TSストリームの変更への自動追従に失敗する事があるのを修正

BonDriver共有ツール総合
http://peace.2ch.net/test/read.cgi/avi/1366339738/822
This commit is contained in:
unknown 2020-10-05 23:18:29 +09:00
parent a9657eba64
commit 2470f5464d

View File

@ -512,7 +512,7 @@ static int reset_arib_std_b25(void *std_b25)
static int flush_arib_std_b25(void *std_b25)
{
int r;
int r,l;
int m,n;
int32_t crypt;
@ -539,6 +539,9 @@ static int flush_arib_std_b25(void *std_b25)
if(r < 0){
return r;
}
if(prv->unit_size < 188){
return ARIB_STD_B25_ERROR_NON_TS_INPUT_STREAM;
}
}
r = proc_arib_std_b25(prv);
@ -565,6 +568,12 @@ static int flush_arib_std_b25(void *std_b25)
if(p == NULL){
goto LAST;
}
if((p-curr) >= (unit-188)){
if(!append_work_buffer(&(prv->dbuf), p-(unit-188), unit-188)){
r = ARIB_STD_B25_ERROR_NO_ENOUGH_MEMORY;
goto LAST;
}
}
curr = p;
}
@ -574,7 +583,12 @@ static int flush_arib_std_b25(void *std_b25)
if(hdr.transport_error_indicator != 0){
/* bit error - append output buffer without parsing */
if(!append_work_buffer(&(prv->dbuf), curr, 188)){
if((curr+unit) <= tail){
l = unit;
}else{
l = 188;
}
if(!append_work_buffer(&(prv->dbuf), curr, l)){
r = ARIB_STD_B25_ERROR_NO_ENOUGH_MEMORY;
goto LAST;
}
@ -588,12 +602,14 @@ static int flush_arib_std_b25(void *std_b25)
p = curr+4;
if(hdr.adaptation_field_control & 0x02){
p += (p[0]+1);
}
n = 188 - (p-curr);
if( (n < 1) && ((n < 0) || (hdr.adaptation_field_control & 0x01)) ){
/* broken packet */
curr += 1;
continue;
n = 188 - (p-curr);
if( (n < 1) && ((n < 0) || (hdr.adaptation_field_control & 0x01)) ){
/* broken packet */
curr += 1;
continue;
}
}else{
n = 188 - 4;
}
if( (crypt != 0) &&
@ -612,6 +628,7 @@ static int flush_arib_std_b25(void *std_b25)
m = dec->m2->decrypt(dec->m2, crypt, p, n);
if(m < 0){
r = ARIB_STD_B25_ERROR_DECRYPT_FAILURE;
curr += unit;
goto LAST;
}
curr[3] &= 0x3f;
@ -623,7 +640,12 @@ static int flush_arib_std_b25(void *std_b25)
prv->map[pid].normal_packet += 1;
}
if(!append_work_buffer(&(prv->dbuf), curr, 188)){
if((curr+unit) <= tail){
l = unit;
}else{
l = 188;
}
if(!append_work_buffer(&(prv->dbuf), curr, l)){
r = ARIB_STD_B25_ERROR_NO_ENOUGH_MEMORY;
goto LAST;
}
@ -633,16 +655,19 @@ static int flush_arib_std_b25(void *std_b25)
if( (dec == NULL) || (dec->ecm == NULL) ){
/* this code will never execute */
r = ARIB_STD_B25_ERROR_ECM_PARSE_FAILURE;
curr += unit;
goto LAST;
}
m = dec->ecm->put(dec->ecm, &hdr, p, n);
if(m < 0){
r = ARIB_STD_B25_ERROR_ECM_PARSE_FAILURE;
curr += unit;
goto LAST;
}
m = dec->ecm->get_count(dec->ecm);
if(m < 0){
r = ARIB_STD_B25_ERROR_ECM_PARSE_FAILURE;
curr += unit;
goto LAST;
}
if(m == 0){
@ -650,6 +675,7 @@ static int flush_arib_std_b25(void *std_b25)
}
r = proc_ecm(dec, prv->bcas, prv->multi2_round);
if(r < 0){
curr += unit;
goto LAST;
}
}else if(prv->map[pid].type == PID_MAP_TYPE_PMT){
@ -657,16 +683,19 @@ static int flush_arib_std_b25(void *std_b25)
if( (pgrm == NULL) || (pgrm->pmt == NULL) ){
/* this code will never execute */
r = ARIB_STD_B25_ERROR_PMT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
m = pgrm->pmt->put(pgrm->pmt, &hdr, p, n);
if(m < 0){
r = ARIB_STD_B25_ERROR_PMT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
m = pgrm->pmt->get_count(pgrm->pmt);
if(m < 0){
r = ARIB_STD_B25_ERROR_PMT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
if(m == 0){
@ -674,6 +703,7 @@ static int flush_arib_std_b25(void *std_b25)
}
r = proc_pmt(prv, pgrm);
if(r < 0){
curr += unit;
goto LAST;
}
}else if(prv->map[pid].type == PID_MAP_TYPE_EMM){
@ -683,18 +713,20 @@ static int flush_arib_std_b25(void *std_b25)
if( prv->emm == NULL ){
prv->emm = create_ts_section_parser();
if(prv->emm == NULL){
r = ARIB_STD_B25_ERROR_EMM_PARSE_FAILURE;
r = ARIB_STD_B25_ERROR_NO_ENOUGH_MEMORY;
goto LAST;
}
}
m = prv->emm->put(prv->emm, &hdr, p, n);
if(m < 0){
r = ARIB_STD_B25_ERROR_EMM_PARSE_FAILURE;
curr += unit;
goto LAST;
}
m = prv->emm->get_count(prv->emm);
if(m < 0){
r = ARIB_STD_B25_ERROR_EMM_PARSE_FAILURE;
curr += unit;
goto LAST;
}
if(m == 0){
@ -702,6 +734,7 @@ static int flush_arib_std_b25(void *std_b25)
}
r = proc_emm(prv);
if(r < 0){
curr += unit;
goto LAST;
}
}else if(pid == 0x0001){
@ -715,11 +748,13 @@ static int flush_arib_std_b25(void *std_b25)
m = prv->cat->put(prv->cat, &hdr, p, n);
if(m < 0){
r = ARIB_STD_B25_ERROR_CAT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
m = prv->cat->get_count(prv->cat);
if(m < 0){
r = ARIB_STD_B25_ERROR_CAT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
if(m == 0){
@ -727,6 +762,7 @@ static int flush_arib_std_b25(void *std_b25)
}
r = proc_cat(prv);
if(r < 0){
curr += unit;
goto LAST;
}
}else if(pid == 0x0000){
@ -740,11 +776,13 @@ static int flush_arib_std_b25(void *std_b25)
m = prv->pat->put(prv->pat, &hdr, p, n);
if(m < 0){
r = ARIB_STD_B25_ERROR_PAT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
m = prv->pat->get_count(prv->pat);
if(m < 0){
r = ARIB_STD_B25_ERROR_PAT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
if(m == 0){
@ -752,6 +790,7 @@ static int flush_arib_std_b25(void *std_b25)
}
r = proc_pat(prv);
if(r < 0){
curr += unit;
goto LAST;
}
}
@ -762,11 +801,13 @@ static int flush_arib_std_b25(void *std_b25)
LAST:
m = curr - prv->sbuf.head;
m = curr - prv->sbuf.pool;
n = tail - curr;
if( (n < 1024) || (m > (prv->sbuf.max/2) ) ){
p = prv->sbuf.pool;
memcpy(p, curr, n);
if(n > 0){
memcpy(p, curr, n);
}
prv->sbuf.head = p;
prv->sbuf.tail = p+n;
}else{
@ -1011,7 +1052,15 @@ static int select_unit_size(ARIB_STD_B25_PRIVATE_DATA *prv)
head = prv->sbuf.head;
tail = prv->sbuf.tail;
if((tail-head) < (188*16)){
// need more data
return 0;
}
if((tail-head) > (188*32)){
tail = head + (188*32);
}
buf = head;
memset(count, 0, sizeof(count));
@ -1086,10 +1135,12 @@ static int find_pat(ARIB_STD_B25_PRIVATE_DATA *prv)
p = curr+4;
if(hdr.adaptation_field_control & 0x02){
p += (p[0]+1);
}
size = 188 - (p-curr);
if(size < 1){
goto NEXT;
size = 188 - (p-curr);
if(size < 1){
goto NEXT;
}
}else{
size = 188 - 4;
}
if(prv->pat == NULL){
@ -1278,6 +1329,45 @@ static int find_pmt(ARIB_STD_B25_PRIVATE_DATA *prv)
extract_ts_header(&hdr, curr);
if(hdr.pid == 0x0000){
p = curr+4;
if(hdr.adaptation_field_control & 0x02){
p += (p[0]+1);
size = 188 - (p-curr);
if(size < 1){
goto NEXT;
}
}else{
size = 188 - 4;
}
if(prv->pat == NULL){
prv->pat = create_ts_section_parser();
if(prv->pat == NULL){
r = ARIB_STD_B25_ERROR_NO_ENOUGH_MEMORY;
goto LAST;
}
}
n = prv->pat->put(prv->pat, &hdr, p, size);
if(n < 0){
r = ARIB_STD_B25_ERROR_PAT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
n = prv->pat->get_count(prv->pat);
if(n < 0){
r = ARIB_STD_B25_ERROR_PAT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
if(n == 0){
goto NEXT;
}
r = proc_pat(prv);
prv->sbuf.head = curr;
curr += unit;
goto LAST;
}
if(prv->map[hdr.pid].type != PID_MAP_TYPE_PMT){
goto NEXT;
}
@ -1291,10 +1381,12 @@ static int find_pmt(ARIB_STD_B25_PRIVATE_DATA *prv)
p = curr + 4;
if(hdr.adaptation_field_control & 0x02){
p += (p[0]+1);
}
size = 188 - (p-curr);
if(size < 1){
goto NEXT;
size = 188 - (p-curr);
if(size < 1){
goto NEXT;
}
}else{
size = 188 - 4;
}
if(pgrm->pmt == NULL){
@ -1610,6 +1702,46 @@ static int find_ecm(ARIB_STD_B25_PRIVATE_DATA *prv)
curr = p;
}
extract_ts_header(&hdr, curr);
if(hdr.pid == 0x0000){
p = curr+4;
if(hdr.adaptation_field_control & 0x02){
p += (p[0]+1);
size = 188 - (p-curr);
if(size < 1){
goto NEXT;
}
}else{
size = 188 - 4;
}
if(prv->pat == NULL){
prv->pat = create_ts_section_parser();
if(prv->pat == NULL){
r = ARIB_STD_B25_ERROR_NO_ENOUGH_MEMORY;
goto LAST;
}
}
n = prv->pat->put(prv->pat, &hdr, p, size);
if(n < 0){
r = ARIB_STD_B25_ERROR_PAT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
n = prv->pat->get_count(prv->pat);
if(n < 0){
r = ARIB_STD_B25_ERROR_PAT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
if(n == 0){
goto NEXT;
}
r = proc_pat(prv);
prv->sbuf.head = curr;
curr += unit;
goto LAST;
}
if(prv->map[hdr.pid].type != PID_MAP_TYPE_ECM){
goto NEXT;
}
@ -1623,10 +1755,12 @@ static int find_ecm(ARIB_STD_B25_PRIVATE_DATA *prv)
p = curr + 4;
if(hdr.adaptation_field_control & 0x02){
p += (p[0]+1);
}
size = 188 - (p-curr);
if(size < 1){
goto NEXT;
size = 188 - (p-curr);
if(size < 1){
goto NEXT;
}
}else{
size = 188 - 4;
}
if(dec->ecm == NULL){
@ -1866,6 +2000,12 @@ static int proc_arib_std_b25(ARIB_STD_B25_PRIVATE_DATA *prv)
if(p == NULL){
goto LAST;
}
if((p-curr) >= (unit-188)){
if(!append_work_buffer(&(prv->dbuf), p-(unit-188), unit-188)){
r = ARIB_STD_B25_ERROR_NO_ENOUGH_MEMORY;
goto LAST;
}
}
curr = p;
}
@ -1875,7 +2015,7 @@ static int proc_arib_std_b25(ARIB_STD_B25_PRIVATE_DATA *prv)
if(hdr.transport_error_indicator != 0){
/* bit error - append output buffer without parsing */
if(!append_work_buffer(&(prv->dbuf), curr, 188)){
if(!append_work_buffer(&(prv->dbuf), curr, unit)){
r = ARIB_STD_B25_ERROR_NO_ENOUGH_MEMORY;
goto LAST;
}
@ -1890,12 +2030,14 @@ static int proc_arib_std_b25(ARIB_STD_B25_PRIVATE_DATA *prv)
p = curr+4;
if(hdr.adaptation_field_control & 0x02){
p += (p[0]+1);
}
n = 188 - (p-curr);
if( (n < 1) && ((n < 0) || (hdr.adaptation_field_control & 0x01)) ){
/* broken packet */
curr += 1;
continue;
n = 188 - (p-curr);
if( (n < 1) && ((n < 0) || (hdr.adaptation_field_control & 0x01)) ){
/* broken packet */
curr += 1;
continue;
}
}else{
n = 188 - 4;
}
if( (crypt != 0) &&
@ -1914,6 +2056,7 @@ static int proc_arib_std_b25(ARIB_STD_B25_PRIVATE_DATA *prv)
m = dec->m2->decrypt(dec->m2, crypt, p, n);
if(m < 0){
r = ARIB_STD_B25_ERROR_DECRYPT_FAILURE;
curr += unit;
goto LAST;
}
curr[3] &= 0x3f;
@ -1929,7 +2072,7 @@ static int proc_arib_std_b25(ARIB_STD_B25_PRIVATE_DATA *prv)
dump_pts(curr, crypt);
}
#endif
if(!append_work_buffer(&(prv->dbuf), curr, 188)){
if(!append_work_buffer(&(prv->dbuf), curr, unit)){
r = ARIB_STD_B25_ERROR_NO_ENOUGH_MEMORY;
goto LAST;
}
@ -1939,16 +2082,19 @@ static int proc_arib_std_b25(ARIB_STD_B25_PRIVATE_DATA *prv)
if( (dec == NULL) || (dec->ecm == NULL) ){
/* this code will never execute */
r = ARIB_STD_B25_ERROR_ECM_PARSE_FAILURE;
curr += unit;
goto LAST;
}
m = dec->ecm->put(dec->ecm, &hdr, p, n);
if(m < 0){
r = ARIB_STD_B25_ERROR_ECM_PARSE_FAILURE;
curr += unit;
goto LAST;
}
m = dec->ecm->get_count(dec->ecm);
if(m < 0){
r = ARIB_STD_B25_ERROR_ECM_PARSE_FAILURE;
curr += unit;
goto LAST;
}
if(m == 0){
@ -1956,6 +2102,7 @@ static int proc_arib_std_b25(ARIB_STD_B25_PRIVATE_DATA *prv)
}
r = proc_ecm(dec, prv->bcas, prv->multi2_round);
if(r < 0){
curr += unit;
goto LAST;
}
}else if(prv->map[pid].type == PID_MAP_TYPE_PMT){
@ -1963,16 +2110,19 @@ static int proc_arib_std_b25(ARIB_STD_B25_PRIVATE_DATA *prv)
if( (pgrm == NULL) || (pgrm->pmt == NULL) ){
/* this code will never execute */
r = ARIB_STD_B25_ERROR_PMT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
m = pgrm->pmt->put(pgrm->pmt, &hdr, p, n);
if(m < 0){
r = ARIB_STD_B25_ERROR_PMT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
m = pgrm->pmt->get_count(pgrm->pmt);
if(m < 0){
r = ARIB_STD_B25_ERROR_PMT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
if(m == 0){
@ -1980,6 +2130,7 @@ static int proc_arib_std_b25(ARIB_STD_B25_PRIVATE_DATA *prv)
}
r = proc_pmt(prv, pgrm);
if(r < 0){
curr += unit;
goto LAST;
}
}else if(prv->map[pid].type == PID_MAP_TYPE_EMM){
@ -1989,18 +2140,20 @@ static int proc_arib_std_b25(ARIB_STD_B25_PRIVATE_DATA *prv)
if( prv->emm == NULL ){
prv->emm = create_ts_section_parser();
if(prv->emm == NULL){
r = ARIB_STD_B25_ERROR_EMM_PARSE_FAILURE;
r = ARIB_STD_B25_ERROR_NO_ENOUGH_MEMORY;
goto LAST;
}
}
m = prv->emm->put(prv->emm, &hdr, p, n);
if(m < 0){
r = ARIB_STD_B25_ERROR_EMM_PARSE_FAILURE;
curr += unit;
goto LAST;
}
m = prv->emm->get_count(prv->emm);
if(m < 0){
r = ARIB_STD_B25_ERROR_EMM_PARSE_FAILURE;
curr += unit;
goto LAST;
}
if(m == 0){
@ -2008,6 +2161,7 @@ static int proc_arib_std_b25(ARIB_STD_B25_PRIVATE_DATA *prv)
}
r = proc_emm(prv);
if(r < 0){
curr += unit;
goto LAST;
}
}else if(pid == 0x0001){
@ -2021,11 +2175,13 @@ static int proc_arib_std_b25(ARIB_STD_B25_PRIVATE_DATA *prv)
m = prv->cat->put(prv->cat, &hdr, p, n);
if(m < 0){
r = ARIB_STD_B25_ERROR_CAT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
m = prv->cat->get_count(prv->cat);
if(m < 0){
r = ARIB_STD_B25_ERROR_CAT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
if(m == 0){
@ -2033,6 +2189,7 @@ static int proc_arib_std_b25(ARIB_STD_B25_PRIVATE_DATA *prv)
}
r = proc_cat(prv);
if(r < 0){
curr += unit;
goto LAST;
}
}else if(pid == 0x0000){
@ -2046,17 +2203,20 @@ static int proc_arib_std_b25(ARIB_STD_B25_PRIVATE_DATA *prv)
m = prv->pat->put(prv->pat, &hdr, p, n);
if(m < 0){
r = ARIB_STD_B25_ERROR_PAT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
m = prv->pat->get_count(prv->pat);
if(m < 0){
r = ARIB_STD_B25_ERROR_PAT_PARSE_FAILURE;
curr += unit;
goto LAST;
}
if(m == 0){
goto NEXT;
}
r = proc_pat(prv);
curr += unit;
goto LAST;
}
@ -2065,11 +2225,13 @@ static int proc_arib_std_b25(ARIB_STD_B25_PRIVATE_DATA *prv)
}
LAST:
m = curr - prv->sbuf.head;
m = curr - prv->sbuf.pool;
n = tail - curr;
if( (n < 1024) || (m > (prv->sbuf.max/2) ) ){
p = prv->sbuf.pool;
memcpy(p, curr, n);
if(n > 0){
memcpy(p, curr, n);
}
prv->sbuf.head = p;
prv->sbuf.tail = p+n;
}else{
@ -2159,7 +2321,7 @@ static int proc_emm(ARIB_STD_B25_PRIVATE_DATA *prv)
n = prv->emm->get(prv->emm, &sect);
if(n < 0){
r = ARIB_STD_B25_ERROR_CAT_PARSE_FAILURE;
r = ARIB_STD_B25_ERROR_EMM_PARSE_FAILURE;
goto LAST;
}