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c->bit_rate = br; c->rc_min_rate =br; c->rc_max_rate = br; c->bit_rate_tolerance = br; c->rc_buffer_size=br; c->rc_initial_buffer_occupancy = c->rc_buffer_size*3/4; c->rc_buffer_aggressivity= (float)1.0; c->rc_initial_cplx= 0.5;
ffmpeg中VBR(可变率控制)的设置:
c->flags |= CODEC_FLAG_QSCALE; c->rc_min_rate =min; c->rc_max_rate = max; c->bit_rate = br;
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原文地址:http://www.cnblogs.com/jameszh/p/4237619.html