int dummy_stop(tmedia_t* self)
{
dummy_t *dummy = DUMMY(self);
TSK_DEBUG_INFO("dummy_stop");
return 0;
}
int dummy_pause(tmedia_t* self)
{
dummy_t *dummy = DUMMY(self);
TSK_DEBUG_INFO("dummy_pause");
return 0;
}
int
nf2_dummy_write(struct netfpga *nf, void *ctx, uint32_t reg, void *buf, size_t buf_len)
{
(void)nf;
ASSERT(ctx != NULL);
DUMMY("write request (reg %#x, to %p, length %d)", reg, buf, (int)buf_len);
return (buf_len);
}
int
nf2_dummy_close(struct netfpga *nf, void *ctx)
{
(void)nf;
ASSERT(ctx != NULL);
DUMMY();
free(ctx);
return (0);
}
const tsdp_header_M_t* dummy_get_local_offer(tmedia_t* self, va_list *app)
{
dummy_t *dummy = DUMMY(self);
const tsk_object_def_t* objdef;
tsdp_header_t* header;
TSK_DEBUG_INFO("dummy_get_local_offer");
while((objdef = va_arg(*app, const tsk_object_def_t*))){
header = tsk_object_new_2(objdef, app);
TSK_OBJECT_SAFE_FREE(header);
}
/*
* Placeholders for NetFPGA Linux handling code
*/
void *
nf2_dummy_open(struct netfpga *nf)
{
int *dummy;
(void)nf;
dummy = calloc(1, sizeof(*dummy));
ASSERT(dummy != NULL);
*dummy = 1;
DUMMY();
return (dummy);
}
void yyerror(void *dummy1, void *dummy2, const char *s) {
DUMMY(dummy1);
DUMMY(dummy2);
throw CompilerException(s);
}
bool tsPacket::getNextPSI(uint32_t pid,TS_PSIpacketInfo *psi)
{
int multiPacketPsi=0;
int nbRetries=0;
uint64_t startOffset=0;
TSpacketInfo pkt;
nextPack2:
if(nbRetries && pkt.startAt-startOffset>(1<<25)) // max. 32 MiB
{
ADM_warning("Giving up after %d retries, consumed %" PRId64" bytes\n",nbRetries,pkt.startAt-startOffset);
return false;
}
if(false==getNextPacket_NoHeader(pid,&pkt,true)) return false;
if(!nbRetries)
startOffset=pkt.startAt;
nbRetries++;
uint32_t tableId;
uint32_t sectionLength=0;
uint32_t transportStreamId=0;
uint32_t dummy;
getBits bits(pkt.payloadSize,pkt.payload);
DUMMY(tableId,8);
int section_syntax_indicator=bits.get(1);
#ifdef VERBOSE_PSI
if(!section_syntax_indicator)
ADM_warning("Syntax section indicator not set\n");
#endif
if(bits.get(1)) // Private bit
{
ADM_warning("Section syntax is set to private\n");
goto nextPack2;
}
bits.get(2); // 2 Reserved bits
sectionLength=bits.get(12); // Section Length
#if 1
if(sectionLength+3>pkt.payloadSize)
{
if(!multiPacketPsi)
ADM_warning("[MpegTs] Multi Packet PSI ? sectionLength=%d, len=%d\n",sectionLength,pkt.payloadSize);
multiPacketPsi++;
goto nextPack2;
}
if(multiPacketPsi>1)
ADM_warning("Multi packet PSI warning repeated %d times\n",multiPacketPsi);
multiPacketPsi=0;
#endif
transportStreamId=bits.get(16);// transportStreamId
#ifdef VERBOSE_PSI
printf("[MpegTs] Section length =%d\n",sectionLength);
printf("[MpegTs] transportStreamId =%d\n",transportStreamId);
#endif
bits.skip(2); // ignored
DUMMY(VersionNumber,5); // Version number
DUMMY(CurrentNext,1); // Current Next indicator
psi->count=bits.get(8); // Section number
psi->countMax=bits.get(8); // Section last number
#ifdef VERBOSE_PSI
printf("[MpegTs] Count=%d CountMax=%d\n",psi->count,psi->countMax);
#endif
if(psi->count!=psi->countMax) return false; // we dont handle split psi at the moment
uint8_t *c=pkt.payload+sectionLength-4+3;
// Verify CRC
uint32_t crc1=mpegTsCRC(pkt.payload,sectionLength-4+3);
uint32_t crc2=(c[0]<<24)+(c[1]<<16)+(c[2]<<8)+c[3];
if(crc1!=crc2)
{
printf("[MpegTs] getNextPSI bad checksum :%04x vs %04x\n",crc1,crc2);
goto nextPack2;
}
int hdr=(8+16+16+8+8+8)/8;
int payloadsize=sectionLength-4-5; // Remove checksum & header
if(payloadsize<4) goto nextPack2;
psi->payloadSize=payloadsize;
memcpy(psi->payload,pkt.payload+hdr,psi->payloadSize);
return true;
}
static int android_write(void* cookie, const char* buf, int size) {
DUMMY(cookie);
DUMMY(buf);
DUMMY(size);
return EACCES; // can't provide write access to the apk
}
bool tsPacket::getNextPSI(uint32_t pid,TS_PSIpacketInfo *psi)
{
TSpacketInfo pkt;
nextPack2:
if(false==getNextPacket_NoHeader(pid,&pkt,true)) return false;
uint32_t tableId;
uint32_t sectionLength=0;
uint32_t transportStreamId=0;
uint32_t dummy;
getBits bits(pkt.payloadSize,pkt.payload);
DUMMY(tableId,8);
int section_syntax_indicator=bits.get(1);
if(section_syntax_indicator)
ADM_warning("Section Syntax is set to private\n");
if(bits.get(1)) // Marker
{
printf("[MpegTs] getNextPSI Missing 0 marker\n");
goto nextPack2;
}
bits.get(2);
sectionLength=bits.get(12); // Section Length
#if 1
if(sectionLength+3>pkt.payloadSize)
{
ADM_warning("[MpegTs] Multi Packet PSI ? sectionLength=%d, len=%d\n",sectionLength,pkt.payloadSize);
goto nextPack2;
}
#endif
transportStreamId=bits.get(16);// transportStreamId
#ifdef VERBOSE_PSI
printf("[MpegTs] Section length =%d\n",sectionLength);
printf("[MpegTs] transportStreamId =%d\n",transportStreamId);
#endif
bits.skip(2); // ignored
DUMMY(VersionNumber,5); // Version number
DUMMY(CurrentNext,1); // Current Next indicator
psi->count=bits.get(8); // Section number
psi->countMax=bits.get(8); // Section last number
#ifdef VERBOSE_PSI
printf("[MpegTs] Count=%d CountMax=%d\n",psi->count,psi->countMax);
#endif
if(psi->count!=psi->countMax) return false; // we dont handle split psi at the moment
uint8_t *c=pkt.payload+sectionLength-4+3;
// Verify CRC
uint32_t crc1=mpegTsCRC(pkt.payload,sectionLength-4+3);
uint32_t crc2=(c[0]<<24)+(c[1]<<16)+(c[2]<<8)+c[3];
if(crc1!=crc2)
{
printf("[MpegTs] getNextPSI bad checksum :%04x vs %04x\n",crc1,crc2);
goto nextPack2;
}
int hdr=(8+16+16+8+8+8)/8;
int payloadsize=sectionLength-4-5; // Remove checksum & header
if(payloadsize<4) goto nextPack2;
psi->payloadSize=payloadsize;
memcpy(psi->payload,pkt.payload+hdr,psi->payloadSize);
return true;
}
