我有一个用ffmpeg(n卡)做压缩的视频会议程序,压缩的画面质量很不好。
希望有这方面的高手帮助我提高画质。
/ put sample parameters / pUnit->encV_var.c->bit_rate = bitrate;//400000; pUnit->encV_var.c->rc_max_rate=bitrate; pUnit->encV_var.c->rc_min_rate=bitrate; AVCodecContext c=pUnit->encV_var.c; int br = bitrate; c->bit_rate_tolerance = br; c->rc_buffer_size=br; c->rc_initial_buffer_occupancy = c->rc_buffer_size3/4; //c->rc_buffer_aggressivity= (float)1.0; //c->rc_initial_cplx= 0.5;
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