custompipeline.hpp

#pragma once
 
#include <player-factory/common.hpp>
#include <player-factory/pipeline.hpp>
 
#include <array>
#include <cstddef>
#include <cstdint>
#include <cstring>
 
namespace mediapipeline {
 
struct PipelineGStreamerElements
{
  void* pipeline;
  void* videoSrc;
  uint32_t videoBufferSettings[4];
  void* audioSrc;
  uint32_t audioBufferSettings[4];
  void* videoQueue;
  void* videoDecoder;
  void* videoParse;
  void* videoSink;
  void* videoSinkQueue;
  void* audioQueue;
  void* audioDecoder;
  void* audioReformatter;
  void* audioParse;
  void* audioSink;
  void* audioSinkQueue;
  void* audioResampler;
  void* audioConverter;
};
 
class CustomPipeline : public Pipeline {
public:
  inline PipelineGStreamerElements* GetGStreamerElements(const std::array<uint32_t, 4>& target,
                                                         const int searchOffset = 2048)
  {
    const auto memory = reinterpret_cast<uint8_t*>(this);
 
    for (int i = 0; i < searchOffset; ++i)
    {
      if (std::memcmp(memory + i, target.data(), sizeof(uint32_t) * 4) == 0)
      {
        return reinterpret_cast<PipelineGStreamerElements*>(
            memory + i - offsetof(PipelineGStreamerElements, videoBufferSettings));
      }
    }
 
    return nullptr;
  }
 
  bool loadSpi_getInfo(MEDIA_CUSTOM_CONTENT_INFO_T* contentInfo);
  void sendSegmentEvent();
  void setContentInfo(MEDIA_CUSTOM_SRC_TYPE_T srcType, MEDIA_CUSTOM_CONTENT_INFO_T* contentInfo);
};
 
}