/*!
* \brief Parses the config file if any and clears the existing structure
*/
GF_Err gf_cfg_parse_config_file(GF_Config * tmp, const char * filePath, const char * file_name)
{
IniSection *p;
IniKey *k;
FILE *file;
char *ret;
char *line;
u32 line_alloc = MAX_INI_LINE;
char fileName[GF_MAX_PATH];
gf_cfg_clear(tmp);
if (filePath && ((filePath[strlen(filePath)-1] == '/') || (filePath[strlen(filePath)-1] == '\\')) ) {
strcpy(fileName, filePath);
strcat(fileName, file_name);
} else if (filePath) {
sprintf(fileName, "%s%c%s", filePath, GF_PATH_SEPARATOR, file_name);
} else {
strcpy(fileName, file_name);
}
tmp->fileName = gf_strdup(fileName);
tmp->sections = gf_list_new();
file = gf_f64_open(fileName, "rt");
if (!file)
return GF_IO_ERR;
/* load the file */
p = NULL;
line = gf_malloc(sizeof(char)*line_alloc);
memset(line, 0, sizeof(char)*line_alloc);
while (!feof(file)) {
u32 read;
ret = fgets(line, line_alloc, file);
read = strlen(line);
while (read + 1 == line_alloc) {
line_alloc += MAX_INI_LINE;
line = gf_realloc(line, sizeof(char)*line_alloc);
ret = fgets(line+read, MAX_INI_LINE, file);
read = strlen(line);
}
if (!ret) continue;
/* get rid of the end of line stuff */
while (1) {
u32 len = strlen(line);
if (!len) break;
if ((line[len-1] != '\n') && (line[len-1] != '\r')) break;
line[len-1] = 0;
}
if (!strlen(line)) continue;
if (line[0] == '#') continue;
/* new section */
if (line[0] == '[') {
p = (IniSection *) gf_malloc(sizeof(IniSection));
p->keys = gf_list_new();
p->section_name = gf_strdup(line + 1);
p->section_name[strlen(line) - 2] = 0;
while (p->section_name[strlen(p->section_name) - 1] == ']' || p->section_name[strlen(p->section_name) - 1] == ' ') p->section_name[strlen(p->section_name) - 1] = 0;
gf_list_add(tmp->sections, p);
}
else if (strlen(line) && (strchr(line, '=') != NULL) ) {
if (!p) {
gf_list_del(tmp->sections);
gf_free(tmp->fileName);
gf_free(tmp);
fclose(file);
gf_free(line);
return GF_IO_ERR;
}
k = (IniKey *) gf_malloc(sizeof(IniKey));
memset((void *)k, 0, sizeof(IniKey));
ret = strchr(line, '=');
if (ret) {
ret[0] = 0;
k->name = gf_strdup(line);
while (k->name[strlen(k->name) - 1] == ' ') k->name[strlen(k->name) - 1] = 0;
ret[0] = '=';
ret += 1;
while (ret[0] == ' ') ret++;
if ( ret[0] != 0) {
k->value = gf_strdup(ret);
while (k->value[strlen(k->value) - 1] == ' ') k->value[strlen(k->value) - 1] = 0;
} else {
k->value = gf_strdup("");
}
}
gf_list_add(p->keys, k);
}
}
gf_free(line);
fclose(file);
return GF_OK;
}
int main(int argc, char **argv)
{
/* The ISO progressive reader */
ISOProgressiveReader reader;
/* Error indicator */
GF_Err e;
/* input file to be read in the data buffer */
FILE *input;
/* number of bytes read from the file at each read operation */
u32 read_bytes;
/* number of bytes read from the file (total) */
u64 total_read_bytes;
/* size of the input file */
u64 file_size;
/* number of bytes required to finish the current ISO Box reading (not used here)*/
u64 missing_bytes;
/* Thread used to run the ISO parsing in */
GF_Thread *reading_thread;
/* Return value for the program */
int ret = 0;
/* Usage */
if (argc != 2) {
fprintf(stdout, "Usage: %s filename\n", argv[0]);
return 1;
}
/* Initializing GPAC framework */
/* Enables GPAC memory tracking in debug mode only */
#if defined(DEBUG) || defined(_DEBUG)
gf_sys_init(GF_MemTrackerSimple);
gf_log_set_tool_level(GF_LOG_ALL, GF_LOG_WARNING);
gf_log_set_tool_level(GF_LOG_MEMORY, GF_LOG_INFO);
#else
gf_sys_init(GF_MemTrackerNone);
gf_log_set_tool_level(GF_LOG_ALL, GF_LOG_WARNING);
#endif
/* This is an input file to read data from. Could be replaced by any other method to retrieve the data (e.g. JavaScript, socket, ...)*/
input = gf_fopen(argv[1], "rb");
if (!input) {
fprintf(stdout, "Could not open file %s for reading.\n", argv[1]);
gf_sys_close();
return 1;
}
gf_fseek(input, 0, SEEK_END);
file_size = gf_ftell(input);
gf_fseek(input, 0, SEEK_SET);
/* Initializing the progressive reader */
memset(&reader, 0, sizeof(ISOProgressiveReader));
reading_thread = gf_th_new("ISO reading thread");
reader.mutex = gf_mx_new("ISO Segment");
reader.do_run = GF_TRUE;
/* we want to parse the first track */
reader.track_id = 1;
/* start the async parsing */
gf_th_run(reading_thread, iso_progressive_read_thread, &reader);
/* start the data reading */
reader.data_size = BUFFER_BLOCK_SIZE;
reader.data = (u8 *)gf_malloc(reader.data_size);
reader.valid_data_size = 0;
total_read_bytes = 0;
while (1) {
/* block the parser until we are done manipulating the data buffer */
gf_mx_p(reader.mutex);
if (reader.valid_data_size + BUFFER_BLOCK_SIZE > MAX_BUFFER_SIZE) {
/* regulate the reader to limit the max buffer size and let some time to the parser to release buffer data */
fprintf(stdout, "Buffer full (%d/%d)- waiting to read next data \r", reader.valid_data_size, reader.data_size);
gf_mx_v(reader.mutex);
//gf_sleep(10);
} else {
/* make sure we have enough space in the buffer to read the next bloc of data */
if (reader.valid_data_size + BUFFER_BLOCK_SIZE > reader.data_size) {
reader.data = (u8 *)gf_realloc(reader.data, reader.data_size + BUFFER_BLOCK_SIZE);
reader.data_size += BUFFER_BLOCK_SIZE;
}
/* read the next bloc of data and update the data buffer url */
read_bytes = fread(reader.data+reader.valid_data_size, 1, BUFFER_BLOCK_SIZE, input);
total_read_bytes += read_bytes;
fprintf(stdout, "Read "LLD" bytes of "LLD" bytes from input file %s (buffer status: %5d/%5d)\r", total_read_bytes, file_size, argv[1], reader.valid_data_size, reader.data_size);
if (read_bytes) {
reader.valid_data_size += read_bytes;
sprintf(reader.data_url, "gmem://%d@%p", reader.valid_data_size, reader.data);
} else {
/* end of file we can quit */
gf_mx_v(reader.mutex);
break;
}
/* if the file is not yet opened (no movie), open it in progressive mode (to update its data later on) */
if (!reader.movie) {
/* let's initialize the parser */
e = gf_isom_open_progressive(reader.data_url, 0, 0, &reader.movie, &missing_bytes);
if (reader.movie) {
gf_isom_set_single_moof_mode(reader.movie, GF_TRUE);
}
/* we can let parser try to work now */
gf_mx_v(reader.mutex);
if ((e == GF_OK || e == GF_ISOM_INCOMPLETE_FILE) && reader.movie) {
/* nothing to do, this is normal */
} else {
fprintf(stdout, "Error opening fragmented mp4 in progressive mode: %s (missing "LLD" bytes)\n", gf_error_to_string(e), missing_bytes);
ret = 1;
goto exit;
}
} else {
/* let inform the parser that the buffer has been updated with new data */
e = gf_isom_refresh_fragmented(reader.movie, &missing_bytes, reader.data_url);
/* we can let parser try to work now */
gf_mx_v(reader.mutex);
if (e != GF_OK && e != GF_ISOM_INCOMPLETE_FILE) {
fprintf(stdout, "Error refreshing fragmented mp4: %s (missing "LLD" bytes)\n", gf_error_to_string(e), missing_bytes);
ret = 1;
goto exit;
}
}
//gf_sleep(1);
}
}
exit:
/* stop the parser */
reader.do_run = GF_FALSE;
gf_th_stop(reading_thread);
/* clean structures */
gf_th_del(reading_thread);
gf_mx_del(reader.mutex);
gf_free(reader.data);
gf_isom_close(reader.movie);
gf_fclose(input);
gf_sys_close();
return ret;
}
static void realloc_chain(GF_List *ptr)
{
GF_LIST_REALLOC(ptr->allocSize);
ptr->slots = gf_realloc(ptr->slots, ptr->allocSize*sizeof(void*));
}
GF_EXPORT
GF_TextSample *gf_isom_parse_texte_sample(GF_BitStream *bs)
{
GF_TextSample *s = gf_isom_new_text_sample();
/*empty sample*/
if (!bs || !gf_bs_available(bs)) return s;
s->len = gf_bs_read_u16(bs);
if (s->len) {
/*2 extra bytes for UTF-16 term char just in case (we don't know if a BOM marker is present or
not since this may be a sample carried over RTP*/
s->text = (char *)gf_malloc(sizeof(char)*(s->len + 2));
s->text[s->len] = 0;
s->text[s->len + 1] = 0;
gf_bs_read_data(bs, s->text, s->len);
}
while (gf_bs_available(bs)) {
GF_Box *a;
GF_Err e = gf_isom_parse_box(&a, bs);
if (!e) {
switch (a->type) {
case GF_ISOM_BOX_TYPE_STYL:
if (s->styles) {
GF_TextStyleBox *st2 = (GF_TextStyleBox *)a;
if (!s->styles->entry_count) {
gf_isom_box_del((GF_Box*)s->styles);
s->styles = st2;
}
else {
s->styles->styles = (GF_StyleRecord*)gf_realloc(s->styles->styles, sizeof(GF_StyleRecord) * (s->styles->entry_count + st2->entry_count));
memcpy(&s->styles->styles[s->styles->entry_count], st2->styles, sizeof(GF_StyleRecord) * st2->entry_count);
s->styles->entry_count += st2->entry_count;
gf_isom_box_del(a);
}
}
else {
s->styles = (GF_TextStyleBox*)a;
}
break;
case GF_ISOM_BOX_TYPE_KROK:
s->cur_karaoke = (GF_TextKaraokeBox*)a;
case GF_ISOM_BOX_TYPE_HLIT:
case GF_ISOM_BOX_TYPE_HREF:
case GF_ISOM_BOX_TYPE_BLNK:
gf_list_add(s->others, a);
break;
case GF_ISOM_BOX_TYPE_HCLR:
if (s->highlight_color) gf_isom_box_del(a);
else s->highlight_color = (GF_TextHighlightColorBox *)a;
break;
case GF_ISOM_BOX_TYPE_DLAY:
if (s->scroll_delay) gf_isom_box_del(a);
else s->scroll_delay = (GF_TextScrollDelayBox*)a;
break;
case GF_ISOM_BOX_TYPE_TBOX:
if (s->box) gf_isom_box_del(a);
else s->box = (GF_TextBoxBox *)a;
break;
case GF_ISOM_BOX_TYPE_TWRP:
if (s->wrap) gf_isom_box_del(a);
else s->wrap = (GF_TextWrapBox*)a;
break;
default:
gf_isom_box_del(a);
break;
}
}
}
return s;
}
static GF_Err CENC_ProcessData(ISMAEAPriv *priv, GF_IPMPEvent *evt)
{
GF_Err e;
GF_BitStream *pleintext_bs, *cyphertext_bs, *sai_bs;
char IV[17];
bin128 KID;
char *buffer;
u32 max_size, i, subsample_count;
GF_CENCSampleAuxInfo *sai;
pleintext_bs = cyphertext_bs = sai_bs = NULL;
buffer = NULL;
max_size = 4096;
if (!priv->crypt) return GF_SERVICE_ERROR;
if (!evt->is_encrypted || !evt->IV_size || !evt->saiz) return GF_OK;
cyphertext_bs = gf_bs_new(evt->data, evt->data_size, GF_BITSTREAM_READ);
sai_bs = gf_bs_new(evt->sai, evt->saiz, GF_BITSTREAM_READ);
pleintext_bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);
buffer = (char*)gf_malloc(sizeof(char) * max_size);
sai = (GF_CENCSampleAuxInfo *)gf_malloc(sizeof(GF_CENCSampleAuxInfo));
if (!sai) {
e = GF_IO_ERR;
goto exit;
}
memset(sai, 0, sizeof(GF_CENCSampleAuxInfo));
sai->IV_size = evt->IV_size;
/*read sample auxiliary information from bitstream*/
gf_bs_read_data(sai_bs, (char *)KID, 16);
gf_bs_read_data(sai_bs, (char *)sai->IV, sai->IV_size);
sai->subsample_count = gf_bs_read_u16(sai_bs);
if (sai->subsample_count) {
sai->subsamples = (GF_CENCSubSampleEntry *)gf_malloc(sai->subsample_count*sizeof(GF_CENCSubSampleEntry));
for (i = 0; i < sai->subsample_count; i++) {
sai->subsamples[i].bytes_clear_data = gf_bs_read_u16(sai_bs);
sai->subsamples[i].bytes_encrypted_data = gf_bs_read_u32(sai_bs);
}
}
for (i = 0; i < priv->KID_count; i++) {
if (!strncmp((const char *)KID, (const char *)priv->KIDs[i], 16)) {
memmove(priv->key, priv->keys[i], 16);
break;
}
}
if (priv->first_crypted_samp) {
memmove(IV, sai->IV, sai->IV_size);
if (sai->IV_size == 8)
memset(IV+8, 0, sizeof(char)*8);
e = gf_crypt_init(priv->crypt, priv->key, 16, IV);
if (e) {
GF_LOG(GF_LOG_ERROR, GF_LOG_AUTHOR, ("[CENC] Cannot initialize AES-128 AES-128 %s (%s)\n", priv->is_cenc ? "CTR" : "CBC", gf_error_to_string(e)) );
e = GF_IO_ERR;
goto exit;
}
priv->first_crypted_samp = GF_FALSE;
} else {
if (priv->is_cenc) {
GF_BitStream *bs;
bs = gf_bs_new(IV, 17, GF_BITSTREAM_WRITE);
gf_bs_write_u8(bs, 0); /*begin of counter*/
gf_bs_write_data(bs,(char *)sai->IV, sai->IV_size);
if (sai->IV_size == 8)
gf_bs_write_u64(bs, 0); /*0-padded if IV_size == 8*/
gf_bs_del(bs);
gf_crypt_set_state(priv->crypt, IV, 17);
}
e = gf_crypt_set_key(priv->crypt, priv->key, 16, IV);
if (e) {
GF_LOG(GF_LOG_ERROR, GF_LOG_AUTHOR, ("[CENC] Cannot set key AES-128 %s (%s)\n", priv->is_cenc ? "CTR" : "CBC", gf_error_to_string(e)) );
e = GF_IO_ERR;
goto exit;
}
}
//sub-sample encryption
if (sai->subsample_count) {
subsample_count = 0;
while (gf_bs_available(cyphertext_bs)) {
if (subsample_count >= sai->subsample_count)
break;
/*read clear data and write it to pleintext bitstream*/
if (max_size < sai->subsamples[subsample_count].bytes_clear_data) {
buffer = (char*)gf_realloc(buffer, sizeof(char)*sai->subsamples[subsample_count].bytes_clear_data);
max_size = sai->subsamples[subsample_count].bytes_clear_data;
}
gf_bs_read_data(cyphertext_bs, buffer, sai->subsamples[subsample_count].bytes_clear_data);
gf_bs_write_data(pleintext_bs, buffer, sai->subsamples[subsample_count].bytes_clear_data);
/*now read encrypted data, decrypted it and write to pleintext bitstream*/
if (max_size < sai->subsamples[subsample_count].bytes_encrypted_data) {
buffer = (char*)gf_realloc(buffer, sizeof(char)*sai->subsamples[subsample_count].bytes_encrypted_data);
max_size = sai->subsamples[subsample_count].bytes_encrypted_data;
}
gf_bs_read_data(cyphertext_bs, buffer, sai->subsamples[subsample_count].bytes_encrypted_data);
gf_crypt_decrypt(priv->crypt, buffer, sai->subsamples[subsample_count].bytes_encrypted_data);
gf_bs_write_data(pleintext_bs, buffer, sai->subsamples[subsample_count].bytes_encrypted_data);
subsample_count++;
}
if (buffer) gf_free(buffer);
gf_bs_get_content(pleintext_bs, &buffer, &evt->data_size);
}
//full sample encryption
else {
if (max_size < evt->data_size) {
buffer = (char*)gf_realloc(buffer, sizeof(char)*evt->data_size);
}
gf_bs_read_data(cyphertext_bs, buffer, evt->data_size);
gf_crypt_decrypt(priv->crypt, buffer, evt->data_size);
}
memmove(evt->data, buffer, evt->data_size);
exit:
if (pleintext_bs) gf_bs_del(pleintext_bs);
if (sai_bs) gf_bs_del(sai_bs);
if (cyphertext_bs) gf_bs_del(cyphertext_bs);
if (buffer) gf_free(buffer);
if (sai && sai->subsamples) gf_free(sai->subsamples);
if (sai) gf_free(sai);
return e;
}
GF_Err gf_webvtt_parser_parse(GF_WebVTTParser *parser, u32 duration)
{
char szLine[2048];
char *sOK;
u32 len;
GF_Err e;
Bool do_parse = GF_TRUE;
GF_WebVTTCue *cue = NULL;
u32 start = 0;
u32 end = 0;
char *prevLine = NULL;
char *header = NULL;
u32 header_len = 0;
Bool had_marks = GF_FALSE;
if (!parser) return GF_BAD_PARAM;
if (parser->is_srt) {
parser->on_header_parsed(parser->user, "WEBVTT\n");
}
while (do_parse) {
sOK = gf_text_get_utf8_line(szLine, 2048, parser->vtt_in, parser->unicode_type);
REM_TRAIL_MARKS(szLine, "\r\n")
len = (u32) strlen(szLine);
switch (parser->state) {
case WEBVTT_PARSER_STATE_WAITING_SIGNATURE:
if (!sOK || len < 6 || strnicmp(szLine, "WEBVTT", 6) || (len > 6 && szLine[6] != ' ' && szLine[6] != '\t')) {
e = GF_CORRUPTED_DATA;
parser->report_message(parser->user, e, "Bad WEBVTT file signature %s", szLine);
goto exit;
} else {
if (had_marks) {
szLine[len] = '\n';
len++;
}
header = gf_strdup(szLine);
header_len = len;
parser->state = WEBVTT_PARSER_STATE_WAITING_HEADER;
}
break; /* proceed to next line */
case WEBVTT_PARSER_STATE_WAITING_HEADER:
if (prevLine) {
u32 prev_len = (u32) strlen(prevLine);
header = (char *)gf_realloc(header, header_len + prev_len + 1);
strcpy(header+header_len,prevLine);
header_len += prev_len;
gf_free(prevLine);
prevLine = NULL;
}
if (sOK && len) {
if (strstr(szLine, "-->")) {
parser->on_header_parsed(parser->user, header);
/* continue to the next state without breaking */
parser->state = WEBVTT_PARSER_STATE_WAITING_CUE_TIMESTAMP;
/* no break, continue to the next state*/
} else {
if (had_marks) {
szLine[len] = '\n';
len++;
}
prevLine = gf_strdup(szLine);
break; /* proceed to next line */
}
} else {
parser->on_header_parsed(parser->user, header);
if (!sOK) {
/* end of file, parsing is done */
do_parse = GF_FALSE;
break;
} else {
/* empty line means end of header */
parser->state = WEBVTT_PARSER_STATE_WAITING_CUE;
/* no break, continue to the next state*/
}
}
case WEBVTT_PARSER_STATE_WAITING_CUE:
if (sOK && len) {
if (strstr(szLine, "-->")) {
parser->state = WEBVTT_PARSER_STATE_WAITING_CUE_TIMESTAMP;
/* continue to the next state without breaking */
} else {
/* discard the previous line */
/* should we do something with it ? callback ?*/
if (prevLine) {
gf_free(prevLine);
prevLine = NULL;
}
/* save this new line */
if (had_marks) {
szLine[len] = '\n';
len++;
}
prevLine = gf_strdup(szLine);
/* stay in the same state */
break;
}
} else {
/* discard the previous line */
/* should we do something with it ? callback ?*/
if (prevLine) {
gf_free(prevLine);
prevLine = NULL;
}
if (!sOK) {
do_parse = GF_FALSE;
break;
} else {
/* remove empty lines and stay in the same state */
break;
}
}
case WEBVTT_PARSER_STATE_WAITING_CUE_TIMESTAMP:
if (sOK && len) {
if (cue == NULL) {
cue = gf_webvtt_cue_new();
}
if (prevLine) {
gf_webvtt_cue_add_property(cue, WEBVTT_ID, prevLine, (u32) strlen(prevLine));
gf_free(prevLine);
prevLine = NULL;
}
e = gf_webvtt_parser_parse_timings_settings(parser, cue, szLine, len);
if (e) {
if (cue) gf_webvtt_cue_del(cue);
cue = NULL;
parser->state = WEBVTT_PARSER_STATE_WAITING_CUE;
} else {
start = (u32)gf_webvtt_timestamp_get(&cue->start);
end = (u32)gf_webvtt_timestamp_get(&cue->end);
parser->state = WEBVTT_PARSER_STATE_WAITING_CUE_PAYLOAD;
}
} else {
/* not possible */
assert(0);
}
break;
case WEBVTT_PARSER_STATE_WAITING_CUE_PAYLOAD:
if (sOK && len) {
if (had_marks) {
szLine[len] = '\n';
len++;
}
gf_webvtt_cue_add_property(cue, WEBVTT_PAYLOAD, szLine, len);
/* remain in the same state as a cue payload can have multiple lines */
break;
} else {
/* end of the current cue */
gf_webvtt_add_cue_to_samples(parser, parser->samples, cue);
cue = NULL;
gf_set_progress("Importing WebVTT", gf_ftell(parser->vtt_in), parser->file_size);
if ((duration && (end >= duration)) || !sOK) {
do_parse = GF_FALSE;
break;
} else {
/* empty line, move to next cue */
parser->state = WEBVTT_PARSER_STATE_WAITING_CUE;
break;
}
}
}
if (duration && (start >= duration)) {
break;
}
}
/* no more cues to come, flush everything */
if (cue) {
gf_webvtt_add_cue_to_samples(parser, parser->samples, cue);
cue = NULL;
}
while (gf_list_count(parser->samples) > 0) {
GF_WebVTTSample *sample = (GF_WebVTTSample *)gf_list_get(parser->samples, 0);
parser->last_duration = sample->end - sample->start;
gf_list_rem(parser->samples, 0);
parser->on_sample_parsed(parser->user, sample);
}
gf_set_progress("Importing WebVTT", parser->file_size, parser->file_size);
e = GF_OK;
exit:
if (cue) gf_webvtt_cue_del(cue);
if (prevLine) gf_free(prevLine);
if (header) gf_free(header);
return e;
}
static void MediaDecoder_GetNextAU(GF_Codec *codec, GF_Channel **activeChannel, GF_DBUnit **nextAU)
{
GF_Channel *ch;
GF_DBUnit *AU;
u32 count, minDTS, i;
count = gf_list_count(codec->inChannels);
*nextAU = NULL;
*activeChannel = NULL;
if (!count) return;
minDTS = 0;
/*browse from base to top layer*/
for (i=0;i<count;i++) {
ch = (GF_Channel*)gf_list_get(codec->inChannels, i);
if ((codec->type==GF_STREAM_OCR) && ch->IsClockInit) {
/*check duration - we assume that scalable OCR streams are just pure nonsense...*/
if (ch->is_pulling && codec->odm->duration) {
if (gf_clock_time(codec->ck) > codec->odm->duration)
gf_es_on_eos(ch);
}
return;
}
AU = gf_es_get_au(ch);
if (!AU) {
if (! (*activeChannel)) *activeChannel = ch;
continue;
}
/*aggregate all AUs with the same timestamp on the base AU and delete the upper layers)*/
if (! *nextAU) {
GF_LOG(GF_LOG_DEBUG, GF_LOG_CODEC, ("[%s] ODM%d#CH%d AU CTS %d selected as first layer\n", codec->decio->module_name, codec->odm->OD->objectDescriptorID, ch->esd->ESID, AU->CTS));
*nextAU = AU;
*activeChannel = ch;
minDTS = AU->DTS;
} else if (AU->DTS == minDTS) {
GF_DBUnit *baseAU = *nextAU;
assert(baseAU);
baseAU->data = gf_realloc(baseAU->data, baseAU->dataLength + AU->dataLength);
memcpy(baseAU->data + baseAU->dataLength , AU->data, AU->dataLength);
baseAU->dataLength += AU->dataLength;
GF_LOG(GF_LOG_DEBUG, GF_LOG_CODEC, ("[%s] ODM%d#CH%d AU CTS %d reaggregated on base layer %d\n", codec->decio->module_name, codec->odm->OD->objectDescriptorID, ch->esd->ESID, AU->CTS, (*activeChannel)->esd->ESID));
gf_es_drop_au(ch);
} else {
break;
}
}
if (codec->is_reordering && *nextAU && codec->first_frame_dispatched) {
if ((*activeChannel)->esd->slConfig->no_dts_signaling) {
u32 CTS = (*nextAU)->CTS;
/*reordering !!*/
u32 prev_ts_diff;
u32 diff = 0;
if (codec->recomputed_cts && (codec->recomputed_cts > (*nextAU)->CTS)) {
diff = codec->recomputed_cts - CTS;
}
prev_ts_diff = (CTS > codec->last_unit_cts) ? (CTS - codec->last_unit_cts) : (codec->last_unit_cts - CTS);
if (!diff) diff = prev_ts_diff;
else if (prev_ts_diff && (prev_ts_diff < diff) ) diff = prev_ts_diff;
if (!codec->min_au_duration || (diff < codec->min_au_duration))
codec->min_au_duration = diff;
} else {
codec->min_au_duration = 0;
/*FIXME - we're breaking sync (couple of frames delay)*/
(*nextAU)->CTS = (*nextAU)->DTS;
}
}
}
/*dispatch the AU in the DB*/
static void Channel_DispatchAU(GF_Channel *ch, u32 duration)
{
u32 time;
GF_DBUnit *au;
if (!ch->buffer || !ch->len) {
if (ch->buffer) {
gf_free(ch->buffer);
ch->buffer = NULL;
}
return;
}
au = gf_db_unit_new();
if (!au) {
gf_free(ch->buffer);
ch->buffer = NULL;
ch->len = 0;
return;
}
au->CTS = ch->CTS;
au->DTS = ch->DTS;
if (ch->IsRap) au->flags |= GF_DB_AU_RAP;
if (ch->CTS_past_offset) {
au->CTS = ch->CTS_past_offset;
au->flags |= GF_DB_AU_CTS_IN_PAST;
ch->CTS_past_offset = 0;
}
if (ch->no_timestamps) {
au->flags |= GF_DB_AU_NO_TIMESTAMPS;
ch->no_timestamps=0;
}
au->data = ch->buffer;
au->dataLength = ch->len;
au->PaddingBits = ch->padingBits;
ch->IsRap = 0;
ch->padingBits = 0;
au->next = NULL;
ch->buffer = NULL;
if (ch->len + ch->media_padding_bytes != ch->allocSize) {
au->data = (char*)gf_realloc(au->data, sizeof(char) * (au->dataLength + ch->media_padding_bytes));
}
if (ch->media_padding_bytes) memset(au->data + au->dataLength, 0, sizeof(char)*ch->media_padding_bytes);
ch->len = ch->allocSize = 0;
gf_es_lock(ch, 1);
if (ch->service && ch->service->cache) {
GF_SLHeader slh;
memset(&slh, 0, sizeof(GF_SLHeader));
slh.accessUnitEndFlag = slh.accessUnitStartFlag = 1;
slh.compositionTimeStampFlag = slh.decodingTimeStampFlag = 1;
slh.decodingTimeStamp = ch->net_dts;
slh.compositionTimeStamp = ch->net_cts;
slh.randomAccessPointFlag = (au->flags & GF_DB_AU_RAP) ? 1 : 0;
ch->service->cache->Write(ch->service->cache, ch, au->data, au->dataLength, &slh);
}
if (!ch->AU_buffer_first) {
ch->AU_buffer_first = au;
ch->AU_buffer_last = au;
ch->AU_Count = 1;
} else {
if (ch->AU_buffer_last->DTS<=au->DTS) {
ch->AU_buffer_last->next = au;
ch->AU_buffer_last = ch->AU_buffer_last->next;
}
/*enable deinterleaving only for audio channels (some video transport may not be able to compute DTS, cf MPEG1-2/RTP)
HOWEVER, we must recompute a monotone increasing DTS in case the decoder does perform frame reordering
in which case the DTS is used for presentation time!!*/
else if (ch->esd->decoderConfig->streamType!=GF_STREAM_AUDIO) {
#if 0
GF_DBUnit *au_prev, *ins_au;
u32 DTS;
#endif
au->DTS = 0;
/*append AU*/
ch->AU_buffer_last->next = au;
ch->AU_buffer_last = ch->AU_buffer_last->next;
#if 0
GF_LOG(GF_LOG_INFO, GF_LOG_SYNC, ("[SyncLayer] Media deinterleaving OD %d ch %d\n", ch->esd->ESID, ch->odm->OD->objectDescriptorID));
DTS = au->DTS;
au_prev = ch->AU_buffer_first;
/*locate first AU in buffer with DTS greater than new unit CTS*/
while (au_prev->next && (au_prev->DTS < DTS) ) au_prev = au_prev->next;
/*remember insertion point*/
ins_au = au_prev;
/*shift all following frames DTS*/
while (au_prev->next) {
au_prev->next->DTS = au_prev->DTS;
au_prev = au_prev->next;
}
/*and apply*/
ins_au->DTS = DTS;
#endif
} else {
GF_LOG(GF_LOG_INFO, GF_LOG_SYNC, ("[SyncLayer] Audio deinterleaving OD %d ch %d\n", ch->esd->ESID, ch->odm->OD->objectDescriptorID));
/*de-interleaving of AUs*/
if (ch->AU_buffer_first->DTS > au->DTS) {
au->next = ch->AU_buffer_first;
ch->AU_buffer_first = au;
} else {
GF_DBUnit *au_prev = ch->AU_buffer_first;
while (au_prev->next && au_prev->next->DTS<au->DTS) {
au_prev = au_prev->next;
}
assert(au_prev);
if (au_prev->next->DTS==au->DTS) {
gf_free(au->data);
gf_free(au);
} else {
au->next = au_prev->next;
au_prev->next = au;
}
}
}
ch->AU_Count += 1;
}
Channel_UpdateBufferTime(ch);
ch->au_duration = 0;
if (duration) ch->au_duration = (u32) ((u64)1000 * duration / ch->ts_res);
GF_LOG(GF_LOG_DEBUG, GF_LOG_SYNC, ("[SyncLayer] ES%d - Dispatch AU DTS %d - CTS %d - size %d time %d Buffer %d Nb AUs %d - First AU relative timing %d\n", ch->esd->ESID, au->DTS, au->CTS, au->dataLength, gf_clock_real_time(ch->clock), ch->BufferTime, ch->AU_Count, ch->AU_buffer_first ? ch->AU_buffer_first->DTS - gf_clock_time(ch->clock) : 0 ));
/*little optimisation: if direct dispatching is possible, try to decode the AU
we must lock the media scheduler to avoid deadlocks with other codecs accessing the scene or
media resources*/
if (ch->dispatch_after_db) {
u32 retry = 100;
u32 current_frame;
GF_Terminal *term = ch->odm->term;
ch_buffer_off(ch);
gf_es_lock(ch, 0);
if (gf_mx_try_lock(term->mm_mx)) {
switch (ch->esd->decoderConfig->streamType) {
case GF_STREAM_OD:
gf_codec_process(ch->odm->subscene->od_codec, 100);
break;
case GF_STREAM_SCENE:
if (ch->odm->codec)
gf_codec_process(ch->odm->codec, 100);
else
gf_codec_process(ch->odm->subscene->scene_codec, 100);
break;
}
gf_mx_v(term->mm_mx);
}
gf_es_lock(ch, 1);
current_frame = term->compositor->frame_number;
/*wait for initial setup to complete before giving back the hand to the caller service*/
while (retry) {
/*Scene bootstrap: if the scene is attached, wait for first frame to complete so that initial PLAY on
objects can be evaluated*/
if (term->compositor->scene && (term->compositor->frame_number==current_frame) ) {
retry--;
gf_sleep(1);
continue;
}
/*Media bootstrap: wait for all pending requests on media objects are processed*/
if (gf_list_count(term->media_queue)) {
retry--;
gf_sleep(1);
continue;
}
break;
}
}
time = gf_term_get_time(ch->odm->term);
if (ch->BufferOn) {
ch->last_au_time = time;
Channel_UpdateBuffering(ch, 1);
} else {
/*trigger the data progress every 500 ms*/
if (ch->last_au_time + 500 > time) {
gf_term_service_media_event(ch->odm, GF_EVENT_MEDIA_DATA_PROGRESS);
ch->last_au_time = time;
}
}
gf_es_lock(ch, 0);
}
/*handles reception of an SL-PDU, logical or physical*/
void gf_es_receive_sl_packet(GF_ClientService *serv, GF_Channel *ch, char *payload, u32 payload_size, GF_SLHeader *header, GF_Err reception_status)
{
GF_SLHeader hdr;
u32 nbAU, OldLength, size, AUSeqNum;
Bool EndAU, NewAU;
if (ch->bypass_sl_and_db) {
GF_SceneDecoder *sdec;
ch->IsClockInit = 1;
if (ch->odm->subscene) {
sdec = (GF_SceneDecoder *)ch->odm->subscene->scene_codec->decio;
} else {
sdec = (GF_SceneDecoder *)ch->odm->codec->decio;
}
gf_mx_p(ch->mx);
sdec->ProcessData(sdec, payload, payload_size, ch->esd->ESID, 0, 0);
gf_mx_v(ch->mx);
return;
}
if (ch->es_state != GF_ESM_ES_RUNNING) return;
if (ch->skip_sl) {
Channel_ReceiveSkipSL(serv, ch, payload, payload_size);
return;
}
if (ch->is_raw_channel) {
ch->CTS = ch->DTS = (u32) (ch->ts_offset + (header->compositionTimeStamp - ch->seed_ts) * 1000 / ch->ts_res);
if (!ch->IsClockInit) {
gf_es_check_timing(ch);
}
if (payload)
gf_es_dispatch_raw_media_au(ch, payload, payload_size, ch->CTS);
return;
}
/*physical SL-PDU - depacketize*/
if (!header) {
u32 SLHdrLen;
if (!payload_size) return;
gf_sl_depacketize(ch->esd->slConfig, &hdr, payload, payload_size, &SLHdrLen);
payload_size -= SLHdrLen;
payload += SLHdrLen;
} else {
hdr = *header;
}
/*we ignore OCRs for the moment*/
if (hdr.OCRflag) {
if (!ch->IsClockInit) {
/*channel is the OCR, re-initialize the clock with the proper OCR*/
if (gf_es_owns_clock(ch)) {
u32 OCR_TS;
/*if SL is mapped from network module(eg not coded), OCR=PCR shall be given in 27Mhz units*/
if (hdr.m2ts_pcr) {
OCR_TS = (u32) ( hdr.objectClockReference / 27000);
} else {
OCR_TS = (u32) ( (s64) (hdr.objectClockReference) * ch->ocr_scale);
}
ch->clock->clock_init = 0;
gf_clock_set_time(ch->clock, OCR_TS);
/*many TS streams deployed with HLS have broken PCRs - we will check their consistency
when receiving the first AU with DTS/CTS on this channel*/
ch->clock->probe_ocr = 1;
GF_LOG(GF_LOG_INFO, GF_LOG_SYNC, ("[SyncLayer] ES%d: initializing clock at STB %d from OCR TS %d (origial TS "LLD") - %d buffering - OTB %d\n", ch->esd->ESID, gf_term_get_time(ch->odm->term), OCR_TS, hdr.objectClockReference, ch->clock->Buffering, gf_clock_time(ch->clock) ));
if (ch->clock->clock_init) ch->IsClockInit = 1;
}
}
#if 0
/*adjust clock if M2TS PCR discontinuity*/
else if (hdr.m2ts_pcr==2) {
u32 ck;
u32 OCR_TS = (u32) ( hdr.objectClockReference / 27000);
ck = gf_clock_time(ch->clock);
GF_LOG(GF_LOG_DEBUG, GF_LOG_SYNC, ("[SyncLayer] ES%d: At OTB %d - OCR Discontinuity OCR: adjusting to %d (origial TS "LLD") - original clock %d\n", ch->esd->ESID, gf_clock_real_time(ch->clock), OCR_TS, hdr.objectClockReference, ck));
// gf_clock_set_time(ch->clock, (u32) OCR_TS);
}
/*compute clock drift*/
else {
u32 ck;
u32 OCR_TS;
if (hdr.m2ts_pcr) {
OCR_TS = (u32) ( hdr.objectClockReference / 27000);
} else {
OCR_TS = (u32) ( (s64) (hdr.objectClockReference) * ch->ocr_scale);
}
ck = gf_clock_time(ch->clock);
GF_LOG(GF_LOG_DEBUG, GF_LOG_SYNC, ("[SyncLayer] ES%d: At OTB %d adjusting OCR to %d (origial TS "LLD") - diff %d\n", ch->esd->ESID, gf_clock_real_time(ch->clock), OCR_TS, hdr.objectClockReference, (s32) OCR_TS - (s32) ck));
// gf_clock_set_time(ch->clock, (u32) OCR_TS);
}
#else
{
u32 ck;
u32 OCR_TS;
if (hdr.m2ts_pcr) {
OCR_TS = (u32) ( hdr.objectClockReference / 27000);
} else {
OCR_TS = (u32) ( (s64) (hdr.objectClockReference) * ch->ocr_scale);
}
ck = gf_clock_time(ch->clock);
GF_LOG(GF_LOG_DEBUG, GF_LOG_SYNC, ("[SyncLayer] ES%d: At OTB %d got OCR %d (origial TS "LLD") - diff %d%s\n", ch->esd->ESID, gf_clock_real_time(ch->clock), OCR_TS, hdr.objectClockReference, (s32) OCR_TS - (s32) ck, (hdr.m2ts_pcr==2) ? " - PCR Discontinuity flag" : "" ));
}
#endif
if (!payload_size) return;
}
/*check state*/
if (!ch->codec_resilient && (reception_status==GF_CORRUPTED_DATA)) {
Channel_WaitRAP(ch);
return;
}
if (!ch->esd->slConfig->useAccessUnitStartFlag) {
/*no AU signaling - each packet is an AU*/
if (!ch->esd->slConfig->useAccessUnitEndFlag)
hdr.accessUnitEndFlag = hdr.accessUnitStartFlag = 1;
/*otherwise AU are signaled by end of previous packet*/
else
hdr.accessUnitStartFlag = ch->NextIsAUStart;
}
/*get RAP*/
if (ch->esd->slConfig->hasRandomAccessUnitsOnlyFlag) {
hdr.randomAccessPointFlag = 1;
} else if ((ch->carousel_type!=GF_ESM_CAROUSEL_MPEG2) && (!ch->esd->slConfig->useRandomAccessPointFlag || ch->codec_resilient) ) {
ch->stream_state = 0;
}
if (ch->esd->slConfig->packetSeqNumLength) {
if (ch->pck_sn && hdr.packetSequenceNumber) {
/*repeated -> drop*/
if (ch->pck_sn == hdr.packetSequenceNumber) {
GF_LOG(GF_LOG_INFO, GF_LOG_SYNC, ("[SyncLayer] ES%d: repeated packet, droping\n", ch->esd->ESID));
return;
}
/*if codec has no resiliency check packet drops*/
if (!ch->codec_resilient && !hdr.accessUnitStartFlag) {
if (ch->pck_sn == (u32) (1<<ch->esd->slConfig->packetSeqNumLength) ) {
if (hdr.packetSequenceNumber) {
GF_LOG(GF_LOG_WARNING, GF_LOG_SYNC, ("[SyncLayer] ES%d: packet loss, droping & wait RAP\n", ch->esd->ESID));
Channel_WaitRAP(ch);
return;
}
} else if (ch->pck_sn + 1 != hdr.packetSequenceNumber) {
GF_LOG(GF_LOG_WARNING, GF_LOG_SYNC, ("[SyncLayer] ES%d: packet loss, droping & wait RAP\n", ch->esd->ESID));
Channel_WaitRAP(ch);
return;
}
}
}
ch->pck_sn = hdr.packetSequenceNumber;
}
/*if empty, skip the packet*/
if (hdr.paddingFlag && !hdr.paddingBits) {
GF_LOG(GF_LOG_DEBUG, GF_LOG_SYNC, ("[SyncLayer] ES%d: Empty packet - skipping\n", ch->esd->ESID));
return;
}
/*IDLE stream shall be processed*/
NewAU = 0;
if (hdr.accessUnitStartFlag) {
NewAU = 1;
ch->NextIsAUStart = 0;
ch->skip_carousel_au = 0;
/*if we have a pending AU, add it*/
if (ch->buffer) {
if (ch->esd->slConfig->useAccessUnitEndFlag) {
GF_LOG(GF_LOG_WARNING, GF_LOG_SYNC, ("[SyncLayer] ES%d: missed end of AU (DTS %d)\n", ch->esd->ESID, ch->DTS));
}
if (ch->codec_resilient) {
if (!ch->IsClockInit) gf_es_check_timing(ch);
Channel_DispatchAU(ch, 0);
} else {
gf_free(ch->buffer);
ch->buffer = NULL;
ch->AULength = 0;
ch->len = ch->allocSize = 0;
}
}
AUSeqNum = hdr.AU_sequenceNumber;
/*Get CTS */
if (ch->esd->slConfig->useTimestampsFlag) {
if (hdr.compositionTimeStampFlag) {
ch->net_dts = ch->net_cts = hdr.compositionTimeStamp;
/*get DTS */
if (hdr.decodingTimeStampFlag) ch->net_dts = hdr.decodingTimeStamp;
#if 0
/*until clock is not init check seed ts*/
if (!ch->IsClockInit && (ch->net_dts < ch->seed_ts))
ch->seed_ts = ch->net_dts;
#endif
if (ch->net_cts<ch->seed_ts) {
u64 diff = ch->seed_ts - ch->net_cts;
ch->CTS_past_offset = (u32) (diff * 1000 / ch->ts_res) + ch->ts_offset;
ch->net_dts = ch->net_cts = 0;
ch->CTS = ch->DTS = gf_clock_time(ch->clock);
} else {
if (ch->net_dts>ch->seed_ts) ch->net_dts -= ch->seed_ts;
else ch->net_dts=0;
ch->net_cts -= ch->seed_ts;
ch->CTS_past_offset = 0;
/*TS Wraping not tested*/
ch->CTS = (u32) (ch->ts_offset + (s64) (ch->net_cts) * 1000 / ch->ts_res);
ch->DTS = (u32) (ch->ts_offset + (s64) (ch->net_dts) * 1000 / ch->ts_res);
}
if (ch->clock->probe_ocr && gf_es_owns_clock(ch)) {
s32 diff_ts = ch->DTS;
diff_ts -= ch->clock->init_time;
if (ABS(diff_ts) > 10000) {
GF_LOG(GF_LOG_ERROR, GF_LOG_SYNC, ("[SyncLayer] ES%d: invalid clock reference detected - DTS %d OCR %d - using DTS as OCR\n", ch->DTS, ch->clock->init_time));
ch->clock->clock_init = 0;
gf_clock_set_time(ch->clock, ch->DTS-1000);
}
ch->clock->probe_ocr = 0;
}
ch->no_timestamps = 0;
} else {
ch->no_timestamps = 1;
}
} else {
/*use CU duration*/
if (!ch->IsClockInit) ch->DTS = ch->CTS = ch->ts_offset;
if (!ch->esd->slConfig->AUSeqNumLength) {
if (!ch->au_sn) {
ch->CTS = ch->ts_offset;
ch->au_sn = 1;
} else {
ch->CTS += ch->esd->slConfig->CUDuration;
}
} else {
//use the sequence number to get the TS
if (AUSeqNum < ch->au_sn) {
nbAU = ( (1<<ch->esd->slConfig->AUSeqNumLength) - ch->au_sn) + AUSeqNum;
} else {
nbAU = AUSeqNum - ch->au_sn;
}
ch->CTS += nbAU * ch->esd->slConfig->CUDuration;
}
}
/*if the AU Length is carried in SL, get its size*/
if (ch->esd->slConfig->AULength > 0) {
ch->AULength = hdr.accessUnitLength;
} else {
ch->AULength = 0;
}
/*carousel for repeated AUs.*/
if (ch->carousel_type) {
/* not used : Bool use_rap = hdr.randomAccessPointFlag; */
if (ch->carousel_type==GF_ESM_CAROUSEL_MPEG2) {
AUSeqNum = hdr.m2ts_version_number_plus_one-1;
/*mpeg-2 section carrouseling does not take into account the RAP nature of the tables*/
if (AUSeqNum==ch->au_sn) {
if (ch->stream_state) {
ch->stream_state=0;
GF_LOG(GF_LOG_INFO, GF_LOG_SYNC, ("[SyncLayer] ES%d: MPEG-2 Carousel: tuning in\n", ch->esd->ESID));
} else {
ch->skip_carousel_au = 1;
GF_LOG(GF_LOG_DEBUG, GF_LOG_SYNC, ("[SyncLayer] ES%d: MPEG-2 Carousel: repeated AU (TS %d) - skipping\n", ch->esd->ESID, ch->CTS));
return;
}
} else {
GF_LOG(GF_LOG_DEBUG, GF_LOG_SYNC, ("[SyncLayer] ES%d: MPEG-2 Carousel: updated AU (TS %d)\n", ch->esd->ESID, ch->CTS));
ch->stream_state=0;
ch->au_sn = AUSeqNum;
}
} else {
if (hdr.randomAccessPointFlag) {
/*initial tune-in*/
if (ch->stream_state==1) {
GF_LOG(GF_LOG_INFO, GF_LOG_SYNC, ("[SyncLayer] ES%d: RAP Carousel found (TS %d) - tuning in\n", ch->esd->ESID, ch->CTS));
ch->au_sn = AUSeqNum;
ch->stream_state = 0;
}
/*carousel RAP*/
else if (AUSeqNum == ch->au_sn) {
/*error recovery*/
if (ch->stream_state==2) {
GF_LOG(GF_LOG_INFO, GF_LOG_SYNC, ("[SyncLayer] ES%d: RAP Carousel found (TS %d) - recovering\n", ch->esd->ESID, ch->CTS));
ch->stream_state = 0;
}
else {
ch->skip_carousel_au = 1;
GF_LOG(GF_LOG_INFO, GF_LOG_SYNC, ("[SyncLayer] ES%d: RAP Carousel found (TS %d) - skipping\n", ch->esd->ESID, ch->CTS));
return;
}
}
/*regular RAP*/
else {
if (ch->stream_state==2) {
GF_LOG(GF_LOG_INFO, GF_LOG_SYNC, ("[SyncLayer] ES%d: RAP Carousel found (TS %d) - recovering from previous errors\n", ch->esd->ESID, ch->CTS));
}
ch->au_sn = AUSeqNum;
ch->stream_state = 0;
}
}
/*regular AU but waiting for RAP*/
else if (ch->stream_state) {
#if 0
ch->skip_carousel_au = 1;
GF_LOG(GF_LOG_INFO, GF_LOG_SYNC, ("[SyncLayer] ES%d: Waiting for RAP Carousel - skipping\n", ch->esd->ESID));
return;
#else
GF_LOG(GF_LOG_INFO, GF_LOG_SYNC, ("[SyncLayer] ES%d: Tuning in before RAP\n", ch->esd->ESID));
#endif
}
/*previous packet(s) loss: check for critical or non-critical AUs*/
else if (reception_status == GF_REMOTE_SERVICE_ERROR) {
if (ch->au_sn == AUSeqNum) {
GF_LOG(GF_LOG_INFO, GF_LOG_SYNC, ("[SyncLayer] ES%d: Lost a non critical packet\n", ch->esd->ESID));
}
/*Packet lost are critical*/
else {
ch->stream_state = 2;
GF_LOG(GF_LOG_INFO, GF_LOG_SYNC, ("[SyncLayer] ES%d: Lost a critical packet - skipping\n", ch->esd->ESID));
return;
}
} else {
ch->au_sn = AUSeqNum;
GF_LOG(GF_LOG_DEBUG, GF_LOG_SYNC, ("[SyncLayer] ES%d: NON-RAP AU received (TS %d)\n", ch->esd->ESID, ch->DTS));
}
}
}
/*no carousel signaling, tune-in at first RAP*/
else if (hdr.randomAccessPointFlag) {
ch->stream_state = 0;
GF_LOG(GF_LOG_DEBUG, GF_LOG_SYNC, ("[SyncLayer] ES%d: RAP AU received\n", ch->esd->ESID));
}
/*waiting for RAP, return*/
else if (ch->stream_state) {
GF_LOG(GF_LOG_INFO, GF_LOG_SYNC, ("[SyncLayer] ES%d: Waiting for RAP - skipping AU (DTS %d)\n", ch->esd->ESID, ch->DTS));
return;
}
}
/*update the RAP marker on a packet base (to cope with AVC/H264 NALU->AU reconstruction)*/
if (hdr.randomAccessPointFlag) ch->IsRap = 1;
/*get AU end state*/
OldLength = ch->buffer ? ch->len : 0;
EndAU = hdr.accessUnitEndFlag;
if (ch->AULength == OldLength + payload_size) EndAU = 1;
if (EndAU) ch->NextIsAUStart = 1;
if (EndAU && !ch->IsClockInit) gf_es_check_timing(ch);
/* we need to skip all the packets of the current AU in the carousel scenario */
if (ch->skip_carousel_au == 1) return;
if (!payload_size && EndAU && ch->buffer) {
GF_LOG(GF_LOG_DEBUG, GF_LOG_SYNC, ("[SyncLayer] ES%d: Empty packet, flushing buffer\n", ch->esd->ESID));
Channel_DispatchAU(ch, 0);
return;
}
if (!payload_size) return;
/*missed begining, unusable*/
if (!ch->buffer && !NewAU) {
if (ch->esd->slConfig->useAccessUnitStartFlag) {
GF_LOG(GF_LOG_ERROR, GF_LOG_SYNC, ("[SyncLayer] ES%d: missed begin of AU\n", ch->esd->ESID));
}
if (ch->codec_resilient) NewAU = 1;
else return;
}
/*Write the Packet payload to the buffer*/
if (NewAU) {
/*we should NEVER have a bitstream at this stage*/
assert(!ch->buffer);
/*ignore length fields*/
size = payload_size + ch->media_padding_bytes;
ch->buffer = (char*)gf_malloc(sizeof(char) * size);
if (!ch->buffer) {
assert(0);
return;
}
ch->allocSize = size;
memset(ch->buffer, 0, sizeof(char) * size);
ch->len = 0;
}
if (!ch->esd->slConfig->usePaddingFlag) hdr.paddingFlag = 0;
if (ch->ipmp_tool) {
GF_Err e;
GF_IPMPEvent evt;
memset(&evt, 0, sizeof(evt));
evt.event_type=GF_IPMP_TOOL_PROCESS_DATA;
evt.channel = ch;
evt.data = payload;
evt.data_size = payload_size;
evt.is_encrypted = hdr.isma_encrypted;
evt.isma_BSO = hdr.isma_BSO;
e = ch->ipmp_tool->process(ch->ipmp_tool, &evt);
/*we discard undecrypted AU*/
if (e) {
if (e==GF_EOS) {
gf_es_on_eos(ch);
/*restart*/
if (evt.restart_requested) {
if (ch->odm->parentscene->is_dynamic_scene) {
gf_scene_restart_dynamic(ch->odm->parentscene, 0);
} else {
mediacontrol_restart(ch->odm);
}
}
}
return;
}
}
if (hdr.paddingFlag && !EndAU) {
/*to do - this shouldn't happen anyway */
} else {
/*check if enough space*/
size = ch->allocSize;
if (size && (payload_size + ch->len <= size)) {
memcpy(ch->buffer+ch->len, payload, payload_size);
ch->len += payload_size;
} else {
size = payload_size + ch->len + ch->media_padding_bytes;
ch->buffer = (char*)gf_realloc(ch->buffer, sizeof(char) * size);
memcpy(ch->buffer+ch->len, payload, payload_size);
ch->allocSize = size;
ch->len += payload_size;
}
if (hdr.paddingFlag) ch->padingBits = hdr.paddingBits;
}
if (EndAU) Channel_DispatchAU(ch, hdr.au_duration);
}
static void SAF_NetIO(void *cbk, GF_NETIO_Parameter *param)
{
GF_Err e;
Bool is_rap, go;
SAFChannel *ch;
u32 cts, au_sn, au_size, type, i, stream_id;
u64 bs_pos;
GF_BitStream *bs;
GF_SLHeader sl_hdr;
SAFIn *read = (SAFIn *) cbk;
e = param->error;
/*done*/
if (param->msg_type==GF_NETIO_DATA_TRANSFERED) {
if (read->stream && (read->saf_type==SAF_FILE_REMOTE)) read->saf_type = SAF_FILE_LOCAL;
return;
} else {
/*handle service message*/
gf_service_download_update_stats(read->dnload);
if (param->msg_type!=GF_NETIO_DATA_EXCHANGE) {
if (e<0) {
if (read->needs_connection) {
read->needs_connection = 0;
gf_service_connect_ack(read->service, NULL, e);
}
return;
}
if (read->needs_connection) {
u32 total_size;
gf_dm_sess_get_stats(read->dnload, NULL, NULL, &total_size, NULL, NULL, NULL);
if (!total_size) read->saf_type = SAF_LIVE_STREAM;
}
return;
}
}
if (!param->size) return;
if (!read->run_state) return;
if (read->alloc_size < read->saf_size + param->size) {
read->saf_data = (char*)gf_realloc(read->saf_data, sizeof(char)*(read->saf_size + param->size) );
read->alloc_size = read->saf_size + param->size;
}
memcpy(read->saf_data + read->saf_size, param->data, sizeof(char)*param->size);
read->saf_size += param->size;
/*first AU not complete yet*/
if (read->saf_size<10) return;
bs = gf_bs_new(read->saf_data, read->saf_size, GF_BITSTREAM_READ);
bs_pos = 0;
go = 1;
while (go) {
u64 avail = gf_bs_available(bs);
bs_pos = gf_bs_get_position(bs);
if (avail<10) break;
is_rap = gf_bs_read_int(bs, 1);
au_sn = gf_bs_read_int(bs, 15);
gf_bs_read_int(bs, 2);
cts = gf_bs_read_int(bs, 30);
au_size = gf_bs_read_int(bs, 16);
avail-=8;
if (au_size > avail) break;
assert(au_size>=2);
is_rap = 1;
type = gf_bs_read_int(bs, 4);
stream_id = gf_bs_read_int(bs, 12);
au_size -= 2;
ch = saf_get_channel(read, stream_id, NULL);
switch (type) {
case 1:
case 2:
case 7:
if (ch) {
gf_bs_skip_bytes(bs, au_size);
} else {
SAFChannel *first = (SAFChannel *)gf_list_get(read->channels, 0);
GF_SAFEALLOC(ch, SAFChannel);
ch->stream_id = stream_id;
ch->esd = gf_odf_desc_esd_new(0);
ch->esd->ESID = stream_id;
ch->esd->OCRESID = first ? first->stream_id : stream_id;
ch->esd->slConfig->useRandomAccessPointFlag = 1;
ch->esd->slConfig->AUSeqNumLength = 0;
ch->esd->decoderConfig->objectTypeIndication = gf_bs_read_u8(bs);
ch->esd->decoderConfig->streamType = gf_bs_read_u8(bs);
ch->ts_res = ch->esd->slConfig->timestampResolution = gf_bs_read_u24(bs);
ch->esd->decoderConfig->bufferSizeDB = gf_bs_read_u16(bs);
au_size -= 7;
if ((ch->esd->decoderConfig->objectTypeIndication == 0xFF) && (ch->esd->decoderConfig->streamType == 0xFF) ) {
u16 mimeLen = gf_bs_read_u16(bs);
gf_bs_skip_bytes(bs, mimeLen);
au_size -= mimeLen+2;
}
if (type==7) {
u16 urlLen = gf_bs_read_u16(bs);
ch->esd->URLString = (char*)gf_malloc(sizeof(char)*(urlLen+1));
gf_bs_read_data(bs, ch->esd->URLString, urlLen);
ch->esd->URLString[urlLen] = 0;
au_size -= urlLen+2;
}
if (au_size) {
ch->esd->decoderConfig->decoderSpecificInfo->dataLength = au_size;
ch->esd->decoderConfig->decoderSpecificInfo->data = (char*)gf_malloc(sizeof(char)*au_size);
gf_bs_read_data(bs, ch->esd->decoderConfig->decoderSpecificInfo->data, au_size);
}
if (ch->esd->decoderConfig->streamType==4) ch->buffer_min=100;
else if (ch->esd->decoderConfig->streamType==5) ch->buffer_min=400;
else ch->buffer_min=0;
if (read->needs_connection && (ch->esd->decoderConfig->streamType==GF_STREAM_SCENE)) {
gf_list_add(read->channels, ch);
read->needs_connection = 0;
gf_service_connect_ack(read->service, NULL, GF_OK);
} else if (read->needs_connection) {
gf_odf_desc_del((GF_Descriptor *) ch->esd);
gf_free(ch);
ch = NULL;
} else {
GF_ObjectDescriptor *od;
gf_list_add(read->channels, ch);
od = (GF_ObjectDescriptor*)gf_odf_desc_new(GF_ODF_OD_TAG);
gf_list_add(od->ESDescriptors, ch->esd);
ch->esd = NULL;
od->objectDescriptorID = ch->stream_id;
gf_service_declare_media(read->service, (GF_Descriptor*)od, 0);
}
}
break;
case 4:
if (ch) {
bs_pos = gf_bs_get_position(bs);
memset(&sl_hdr, 0, sizeof(GF_SLHeader));
sl_hdr.accessUnitLength = au_size;
sl_hdr.AU_sequenceNumber = au_sn;
sl_hdr.compositionTimeStampFlag = 1;
sl_hdr.compositionTimeStamp = cts;
sl_hdr.randomAccessPointFlag = is_rap;
if (read->start_range && (read->start_range*ch->ts_res>cts*1000)) {
sl_hdr.compositionTimeStamp = read->start_range*ch->ts_res/1000;
}
gf_service_send_packet(read->service, ch->ch, read->saf_data+bs_pos, au_size, &sl_hdr, GF_OK);
}
gf_bs_skip_bytes(bs, au_size);
break;
case 3:
if (ch) gf_service_send_packet(read->service, ch->ch, NULL, 0, NULL, GF_EOS);
break;
case 5:
go = 0;
read->run_state = 0;
i=0;
while ((ch = (SAFChannel *)gf_list_enum(read->channels, &i))) {
gf_service_send_packet(read->service, ch->ch, NULL, 0, NULL, GF_EOS);
}
break;
}
}
gf_bs_del(bs);
if (bs_pos) {
u32 remain = (u32) (read->saf_size - bs_pos);
if (remain) memmove(read->saf_data, read->saf_data+bs_pos, sizeof(char)*remain);
read->saf_size = remain;
}
SAF_Regulate(read);
}
int live_session(int argc, char **argv)
{
GF_Err e;
u32 i;
char *filename = NULL;
char *dst = NULL;
char *ifce_addr = NULL;
char *sdp_name = "session.sdp";
u16 dst_port = 7000;
u32 load_type=0;
u32 check;
u32 ttl = 1;
u32 path_mtu = 1450;
s32 next_time;
u64 last_src_modif, mod_time;
char *src_name = NULL;
Bool run, has_carousel, no_rap;
Bool udp = 0;
u16 sk_port=0;
GF_Socket *sk = NULL;
LiveSession livesess;
RTPChannel *ch;
char *update_buffer = NULL;
u32 update_buffer_size = 0;
u16 aggregate_on_stream;
Bool adjust_carousel_time, force_rap, aggregate_au, discard_pending, signal_rap, version_inc;
Bool update_context;
u32 period, ts_delta, signal_critical;
u16 es_id;
e = GF_OK;
aggregate_au = 1;
es_id = 0;
no_rap = 0;
gf_sys_init(GF_FALSE);
memset(&livesess, 0, sizeof(LiveSession));
gf_log_set_tool_level(GF_LOG_ALL, GF_LOG_INFO);
for (i=1; i<(u32) argc; i++) {
char *arg = argv[i];
if (arg[0] != '-') filename = arg;
else if (!strnicmp(arg, "-dst=", 5)) dst = arg+5;
else if (!strnicmp(arg, "-port=", 6)) dst_port = atoi(arg+6);
else if (!strnicmp(arg, "-sdp=", 5)) sdp_name = arg+5;
else if (!strnicmp(arg, "-mtu=", 5)) path_mtu = atoi(arg+5);
else if (!strnicmp(arg, "-ttl=", 5)) ttl = atoi(arg+5);
else if (!strnicmp(arg, "-ifce=", 6)) ifce_addr = arg+6;
else if (!strnicmp(arg, "-no-rap", 7)) no_rap = 1;
else if (!strnicmp(arg, "-dims", 5)) load_type = GF_SM_LOAD_DIMS;
else if (!strnicmp(arg, "-src=", 5)) src_name = arg+5;
else if (!strnicmp(arg, "-udp=", 5)) {
sk_port = atoi(arg+5);
udp = 1;
}
else if (!strnicmp(arg, "-tcp=", 5)) {
sk_port = atoi(arg+5);
udp = 0;
}
}
if (!filename) {
fprintf(stderr, "Missing filename\n");
PrintLiveUsage();
return 1;
}
if (dst_port && dst) livesess.streams = gf_list_new();
livesess.seng = gf_seng_init(&livesess, filename, load_type, NULL, (load_type == GF_SM_LOAD_DIMS) ? 1 : 0);
if (!livesess.seng) {
fprintf(stderr, "Cannot create scene engine\n");
return 1;
}
if (livesess.streams) live_session_setup(&livesess, dst, dst_port, path_mtu, ttl, ifce_addr, sdp_name);
has_carousel = 0;
last_src_modif = src_name ? gf_file_modification_time(src_name) : 0;
if (sk_port) {
sk = gf_sk_new(udp ? GF_SOCK_TYPE_UDP : GF_SOCK_TYPE_TCP);
if (udp) {
e = gf_sk_bind(sk, NULL, sk_port, NULL, 0, 0);
if (e != GF_OK) {
if (sk) gf_sk_del(sk);
sk = NULL;
}
} else {
}
}
for (i=0; i<(u32) argc; i++) {
char *arg = argv[i];
if (!strnicmp(arg, "-rap=", 5)) {
u32 period, id, j;
RTPChannel *ch;
period = id = 0;
if (strchr(arg, ':')) {
sscanf(arg, "-rap=ESID=%u:%u", &id, &period);
e = gf_seng_enable_aggregation(livesess.seng, id, 1);
if (e) {
fprintf(stderr, "Cannot enable aggregation on stream %u: %s\n", id, gf_error_to_string(e));
goto exit;
}
} else {
sscanf(arg, "-rap=%u", &period);
}
j=0;
while (NULL != (ch = gf_list_enum(livesess.streams, &j))) {
if (!id || (ch->ESID==id))
ch->carousel_period = period;
}
has_carousel = 1;
}
}
i=0;
while (NULL != (ch = gf_list_enum(livesess.streams, &i))) {
if (ch->carousel_period) {
has_carousel = 1;
break;
}
}
update_context = 0;
if (has_carousel || !no_rap) {
livesess.carousel_generation = 1;
gf_seng_encode_context(livesess.seng, live_session_callback);
livesess.carousel_generation = 0;
}
live_session_send_carousel(&livesess, NULL);
check = 10;
run = 1;
while (run) {
check--;
if (!check) {
check = 10;
if (gf_prompt_has_input()) {
char c = gf_prompt_get_char();
switch (c) {
case 'q':
run=0;
break;
case 'U':
livesess.critical = 1;
case 'u':
{
GF_Err e;
char szCom[8192];
fprintf(stderr, "Enter command to send:\n");
szCom[0] = 0;
if (1 > scanf("%[^\t\n]", szCom)) {
fprintf(stderr, "No command entered properly, aborting.\n");
break;
}
/*stdin flush bug*/
while (getchar()!='\n') {}
e = gf_seng_encode_from_string(livesess.seng, 0, 0, szCom, live_session_callback);
if (e) fprintf(stderr, "Processing command failed: %s\n", gf_error_to_string(e));
e = gf_seng_aggregate_context(livesess.seng, 0);
livesess.critical = 0;
update_context = 1;
}
break;
case 'E':
livesess.critical = 1;
case 'e':
{
GF_Err e;
char szCom[8192];
fprintf(stderr, "Enter command to send:\n");
szCom[0] = 0;
if (1 > scanf("%[^\t\n]", szCom)) {
printf("No command entered properly, aborting.\n");
break;
}
/*stdin flush bug*/
while (getchar()!='\n') {}
e = gf_seng_encode_from_string(livesess.seng, 0, 1, szCom, live_session_callback);
if (e) fprintf(stderr, "Processing command failed: %s\n", gf_error_to_string(e));
livesess.critical = 0;
e = gf_seng_aggregate_context(livesess.seng, 0);
}
break;
case 'p':
{
char rad[GF_MAX_PATH];
fprintf(stderr, "Enter output file name - \"std\" for stderr: ");
if (1 > scanf("%s", rad)) {
fprintf(stderr, "No ouput file name entered, aborting.\n");
break;
}
e = gf_seng_save_context(livesess.seng, !strcmp(rad, "std") ? NULL : rad);
fprintf(stderr, "Dump done (%s)\n", gf_error_to_string(e));
}
break;
case 'F':
update_context = 1;
case 'f':
livesess.force_carousel = 1;
break;
}
e = GF_OK;
}
}
/*process updates from file source*/
if (src_name) {
mod_time = gf_file_modification_time(src_name);
if (mod_time != last_src_modif) {
FILE *srcf;
char flag_buf[201], *flag;
fprintf(stderr, "Update file modified - processing\n");
last_src_modif = mod_time;
srcf = gf_fopen(src_name, "rt");
if (!srcf) continue;
/*checks if we have a broadcast config*/
if (!fgets(flag_buf, 200, srcf))
flag_buf[0] = '\0';
gf_fclose(srcf);
aggregate_on_stream = (u16) -1;
adjust_carousel_time = force_rap = discard_pending = signal_rap = signal_critical = 0;
aggregate_au = version_inc = 1;
period = -1;
ts_delta = 0;
es_id = 0;
/*find our keyword*/
flag = strstr(flag_buf, "gpac_broadcast_config ");
if (flag) {
flag += strlen("gpac_broadcast_config ");
/*move to next word*/
while (flag && (flag[0]==' ')) flag++;
while (1) {
char *sep = strchr(flag, ' ');
if (sep) sep[0] = 0;
if (!strnicmp(flag, "esid=", 5)) es_id = atoi(flag+5);
else if (!strnicmp(flag, "period=", 7)) period = atoi(flag+7);
else if (!strnicmp(flag, "ts=", 3)) ts_delta = atoi(flag+3);
else if (!strnicmp(flag, "carousel=", 9)) aggregate_on_stream = atoi(flag+9);
else if (!strnicmp(flag, "restamp=", 8)) adjust_carousel_time = atoi(flag+8);
else if (!strnicmp(flag, "discard=", 8)) discard_pending = atoi(flag+8);
else if (!strnicmp(flag, "aggregate=", 10)) aggregate_au = atoi(flag+10);
else if (!strnicmp(flag, "force_rap=", 10)) force_rap = atoi(flag+10);
else if (!strnicmp(flag, "rap=", 4)) signal_rap = atoi(flag+4);
else if (!strnicmp(flag, "critical=", 9)) signal_critical = atoi(flag+9);
else if (!strnicmp(flag, "vers_inc=", 9)) version_inc = atoi(flag+9);
if (sep) {
sep[0] = ' ';
flag = sep+1;
} else {
break;
}
}
set_broadcast_params(&livesess, es_id, period, ts_delta, aggregate_on_stream, adjust_carousel_time, force_rap, aggregate_au, discard_pending, signal_rap, signal_critical, version_inc);
}
e = gf_seng_encode_from_file(livesess.seng, es_id, aggregate_au ? 0 : 1, src_name, live_session_callback);
if (e) fprintf(stderr, "Processing command failed: %s\n", gf_error_to_string(e));
e = gf_seng_aggregate_context(livesess.seng, 0);
update_context = no_rap ? 0 : 1;
}
}
/*process updates from socket source*/
if (sk) {
char buffer[2049];
u32 bytes_read;
u32 update_length;
u32 bytes_received;
e = gf_sk_receive(sk, buffer, 2048, 0, &bytes_read);
if (e == GF_OK) {
u32 hdr_length = 0;
u8 cmd_type = buffer[0];
bytes_received = 0;
switch (cmd_type) {
case 0:
{
GF_BitStream *bs = gf_bs_new(buffer, bytes_read, GF_BITSTREAM_READ);
gf_bs_read_u8(bs);
es_id = gf_bs_read_u16(bs);
aggregate_on_stream = gf_bs_read_u16(bs);
if (aggregate_on_stream==0xFFFF) aggregate_on_stream = -1;
adjust_carousel_time = gf_bs_read_int(bs, 1);
force_rap = gf_bs_read_int(bs, 1);
aggregate_au = gf_bs_read_int(bs, 1);
discard_pending = gf_bs_read_int(bs, 1);
signal_rap = gf_bs_read_int(bs, 1);
signal_critical = gf_bs_read_int(bs, 1);
version_inc = gf_bs_read_int(bs, 1);
gf_bs_read_int(bs, 1);
period = gf_bs_read_u16(bs);
if (period==0xFFFF) period = -1;
ts_delta = gf_bs_read_u16(bs);
update_length = gf_bs_read_u32(bs);
hdr_length = 12;
gf_bs_del(bs);
}
set_broadcast_params(&livesess, es_id, period, ts_delta, aggregate_on_stream, adjust_carousel_time, force_rap, aggregate_au, discard_pending, signal_rap, signal_critical, version_inc);
break;
default:
update_length = 0;
break;
}
if (update_buffer_size <= update_length) {
update_buffer = gf_realloc(update_buffer, update_length+1);
update_buffer_size = update_length+1;
}
if (update_length && (bytes_read>hdr_length) ) {
memcpy(update_buffer, buffer+hdr_length, bytes_read-hdr_length);
bytes_received = bytes_read-hdr_length;
}
while (bytes_received<update_length) {
e = gf_sk_receive(sk, buffer, 2048, 0, &bytes_read);
switch (e) {
case GF_IP_NETWORK_EMPTY:
break;
case GF_OK:
memcpy(update_buffer+bytes_received, buffer, bytes_read);
bytes_received += bytes_read;
break;
default:
fprintf(stderr, "Error with UDP socket : %s\n", gf_error_to_string(e));
break;
}
}
update_buffer[update_length] = 0;
if (update_length) {
e = gf_seng_encode_from_string(livesess.seng, es_id, aggregate_au ? 0 : 1, update_buffer, live_session_callback);
if (e) fprintf(stderr, "Processing command failed: %s\n", gf_error_to_string(e));
e = gf_seng_aggregate_context(livesess.seng, 0);
update_context = 1;
}
}
}
if (update_context) {
livesess.carousel_generation=1;
e = gf_seng_encode_context(livesess.seng, live_session_callback );
livesess.carousel_generation=0;
update_context = 0;
}
if (livesess.force_carousel) {
live_session_send_carousel(&livesess, NULL);
livesess.force_carousel = 0;
continue;
}
if (!has_carousel) {
gf_sleep(10);
continue;
}
ch = next_carousel(&livesess, (u32 *) &next_time);
if ((ch==NULL) || (next_time > 20)) {
gf_sleep(20);
continue;
}
if (next_time) gf_sleep(next_time);
live_session_send_carousel(&livesess, ch);
}
exit:
live_session_shutdown(&livesess);
if (update_buffer) gf_free(update_buffer);
if (sk) gf_sk_del(sk);
gf_sys_close();
return e ? 1 : 0;
}
void m2ts_net_io(void *cbk, GF_NETIO_Parameter *param)
{
GF_Err e;
M2TSIn *m2ts = (M2TSIn *) cbk;
assert( m2ts );
/*handle service message*/
gf_term_download_update_stats(m2ts->ts->dnload);
if (param->msg_type==GF_NETIO_DATA_TRANSFERED) {
e = GF_EOS;
} else if (param->msg_type==GF_NETIO_DATA_EXCHANGE) {
e = GF_OK;
assert( m2ts->ts);
if (param->size > 0){
/*process chunk*/
assert(param->data);
if (m2ts->network_buffer_size < param->size){
m2ts->network_buffer = gf_realloc(m2ts->network_buffer, sizeof(char) * param->size);
m2ts->network_buffer_size = param->size;
}
assert( m2ts->network_buffer );
memcpy(m2ts->network_buffer, param->data, param->size);
gf_m2ts_process_data(m2ts->ts, m2ts->network_buffer, param->size);
}
/*if asked to regulate, wait until we get a play request*/
if (m2ts->ts->run_state && !m2ts->ts->nb_playing && (m2ts->ts->file_regulate==1)) {
while (m2ts->ts->run_state && !m2ts->ts->nb_playing && (m2ts->ts->file_regulate==1) ) {
gf_sleep(50);
continue;
}
} else {
gf_sleep(1);
}
#if 1 //see commit 3642: crashes when reload quickly with http
if (!m2ts->ts->run_state) {
if (m2ts->ts->dnload)
gf_term_download_del( m2ts->ts->dnload );
m2ts->ts->dnload = NULL;
}
#endif
} else {
e = param->error;
}
switch (e){
case GF_EOS:
if (!m2ts->is_connected) {
gf_term_on_connect(m2ts->service, NULL, GF_OK);
}
return;
case GF_OK:
return;
default:
if (!m2ts->ts_setup) {
m2ts->ts_setup = 1;
}
GF_LOG(GF_LOG_ERROR, GF_LOG_CONTAINER,("[MPEGTSIn] : Error while getting data : %s\n", gf_error_to_string(e)));
gf_term_on_connect(m2ts->service, NULL, e);
}
}
/**
* A function which takes FFmpeg H265 extradata (SPS/PPS) and bring them ready to be pushed to the MP4 muxer.
* @param extradata
* @param extradata_size
* @param dstcfg
* @returns GF_OK is the extradata was parsed and is valid, other values otherwise.
*/
static GF_Err hevc_import_ffextradata(const u8 *extradata, const u64 extradata_size, GF_HEVCConfig *dst_cfg)
{
#ifdef GPAC_DISABLE_AV_PARSERS
return GF_OK;
#else
HEVCState hevc;
GF_HEVCParamArray *vpss = NULL, *spss = NULL, *ppss = NULL;
GF_BitStream *bs;
char *buffer = NULL;
u32 buffer_size = 0;
if (!extradata || (extradata_size < sizeof(u32)))
return GF_BAD_PARAM;
bs = gf_bs_new(extradata, extradata_size, GF_BITSTREAM_READ);
if (!bs)
return GF_BAD_PARAM;
memset(&hevc, 0, sizeof(HEVCState));
hevc.sps_active_idx = -1;
while (gf_bs_available(bs)) {
s32 idx;
GF_AVCConfigSlot *slc;
u8 nal_unit_type, temporal_id, layer_id;
u64 nal_start;
u32 nal_size;
if (gf_bs_read_u32(bs) != 0x00000001) {
gf_bs_del(bs);
return GF_BAD_PARAM;
}
nal_start = gf_bs_get_position(bs);
nal_size = gf_media_nalu_next_start_code_bs(bs);
if (nal_start + nal_size > extradata_size) {
gf_bs_del(bs);
return GF_BAD_PARAM;
}
if (nal_size > buffer_size) {
buffer = (char*)gf_realloc(buffer, nal_size);
buffer_size = nal_size;
}
gf_bs_read_data(bs, buffer, nal_size);
gf_bs_seek(bs, nal_start);
gf_media_hevc_parse_nalu(bs, &hevc, &nal_unit_type, &temporal_id, &layer_id);
if (layer_id) {
gf_bs_del(bs);
gf_free(buffer);
return GF_BAD_PARAM;
}
switch (nal_unit_type) {
case GF_HEVC_NALU_VID_PARAM:
idx = gf_media_hevc_read_vps(buffer, nal_size , &hevc);
if (idx < 0) {
gf_bs_del(bs);
gf_free(buffer);
return GF_BAD_PARAM;
}
assert(hevc.vps[idx].state == 1); //we don't expect multiple VPS
if (hevc.vps[idx].state == 1) {
hevc.vps[idx].state = 2;
hevc.vps[idx].crc = gf_crc_32(buffer, nal_size);
dst_cfg->avgFrameRate = hevc.vps[idx].rates[0].avg_pic_rate;
dst_cfg->constantFrameRate = hevc.vps[idx].rates[0].constand_pic_rate_idc;
dst_cfg->numTemporalLayers = hevc.vps[idx].max_sub_layers;
dst_cfg->temporalIdNested = hevc.vps[idx].temporal_id_nesting;
if (!vpss) {
GF_SAFEALLOC(vpss, GF_HEVCParamArray);
vpss->nalus = gf_list_new();
gf_list_add(dst_cfg->param_array, vpss);
vpss->array_completeness = 1;
vpss->type = GF_HEVC_NALU_VID_PARAM;
}
slc = (GF_AVCConfigSlot*)gf_malloc(sizeof(GF_AVCConfigSlot));
slc->size = nal_size;
slc->id = idx;
slc->data = (char*)gf_malloc(sizeof(char)*slc->size);
memcpy(slc->data, buffer, sizeof(char)*slc->size);
gf_list_add(vpss->nalus, slc);
}
break;
case GF_HEVC_NALU_SEQ_PARAM:
idx = gf_media_hevc_read_sps(buffer, nal_size, &hevc);
if (idx < 0) {
gf_bs_del(bs);
gf_free(buffer);
return GF_BAD_PARAM;
}
assert(!(hevc.sps[idx].state & AVC_SPS_DECLARED)); //we don't expect multiple SPS
if ((hevc.sps[idx].state & AVC_SPS_PARSED) && !(hevc.sps[idx].state & AVC_SPS_DECLARED)) {
hevc.sps[idx].state |= AVC_SPS_DECLARED;
hevc.sps[idx].crc = gf_crc_32(buffer, nal_size);
}
dst_cfg->configurationVersion = 1;
dst_cfg->profile_space = hevc.sps[idx].ptl.profile_space;
dst_cfg->tier_flag = hevc.sps[idx].ptl.tier_flag;
dst_cfg->profile_idc = hevc.sps[idx].ptl.profile_idc;
dst_cfg->general_profile_compatibility_flags = hevc.sps[idx].ptl.profile_compatibility_flag;
dst_cfg->progressive_source_flag = hevc.sps[idx].ptl.general_progressive_source_flag;
dst_cfg->interlaced_source_flag = hevc.sps[idx].ptl.general_interlaced_source_flag;
dst_cfg->non_packed_constraint_flag = hevc.sps[idx].ptl.general_non_packed_constraint_flag;
dst_cfg->frame_only_constraint_flag = hevc.sps[idx].ptl.general_frame_only_constraint_flag;
dst_cfg->constraint_indicator_flags = hevc.sps[idx].ptl.general_reserved_44bits;
dst_cfg->level_idc = hevc.sps[idx].ptl.level_idc;
dst_cfg->chromaFormat = hevc.sps[idx].chroma_format_idc;
dst_cfg->luma_bit_depth = hevc.sps[idx].bit_depth_luma;
dst_cfg->chroma_bit_depth = hevc.sps[idx].bit_depth_chroma;
if (!spss) {
GF_SAFEALLOC(spss, GF_HEVCParamArray);
spss->nalus = gf_list_new();
gf_list_add(dst_cfg->param_array, spss);
spss->array_completeness = 1;
spss->type = GF_HEVC_NALU_SEQ_PARAM;
}
slc = (GF_AVCConfigSlot*)gf_malloc(sizeof(GF_AVCConfigSlot));
slc->size = nal_size;
slc->id = idx;
slc->data = (char*)gf_malloc(sizeof(char)*slc->size);
memcpy(slc->data, buffer, sizeof(char)*slc->size);
gf_list_add(spss->nalus, slc);
break;
case GF_HEVC_NALU_PIC_PARAM:
idx = gf_media_hevc_read_pps(buffer, nal_size, &hevc);
if (idx < 0) {
gf_bs_del(bs);
gf_free(buffer);
return GF_BAD_PARAM;
}
assert(hevc.pps[idx].state == 1); //we don't expect multiple PPS
if (hevc.pps[idx].state == 1) {
hevc.pps[idx].state = 2;
hevc.pps[idx].crc = gf_crc_32(buffer, nal_size);
if (!ppss) {
GF_SAFEALLOC(ppss, GF_HEVCParamArray);
ppss->nalus = gf_list_new();
gf_list_add(dst_cfg->param_array, ppss);
ppss->array_completeness = 1;
ppss->type = GF_HEVC_NALU_PIC_PARAM;
}
slc = (GF_AVCConfigSlot*)gf_malloc(sizeof(GF_AVCConfigSlot));
slc->size = nal_size;
slc->id = idx;
slc->data = (char*)gf_malloc(sizeof(char)*slc->size);
memcpy(slc->data, buffer, sizeof(char)*slc->size);
gf_list_add(ppss->nalus, slc);
}
break;
default:
break;
}
if (gf_bs_seek(bs, nal_start+nal_size)) {
assert(nal_start+nal_size <= gf_bs_get_size(bs));
break;
}
}
gf_bs_del(bs);
gf_free(buffer);
return GF_OK;
#endif
}
GF_Err LSR_UpdateESD(GF_LASeRSampleEntryBox *lsr, GF_ESD *esd)
{
GF_BitRateBox *btrt = gf_isom_sample_entry_get_bitrate((GF_SampleEntryBox *)lsr, GF_TRUE);
if (lsr->descr) gf_isom_box_del((GF_Box *) lsr->descr);
lsr->descr = NULL;
btrt->avgBitrate = esd->decoderConfig->avgBitrate;
btrt->maxBitrate = esd->decoderConfig->maxBitrate;
btrt->bufferSizeDB = esd->decoderConfig->bufferSizeDB;
if (gf_list_count(esd->IPIDataSet)
|| gf_list_count(esd->IPMPDescriptorPointers)
|| esd->langDesc
|| gf_list_count(esd->extensionDescriptors)
|| esd->ipiPtr || esd->qos || esd->RegDescriptor) {
lsr->descr = (GF_MPEG4ExtensionDescriptorsBox *)gf_isom_box_new(GF_ISOM_BOX_TYPE_M4DS);
if (esd->RegDescriptor) {
gf_list_add(lsr->descr->descriptors, esd->RegDescriptor);
esd->RegDescriptor = NULL;
}
if (esd->qos) {
gf_list_add(lsr->descr->descriptors, esd->qos);
esd->qos = NULL;
}
if (esd->ipiPtr) {
gf_list_add(lsr->descr->descriptors, esd->ipiPtr);
esd->ipiPtr= NULL;
}
while (gf_list_count(esd->IPIDataSet)) {
GF_Descriptor *desc = (GF_Descriptor *)gf_list_get(esd->IPIDataSet, 0);
gf_list_rem(esd->IPIDataSet, 0);
gf_list_add(lsr->descr->descriptors, desc);
}
while (gf_list_count(esd->IPMPDescriptorPointers)) {
GF_Descriptor *desc = (GF_Descriptor *)gf_list_get(esd->IPMPDescriptorPointers, 0);
gf_list_rem(esd->IPMPDescriptorPointers, 0);
gf_list_add(lsr->descr->descriptors, desc);
}
if (esd->langDesc) {
gf_list_add(lsr->descr->descriptors, esd->langDesc);
esd->langDesc = NULL;
}
while (gf_list_count(esd->extensionDescriptors)) {
GF_Descriptor *desc = (GF_Descriptor *)gf_list_get(esd->extensionDescriptors, 0);
gf_list_rem(esd->extensionDescriptors, 0);
gf_list_add(lsr->descr->descriptors, desc);
}
}
/*update GF_AVCConfig*/
if (!lsr->lsr_config) lsr->lsr_config = (GF_LASERConfigurationBox *)gf_isom_box_new(GF_ISOM_BOX_TYPE_LSRC);
if (esd->decoderConfig->decoderSpecificInfo && esd->decoderConfig->decoderSpecificInfo->data) {
lsr->lsr_config->hdr = gf_realloc(lsr->lsr_config->hdr, sizeof(char) * esd->decoderConfig->decoderSpecificInfo->dataLength);
lsr->lsr_config->hdr_size = esd->decoderConfig->decoderSpecificInfo->dataLength;
memcpy(lsr->lsr_config->hdr, esd->decoderConfig->decoderSpecificInfo->data, sizeof(char)*esd->decoderConfig->decoderSpecificInfo->dataLength);
}
gf_odf_desc_del((GF_Descriptor *)esd);
return GF_OK;
}
/* Rewrite mode:
* mode = 0: playback
* mode = 1: streaming
*/
GF_Err gf_isom_nalu_sample_rewrite(GF_MediaBox *mdia, GF_ISOSample *sample, u32 sampleNumber, GF_MPEGVisualSampleEntryBox *entry)
{
Bool is_hevc = 0;
GF_Err e = GF_OK;
GF_ISOSample *ref_samp;
GF_BitStream *src_bs, *ref_bs, *dst_bs;
u64 offset;
u32 ref_nalu_size, data_offset, data_length, copy_size, nal_size, max_size, di, nal_unit_size_field, cur_extract_mode, extractor_mode;
Bool rewrite_ps, rewrite_start_codes;
u8 ref_track_ID, ref_track_num;
s8 sample_offset, nal_type;
u32 nal_hdr;
char *buffer;
GF_ISOFile *file = mdia->mediaTrack->moov->mov;
src_bs = ref_bs = dst_bs = NULL;
ref_samp = NULL;
buffer = NULL;
rewrite_ps = (mdia->mediaTrack->extractor_mode & GF_ISOM_NALU_EXTRACT_INBAND_PS_FLAG) ? 1 : 0;
if (! sample->IsRAP) rewrite_ps = 0;
rewrite_start_codes = (mdia->mediaTrack->extractor_mode & GF_ISOM_NALU_EXTRACT_ANNEXB_FLAG) ? 1 : 0;
extractor_mode = mdia->mediaTrack->extractor_mode&0x0000FFFF;
if (extractor_mode == GF_ISOM_NALU_EXTRACT_INSPECT) {
if (!rewrite_ps && !rewrite_start_codes)
return GF_OK;
}
if (!entry) return GF_BAD_PARAM;
nal_unit_size_field = 0;
/*if svc rewrire*/
if (entry->svc_config && entry->svc_config->config) nal_unit_size_field = entry->svc_config->config->nal_unit_size;
/*if mvc rewrire*/
/*otherwise do nothing*/
else if (!rewrite_ps && !rewrite_start_codes) {
return GF_OK;
}
if (!nal_unit_size_field) {
if (entry->avc_config) nal_unit_size_field = entry->avc_config->config->nal_unit_size;
else if (entry->hevc_config) {
nal_unit_size_field = entry->hevc_config->config->nal_unit_size;
is_hevc = 1;
}
}
if (!nal_unit_size_field) return GF_ISOM_INVALID_FILE;
dst_bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE);
src_bs = gf_bs_new(sample->data, sample->dataLength, GF_BITSTREAM_READ);
max_size = 4096;
/*rewrite start code with NALU delim*/
if (rewrite_start_codes) {
gf_bs_write_int(dst_bs, 1, 32);
if (is_hevc) {
gf_bs_write_int(dst_bs, 0, 1);
gf_bs_write_int(dst_bs, GF_HEVC_NALU_ACCESS_UNIT, 6);
gf_bs_write_int(dst_bs, 0, 9);
/*pic-type - by default we signal all slice types possible*/
gf_bs_write_int(dst_bs, 2, 3);
gf_bs_write_int(dst_bs, 0, 5);
} else {
gf_bs_write_int(dst_bs, (sample->data[0] & 0x60) | GF_AVC_NALU_ACCESS_UNIT, 8);
gf_bs_write_int(dst_bs, 0xF0 , 8); /*7 "all supported NALUs" (=111) + rbsp trailing (10000)*/;
}
}
if (rewrite_ps) {
if (is_hevc) {
u32 i, count;
count = gf_list_count(entry->hevc_config->config->param_array);
for (i=0; i<count; i++) {
GF_HEVCParamArray *ar = gf_list_get(entry->hevc_config->config->param_array, i);
rewrite_nalus_list(ar->nalus, dst_bs, rewrite_start_codes, nal_unit_size_field);
}
/*little optimization if we are not asked to start codes: copy over the sample*/
if (!rewrite_start_codes) {
gf_bs_write_data(dst_bs, sample->data, sample->dataLength);
gf_free(sample->data);
sample->data = NULL;
gf_bs_get_content(dst_bs, &sample->data, &sample->dataLength);
gf_bs_del(src_bs);
gf_bs_del(dst_bs);
return GF_OK;
}
} else {
/*this is an SVC track: get all SPS/PPS from this track down to the base layer and rewrite them*/
if (mdia->mediaTrack->has_base_layer) {
u32 j;
GF_List *nalu_sps = gf_list_new();
GF_List *nalu_pps = gf_list_new();
GF_TrackReferenceTypeBox *dpnd = NULL;
Track_FindRef(mdia->mediaTrack, GF_ISOM_REF_SCAL, &dpnd);
#if 0
/*get all upper layers with SCAL reference to this track*/
for (j = 0; j < gf_isom_get_track_count(file); j++) {
if (gf_isom_has_track_reference(file, j+1, GF_ISOM_REF_SCAL, mdia->mediaTrack->Header->trackID)) {
u32 tkID;
GF_TrackBox *base_track;
GF_MPEGVisualSampleEntryBox *base_entry;
gf_isom_get_reference_ID(file, j+1, GF_ISOM_REF_SCAL, 1, &tkID);
base_track = GetTrackbyID(mdia->mediaTrack->moov, tkID);
base_entry = base_track ? gf_list_get(base_track->Media->information->sampleTable->SampleDescription->other_boxes, 0) : NULL;
if (base_entry)
merge_nalus(base_entry, nalu_sps, nalu_pps);
}
}
#endif
merge_nalus(entry, nalu_sps, nalu_pps);
if (dpnd) {
for (j=0; j<dpnd->trackIDCount; j++) {
GF_TrackBox *base_track = GetTrackbyID(mdia->mediaTrack->moov, dpnd->trackIDs[j]);
GF_MPEGVisualSampleEntryBox *base_entry = base_track ? gf_list_get(base_track->Media->information->sampleTable->SampleDescription->other_boxes, 0) : NULL;
if (base_entry)
merge_nalus(base_entry, nalu_sps, nalu_pps);
}
}
//rewrite nalus
rewrite_nalus_list(nalu_sps, dst_bs, rewrite_start_codes, nal_unit_size_field);
rewrite_nalus_list(nalu_pps, dst_bs, rewrite_start_codes, nal_unit_size_field);
gf_list_del(nalu_sps);
gf_list_del(nalu_pps);
} else {
if (entry->avc_config) {
rewrite_nalus_list(entry->avc_config->config->sequenceParameterSets, dst_bs, rewrite_start_codes, nal_unit_size_field);
rewrite_nalus_list(entry->avc_config->config->pictureParameterSets, dst_bs, rewrite_start_codes, nal_unit_size_field);
rewrite_nalus_list(entry->avc_config->config->sequenceParameterSetExtensions, dst_bs, rewrite_start_codes, nal_unit_size_field);
}
/*add svc config */
if (entry->svc_config) {
rewrite_nalus_list(entry->svc_config->config->sequenceParameterSets, dst_bs, rewrite_start_codes, nal_unit_size_field);
rewrite_nalus_list(entry->svc_config->config->pictureParameterSets, dst_bs, rewrite_start_codes, nal_unit_size_field);
}
/*little optimization if we are not asked to rewrite extractors or start codes: copy over the sample*/
if (!entry->svc_config && !rewrite_start_codes) {
gf_bs_write_data(dst_bs, sample->data, sample->dataLength);
gf_free(sample->data);
sample->data = NULL;
gf_bs_get_content(dst_bs, &sample->data, &sample->dataLength);
gf_bs_del(src_bs);
gf_bs_del(dst_bs);
return GF_OK;
}
}
}
}
buffer = (char *)gf_malloc(sizeof(char)*max_size);
while (gf_bs_available(src_bs))
{
nal_size = gf_bs_read_int(src_bs, 8*nal_unit_size_field);
if (nal_size>max_size) {
buffer = (char*) gf_realloc(buffer, sizeof(char)*nal_size);
max_size = nal_size;
}
if (is_hevc) {
nal_hdr = gf_bs_read_u16(src_bs);
nal_type = (nal_hdr&0x7E00) >> 9;
} else {
nal_hdr = gf_bs_read_u8(src_bs);
nal_type = nal_hdr & 0x1F;
}
if (is_hevc) {
/*we already wrote this stuff*/
if (nal_type==GF_HEVC_NALU_ACCESS_UNIT) {
gf_bs_skip_bytes(src_bs, nal_size-2);
continue;
}
/*rewrite nal*/
gf_bs_read_data(src_bs, buffer, nal_size-2);
if (rewrite_start_codes)
gf_bs_write_u32(dst_bs, 1);
else
gf_bs_write_int(dst_bs, nal_size, 8*nal_unit_size_field);
gf_bs_write_u16(dst_bs, nal_hdr);
gf_bs_write_data(dst_bs, buffer, nal_size-2);
continue;
}
/*we already wrote this stuff*/
if (nal_type==GF_AVC_NALU_ACCESS_UNIT) {
gf_bs_skip_bytes(src_bs, nal_size-1);
continue;
}
//extractor
if (nal_type == 31) {
switch (extractor_mode) {
case 0:
gf_bs_read_int(src_bs, 24); //3 bytes of NALUHeader in extractor
ref_track_ID = gf_bs_read_u8(src_bs);
sample_offset = (s8) gf_bs_read_int(src_bs, 8);
data_offset = gf_bs_read_u32(src_bs);
data_length = gf_bs_read_u32(src_bs);
ref_track_num = gf_isom_get_track_by_id(file, ref_track_ID);
if (!ref_track_num) {
e = GF_BAD_PARAM;
goto exit;
}
cur_extract_mode = gf_isom_get_nalu_extract_mode(file, ref_track_num);
gf_isom_set_nalu_extract_mode(file, ref_track_num, GF_ISOM_NALU_EXTRACT_INSPECT);
ref_samp = gf_isom_get_sample(file, ref_track_num, sampleNumber+sample_offset, &di);
if (!ref_samp) {
e = GF_IO_ERR;
goto exit;
}
ref_bs = gf_bs_new(ref_samp->data, ref_samp->dataLength, GF_BITSTREAM_READ);
offset = 0;
while (gf_bs_available(ref_bs)) {
if (gf_bs_get_position(ref_bs) < data_offset) {
ref_nalu_size = gf_bs_read_int(ref_bs, 8*nal_unit_size_field);
offset += ref_nalu_size + nal_unit_size_field;
if ((offset > data_offset) || (offset >= gf_bs_get_size(ref_bs))) {
e = GF_BAD_PARAM;
goto exit;
}
e = gf_bs_seek(ref_bs, offset);
if (e)
goto exit;
continue;
}
ref_nalu_size = gf_bs_read_int(ref_bs, 8*nal_unit_size_field);
copy_size = data_length ? data_length : ref_nalu_size;
assert(copy_size <= ref_nalu_size);
nal_hdr = gf_bs_read_u8(ref_bs); //rewrite NAL type
if ((copy_size-1)>max_size) {
buffer = (char*)gf_realloc(buffer, sizeof(char)*(copy_size-1));
max_size = copy_size-1;
}
gf_bs_read_data(ref_bs, buffer, copy_size-1);
if (rewrite_start_codes)
gf_bs_write_u32(dst_bs, 1);
else
gf_bs_write_int(dst_bs, copy_size, 8*nal_unit_size_field);
gf_bs_write_u8(dst_bs, nal_hdr);
gf_bs_write_data(dst_bs, buffer, copy_size-1);
}
gf_isom_sample_del(&ref_samp);
ref_samp = NULL;
gf_bs_del(ref_bs);
ref_bs = NULL;
gf_isom_set_nalu_extract_mode(file, ref_track_num, cur_extract_mode);
break;
default:
//skip to end of this NALU
gf_bs_skip_bytes(src_bs, nal_size-1);
continue;
}
} else {
gf_bs_read_data(src_bs, buffer, nal_size-1);
if (rewrite_start_codes)
gf_bs_write_u32(dst_bs, 1);
else
gf_bs_write_int(dst_bs, nal_size, 8*nal_unit_size_field);
gf_bs_write_u8(dst_bs, nal_hdr);
gf_bs_write_data(dst_bs, buffer, nal_size-1);
}
}
static char *xml_translate_xml_string(char *str)
{
char *value;
u32 size, i, j;
if (!str || !strlen(str)) return NULL;
value = (char *)gf_malloc(sizeof(char) * 500);
size = 500;
i = j = 0;
while (str[i]) {
if (j+20 >= size) {
size += 500;
value = (char *)gf_realloc(value, sizeof(char)*size);
}
if (str[i] == '&') {
if (str[i+1]=='#') {
char szChar[20], *end;
u16 wchar[2];
u32 val;
const unsigned short *srcp;
strncpy(szChar, str+i, 10);
end = strchr(szChar, ';');
if (!end) break;
end[1] = 0;
i+=strlen(szChar);
wchar[1] = 0;
if (szChar[2]=='x')
sscanf(szChar, "&#x%x;", &val);
else
sscanf(szChar, "&#%u;", &val);
wchar[0] = val;
srcp = wchar;
j += gf_utf8_wcstombs(&value[j], 20, &srcp);
}
else if (!strnicmp(&str[i], "&", sizeof(char)*5)) {
value[j] = '&';
j++;
i+= 5;
}
else if (!strnicmp(&str[i], "<", sizeof(char)*4)) {
value[j] = '<';
j++;
i+= 4;
}
else if (!strnicmp(&str[i], ">", sizeof(char)*4)) {
value[j] = '>';
j++;
i+= 4;
}
else if (!strnicmp(&str[i], "'", sizeof(char)*6)) {
value[j] = '\'';
j++;
i+= 6;
}
else if (!strnicmp(&str[i], """, sizeof(char)*6)) {
value[j] = '\"';
j++;
i+= 6;
} else {
value[j] = str[i];
j++; i++;
}
} else {
value[j] = str[i];
j++; i++;
}
}
value[j] = 0;
return value;
}
