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x264enc: Set max bitrate in quality mode

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https://bugzilla.gnome.org/show_bug.cgi?id=621663
This commit is contained in:
Olivier Crête 2010-09-21 19:33:10 -04:00
parent 1370f3f161
commit a4df8f9031
1 changed files with 5 additions and 1 deletions
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6
ext/x264/gstx264enc.c
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@ -31,7 +31,7 @@
* of the encoding. This will similarly be the case if this target bitrate
* is to obtained in multiple (2 or 3) pass encoding.
* Alternatively, one may choose to perform Constant Quantizer or Quality encoding,
* in which case the #GstX264Enc:quantizer property controls much of the outcome.
* in which case the #GstX264Enc:quantizer property controls much of the outcome, in that case #GstX264Enc:bitrate is the maximum bitrate.
*
* The H264 profile that is eventually used depends on a few settings.
* If #GstX264Enc:dct8x8 is enabled, then High profile is used.
@ -1131,6 +1131,10 @@ gst_x264_enc_init_encoder (GstX264Enc * encoder)
case GST_X264_ENC_PASS_QUAL:
encoder->x264param.rc.i_rc_method = X264_RC_CRF;
encoder->x264param.rc.f_rf_constant = encoder->quantizer;
encoder->x264param.rc.i_vbv_max_bitrate = encoder->bitrate;
encoder->x264param.rc.i_vbv_buffer_size
= encoder->x264param.rc.i_vbv_max_bitrate
* encoder->vbv_buf_capacity / 1000;
break;
case GST_X264_ENC_PASS_CBR:
case GST_X264_ENC_PASS_PASS1: