add option named rtmp_enhanced_codec,
it would support hvc1,av01,vp09 now,
the fourcc is using Array of strings.
Signed-off-by: Steven Liu <l...@chinaffmpeg.org>
---
doc/protocols.texi | 11 +++++++++++
libavformat/rtmpproto.c | 34 ++++++++++++++++++++++++++++++++++
2 files changed, 45 insertions(+)
diff --git a/doc/protocols.texi b/doc/protocols.texi
index b3fad55591..c7637c11c9 100644
--- a/doc/protocols.texi
+++ b/doc/protocols.texi
@@ -896,6 +896,17 @@ 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_codecs
+Specify the list of codecs the client advertises to support in an
+enhanced RTMP stream. This option should be set to a comma separated
+list of fourcc values, like @code{hvc1,av01,vp09} for multiple codecs
+or @code{hvc1} for only one codec. The specified list will be presented
+in the "fourCcLive" property of the Connect Command Message.
+
+This option should set a string like @code{hvc1,av01,vp09}
+for multiple codecs, or @code{hvc1} for only one codec,
+set codec fourcc into fourCcLive property into Connect Command Message,
+
@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..98718bc6da 100644
--- a/libavformat/rtmpproto.c
+++ b/libavformat/rtmpproto.c
@@ -127,6 +127,7 @@ typedef struct RTMPContext {
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)
int tcp_nodelay; ///< Use TCP_NODELAY to disable
Nagle's algorithm if set to 1
+ char *enhanced_codecs; ///< codec list in enhanced rtmp
char username[50];
char password[50];
char auth_params[500];
@@ -336,6 +337,38 @@ 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_codecs) {
+ uint32_t list_len = 0;
+ char *fourcc_data = rt->enhanced_codecs;
+ int fourcc_str_len = strlen(fourcc_data);
+
+ // check the string, fourcc + ',' + ... + end fourcc correct length
should be (4+1)*n+4
+ if ((fourcc_str_len + 1) % 5 != 0) {
+ av_log(s, AV_LOG_ERROR, "Malformed rtmp_enhanched_codecs, "
+ "should be of the form hvc1[,av01][,vp09][,...]\n");
+ return AVERROR(EINVAL);
+ }
+
+ list_len = (fourcc_str_len + 1) / 5;
+ ff_amf_write_field_name(&p, "fourCcList");
+ ff_amf_write_array_start(&p, list_len);
+
+ while(fourcc_data - rt->enhanced_codecs < fourcc_str_len) {
+ unsigned char fourcc[5];
+ if (!strncmp(fourcc_data, "hvc1", 4) ||
+ !strncmp(fourcc_data, "av01", 4) ||
+ !strncmp(fourcc_data, "vp09", 4)) {
+ av_strlcpy(fourcc, fourcc_data, sizeof(fourcc));
+ ff_amf_write_string(&p, fourcc);
+ } else {
+ av_log(s, AV_LOG_ERROR, "Unsupported codec fourcc,
%.*s\n", 4, fourcc_data);
+ return AVERROR_PATCHWELCOME;
+ }
+
+ fourcc_data += 5;
+ }
+ }
+
if (!rt->is_input) {
ff_amf_write_field_name(&p, "type");
ff_amf_write_string(&p, "nonprivate");
@@ -3104,6 +3137,7 @@ 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_codecs", "Specify the codec(s) to use in an enhanced rtmp live
stream", OFFSET(enhanced_codecs), AV_OPT_TYPE_STRING, {.str = NULL }, 0, 0, ENC},
{"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"},
--
2.40.0
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