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x264enc: Set max bitrate in quality mode
https://bugzilla.gnome.org/show_bug.cgi?id=621663
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1 changed files with 5 additions and 1 deletions
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@ -31,7 +31,7 @@
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* of the encoding. This will similarly be the case if this target bitrate
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* is to obtained in multiple (2 or 3) pass encoding.
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* Alternatively, one may choose to perform Constant Quantizer or Quality encoding,
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* in which case the #GstX264Enc:quantizer property controls much of the outcome.
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* in which case the #GstX264Enc:quantizer property controls much of the outcome, in that case #GstX264Enc:bitrate is the maximum bitrate.
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*
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* The H264 profile that is eventually used depends on a few settings.
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* If #GstX264Enc:dct8x8 is enabled, then High profile is used.
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@ -1131,6 +1131,10 @@ gst_x264_enc_init_encoder (GstX264Enc * encoder)
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case GST_X264_ENC_PASS_QUAL:
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encoder->x264param.rc.i_rc_method = X264_RC_CRF;
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encoder->x264param.rc.f_rf_constant = encoder->quantizer;
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encoder->x264param.rc.i_vbv_max_bitrate = encoder->bitrate;
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encoder->x264param.rc.i_vbv_buffer_size
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= encoder->x264param.rc.i_vbv_max_bitrate
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* encoder->vbv_buf_capacity / 1000;
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break;
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case GST_X264_ENC_PASS_CBR:
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case GST_X264_ENC_PASS_PASS1:
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