各协议全面支持vp8/vp9/av1编码，ertmp新增支持opus编码 (#4498)

实现功能：
- rtp 增加vp8，vp9和av1编码支持
- 实现MP4录像所需的extra_data接口
- 扩展rtmp增加对opus、vp8、vp9和av1的支持

已知问题：
- 开启enhance rtmp后，ffmpeg暂时不支持播放vp8编码格式，其他格式的支持
- vp9和av1开始播放时容易遇到卡顿情况，过几秒后好了，原因暂时未知

---------

Co-authored-by: xia-chu <771730766@qq.com>

ext-codec/Opus.cpp

@@ -11,16 +11,32 @@
 #include "Opus.h"
 #include "Extension/Factory.h"
 #include "Extension/CommonRtp.h"
-#include "Extension/CommonRtmp.h"
-
+#include "OpusRtmp.h"
+#include "opus-head.h"
 using namespace std;
 using namespace toolkit;
 
 namespace mediakit {
 
+void OpusTrack::setExtraData(const uint8_t *data, size_t size) {
+    opus_head_t header;
+    if (opus_head_load(data, size, &header) > 0) {
+        // Successfully parsed Opus header
+        _sample_rate = header.input_sample_rate;
+        _channels = header.channels;
+    }
+}
 
-Sdp::Ptr OpusTrack::getSdp(uint8_t payload_type) const {
-    return std::make_shared<DefaultSdp>(payload_type, *this);
+Buffer::Ptr OpusTrack::getExtraData() const {
+    struct opus_head_t opus = { 0 };
+    opus.version = 1;
+    opus.channels = getAudioChannel();
+    opus.input_sample_rate = getAudioSampleRate();
+    // opus.pre_skip = 120;
+    opus.channel_mapping_family = 0;
+    auto ret = BufferRaw::create(29);
+    ret->setSize(opus_head_save(&opus, (uint8_t *)ret->data(), ret->getCapacity()));
+    return ret;
 }
 
 namespace {
@@ -46,11 +62,11 @@ RtpCodec::Ptr getRtpDecoderByCodecId() {
 }
 
 RtmpCodec::Ptr getRtmpEncoderByTrack(const Track::Ptr &track) {
-    return std::make_shared<CommonRtmpEncoder>(track);
+    return std::make_shared<OpusRtmpEncoder>(track);
 }
 
 RtmpCodec::Ptr getRtmpDecoderByTrack(const Track::Ptr &track) {
-    return std::make_shared<CommonRtmpDecoder>(track);
+    return std::make_shared<OpusRtmpDecoder>(track);
 }
 
 Frame::Ptr getFrameFromPtr(const char *data, size_t bytes, uint64_t dts, uint64_t pts) {