[feat] support getting codec name

src/media/audio/decode/audio_decoder.h

@@ -25,9 +25,12 @@ class AudioDecoder {
 
  public:
   int Init();
+
   int Decode(const uint8_t *data, int size,
              std::function<void(uint8_t *, int)> on_receive_decoded_frame);
 
+  std::string GetDecoderName() { return "Opus"; }
+
  private:
   /* data */
   OpusDecoder *opus_decoder_ = nullptr;

src/media/audio/encode/audio_encoder.h

@@ -22,11 +22,15 @@ class AudioEncoder {
 
  public:
   int Init();
+
   int Encode(const uint8_t* data, int size,
              std::function<int(char* encoded_audio_buffer, size_t size)>
                  on_encoded_audio_buffer);
+
   int OnEncodedAudioBuffer(char* encoded_audio_buffer, size_t size);
 
+  std::string GetEncoderName() { return "Opus"; }
+
  private:
   OpusEncoder* opus_encoder_ = nullptr;
   int sample_rate_ = 48000;

src/media/video/decode/dav1d/dav1d_av1_decoder.h

@@ -19,9 +19,12 @@ class Dav1dAv1Decoder : public VideoDecoder {
 
  public:
   int Init();
+
   int Decode(const uint8_t *data, int size,
              std::function<void(VideoFrame)> on_receive_decoded_frame);
 
+  std::string GetDecoderName() { return "Dav1dAv1"; }
+
  private:
   VideoFrame *nv12_frame_ = 0;
   int nv12_frame_capacity_ = 0;

src/media/video/decode/nvcodec/nvidia_video_decoder.h

@@ -13,9 +13,12 @@ class NvidiaVideoDecoder : public VideoDecoder {
 
  public:
   int Init();
+
   int Decode(const uint8_t* data, int size,
              std::function<void(VideoFrame)> on_receive_decoded_frame);
 
+  std::string GetDecoderName() { return "NvidiaH264"; }
+
  private:
   NvDecoder* decoder = nullptr;
   bool get_first_keyframe_ = false;

src/media/video/decode/openh264/openh264_decoder.h

@@ -23,9 +23,12 @@ class OpenH264Decoder : public VideoDecoder {
 
  public:
   int Init();
+
   int Decode(const uint8_t* data, int size,
              std::function<void(VideoFrame)> on_receive_decoded_frame);
 
+  std::string GetDecoderName() { return "OpenH264"; }
+
  private:
   ISVCDecoder* openh264_decoder_ = nullptr;
   bool get_first_keyframe_ = false;

src/media/video/decode/video_decoder.h

@@ -11,15 +11,20 @@
 #include <cstdint>
 #include <cstdio>
 #include <functional>
+#include <string>
 
 #include "video_frame.h"
 
 class VideoDecoder {
  public:
   virtual int Init() = 0;
+
   virtual int Decode(
       const uint8_t *data, int size,
       std::function<void(VideoFrame)> on_receive_decoded_frame) = 0;
+
+  virtual std::string GetDecoderName() = 0;
+
   VideoDecoder() = default;
   virtual ~VideoDecoder() {}
 };

src/media/video/encode/aom/aom_av1_encoder.h

@@ -52,6 +52,8 @@ class AomAv1Encoder : public VideoEncoder {
 
   int ForceIdr();
 
+  std::string GetEncoderName() { return "AomAV1"; }
+
  private:
   template <typename P>
   bool SetEncoderControlParameters(int param_id, P param_value);

src/media/video/encode/nvcodec/nvidia_video_encoder.h

@@ -28,6 +28,8 @@ class NvidiaVideoEncoder : public VideoEncoder {
 
   int ForceIdr();
 
+  std::string GetEncoderName() { return "NvidiaH264"; }
+
  private:
   int ResetEncodeResolution(unsigned int width, unsigned int height);
 

src/media/video/encode/openh264/openh264_encoder.h

@@ -39,6 +39,8 @@ class OpenH264Encoder : public VideoEncoder {
 
   int ForceIdr();
 
+  std::string GetEncoderName() { return "OpenH264"; }
+
  private:
   int InitEncoderParams(int width, int height);
   int ResetEncodeResolution(unsigned int width, unsigned int height);

src/media/video/encode/video_encoder.h

@@ -5,6 +5,7 @@
 #include <cstdint>
 #include <cstdio>
 #include <functional>
+#include <string>
 
 #include "x.h"
 
@@ -18,6 +19,7 @@ class VideoEncoder {
 
  public:
   virtual int Init() = 0;
+
   virtual int Encode(const uint8_t* pData, int nSize,
                      std::function<int(char* encoded_packets, size_t size,
                                        VideoFrameType frame_type)>
@@ -29,8 +31,11 @@ class VideoEncoder {
                          on_encoded_image) = 0;
 
   virtual int OnEncodedImage(char* encoded_packets, size_t size) = 0;
+
   virtual int ForceIdr() = 0;
 
+  virtual std::string GetEncoderName() = 0;
+
   VideoEncoder() = default;
   virtual ~VideoEncoder() {}
 };