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avformat/libsrt: add tsbpd option

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Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Zhao Zhili 2021-06-04 15:22:28 +08:00 committed by Marton Balint
parent 9099046cc7
commit 55c54ff744
2 changed files with 9 additions and 1 deletions
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5
doc/protocols.texi
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@ -1607,6 +1607,11 @@ Default is -1. -1 means auto (off with 0 seconds in live mode, on with 180
seconds in file mode). The range for this option is integers in the
0 - @code{INT_MAX}.
@item tsbpd=@var{1|0}
When true, use Timestamp-based Packet Delivery mode. The default behavior
depends on the transmission type: enabled in live mode, disabled in file
mode.
@end table
For more information see: @url{https://github.com/Haivision/srt}.

5
libavformat/libsrt.c
View File

@ -90,6 +90,7 @@ typedef struct SRTContext {
int messageapi;
SRT_TRANSTYPE transtype;
int linger;
int tsbpd;
} SRTContext;
#define D AV_OPT_FLAG_DECODING_PARAM
@ -140,6 +141,7 @@ static const AVOption libsrt_options[] = {
{ "live", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = SRTT_LIVE }, INT_MIN, INT_MAX, .flags = D|E, "transtype" },
{ "file", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = SRTT_FILE }, INT_MIN, INT_MAX, .flags = D|E, "transtype" },
{ "linger", "Number of seconds that the socket waits for unsent data when closing", OFFSET(linger), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, .flags = D|E },
{ "tsbpd", "Timestamp-based packet delivery", OFFSET(tsbpd), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, .flags = D|E },
{ NULL }
};
@ -349,7 +351,8 @@ static int libsrt_set_options_pre(URLContext *h, int fd)
#endif
(s->messageapi >= 0 && libsrt_setsockopt(h, fd, SRTO_MESSAGEAPI, "SRTO_MESSAGEAPI", &s->messageapi, sizeof(s->messageapi)) < 0) ||
(s->payload_size >= 0 && libsrt_setsockopt(h, fd, SRTO_PAYLOADSIZE, "SRTO_PAYLOADSIZE", &s->payload_size, sizeof(s->payload_size)) < 0) ||
((h->flags & AVIO_FLAG_WRITE) && libsrt_setsockopt(h, fd, SRTO_SENDER, "SRTO_SENDER", &yes, sizeof(yes)) < 0)) {
((h->flags & AVIO_FLAG_WRITE) && libsrt_setsockopt(h, fd, SRTO_SENDER, "SRTO_SENDER", &yes, sizeof(yes)) < 0) ||
(s->tsbpd >= 0 && libsrt_setsockopt(h, fd, SRTO_TSBPDMODE, "SRTO_TSBPDMODE", &s->tsbpd, sizeof(s->tsbpd)) < 0)) {
return AVERROR(EIO);
}