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const-ify buffer passed to psi_parse_pmt()

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This commit is contained in:
Andreas Öman 2009-08-15 08:18:20 +00:00
parent 846b3b5ba1
commit 1f334056b8
2 changed files with 5 additions and 4 deletions
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7
src/psi.c
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@ -191,7 +191,8 @@ psi_build_pat(th_transport_t *t, uint8_t *buf, int maxlen, int pmtpid)
* Parser for CA descriptor, viaccess
*/
static int
psi_desc_ca_viaccess(th_transport_t *t, th_stream_t *st, uint8_t *ptr, int len)
psi_desc_ca_viaccess(th_transport_t *t, th_stream_t *st,
const uint8_t *ptr, int len)
{
uint8_t tag, tlen;
uint32_t id;
@ -227,7 +228,7 @@ psi_desc_ca_viaccess(th_transport_t *t, th_stream_t *st, uint8_t *ptr, int len)
* Parser for CA descriptor
*/
static int
psi_desc_ca(th_transport_t *t, uint8_t *ptr, int len)
psi_desc_ca(th_transport_t *t, const uint8_t *ptr, int len)
{
uint16_t pid = (ptr[2] & 0x1f) << 8 | ptr[3];
th_stream_t *st;
@ -262,7 +263,7 @@ psi_desc_ca(th_transport_t *t, uint8_t *ptr, int len)
* PMT parser, from ISO 13818-1 and ETSI EN 300 468
*/
int
psi_parse_pmt(th_transport_t *t, uint8_t *ptr, int len, int chksvcid,
psi_parse_pmt(th_transport_t *t, const uint8_t *ptr, int len, int chksvcid,
int delete)
{
uint16_t pcr_pid, pid;

2
src/psi.h
View file

@ -35,7 +35,7 @@ int psi_section_reassemble(psi_section_t *ps, uint8_t *data, int len,
int psi_parse_pat(th_transport_t *t, uint8_t *ptr, int len,
pid_section_callback_t *pmt_callback);
int psi_parse_pmt(th_transport_t *t, uint8_t *ptr, int len, int chksvcid,
int psi_parse_pmt(th_transport_t *t, const uint8_t *ptr, int len, int chksvcid,
int delete);
uint32_t psi_crc32(uint8_t *data, size_t datalen);