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libs: encoder: h265: support ICQ/QVBR BRC

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Enable support for ICQ and QVBR bitrate control.

The code is essentially the same for h264 ICQ/QVBR support
which was added in commit 9e0c133a24.
This commit is contained in:
U. Artie Eoff 2020-03-04 12:35:42 -08:00 committed by GStreamer Merge Bot
parent 861b4cc4b6
commit a28046a8df
1 changed files with 39 additions and 1 deletions
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40
gst-libs/gst/vaapi/gstvaapiencoder_h265.c
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@ -40,7 +40,9 @@
#define SUPPORTED_RATECONTROLS \
(GST_VAAPI_RATECONTROL_MASK (CQP) | \
GST_VAAPI_RATECONTROL_MASK (CBR) | \
GST_VAAPI_RATECONTROL_MASK (VBR))
GST_VAAPI_RATECONTROL_MASK (VBR) | \
GST_VAAPI_RATECONTROL_MASK (ICQ) | \
GST_VAAPI_RATECONTROL_MASK (QVBR))
/* Supported set of tuning options, within this implementation */
#define SUPPORTED_TUNE_OPTIONS \
@ -111,6 +113,7 @@ struct _GstVaapiEncoderH265
guint32 ctu_height;
guint32 luma_width;
guint32 luma_height;
guint32 quality_factor;
GstClockTime cts_offset;
gboolean config_changed;
gboolean low_delay_b;
@ -1970,6 +1973,14 @@ ensure_control_rate_params (GstVaapiEncoderH265 * encoder)
if (GST_VAAPI_ENCODER_RATE_CONTROL (encoder) == GST_VAAPI_RATECONTROL_CQP)
return TRUE;
#if VA_CHECK_VERSION(1,1,0)
if (GST_VAAPI_ENCODER_RATE_CONTROL (encoder) == GST_VAAPI_RATECONTROL_ICQ) {
GST_VAAPI_ENCODER_VA_RATE_CONTROL (encoder).ICQ_quality_factor =
encoder->quality_factor;
return TRUE;
}
#endif
/* RateControl params */
GST_VAAPI_ENCODER_VA_RATE_CONTROL (encoder).bits_per_second =
encoder->bitrate_bits;
@ -1988,6 +1999,11 @@ ensure_control_rate_params (GstVaapiEncoderH265 * encoder)
(guint) encoder->mbbrc;
#endif
#if VA_CHECK_VERSION(1,3,0)
GST_VAAPI_ENCODER_VA_RATE_CONTROL (encoder).quality_factor =
encoder->quality_factor;
#endif
/* HRD params */
fill_hrd_params (encoder, &GST_VAAPI_ENCODER_VA_HRD (encoder));
@ -2105,6 +2121,7 @@ ensure_bitrate (GstVaapiEncoderH265 * encoder)
switch (GST_VAAPI_ENCODER_RATE_CONTROL (encoder)) {
case GST_VAAPI_RATECONTROL_CBR:
case GST_VAAPI_RATECONTROL_VBR:
case GST_VAAPI_RATECONTROL_QVBR:
if (!base_encoder->bitrate) {
/* FIXME: Provide better estimation */
/* Using a 1/6 compression ratio */
@ -2807,6 +2824,7 @@ enum
ENCODER_H265_PROP_QP_IB,
ENCODER_H265_PROP_LOW_DELAY_B,
ENCODER_H265_PROP_MAX_QP,
ENCODER_H265_PROP_QUALITY_FACTOR,
ENCODER_H265_N_PROPERTIES
};
@ -2866,6 +2884,9 @@ gst_vaapi_encoder_h265_set_property (GObject * object, guint prop_id,
case ENCODER_H265_PROP_MAX_QP:
encoder->max_qp = g_value_get_uint (value);
break;
case ENCODER_H265_PROP_QUALITY_FACTOR:
encoder->quality_factor = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
@ -2918,6 +2939,9 @@ gst_vaapi_encoder_h265_get_property (GObject * object, guint prop_id,
case ENCODER_H265_PROP_MAX_QP:
g_value_set_uint (value, encoder->max_qp);
break;
case ENCODER_H265_PROP_QUALITY_FACTOR:
g_value_set_uint (value, encoder->quality_factor);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
@ -3110,6 +3134,20 @@ gst_vaapi_encoder_h265_class_init (GstVaapiEncoderH265Class * klass)
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT |
GST_VAAPI_PARAM_ENCODER_EXPOSURE);
/**
* GstVaapiEncoderH265:quality_factor:
*
* Quality factor used with ICQ/QVBR bitrate control mode.
*/
properties[ENCODER_H265_PROP_QUALITY_FACTOR] =
g_param_spec_uint ("quality-factor",
"Quality factor for ICQ/QVBR",
"quality factor for ICQ/QBVR bitrate control mode"
" (lower value means higher quality, higher value means lower quality)",
1, 51, 26,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT |
GST_VAAPI_PARAM_ENCODER_EXPOSURE);
g_object_class_install_properties (object_class, ENCODER_H265_N_PROPERTIES,
properties);
}