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libs: encoder: h265: add low power mode encode.

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By now, this feature only support by media-driver on Ice Lake
platform, more information you can reference:
https://github.com/intel/media-driver
This commit is contained in:
Wangfei 2019-03-23 15:34:03 +08:00 committed by Víctor Manuel Jáquez Leal
parent acf10ce164
commit 49f363bca2
1 changed files with 31 additions and 13 deletions
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44
gst-libs/gst/vaapi/gstvaapiencoder_h265.c
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@ -44,7 +44,8 @@
/* Supported set of tuning options, within this implementation */
#define SUPPORTED_TUNE_OPTIONS \
(GST_VAAPI_ENCODER_TUNE_MASK (NONE))
(GST_VAAPI_ENCODER_TUNE_MASK (NONE) | \
GST_VAAPI_ENCODER_TUNE_MASK (LOW_POWER))
/* Supported set of VA packed headers, within this implementation */
#define SUPPORTED_PACKED_HEADERS \
@ -92,6 +93,7 @@ struct _GstVaapiEncoderH265
GstVaapiProfile profile;
GstVaapiTierH265 tier;
GstVaapiLevelH265 level;
GstVaapiEntrypoint entrypoint;
guint8 profile_idc;
guint8 max_profile_idc;
guint8 hw_max_profile_idc;
@ -918,7 +920,7 @@ static gboolean
ensure_hw_profile (GstVaapiEncoderH265 * encoder)
{
GstVaapiDisplay *const display = GST_VAAPI_ENCODER_DISPLAY (encoder);
GstVaapiEntrypoint entrypoint = GST_VAAPI_ENTRYPOINT_SLICE_ENCODE;
GstVaapiEntrypoint entrypoint = encoder->entrypoint;
GstVaapiProfile profile, profiles[4];
guint i, num_profiles = 0;
@ -1070,6 +1072,10 @@ ensure_tuning (GstVaapiEncoderH265 * encoder)
case GST_VAAPI_ENCODER_TUNE_HIGH_COMPRESSION:
success = ensure_tuning_high_compression (encoder);
break;
case GST_VAAPI_ENCODER_TUNE_LOW_POWER:
encoder->entrypoint = GST_VAAPI_ENTRYPOINT_SLICE_ENCODE_LP;
success = TRUE;
break;
default:
success = TRUE;
break;
@ -1525,9 +1531,12 @@ fill_sequence (GstVaapiEncoderH265 * encoder, GstVaapiEncSequence * sequence)
seq_param->seq_fields.bits.sps_temporal_mvp_enabled_flag =
encoder->sps_temporal_mvp_enabled_flag = TRUE;
/* Based on 32x32 CTU */
/* Based on 32x32 CTU (64x64 when using lowpower mode for hardware limitation) */
seq_param->log2_min_luma_coding_block_size_minus3 = 0;
seq_param->log2_diff_max_min_luma_coding_block_size = 2;
if (GST_VAAPI_ENCODER_TUNE (encoder) == GST_VAAPI_ENCODER_TUNE_LOW_POWER)
seq_param->log2_diff_max_min_luma_coding_block_size = 3;
else
seq_param->log2_diff_max_min_luma_coding_block_size = 2;
seq_param->log2_min_transform_block_size_minus2 = 0;
seq_param->log2_diff_max_min_transform_block_size = 3;
seq_param->max_transform_hierarchy_depth_inter = 3;
@ -1622,9 +1631,10 @@ fill_picture (GstVaapiEncoderH265 * encoder, GstVaapiEncPicture * picture,
pic_param->pic_fields.bits.sign_data_hiding_enabled_flag = FALSE;
pic_param->pic_fields.bits.transform_skip_enabled_flag = TRUE;
/* it seems driver requires enablement of cu_qp_delta_enabled_flag
* to modifiy QP values in CBR mode encoding */
pic_param->pic_fields.bits.cu_qp_delta_enabled_flag =
GST_VAAPI_ENCODER_RATE_CONTROL (encoder) != GST_VAAPI_RATECONTROL_CQP;
* to modifiy QP values in CBR mode or low power encoding */
if (GST_VAAPI_ENCODER_RATE_CONTROL (encoder) != GST_VAAPI_RATECONTROL_CQP
|| GST_VAAPI_ENCODER_TUNE (encoder) == GST_VAAPI_ENCODER_TUNE_LOW_POWER)
pic_param->pic_fields.bits.cu_qp_delta_enabled_flag = 1;
pic_param->pic_fields.bits.pps_loop_filter_across_slices_enabled_flag = TRUE;
@ -2048,11 +2058,10 @@ reset_properties (GstVaapiEncoderH265 * encoder)
ctu_size = encoder->ctu_width * encoder->ctu_height;
g_assert (gst_vaapi_encoder_ensure_num_slices (base_encoder, encoder->profile,
GST_VAAPI_ENTRYPOINT_SLICE_ENCODE, (ctu_size + 1) / 2,
&encoder->num_slices));
encoder->entrypoint, (ctu_size + 1) / 2, &encoder->num_slices));
gst_vaapi_encoder_ensure_max_num_ref_frames (base_encoder, encoder->profile,
GST_VAAPI_ENTRYPOINT_SLICE_ENCODE);
encoder->entrypoint);
if (base_encoder->max_num_ref_frames_1 < 1 && encoder->num_bframes > 0) {
GST_WARNING ("Disabling b-frame since the driver doesn't support it");
@ -2505,6 +2514,8 @@ set_context_info (GstVaapiEncoder * base_encoder)
base_encoder->codedbuf_size += GST_ROUND_UP_16 (vip->width) *
GST_ROUND_UP_16 (vip->height) * 3 / 2;
base_encoder->context_info.entrypoint = encoder->entrypoint;
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
}
@ -2523,10 +2534,14 @@ gst_vaapi_encoder_h265_reconfigure (GstVaapiEncoder * base_encoder)
GST_VAAPI_ENCODER_HEIGHT (encoder));
encoder->luma_width = GST_ROUND_UP_16 (luma_width);
encoder->luma_height = GST_ROUND_UP_16 (luma_height);
encoder->ctu_width = (encoder->luma_width + 31) / 32;
encoder->ctu_height = (encoder->luma_height + 31) / 32;
if (GST_VAAPI_ENCODER_TUNE (encoder) == GST_VAAPI_ENCODER_TUNE_LOW_POWER) {
encoder->ctu_width = (encoder->luma_width + 63) / 64;
encoder->ctu_height = (encoder->luma_height + 63) / 64;
} else {
encoder->ctu_width = (encoder->luma_width + 31) / 32;
encoder->ctu_height = (encoder->luma_height + 31) / 32;
}
encoder->config_changed = TRUE;
/* Frame Cropping */
if ((GST_VAAPI_ENCODER_WIDTH (encoder) & 15) ||
(GST_VAAPI_ENCODER_HEIGHT (encoder) & 15)) {
@ -2560,6 +2575,9 @@ gst_vaapi_encoder_h265_init (GstVaapiEncoder * base_encoder)
GstVaapiH265ReorderPool *reorder_pool;
GstVaapiH265RefPool *ref_pool;
/* Default encoding entrypoint */
encoder->entrypoint = GST_VAAPI_ENTRYPOINT_SLICE_ENCODE;
encoder->conformance_window_flag = 0;
encoder->num_slices = 1;