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libs: encoder: h264: Add property "temporal-levels"

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Adds new property "temporal-levels" to select the number of
temporal levels to be included in the encoded stream.

Signed-off-by: Sreerenj Balachandran <sreerenj.balachandran@intel.com>

https://bugzilla.gnome.org/show_bug.cgi?id=788918
This commit is contained in:
XuGuangxin 2016-07-28 14:17:53 +03:00 committed by Víctor Manuel Jáquez Leal
parent 89717a447f
commit e49859fde0
2 changed files with 24 additions and 0 deletions
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22
gst-libs/gst/vaapi/gstvaapiencoder_h264.c
View file

@ -48,6 +48,10 @@
/* Define the maximum value for view-id */
#define MAX_VIEW_ID 1023
/* Define default temporal levels */
#define MIN_TEMPORAL_LEVELS 1
#define MAX_TEMPORAL_LEVELS 4
/* Supported set of VA rate controls, within this implementation */
#define SUPPORTED_RATECONTROLS \
(GST_VAAPI_RATECONTROL_MASK (CQP) | \
@ -717,6 +721,7 @@ struct _GstVaapiEncoderH264
guint32 mb_height;
gboolean use_cabac;
gboolean use_dct8x8;
guint temporal_levels;
GstClockTime cts_offset;
gboolean config_changed;
@ -2989,6 +2994,7 @@ gst_vaapi_encoder_h264_init (GstVaapiEncoder * base_encoder)
encoder->is_mvc = FALSE;
encoder->num_views = 1;
encoder->view_idx = 0;
encoder->temporal_levels = MIN_TEMPORAL_LEVELS;
memset (encoder->view_ids, 0, sizeof (encoder->view_ids));
/* re-ordering list initialize */
@ -3119,6 +3125,9 @@ gst_vaapi_encoder_h264_set_property (GstVaapiEncoder * base_encoder,
case GST_VAAPI_ENCODER_H264_PROP_MBBRC:
encoder->mbbrc = g_value_get_enum (value);
break;
case GST_VAAPI_ENCODER_H264_PROP_TEMPORAL_LEVELS:
encoder->temporal_levels = g_value_get_uint (value);
break;
default:
return GST_VAAPI_ENCODER_STATUS_ERROR_INVALID_PARAMETER;
@ -3300,6 +3309,19 @@ gst_vaapi_encoder_h264_get_default_properties (void)
GST_VAAPI_TYPE_ENCODER_MBBRC, GST_VAAPI_ENCODER_MBBRC_AUTO,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstVaapiEncoderH264:temporal-levels:
*
* Number of temporal levels in the encoded stream.
*/
GST_VAAPI_ENCODER_PROPERTIES_APPEND (props,
GST_VAAPI_ENCODER_H264_PROP_TEMPORAL_LEVELS,
g_param_spec_uint ("temporal-levels",
"temporal levels",
"Number of temporal levels in the encoded stream ",
MIN_TEMPORAL_LEVELS, MAX_TEMPORAL_LEVELS, MIN_TEMPORAL_LEVELS,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstVaapiEncoderH264:cpb-length:
*

2
gst-libs/gst/vaapi/gstvaapiencoder_h264.h
View file

@ -54,6 +54,7 @@ typedef struct _GstVaapiEncoderH264 GstVaapiEncoderH264;
* @GST_VAAPI_ENCODER_H264_PROP_MBBRC: Macroblock level Bitrate Control.
* @GST_VAAPI_ENCODER_H264_PROP_QP_IP: Difference of QP between I and P frame.
* @GST_VAAPI_ENCODER_H264_PROP_QP_IB: Difference of QP between I and B frame.
* @GST_VAAPI_ENCODER_H264_PROP_TEMPORAL_LEVELS: Number of temporal levels
*
* The set of H.264 encoder specific configurable properties.
*/
@ -73,6 +74,7 @@ typedef enum {
GST_VAAPI_ENCODER_H264_PROP_MBBRC = -13,
GST_VAAPI_ENCODER_H264_PROP_QP_IP = -14,
GST_VAAPI_ENCODER_H264_PROP_QP_IB = -15,
GST_VAAPI_ENCODER_H264_PROP_TEMPORAL_LEVELS = -16,
} GstVaapiEncoderH264Prop;
GstVaapiEncoder *