl. pulldown frames: %s (%u frames at %.2ffps)\n",
print_mstime( (LLONG)(ctx->total_pulldownframes*1000/current_fps) ),
ctx->total_pulldownframes, current_fps);
if (pts_set >= 1 && min_pts != 0x01FFFFFFFFLL)
{
LLONG postsyncms = (LLONG) (ctx->frames_since_last_gop*1000/current_fps);
mprint ("\nMin PTS: %s\n",
print_mstime( min_pts/(MPEG_CLOCK_FREQ/1000) - fts_offset));
if (pts_big_change)
mprint ("(Reference clock was reset at some point, Min PTS is approximated)\n");
mprint ("Max PTS: %s\n",
print_mstime( sync_pts/(MPEG_CLOCK_FREQ/1000) + postsyncms));
mprint ("Length: %s\n",
print_mstime( sync_pts/(MPEG_CLOCK_FREQ/1000) + postsyncms
- min_pts/(MPEG_CLOCK_FREQ/1000) + fts_offset ));
}
// dvr-ms files have invalid GOPs
if (gop_time.inited && first_gop_time.inited && stream_mode != CCX_SM_ASF)
{
mprint ("\nInitial GOP time: %s\n",
print_mstime(first_gop_time.ms));
mprint ("Final GOP time: %s%+3dF\n",
print_mstime(gop_time.ms),
ctx->frames_since_last_gop);
mprint ("Diff. GOP length: %s%+3dF",
print_mstime(gop_time.ms - first_gop_time.ms),
ctx->frames_since_last_gop);
mprint (" (%s)\n",
print_mstime(gop_time.ms - first_gop_time.ms
+(LLONG) ((ctx->frames_since_last_gop)*1000/29.97)) );
}
if (ctx->false_pict_header)
mprint ("\nNumber of likely false picture headers (discarded): %d\n",ctx->false_pict_header);
if (ctx->stat_numuserheaders)
mprint("\nTotal user data fields: %d\n", ctx->stat_numuserheaders);
if (ctx->stat_dvdccheaders)
mprint("DVD-type user data fields: %d\n", ctx->stat_dvdccheaders);
if (ctx->stat_scte20ccheaders)
mprint("SCTE-20 type user data fields: %d\n", ctx->stat_scte20ccheaders);
if (ctx->stat_replay4000headers)
mprint("ReplayTV 4000 user data fields: %d\n", ctx->stat_replay4000headers);
if (ctx->stat_replay5000headers)
mprint("ReplayTV 5000 user data fields: %d\n", ctx->stat_replay5000headers);
if (ctx->stat_hdtv)
mprint("HDTV type user data fields: %d\n", ctx->stat_hdtv);
if (ctx->stat_dishheaders)
mprint("Dish Network user data fields: %d\n", ctx->stat_dishheaders);
if (ctx->stat_divicom)
{
mprint("CEA608/Divicom user data fields: %d\n", ctx->stat_divicom);
mprint("\n\nNOTE! The CEA 608 / Divicom standard encoding for closed\n");
mprint("caption is not well understood!\n\n");
mprint("Please submit samples to the developers.\n\n\n");
}
#endif
list_for_each_entry(dec_ctx, &ctx->dec_ctx_head, list, struct lib_cc_decode)
{
mprint("\n");
dbg_print(CCX_DMT_DECODER_608, "\nTime stamps after last caption block was written:\n");
dbg_print(CCX_DMT_DECODER_608, "GOP: %s \n", print_mstime(gop_time.ms) );
dbg_print(CCX_DMT_DECODER_608, "GOP: %s (%+3dms incl.)\n",
print_mstime((LLONG)(gop_time.ms
-first_gop_time.ms
+get_fts_max(dec_ctx->timing)-fts_at_gop_start)),
(int)(get_fts_max(dec_ctx->timing)-fts_at_gop_start));
// When padding is active the CC block time should be within
// 1000/29.97 us of the differences.
dbg_print(CCX_DMT_DECODER_608, "Max. FTS: %s (without caption blocks since then)\n",
print_mstime(get_fts_max(dec_ctx->timing)));
if (dec_ctx->codec == CCX_CODEC_ATSC_CC)
{
mprint ("\nTotal frames time: %s (%u frames at %.2ffps)\n",
print_mstime( (LLONG)(total_frames_count*1000/current_fps) ),
total_frames_count, current_fps);
}
if (ctx->stat_hdtv)
{
mprint ("\rCC type 0: %d (%s)\n", dec_ctx->cc_stats[0], cc_types[0]);
mprint ("CC type 1: %d (%s)\n", dec_ctx->cc_stats[1], cc_types[1]);
mprint ("CC type 2: %d (%s)\n", dec_ctx->cc_stats[2], cc_types[2]);
mprint ("CC type 3: %d (%s)\n", dec_ctx->cc_stats[3], cc_types[3]);
}
// Add one frame as fts_max marks the beginning of the last frame,
// but we need the end.
dec_ctx->timing->fts_global += dec_ctx->timing->fts_max + (LLONG) (1000.0/current_fps);
// CFS: At least in Hauppage mode, cb_field can be responsible for ALL the
// timing (cb_fields having a huge number and fts_now and fts_global being 0 all
// the time), so we need to take that into account in fts_global before resetting
// counters.
if (cb_field1!=0)
dec_ctx->timing->fts_global += cb_field1*1001/3;
else if (cb_field2!=0)
dec_ctx->timing->fts_global += cb_field2*1001/3;
else
dec_ctx->timing->fts_global += cb_708*1001/3;
// Reset counters - This is needed if some captions are still buffered
// and need to be written after the last file is processed.
cb_field1 = 0; cb_field2 = 0; cb_708 = 0;
dec_ctx->timing->fts_now = 0;
dec_ctx->timing->fts_max = 0;
}
if(is_decoder_processed_enough(ctx) == CCX_TRUE)
break;
} // file loop
close_input_file(ctx);
prepare_for_new_file (ctx); // To reset counters used by handle_end_of_data()
time (&final);
long proc_time=(long) (final-start);
mprint ("\rDone, processing time = %ld seconds\n", proc_time);
#if 0
if (proc_time>0)
{
LLONG ratio=(get_fts_max()/10)/proc_time;
unsigned s1=(unsigned) (ratio/100);
unsigned s2=(unsigned) (ratio%100);
mprint ("Performance (real length/process time) = %u.%02u\n",
s1, s2);
}
#endif
dbg_print(CCX_DMT_708, "[CEA-708] The 708 decoder was reset [%d] times.\n", ctx->freport.data_from_708->reset_count);
if (is_decoder_processed_enough(ctx) == CCX_TRUE)
{
mprint ("\rNote: Processing was cancelled before all data was processed because\n");
mprint ("\rone or more user-defined limits were reached.\n");
}
mprint ("This is beta software. Report issues to carlos at ccextractor org...\n");
if (show_myth_banner)
{
mprint ("NOTICE: Due to the major rework in 0.49, we needed to change part of the timing\n");
mprint ("code in the MythTV's branch. Please report results to the address above. If\n");
mprint ("something is broken it will be fixed. Thanks\n");
}
dinit_libraries(&ctx);
return EXIT_OK;
}
int switch_to_next_file (struct lib_ccx_ctx *ctx, LLONG bytesinbuffer)
{
int ret = 0;
if (ctx->current_file == -1 || !ccx_options.binary_concat)
{
ctx->demux_ctx->reset(ctx->demux_ctx);
}
switch(ccx_options.input_source)
{
case CCX_DS_STDIN:
case CCX_DS_NETWORK:
case CCX_DS_TCP:
ret = ctx->demux_ctx->open(ctx->demux_ctx, NULL);
if (ret < 0)
return 0;
else if (ret)
return ret;
else
return 1;
break;
default:
break;
}
/* Close current and make sure things are still sane */
if (ctx->demux_ctx->is_open(ctx->demux_ctx))
{
dbg_print(CCX_DMT_708, "[CEA-708] The 708 decoder was reset [%d] times.\n", ctx->freport.data_from_708->reset_count);
if (ccx_options.print_file_reports)
print_file_report(ctx);
if (ctx->inputsize > 0 && ((ctx->demux_ctx->past+bytesinbuffer) < ctx->inputsize) && is_decoder_processed_enough(ctx) == CCX_FALSE)
{
mprint("\n\n\n\nATTENTION!!!!!!\n");
mprint("In switch_to_next_file(): Processing of %s %d ended prematurely %lld < %lld, please send bug report.\n\n",
ctx->inputfile[ctx->current_file], ctx->current_file, ctx->demux_ctx->past, ctx->inputsize);
}
close_input_file (ctx);
if (ccx_options.binary_concat)
{
ctx->total_past += ctx->inputsize;
ctx->demux_ctx->past = 0; // Reset always or at the end we'll have double the size
}
}
for (;;)
{
ctx->current_file++;
if (ctx->current_file >= ctx->num_input_files)
break;
// The following \n keeps the progress percentage from being overwritten.
mprint ("\n\r-----------------------------------------------------------------\n");
mprint ("\rOpening file: %s\n", ctx->inputfile[ctx->current_file]);
ret = ctx->demux_ctx->open(ctx->demux_ctx, ctx->inputfile[ctx->current_file]);
if (ret < 0)
mprint ("\rWarning: Unable to open input file [%s]\n", ctx->inputfile[ctx->current_file]);
else
{
activity_input_file_open (ctx->inputfile[ctx->current_file]);
if (!ccx_options.live_stream)
{
ctx->inputsize = ctx->demux_ctx->get_filesize (ctx->demux_ctx);
if (!ccx_options.binary_concat)
ctx->total_inputsize = ctx->inputsize;
}
return 1; // Succeeded
}
}
return 0;
}