As the enhanced rtmp Extending NetConnection connect Command section
said, the rtmp should add a property named fourCcLive, but there should
only one codec can be set for the video stream in rtmp+flv, so user can
use the option rtmp_enhanced_flags to set the enhanced rtmp with av1,
hevc or vp9.
Signed-off-by: Steven Liu <l...@chinaffmpeg.org>
---
doc/protocols.texi | 17 +++++++++++++++++
libavformat/rtmpproto.c | 22 ++++++++++++++++++++++
2 files changed, 39 insertions(+)
diff --git a/doc/protocols.texi b/doc/protocols.texi
index b3fad55591..b5ab023066 100644
--- a/doc/protocols.texi
+++ b/doc/protocols.texi
@@ -896,6 +896,23 @@ be named, by prefixing the type with 'N' and specifying
the name before
the value (i.e. @code{NB:myFlag:1}). This option may be used multiple
times to construct arbitrary AMF sequences.
+@item rtmp_enhanced_flags @var{flags}
+Specify that the media is an enhanced rtmp live stream. This option have
+three flags, set one of them into fourCcLive property into Connect Command
Message,
+The default is @{none}.
+
+@table @samp
+@item av1
+If the rtmp_enhanced_flags set av1, the video stream in enhanced rtmp is av1.
+
+@item hevc
+If the rtmp_enhanced_flags set hevc, the video stream in enhanced rtmp is hevc.
+
+@item vp9
+If the rtmp_enhanced_flags set vp9, the video stream in enhanced rtmp is vp9.
+
+@end table
+
@item rtmp_flashver
Version of the Flash plugin used to run the SWF player. The default
is LNX 9,0,124,2. (When publishing, the default is FMLE/3.0 (compatible;
diff --git a/libavformat/rtmpproto.c b/libavformat/rtmpproto.c
index f0ef223f05..9dcc4bdc3a 100644
--- a/libavformat/rtmpproto.c
+++ b/libavformat/rtmpproto.c
@@ -69,6 +69,13 @@ typedef enum {
STATE_STOPPED, ///< the broadcast has been stopped
} ClientState;
+typedef enum {
+ ENHANCED_NONE,
+ ENHANCED_AV1,
+ ENHANCED_HEVC,
+ ENHANCED_VP9,
+} EnhancedFlags;
+
typedef struct TrackedMethod {
char *name;
int id;
@@ -123,6 +130,7 @@ typedef struct RTMPContext {
int nb_tracked_methods; ///< number of tracked methods
int tracked_methods_size; ///< size of the tracked methods
buffer
int listen; ///< listen mode flag
+ int enhanced_flags; ///< 0: none, 1: av1, 2: hevc,
3: vp9
int listen_timeout; ///< listen timeout to wait for
new connections
int nb_streamid; ///< The next stream id to
return on createStream calls
double duration; ///< Duration of the stream in
seconds as returned by the server (only valid if non-zero)
@@ -336,6 +344,16 @@ static int gen_connect(URLContext *s, RTMPContext *rt)
ff_amf_write_field_name(&p, "app");
ff_amf_write_string2(&p, rt->app, rt->auth_params);
+ if (rt->enhanced_flags > 0)
+ ff_amf_write_field_name(&p, "fourCcList");
+
+ if (rt->enhanced_flags == ENHANCED_AV1)
+ ff_amf_write_string(&p, "av01");
+ else if (rt->enhanced_flags == ENHANCED_HEVC)
+ ff_amf_write_string(&p, "hevc");
+ else if (rt->enhanced_flags == ENHANCED_VP9)
+ ff_amf_write_string(&p, "vp9");
+
if (!rt->is_input) {
ff_amf_write_field_name(&p, "type");
ff_amf_write_string(&p, "nonprivate");
@@ -3104,6 +3122,10 @@ static const AVOption rtmp_options[] = {
{"rtmp_conn", "Append arbitrary AMF data to the Connect message",
OFFSET(conn), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
{"rtmp_flashver", "Version of the Flash plugin used to run the SWF
player.", OFFSET(flashver), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, DEC|ENC},
{"rtmp_flush_interval", "Number of packets flushed in the same request
(RTMPT only).", OFFSET(flush_interval), AV_OPT_TYPE_INT, {.i64 = 10}, 0,
INT_MAX, ENC},
+ {"rtmp_enhanced_flags", "Specify that the media is an enhanced rtmp live
stream", OFFSET(enhanced_flags), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 3, ENC,
"rtmp_enhanced_flags"},
+ {"av1", "enhanced rtmp with av1 codec", 0, AV_OPT_TYPE_CONST, {.i64 = 1},
0, 0, ENC, "rtmp_enhanced_flags"},
+ {"hevc", "enhanced rtmp with hevc codec", 0, AV_OPT_TYPE_CONST, {.i64 =
2}, 0, 0, ENC, "rtmp_enhanced_flags"},
+ {"vp9", "enhanced rtmp with vp9 codec", 0, AV_OPT_TYPE_CONST, {.i64 = 3},
0, 0, ENC, "rtmp_enhanced_flags"},
{"rtmp_live", "Specify that the media is a live stream.", OFFSET(live),
AV_OPT_TYPE_INT, {.i64 = -2}, INT_MIN, INT_MAX, DEC, "rtmp_live"},
{"any", "both", 0, AV_OPT_TYPE_CONST, {.i64 = -2}, 0, 0, DEC, "rtmp_live"},
{"live", "live stream", 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, DEC,
"rtmp_live"},
--
2.39.2 (Apple Git-143)
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