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author | Steven Liu <lq@chinaffmpeg.org> | 2023-08-28 09:59:24 +0800 |
---|---|---|
committer | Steven Liu <liuqi05@kuaishou.com> | 2023-09-05 09:14:18 +0800 |
commit | 637c761be1bf9c3e1f0f347c5c3a390d7c32b282 (patch) | |
tree | 87bbbb5ddcaecd9b6493281ee6917f79c9637748 /libavformat | |
parent | c946e8d92153515e045f82c2ca722c73b419eeef (diff) | |
download | ffmpeg-637c761be1bf9c3e1f0f347c5c3a390d7c32b282.tar.gz |
avformat/rtmpproto: support enhanced rtmp
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 <lq@chinaffmpeg.org>
Diffstat (limited to 'libavformat')
-rw-r--r-- | libavformat/rtmpproto.c | 34 |
1 files changed, 34 insertions, 0 deletions
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"}, |