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libs: encoder: bitrate target percentage calculation
If the rate control is set to Constant Bit Rate (CBR) the target percentage is 100%, otherwise is 70%
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1 changed files with 6 additions and 2 deletions
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@ -802,7 +802,7 @@ gst_vaapi_encoder_reconfigure_internal (GstVaapiEncoder * encoder)
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GstVideoInfo *const vip = GST_VAAPI_ENCODER_VIDEO_INFO (encoder);
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GstVaapiEncoderStatus status;
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GstVaapiVideoPool *pool;
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guint codedbuf_size, quality_level_max = 0;
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guint codedbuf_size, target_percentage, quality_level_max = 0;
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/* Generate a keyframe every second */
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if (!encoder->keyframe_period)
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@ -812,11 +812,15 @@ gst_vaapi_encoder_reconfigure_internal (GstVaapiEncoder * encoder)
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GST_VAAPI_ENCODER_VA_FRAME_RATE (encoder).framerate =
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(guint) GST_VIDEO_INFO_FPS_D (vip) << 16 | GST_VIDEO_INFO_FPS_N (vip);
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target_percentage =
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(GST_VAAPI_ENCODER_RATE_CONTROL (encoder) == GST_VAAPI_RATECONTROL_CBR) ?
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100 : 70;
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/* *INDENT-OFF* */
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/* Default values for rate control parameter */
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GST_VAAPI_ENCODER_VA_RATE_CONTROL (encoder) = (VAEncMiscParameterRateControl) {
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.bits_per_second = encoder->bitrate * 1000,
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.target_percentage = 70,
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.target_percentage = target_percentage,
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.window_size = 500,
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};
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/* *INDENT-ON* */
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