struct lib_ccx_ctx* init_libraries(struct ccx_s_options *opt)
{
int ret = 0;
struct lib_ccx_ctx *ctx;
struct ccx_decoder_608_report *report_608;
struct ccx_decoders_common_settings_t *dec_setting;
ctx = malloc(sizeof(struct lib_ccx_ctx));
if(!ctx)
return NULL;
memset(ctx,0,sizeof(struct lib_ccx_ctx));
report_608 = malloc(sizeof(struct ccx_decoder_608_report));
if (!report_608)
return NULL;
memset(report_608,0,sizeof(struct ccx_decoder_608_report));
ctx->capbufsize = 20000;
ctx->capbuf = NULL;
ctx->capbuflen = 0; // Bytes read in capbuf
// Initialize some constants
init_ts(ctx);
init_avc();
ctx->stream_mode = CCX_SM_ELEMENTARY_OR_NOT_FOUND;
ctx->auto_stream = opt->auto_stream;
ctx->m2ts = opt->m2ts;
ctx->screens_to_process = -1;
ctx->current_file = -1;
ctx->infd = -1;//Set to -1 to indicate no file is open.
// Set logging functions for libraries
ccx_common_logging.debug_ftn = &dbg_print;
ccx_common_logging.debug_mask = opt->debug_mask;
ccx_common_logging.fatal_ftn = &fatal;
ccx_common_logging.log_ftn = &mprint;
ccx_common_logging.gui_ftn = &activity_library_process;
// Need to set the 608 data for the report to the correct variable.
ctx->freport.data_from_608 = report_608;
// Same applies for 708 data
ctx->freport.data_from_708 = &ccx_decoder_708_report;
// Init shared decoder settings
dec_setting = init_decoder_setting(opt);
ctx->dec_ctx = init_cc_decode(dec_setting);
dinit_decoder_setting(&dec_setting);
// Init encoder helper variables
ccx_encoders_helpers_setup(opt->encoding, opt->nofontcolor, opt->notypesetting, opt->trim_subs);
//Initialize input files
ctx->inputfile = opt->inputfile;
ctx->num_input_files = opt->num_input_files;
ret = init_ctx_input(opt, ctx);
if (ret < 0) {
goto end;
}
ret = init_ctx_extension(opt, ctx);
if (ret < 0) {
goto end;
}
// Init 708 decoder(s)
ccx_decoders_708_init_library(ctx->basefilename, ctx->extension, opt->print_file_reports);
// Set output structures for the 608 decoder
//ctx->dec_ctx->context_cc608_field_1->out = ctx->dec_ctx->wbout1;
//ctx->dec_ctx->context_cc608_field_2->out = ctx->dec_ctx->wbout2;
// Init XDS buffers
ccx_decoders_xds_init_library(&opt->transcript_settings, ctx->subs_delay, opt->millis_separator);
//xds_cea608_test();
ctx->subs_delay = opt->subs_delay;
ctx->wbout1.filename = opt->wbout2.filename;
ctx->wbout2.filename = opt->wbout2.filename;
ctx->buffer = (unsigned char *) malloc (BUFSIZE);
ctx->pesheaderbuf = (unsigned char *) malloc (188); // Never larger anyway
// Init timing
ccx_common_timing_init(&ctx->past,opt->nosync);
ctx->cc_to_stdout = opt->cc_to_stdout;
ctx->hauppauge_mode = opt->hauppauge_mode;
ctx->live_stream = opt->live_stream;
ctx->binary_concat = opt->binary_concat;
build_parity_table();
end:
if (ret < 0) {
free(ctx);
return NULL;
}
return ctx;
}
struct lib_cc_decode* init_cc_decode (struct ccx_decoders_common_settings_t *setting)
{
struct lib_cc_decode *ctx = NULL;
ctx = malloc(sizeof(struct lib_cc_decode));
if(!ctx)
return NULL;
ctx->avc_ctx = init_avc();
ctx->codec = setting->codec;
ctx->timing = init_timing_ctx(&ccx_common_timing_settings);
setting->settings_dtvcc->timing = ctx->timing;
setting->settings_608->no_rollup = setting->no_rollup;
setting->settings_dtvcc->no_rollup = setting->no_rollup;
ctx->no_rollup = setting->no_rollup;
ctx->noscte20 = setting->noscte20;
ctx->dtvcc = ccx_dtvcc_init(setting->settings_dtvcc);
ctx->dtvcc->is_active = setting->settings_dtvcc->enabled;
if(setting->codec == CCX_CODEC_ATSC_CC)
{
// Prepare 608 context
ctx->context_cc608_field_1 = ccx_decoder_608_init_library(
setting->settings_608,
setting->cc_channel,
1,
&ctx->processed_enough,
setting->cc_to_stdout,
setting->output_format,
ctx->timing
);
ctx->context_cc608_field_2 = ccx_decoder_608_init_library(
setting->settings_608,
setting->cc_channel,
2,
&ctx->processed_enough,
setting->cc_to_stdout,
setting->output_format,
ctx->timing
);
}
else
{
ctx->context_cc608_field_1 = NULL;
ctx->context_cc608_field_2 = NULL;
}
ctx->current_field = 1;
ctx->private_data = setting->private_data;
ctx->fix_padding = setting->fix_padding;
ctx->write_format = setting->output_format;
ctx->subs_delay = setting->subs_delay;
ctx->extract = setting->extract;
ctx->fullbin = setting->fullbin;
ctx->hauppauge_mode = setting->hauppauge_mode;
ctx->program_number = setting->program_number;
ctx->processed_enough = 0;
ctx->max_gop_length = 0;
ctx->has_ccdata_buffered = 0;
ctx->in_bufferdatatype = CCX_UNKNOWN;
ctx->frames_since_last_gop = 0;
ctx->total_pulldownfields = 0;
ctx->total_pulldownframes = 0;
ctx->stat_numuserheaders = 0;
ctx->stat_dvdccheaders = 0;
ctx->stat_scte20ccheaders = 0;
ctx->stat_replay5000headers = 0;
ctx->stat_replay4000headers = 0;
ctx->stat_dishheaders = 0;
ctx->stat_hdtv = 0;
ctx->stat_divicom = 0;
ctx->false_pict_header = 0;
memcpy(&ctx->extraction_start, &setting->extraction_start,sizeof(struct ccx_boundary_time));
memcpy(&ctx->extraction_end, &setting->extraction_end,sizeof(struct ccx_boundary_time));
if (setting->send_to_srv)
ctx->writedata = net_send_cc;
else if (setting->output_format==CCX_OF_RAW ||
setting->output_format==CCX_OF_DVDRAW ||
setting->output_format==CCX_OF_RCWT )
ctx->writedata = writeraw;
else if (setting->output_format==CCX_OF_SMPTETT ||
setting->output_format==CCX_OF_SAMI ||
setting->output_format==CCX_OF_SRT ||
setting->output_format==CCX_OF_SSA ||
setting->output_format == CCX_OF_WEBVTT ||
setting->output_format==CCX_OF_TRANSCRIPT ||
setting->output_format==CCX_OF_SPUPNG ||
setting->output_format==CCX_OF_SIMPLE_XML ||
setting->output_format==CCX_OF_G608 ||
setting->output_format==CCX_OF_NULL ||
setting->output_format==CCX_OF_CURL)
ctx->writedata = process608;
else
fatal(CCX_COMMON_EXIT_BUG_BUG, "Invalid Write Format Selected");
memset (&ctx->dec_sub, 0,sizeof(ctx->dec_sub));
// Initialize HDTV caption buffer
init_hdcc(ctx);
ctx->current_hor_size = 0;
ctx->current_vert_size = 0;
ctx->current_aspect_ratio = 0;
ctx->current_frame_rate = 4; // Assume standard fps, 29.97
//Variables used while parsing elementry stream
ctx->no_bitstream_error = 0;
ctx->saw_seqgoppic = 0;
ctx->in_pic_data = 0;
ctx->current_progressive_sequence = 2;
ctx->current_pulldownfields = 32768;
ctx->temporal_reference = 0;
ctx->maxtref = 0;
ctx->picture_coding_type = CCX_FRAME_TYPE_RESET_OR_UNKNOWN;
ctx->picture_structure = 0;
ctx->top_field_first = 0;
ctx->repeat_first_field = 0;
ctx->progressive_frame = 0;
ctx->pulldownfields = 0;
//es parser related variable ends here
memset(ctx->cc_stats, 0, 4 * sizeof(int));
ctx->anchor_seq_number = -1;
// Init XDS buffers
if(setting->output_format!=CCX_OF_TRANSCRIPT)
{
setting->xds_write_to_file = 0;
}
ctx->xds_ctx = ccx_decoders_xds_init_library(ctx->timing, setting->xds_write_to_file);
ctx->vbi_decoder = NULL;
return ctx;
}
struct lib_ccx_ctx* init_libraries(struct ccx_s_options *opt)
{
int ret = 0;
struct lib_ccx_ctx *ctx;
struct ccx_decoder_608_report *report_608;
ctx = malloc(sizeof(struct lib_ccx_ctx));
if(!ctx)
return NULL;
memset(ctx,0,sizeof(struct lib_ccx_ctx));
report_608 = malloc(sizeof(struct ccx_decoder_608_report));
if (!report_608)
return NULL;
memset(report_608,0,sizeof(struct ccx_decoder_608_report));
// Initialize some constants
ctx->screens_to_process = -1;
ctx->current_file = -1;
// Set logging functions for libraries
ccx_common_logging.debug_ftn = &dbg_print;
ccx_common_logging.debug_mask = opt->debug_mask;
ccx_common_logging.fatal_ftn = &fatal;
ccx_common_logging.log_ftn = &mprint;
ccx_common_logging.gui_ftn = &activity_library_process;
// Init shared decoder settings
ctx->dec_global_setting = init_decoder_setting(opt);
if(!ctx->dec_global_setting)
return NULL;
// Need to set the 608 data for the report to the correct variable.
ctx->freport.data_from_608 = report_608;
ctx->dec_global_setting->settings_608->report = report_608;
// Same applies for 708 data
ctx->freport.data_from_708 = &ccx_decoder_708_report;
//Initialize input files
ctx->inputfile = opt->inputfile;
ctx->num_input_files = opt->num_input_files;
ret = init_ctx_outbase(opt, ctx);
if (ret < 0) {
goto end;
}
// Init 708 decoder(s)
ccx_decoders_708_init_library(opt->print_file_reports);
// Init XDS buffers
ccx_decoders_xds_init_library(&opt->transcript_settings, ctx->subs_delay, opt->millis_separator);
//xds_cea608_test();
ctx->subs_delay = opt->subs_delay;
ctx->pesheaderbuf = (unsigned char *) malloc (188); // Never larger anyway
ctx->cc_to_stdout = opt->cc_to_stdout;
ctx->hauppauge_mode = opt->hauppauge_mode;
ctx->live_stream = opt->live_stream;
ctx->binary_concat = opt->binary_concat;
build_parity_table();
ctx->demux_ctx = init_demuxer(ctx, &opt->demux_cfg);
INIT_LIST_HEAD(&ctx->dec_ctx_head);
INIT_LIST_HEAD(&ctx->enc_ctx_head);
// Init timing
ccx_common_timing_init(&ctx->demux_ctx->past,opt->nosync);
ctx->multiprogram = opt->multiprogram;
ctx->write_format = opt->write_format;
end:
if (ret != EXIT_OK)
{
free(ctx);
return NULL;
}
return ctx;
}
