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  1. void SaveFrame(AVFrame *pFrame, int width, int height, int iFrame)
  2. {
  3.     FILE *pFile;
  4. 	char szFilename[32];
  5. 	int y;
  6. 	GLuint texture;
  7. 	uint8_t * pic_data = new uint8_t[height * width * 3];
  8. 	uint8_t * t_data = new uint8_t[width * 3];
  9. 	glEnable(GL_TEXTURE_2D);
  10. 	glGenTextures(1, &texture);					// Create The Texture
  11.  	glBindTexture(GL_TEXTURE_2D, texture);
  12.  
  13. 	for( y = 0; y < height; y++ )
  14. 	{	
  15. 		memcpy(t_data, pFrame->data[0] + y * pFrame->linesize[0], width * 3);
  16. 		for (int i=0; i < width * 3; i += 3)
  17. 		{
  18. 			float avg = t_data[i] + t_data[i+1] + t_data[i+2];
  19. 			avg /= 3;
  20. 			t_data[i] = avg;
  21. 			t_data[i+1] = avg;
  22. 			t_data[i+2] = avg;
  23. 		}
  24. 		memcpy(pic_data + y * width * 3, t_data, width * 3);
  25. 	}
  26.  	glTexImage2D(GL_TEXTURE_2D, 0, 3, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, pic_data);
  27. 	delete t_data;
  28. 	delete pic_data;
  29.  	glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
  30.  	glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
  31. 	m_Textures.push_back(texture);
  32. }
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https://ideone.com/0aojGr
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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