[FFmpeg-devel] [PATCH v2 2/2] avformat/libsrt: add tsbpd option

[Zhao Zhili]

From: Zhao Zhili <zhiliz...@tencent.com>

---
v2: update doc

 doc/protocols.texi   | 5 +++++
 libavformat/libsrt.c | 5 ++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/doc/protocols.texi b/doc/protocols.texi
index 8b21ce046e..d3095c88c6 100644
--- a/doc/protocols.texi
+++ b/doc/protocols.texi
@@ -1610,6 +1610,11 @@ 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}.
diff --git a/libavformat/libsrt.c b/libavformat/libsrt.c
index 5298725ad5..d02b7a95ec 100644
--- a/libavformat/libsrt.c
+++ b/libavformat/libsrt.c
@@ -90,6 +90,7 @@ typedef struct SRTContext {
     int messageapi;
     SRT_TRANSTYPE transtype;
     int linger;
+    int tsbpd;
 } SRTContext;
 
 #define D AV_OPT_FLAG_DECODING_PARAM
@@ -141,6 +142,7 @@ 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 }
 };
 
@@ -356,7 +358,8 @@ 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);
     }
 
-- 
2.31.1

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