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library development done till api_start. Implementation of stop and status function is left.

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This commit is contained in:
Diptanshu8 2017-03-26 00:52:27 +00:00
parent d3540ccc0a
commit b0a0c92e50
3 changed files with 409 additions and 22 deletions
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426
src/ccextractor.c
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@ -59,22 +59,399 @@ void print_end_msg()
/////////////////////////////////////////////////////////////////
extern struct ccx_s_options ccx_options;
struct ccx_s_options ccx_options;
int api_start(struct ccx_s_options api_options){
struct lib_ccx_ctx *ctx;
struct lib_cc_decode *dec_ctx = NULL;
int ret = 0, tmp;
enum ccx_stream_mode_enum stream_mode;
#if defined(ENABLE_OCR) && defined(_WIN32)
setMsgSeverity(LEPT_MSG_SEVERITY);
#endif
#ifdef ENABLE_HARDSUBX
if(api_options.hardsubx)
{
// Perform burned in subtitle extraction
hardsubx(&api_options);
return 0;
}
#endif
// Initialize CCExtractor libraries
ctx = init_libraries(&api_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: Operation not permitted.\n");
else if (!ctx && errno == EACCES)
fatal (CCX_COMMON_EXIT_FILE_CREATION_FAILED, "Unable to create output file: Permission denied\n");
else if (!ctx)
fatal (EXIT_NOT_CLASSIFIED, "Unable to create Library Context %d\n",errno);
#ifdef WITH_LIBCURL
curl_global_init(CURL_GLOBAL_ALL);
/* get a curl handle */
curl = curl_easy_init();
if (!curl)
{
curl_global_cleanup(); // Must be done even on init fail
fatal (EXIT_NOT_CLASSIFIED, "Unable to init curl.");
}
#endif
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 (api_options.transcript_settings.xds)
{
if (api_options.write_format != CCX_OF_TRANSCRIPT)
{
api_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 (api_options.binary_concat)
{
ctx->total_inputsize=get_total_file_size(ctx);
if (ctx->total_inputsize < 0)
{
switch (ctx->total_inputsize)
{
case -1*ENOENT:
fatal(EXIT_NO_INPUT_FILES, "Failed to open file: File does not exist.");
case -1*EACCES:
fatal(EXIT_READ_ERROR, "Failed to open file: Unable to access");
case -1*EINVAL:
fatal(EXIT_READ_ERROR, "Failed to open file: Invalid opening flag.");
case -1*EMFILE:
fatal(EXIT_TOO_MANY_INPUT_FILES, "Failed to open file: Too many files are open.");
default:
fatal(EXIT_READ_ERROR, "Failed to open file: Reason unknown");
}
}
}
#ifndef _WIN32
signal_ctx = ctx;
m_signal(SIGINT, sigint_handler);
m_signal(SIGTERM, sigterm_handler);
m_signal(SIGUSR1, sigusr1_handler);
#endif
terminate_asap = 0;
#ifdef ENABLE_SHARING
if (api_options.translate_enabled && ctx->num_input_files > 1)
{
mprint("[share] WARNING: simultaneous translation of several input files is not supported yet\n");
api_options.translate_enabled = 0;
api_options.sharing_enabled = 0;
}
if (api_options.translate_enabled)
{
mprint("[share] launching translate service\n");
ccx_share_launch_translator(api_options.translate_langs, api_options.translate_key);
}
#endif //ENABLE_SHARING
ret = 0;
while (switch_to_next_file(ctx, 0))
{
prepare_for_new_file(ctx);
#ifdef ENABLE_SHARING
if (api_options.sharing_enabled)
ccx_share_start(ctx->basefilename);
#endif //ENABLE_SHARING
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 (!api_options.use_gop_as_pts) // If !0 then the user selected something
api_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 (!api_options.use_gop_as_pts) // If !0 then the user selected something
api_options.use_gop_as_pts = 0;
if (api_options.ignore_pts_jumps)
ccx_common_timing_settings.disable_sync_check = 1;
mprint ("\rAnalyzing data in general mode\n");
tmp = general_loop(ctx);
if (!ret) ret = tmp;
break;
case CCX_SM_MCPOODLESRAW:
mprint ("\rAnalyzing data in McPoodle raw mode\n");
tmp = raw_loop(ctx);
if (!ret) ret = tmp;
break;
case CCX_SM_RCWT:
mprint ("\rAnalyzing data in CCExtractor's binary format\n");
tmp = rcwt_loop(ctx);
if (!ret) ret = tmp;
break;
case CCX_SM_MYTH:
mprint ("\rAnalyzing data in MythTV mode\n");
show_myth_banner = 1;
tmp = myth_loop(ctx);
if (!ret) ret = tmp;
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
if (ctx->current_file == -1) // We don't have a file to open, must be stdin, and GPAC is incompatible with stdin
{
fatal (EXIT_INCOMPATIBLE_PARAMETERS, "MP4 requires an actual file, it's not possible to read from a stream, including stdin.\n");
}
if(api_options.extract_chapters)
{
tmp = dumpchapters(ctx, &ctx->mp4_cfg, ctx->inputfile[ctx->current_file]);
}
else
{
tmp = processmp4(ctx, &ctx->mp4_cfg, ctx->inputfile[ctx->current_file]);
}
if (api_options.print_file_reports)
print_file_report(ctx);
if (!ret) ret = tmp;
break;
case CCX_SM_MKV:
mprint ("\rAnalyzing data in Matroska mode\n");
tmp = matroska_loop(ctx);
if (!ret) ret = tmp;
break;
#ifdef WTV_DEBUG
case CCX_SM_HEX_DUMP:
close_input_file(ctx); // process_hex will open it in text mode
process_hex (ctx, ctx->inputfile[0]);
break;
#endif
case CCX_SM_AUTODETECT:
fatal(CCX_COMMON_EXIT_BUG_BUG, "Cannot be reached!");
break;
}
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_static(gop_time.ms) );
dbg_print(CCX_DMT_DECODER_608, "GOP: %s (%+3dms incl.)\n",
print_mstime_static((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_static(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_static( (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;
#ifdef ENABLE_SHARING
if (api_options.sharing_enabled)
{
ccx_share_stream_done(ctx->basefilename);
ccx_share_stop();
}
#endif //ENABLE_SHARING
if (dec_ctx->total_pulldownframes)
mprint ("incl. pulldown frames: %s (%u frames at %.2ffps)\n",
print_mstime_static( (LLONG)(dec_ctx->total_pulldownframes*1000/current_fps) ),
dec_ctx->total_pulldownframes, current_fps);
if (dec_ctx->timing->pts_set >= 1 && dec_ctx->timing->min_pts != 0x01FFFFFFFFLL)
{
LLONG postsyncms = (LLONG) (dec_ctx->frames_since_last_gop*1000/current_fps);
mprint ("\nMin PTS: %s\n",
print_mstime_static( dec_ctx->timing->min_pts/(MPEG_CLOCK_FREQ/1000) - dec_ctx->timing->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_static( dec_ctx->timing->sync_pts/(MPEG_CLOCK_FREQ/1000) + postsyncms));
mprint ("Length: %s\n",
print_mstime_static( dec_ctx->timing->sync_pts/(MPEG_CLOCK_FREQ/1000) + postsyncms
- dec_ctx->timing->min_pts/(MPEG_CLOCK_FREQ/1000) + dec_ctx->timing->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_static(first_gop_time.ms));
mprint ("Final GOP time: %s%+3dF\n",
print_mstime_static(gop_time.ms),
dec_ctx->frames_since_last_gop);
mprint ("Diff. GOP length: %s%+3dF",
print_mstime_static(gop_time.ms - first_gop_time.ms),
dec_ctx->frames_since_last_gop);
mprint (" (%s)\n\n",
print_mstime_static(gop_time.ms - first_gop_time.ms
+(LLONG) ((dec_ctx->frames_since_last_gop)*1000/29.97)) );
}
if (dec_ctx->false_pict_header)
mprint ("\nNumber of likely false picture headers (discarded): %d\n",dec_ctx->false_pict_header);
if (dec_ctx->stat_numuserheaders)
mprint("\nTotal user data fields: %d\n", dec_ctx->stat_numuserheaders);
if (dec_ctx->stat_dvdccheaders)
mprint("DVD-type user data fields: %d\n", dec_ctx->stat_dvdccheaders);
if (dec_ctx->stat_scte20ccheaders)
mprint("SCTE-20 type user data fields: %d\n", dec_ctx->stat_scte20ccheaders);
if (dec_ctx->stat_replay4000headers)
mprint("ReplayTV 4000 user data fields: %d\n", dec_ctx->stat_replay4000headers);
if (dec_ctx->stat_replay5000headers)
mprint("ReplayTV 5000 user data fields: %d\n", dec_ctx->stat_replay5000headers);
if (dec_ctx->stat_hdtv)
mprint("HDTV type user data fields: %d\n", dec_ctx->stat_hdtv);
if (dec_ctx->stat_dishheaders)
mprint("Dish Network user data fields: %d\n", dec_ctx->stat_dishheaders);
if (dec_ctx->stat_divicom)
{
mprint("CEA608/Divicom user data fields: %d\n", dec_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");
}
}
if(is_decoder_processed_enough(ctx) == CCX_TRUE)
break;
} // file loop
close_input_file(ctx);
free((void *) ctx->extension);
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
if (is_decoder_processed_enough(ctx) == CCX_TRUE)
{
mprint ("\rNote: Processing was canceled before all data was processed because\n");
mprint ("\rone or more user-defined limits were reached.\n");
}
#ifdef CURL
if (curl)
curl_easy_cleanup(curl);
curl_global_cleanup();
#endif
dinit_libraries(&ctx);
if (!ret)
mprint("\nNo captions were found in input.\n");
print_end_msg();
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");
}
return ret ? EXIT_OK : EXIT_NO_CAPTIONS;
}
struct ccx_s_options* api_init_options(){
init_options(&ccx_options);
return &ccx_options;
}
void checking_configuration_file(struct ccx_s_options* options){
parse_configuration(&ccx_options);
void checking_configuration_file(struct ccx_s_options api_options){
parse_configuration(&api_options);
}
void api_add_param(int index,char** myarguments,char* arg){
myarguments[index] = malloc(strlen(arg)+1);
strcpy(myarguments[index], arg);
}
int compile_params(int ret){
int compile_params(struct ccx_s_options *api_options,int argc){
int ret = parse_parameters (api_options, argc, api_options->myarguments);
if (ret == EXIT_NO_INPUT_FILES)
{
print_usage ();
@ -88,30 +465,35 @@ int compile_params(int ret){
{
exit(ret);
}
printf("possibiility exists");
return EXIT_OK;
}
void api_add_param(struct ccx_s_options* api_options,char* arg){
api_options->myarguments = realloc(api_options->myarguments, (api_options->argument_count+1) * sizeof *api_options->myarguments);
api_options->myarguments[api_options->argument_count] = malloc(strlen(arg)+1);
strcpy(api_options->myarguments[api_options->argument_count], arg);
api_options->argument_count++;
}
int main(int argc, char* argv[]){
int ret,i;
int ret,i,start_ret;
struct ccx_s_options* api_options = api_init_options();
printf("Done initiating the options\n");
checking_configuration_file(&ccx_options);
printf("Done checking the configuration file\n");
char** myarguments;
myarguments = malloc(argc * sizeof *myarguments);
int ii;
checking_configuration_file(*api_options);
for(i = 0; i < argc; i++) {
api_add_param(i,myarguments,argv[i]);
}
ret = parse_parameters (&ccx_options, argc, myarguments);
int compile_ret = compile_params(ret);
api_add_param(api_options,argv[i]);
}
int compile_ret = compile_params(api_options,argc);
printf("********************* %d *********************\n",api_options->argument_count);
start_ret = api_start(*api_options);
printf("Done compiling and extraction of subs");
printf("********************* %d *********************\n",api_options->argument_count);
return 1;
}
//////////////////////////////////////////////////////////////////
struct ccx_s_options ccx_options;
//struct ccx_s_options ccx_options;
int defined_main(int argc, char *argv[])
{
struct lib_ccx_ctx *ctx;

3
src/lib_ccx/ccx_common_option.c
View File

@ -169,4 +169,7 @@ void init_options (struct ccx_s_options *options)
stringztoms (DEF_VAL_STARTCREDITSFORATMOST, &options->enc_cfg.startcreditsforatmost);
stringztoms (DEF_VAL_ENDCREDITSFORATLEAST, &options->enc_cfg.endcreditsforatleast);
stringztoms (DEF_VAL_ENDCREDITSFORATMOST, &options->enc_cfg.endcreditsforatmost);
options->argument_count = 0;
options->myarguments = malloc(options->argument_count * sizeof *options->myarguments);
}

2
src/lib_ccx/ccx_common_option.h
View File

@ -192,6 +192,8 @@ struct ccx_s_options // Options from user parameters
char *translate_langs;
char *translate_key;
#endif
char** myarguments;
int argument_count;
};
extern struct ccx_s_options ccx_options;