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libs: encoder: vp8: Adds VBR Encoding support

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https://bugzilla.gnome.org/show_bug.cgi?id=778732
This commit is contained in:
Hyunjun Ko 2017-06-01 12:12:26 +09:00 committed by Víctor Manuel Jáquez Leal
parent f68d0452be
commit 5d345b08fd
1 changed files with 5 additions and 2 deletions
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7
gst-libs/gst/vaapi/gstvaapiencoder_vp8.c
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@ -40,7 +40,8 @@
/* Supported set of VA rate controls, within this implementation */
#define SUPPORTED_RATECONTROLS \
(GST_VAAPI_RATECONTROL_MASK (CQP) | \
GST_VAAPI_RATECONTROL_MASK (CBR))
GST_VAAPI_RATECONTROL_MASK (CBR) | \
GST_VAAPI_RATECONTROL_MASK (VBR))
/* Supported set of tuning options, within this implementation */
#define SUPPORTED_TUNE_OPTIONS \
@ -125,6 +126,7 @@ ensure_bitrate (GstVaapiEncoderVP8 * encoder)
/* Default compression: 64 bits per macroblock */
switch (GST_VAAPI_ENCODER_RATE_CONTROL (encoder)) {
case GST_VAAPI_RATECONTROL_CBR:
case GST_VAAPI_RATECONTROL_VBR:
if (!base_encoder->bitrate) {
base_encoder->bitrate =
gst_util_uint64_scale (GST_VAAPI_ENCODER_WIDTH (encoder) *
@ -220,7 +222,8 @@ fill_sequence (GstVaapiEncoderVP8 * encoder, GstVaapiEncSequence * sequence)
seq_param->frame_width = GST_VAAPI_ENCODER_WIDTH (encoder);
seq_param->frame_height = GST_VAAPI_ENCODER_HEIGHT (encoder);
if (GST_VAAPI_ENCODER_RATE_CONTROL (encoder) & GST_VAAPI_RATECONTROL_CBR)
if (GST_VAAPI_ENCODER_RATE_CONTROL (encoder) == GST_VAAPI_RATECONTROL_CBR ||
GST_VAAPI_ENCODER_RATE_CONTROL (encoder) == GST_VAAPI_RATECONTROL_VBR)
seq_param->bits_per_second = base_encoder->bitrate * 1000;
seq_param->intra_period = base_encoder->keyframe_period;