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gstreamer/gst-libs/gst/vaapi/gstvaapiencoder_vp9.c

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/*
* gstvaapiencoder_vp9.c - VP9 encoder
*
* Copyright (C) 2016 Intel Corporation
* Author: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#include "sysdeps.h"
#include <gst/base/gstbitwriter.h>
#include <gst/codecparsers/gstvp9parser.h>
#include "gstvaapicompat.h"
#include "gstvaapiencoder_priv.h"
#include "gstvaapiencoder_vp9.h"
#include "gstvaapicodedbufferproxy_priv.h"
#include "gstvaapisurface.h"
#define DEBUG 1
#include "gstvaapidebug.h"
/* Define default rate control mode ("constant-qp") */
#define DEFAULT_RATECONTROL GST_VAAPI_RATECONTROL_CQP
/* 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 (VBR))
/* Supported set of tuning options, within this implementation */
#define SUPPORTED_TUNE_OPTIONS \
(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 \
(VA_ENC_PACKED_HEADER_NONE)
#define DEFAULT_LOOP_FILTER_LEVEL 10
#define DEFAULT_SHARPNESS_LEVEL 0
#define DEFAULT_YAC_QINDEX 60
#define MAX_FRAME_WIDTH 4096
#define MAX_FRAME_HEIGHT 4096
/* Default CPB length (in milliseconds) */
#define DEFAULT_CPB_LENGTH 1500
typedef enum
{
GST_VAAPI_ENCODER_VP9_REF_PIC_MODE_0 = 0,
GST_VAAPI_ENCODER_VP9_REF_PIC_MODE_1 = 1
} GstVaapiEnoderVP9RefPicMode;
static GType
gst_vaapi_encoder_vp9_ref_pic_mode_type (void)
{
static GType gtype = 0;
if (gtype == 0) {
static const GEnumValue values[] = {
{GST_VAAPI_ENCODER_VP9_REF_PIC_MODE_0,
"Use Keyframe(Alt & Gold) and Previousframe(Last) for prediction ",
"mode-0"},
{GST_VAAPI_ENCODER_VP9_REF_PIC_MODE_1,
"Use last three frames for prediction (n:Last n-1:Gold n-2:Alt)",
"mode-1"},
{0, NULL, NULL},
};
gtype = g_enum_register_static ("GstVaapiEncoderVP9RefPicMode", values);
}
return gtype;
}
/* ------------------------------------------------------------------------- */
/* --- VP9 Encoder --- */
/* ------------------------------------------------------------------------- */
struct _GstVaapiEncoderVP9
{
GstVaapiEncoder parent_instance;
GstVaapiProfile profile;
guint loop_filter_level;
guint sharpness_level;
guint yac_qi;
guint ref_pic_mode;
guint frame_num;
GstVaapiSurfaceProxy *ref_list[GST_VP9_REF_FRAMES]; /* reference list */
guint ref_list_idx; /* next free slot in ref_list */
GstVaapiEntrypoint entrypoint;
/* Bitrate contral parameters, CPB = Coded Picture Buffer */
guint bitrate_bits; /* bitrate (bits) */
guint cpb_length; /* length of CPB buffer (ms) */
};
/* Estimates a good enough bitrate if none was supplied */
static void
ensure_bitrate (GstVaapiEncoderVP9 * encoder)
{
GstVaapiEncoder *const base_encoder = GST_VAAPI_ENCODER_CAST (encoder);
guint bitrate;
switch (GST_VAAPI_ENCODER_RATE_CONTROL (encoder)) {
case GST_VAAPI_RATECONTROL_CBR:
case GST_VAAPI_RATECONTROL_VBR:
if (!base_encoder->bitrate) {
/* FIXME: Provide better estimation */
/* Using a 1/6 compression ratio */
/* 12 bits per pixel fro yuv420 */
base_encoder->bitrate =
(GST_VAAPI_ENCODER_WIDTH (encoder) *
GST_VAAPI_ENCODER_HEIGHT (encoder) * 12 / 6) *
GST_VAAPI_ENCODER_FPS_N (encoder) /
GST_VAAPI_ENCODER_FPS_D (encoder) / 1000;
GST_INFO ("target bitrate computed to %u kbps", base_encoder->bitrate);
}
bitrate = (base_encoder->bitrate * 1000);
if (bitrate != encoder->bitrate_bits) {
GST_DEBUG ("HRD bitrate: %u bits/sec", bitrate);
encoder->bitrate_bits = bitrate;
}
break;
default:
base_encoder->bitrate = 0;
break;
}
}
/* Derives the profile that suits best to the configuration */
static GstVaapiEncoderStatus
ensure_profile (GstVaapiEncoderVP9 * encoder)
{
/*
Profile Color | Depth Chroma | Subsampling
0 | 8 bit/sample | 4:2:0
1 | 8 bit | 4:2:2, 4:4:4
2 | 10 or 12 bit | 4:2:0
3 | 10 or 12 bit | 4:2:2, 4:4:4 */
const GstVideoFormat format =
GST_VIDEO_INFO_FORMAT (GST_VAAPI_ENCODER_VIDEO_INFO (encoder));
if (format == GST_VIDEO_FORMAT_P010_10LE)
encoder->profile = GST_VAAPI_PROFILE_VP9_2;
else
encoder->profile = GST_VAAPI_PROFILE_VP9_0;
/* Ensure bitrate if not set already */
ensure_bitrate (encoder);
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
}
/* Derives the profile supported by the underlying hardware */
static gboolean
ensure_hw_profile (GstVaapiEncoderVP9 * encoder)
{
GstVaapiDisplay *const display = GST_VAAPI_ENCODER_DISPLAY (encoder);
GstVaapiEntrypoint entrypoint = encoder->entrypoint;
GstVaapiProfile profile, profiles[2];
guint i, num_profiles = 0;
profiles[num_profiles++] = encoder->profile;
profile = GST_VAAPI_PROFILE_UNKNOWN;
for (i = 0; i < num_profiles; i++) {
if (gst_vaapi_display_has_encoder (display, profiles[i], entrypoint)) {
profile = profiles[i];
break;
}
}
if (profile == GST_VAAPI_PROFILE_UNKNOWN)
goto error_unsupported_profile;
GST_VAAPI_ENCODER_CAST (encoder)->profile = profile;
return TRUE;
/* ERRORS */
error_unsupported_profile:
{
GST_ERROR ("unsupported HW profile %s",
gst_vaapi_profile_get_va_name (encoder->profile));
return FALSE;
}
}
static GstVaapiEncoderStatus
set_context_info (GstVaapiEncoder * base_encoder)
{
GstVaapiEncoderVP9 *encoder = GST_VAAPI_ENCODER_VP9 (base_encoder);
GstVideoInfo *const vip = GST_VAAPI_ENCODER_VIDEO_INFO (encoder);
const guint DEFAULT_SURFACES_COUNT = 2;
/* FIXME: Maximum sizes for common headers (in bytes) */
if (!ensure_hw_profile (encoder))
return GST_VAAPI_ENCODER_STATUS_ERROR_UNSUPPORTED_PROFILE;
base_encoder->num_ref_frames = 3 + DEFAULT_SURFACES_COUNT;
/* Only YUV 4:2:0 formats are supported for now. */
base_encoder->codedbuf_size = GST_ROUND_UP_16 (vip->width) *
GST_ROUND_UP_16 (vip->height) * 3 / 2;
base_encoder->context_info.profile = base_encoder->profile;
base_encoder->context_info.entrypoint = encoder->entrypoint;
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
}
static gboolean
fill_sequence (GstVaapiEncoderVP9 * encoder, GstVaapiEncSequence * sequence)
{
GstVaapiEncoder *const base_encoder = GST_VAAPI_ENCODER_CAST (encoder);
VAEncSequenceParameterBufferVP9 *const seq_param = sequence->param;
memset (seq_param, 0, sizeof (VAEncSequenceParameterBufferVP9));
seq_param->max_frame_width = MAX_FRAME_WIDTH;
seq_param->max_frame_height = MAX_FRAME_HEIGHT;
/* keyframe minimum interval */
seq_param->kf_min_dist = 1;
/* keyframe maximum interval */
seq_param->kf_max_dist = base_encoder->keyframe_period;
seq_param->intra_period = base_encoder->keyframe_period;
seq_param->bits_per_second = encoder->bitrate_bits;
return TRUE;
}
static gboolean
ensure_sequence (GstVaapiEncoderVP9 * encoder, GstVaapiEncPicture * picture)
{
GstVaapiEncSequence *sequence;
g_assert (picture);
if (picture->type != GST_VAAPI_PICTURE_TYPE_I)
return TRUE;
sequence = GST_VAAPI_ENC_SEQUENCE_NEW (VP9, encoder);
if (!sequence)
goto error;
if (!fill_sequence (encoder, sequence))
goto error;
gst_vaapi_enc_picture_set_sequence (picture, sequence);
gst_vaapi_codec_object_replace (&sequence, NULL);
return TRUE;
/* ERRORS */
error:
{
gst_vaapi_codec_object_replace (&sequence, NULL);
return FALSE;
}
}
static gboolean
ensure_control_rate_params (GstVaapiEncoderVP9 * encoder)
{
if (GST_VAAPI_ENCODER_RATE_CONTROL (encoder) == GST_VAAPI_RATECONTROL_CQP)
return TRUE;
/* RateControl params */
GST_VAAPI_ENCODER_VA_RATE_CONTROL (encoder).bits_per_second =
encoder->bitrate_bits;
GST_VAAPI_ENCODER_VA_RATE_CONTROL (encoder).window_size = encoder->cpb_length;
/* *INDENT-OFF* */
/* HRD params */
GST_VAAPI_ENCODER_VA_HRD (encoder) = (VAEncMiscParameterHRD) {
.buffer_size = encoder->bitrate_bits * 2,
.initial_buffer_fullness = encoder->bitrate_bits,
};
/* *INDENT-ON* */
return TRUE;
}
static gboolean
ensure_misc_params (GstVaapiEncoderVP9 * encoder, GstVaapiEncPicture * picture)
{
GstVaapiEncoder *const base_encoder = GST_VAAPI_ENCODER_CAST (encoder);
if (!gst_vaapi_encoder_ensure_param_quality_level (base_encoder, picture))
return FALSE;
if (!gst_vaapi_encoder_ensure_param_control_rate (base_encoder, picture))
return FALSE;
return TRUE;
}
static void
get_ref_indices (guint ref_pic_mode, guint ref_list_idx, guint * last_idx,
guint * gf_idx, guint * arf_idx, guint8 * refresh_frame_flags)
{
if (ref_pic_mode == GST_VAAPI_ENCODER_VP9_REF_PIC_MODE_0) {
*last_idx = ref_list_idx - 1;
*gf_idx = 1;
*arf_idx = 2;
*refresh_frame_flags = 0x01;
} else if (ref_pic_mode == GST_VAAPI_ENCODER_VP9_REF_PIC_MODE_1) {
gint last_filled_idx = (ref_list_idx - 1) & (GST_VP9_REF_FRAMES - 1);
*last_idx = last_filled_idx;
*gf_idx = (last_filled_idx - 1) & (GST_VP9_REF_FRAMES - 1);
*arf_idx = (last_filled_idx - 2) & (GST_VP9_REF_FRAMES - 1);
*refresh_frame_flags = 1 << ((*last_idx + 1) % GST_VP9_REF_FRAMES);
}
GST_LOG
("last_ref_idx:%d gold_ref_idx:%d alt_reff_idx:%d refesh_frame_flag:%x",
*last_idx, *gf_idx, *arf_idx, *refresh_frame_flags);
}
static gboolean
fill_picture (GstVaapiEncoderVP9 * encoder,
GstVaapiEncPicture * picture,
GstVaapiCodedBuffer * codedbuf, GstVaapiSurfaceProxy * surface)
{
VAEncPictureParameterBufferVP9 *const pic_param = picture->param;
guint i, last_idx = 0, gf_idx = 0, arf_idx = 0;
guint8 refresh_frame_flags = 0;
memset (pic_param, 0, sizeof (VAEncPictureParameterBufferVP9));
pic_param->reconstructed_frame = GST_VAAPI_SURFACE_PROXY_SURFACE_ID (surface);
pic_param->coded_buf = GST_VAAPI_CODED_BUFFER_ID (codedbuf);
/* Update Reference Frame list */
if (picture->type == GST_VAAPI_PICTURE_TYPE_I)
memset (pic_param->reference_frames, 0xFF,
sizeof (pic_param->reference_frames));
else {
for (i = 0; i < G_N_ELEMENTS (pic_param->reference_frames); i++) {
pic_param->reference_frames[i] =
GST_VAAPI_SURFACE_PROXY_SURFACE_ID (encoder->ref_list[i]);
}
}
/* It is possible to have dynamic scaling with gpu by providing
* src and destination resoltuion. For now we are just using
* default encoder width and height */
pic_param->frame_width_src = GST_VAAPI_ENCODER_WIDTH (encoder);
pic_param->frame_height_src = GST_VAAPI_ENCODER_HEIGHT (encoder);
pic_param->frame_width_dst = GST_VAAPI_ENCODER_WIDTH (encoder);
pic_param->frame_height_dst = GST_VAAPI_ENCODER_HEIGHT (encoder);
pic_param->pic_flags.bits.show_frame = 1;
if (picture->type == GST_VAAPI_PICTURE_TYPE_P) {
pic_param->pic_flags.bits.frame_type = GST_VP9_INTER_FRAME;
/* use three of the reference frames (last, golden and altref)
* for prediction */
pic_param->ref_flags.bits.ref_frame_ctrl_l0 = 0x7;
get_ref_indices (encoder->ref_pic_mode, encoder->ref_list_idx, &last_idx,
&gf_idx, &arf_idx, &refresh_frame_flags);
pic_param->ref_flags.bits.ref_last_idx = last_idx;
pic_param->ref_flags.bits.ref_gf_idx = gf_idx;
pic_param->ref_flags.bits.ref_arf_idx = arf_idx;
pic_param->refresh_frame_flags = refresh_frame_flags;
}
pic_param->luma_ac_qindex = encoder->yac_qi;
pic_param->luma_dc_qindex_delta = 1;
pic_param->chroma_ac_qindex_delta = 1;
pic_param->chroma_dc_qindex_delta = 1;
pic_param->filter_level = encoder->loop_filter_level;
pic_param->sharpness_level = encoder->sharpness_level;
return TRUE;
}
static gboolean
ensure_picture (GstVaapiEncoderVP9 * encoder, GstVaapiEncPicture * picture,
GstVaapiCodedBufferProxy * codedbuf_proxy, GstVaapiSurfaceProxy * surface)
{
GstVaapiCodedBuffer *const codedbuf =
GST_VAAPI_CODED_BUFFER_PROXY_BUFFER (codedbuf_proxy);
if (!fill_picture (encoder, picture, codedbuf, surface))
return FALSE;
return TRUE;
}
static void
update_ref_list (GstVaapiEncoderVP9 * encoder, GstVaapiEncPicture * picture,
GstVaapiSurfaceProxy * ref)
{
guint i;
if (picture->type == GST_VAAPI_PICTURE_TYPE_I) {
for (i = 0; i < G_N_ELEMENTS (encoder->ref_list); i++)
gst_vaapi_surface_proxy_replace (&encoder->ref_list[i], ref);
gst_vaapi_surface_proxy_unref (ref);
/* set next free slot index */
encoder->ref_list_idx = 1;
return;
}
switch (encoder->ref_pic_mode) {
case GST_VAAPI_ENCODER_VP9_REF_PIC_MODE_0:
gst_vaapi_surface_proxy_replace (&encoder->ref_list[0], ref);
gst_vaapi_surface_proxy_unref (ref);
break;
case GST_VAAPI_ENCODER_VP9_REF_PIC_MODE_1:
i = encoder->ref_list_idx;
gst_vaapi_surface_proxy_replace (&encoder->ref_list[i], ref);
gst_vaapi_surface_proxy_unref (ref);
encoder->ref_list_idx = (encoder->ref_list_idx + 1) % GST_VP9_REF_FRAMES;
break;
default:
g_assert ("Code shouldn't reach here");
break;
}
}
static GstVaapiEncoderStatus
gst_vaapi_encoder_vp9_encode (GstVaapiEncoder * base_encoder,
GstVaapiEncPicture * picture, GstVaapiCodedBufferProxy * codedbuf)
{
GstVaapiEncoderVP9 *const encoder = GST_VAAPI_ENCODER_VP9 (base_encoder);
GstVaapiEncoderStatus ret = GST_VAAPI_ENCODER_STATUS_ERROR_UNKNOWN;
GstVaapiSurfaceProxy *reconstruct = NULL;
reconstruct = gst_vaapi_encoder_create_surface (base_encoder);
g_assert (GST_VAAPI_SURFACE_PROXY_SURFACE (reconstruct));
if (!ensure_sequence (encoder, picture))
goto error;
if (!ensure_misc_params (encoder, picture))
goto error;
if (!ensure_picture (encoder, picture, codedbuf, reconstruct))
goto error;
if (!gst_vaapi_enc_picture_encode (picture))
goto error;
update_ref_list (encoder, picture, reconstruct);
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
/* ERRORS */
error:
{
if (reconstruct)
gst_vaapi_encoder_release_surface (GST_VAAPI_ENCODER (encoder),
reconstruct);
return ret;
}
}
static GstVaapiEncoderStatus
gst_vaapi_encoder_vp9_flush (GstVaapiEncoder * base_encoder)
{
GstVaapiEncoderVP9 *const encoder = GST_VAAPI_ENCODER_VP9 (base_encoder);
encoder->frame_num = 0;
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
}
static GstVaapiEncoderStatus
gst_vaapi_encoder_vp9_reordering (GstVaapiEncoder * base_encoder,
GstVideoCodecFrame * frame, GstVaapiEncPicture ** output)
{
GstVaapiEncoderVP9 *const encoder = GST_VAAPI_ENCODER_VP9 (base_encoder);
GstVaapiEncPicture *picture = NULL;
GstVaapiEncoderStatus status = GST_VAAPI_ENCODER_STATUS_SUCCESS;
if (!frame)
return GST_VAAPI_ENCODER_STATUS_NO_SURFACE;
picture = GST_VAAPI_ENC_PICTURE_NEW (VP9, encoder, frame);
if (!picture) {
GST_WARNING ("create VP9 picture failed, frame timestamp:%"
GST_TIME_FORMAT, GST_TIME_ARGS (frame->pts));
return GST_VAAPI_ENCODER_STATUS_ERROR_ALLOCATION_FAILED;
}
if (encoder->frame_num >= base_encoder->keyframe_period) {
encoder->frame_num = 0;
}
if (encoder->frame_num == 0) {
picture->type = GST_VAAPI_PICTURE_TYPE_I;
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
} else {
picture->type = GST_VAAPI_PICTURE_TYPE_P;
}
encoder->frame_num++;
*output = picture;
return status;
}
static GstVaapiEncoderStatus
gst_vaapi_encoder_vp9_reconfigure (GstVaapiEncoder * base_encoder)
{
GstVaapiEncoderVP9 *const encoder = GST_VAAPI_ENCODER_VP9 (base_encoder);
GstVaapiEncoderStatus status;
status = ensure_profile (encoder);
if (status != GST_VAAPI_ENCODER_STATUS_SUCCESS)
return status;
encoder->entrypoint =
gst_vaapi_encoder_get_entrypoint (base_encoder, encoder->profile);
if (encoder->entrypoint == GST_VAAPI_ENTRYPOINT_INVALID) {
GST_WARNING ("Cannot find valid entrypoint");
return GST_VAAPI_ENCODER_STATUS_ERROR_UNSUPPORTED_PROFILE;
}
ensure_control_rate_params (encoder);
return set_context_info (base_encoder);
}
struct _GstVaapiEncoderVP9Class
{
GstVaapiEncoderClass parent_class;
};
G_DEFINE_TYPE (GstVaapiEncoderVP9, gst_vaapi_encoder_vp9,
GST_TYPE_VAAPI_ENCODER);
static void
gst_vaapi_encoder_vp9_init (GstVaapiEncoderVP9 * encoder)
{
encoder->frame_num = 0;
encoder->loop_filter_level = DEFAULT_LOOP_FILTER_LEVEL;
encoder->sharpness_level = DEFAULT_SHARPNESS_LEVEL;
encoder->yac_qi = DEFAULT_YAC_QINDEX;
encoder->cpb_length = DEFAULT_CPB_LENGTH;
encoder->entrypoint = GST_VAAPI_ENTRYPOINT_SLICE_ENCODE;
memset (encoder->ref_list, 0,
G_N_ELEMENTS (encoder->ref_list) * sizeof (encoder->ref_list[0]));
encoder->ref_list_idx = 0;
}
/**
* @ENCODER_VP9_PROP_RATECONTROL: Rate control (#GstVaapiRateControl).
* @ENCODER_VP9_PROP_TUNE: The tuning options (#GstVaapiEncoderTune).
* @ENCODER_VP9_PROP_LOOP_FILTER_LEVEL: Loop Filter Level(uint).
* @ENCODER_VP9_PROP_LOOP_SHARPNESS_LEVEL: Sharpness Level(uint).
* @ENCODER_VP9_PROP_YAC_Q_INDEX: Quantization table index for luma AC
* @ENCODER_VP9_PROP_REF_PIC_MODE: Reference picute selection modes
* @ENCODER_VP9_PROP_CPB_LENGTH:Length of CPB buffer in milliseconds
*
* The set of VP9 encoder specific configurable properties.
*/
enum
{
ENCODER_VP9_PROP_RATECONTROL = 1,
ENCODER_VP9_PROP_TUNE,
ENCODER_VP9_PROP_LOOP_FILTER_LEVEL,
ENCODER_VP9_PROP_SHARPNESS_LEVEL,
ENCODER_VP9_PROP_YAC_Q_INDEX,
ENCODER_VP9_PROP_REF_PIC_MODE,
ENCODER_VP9_PROP_CPB_LENGTH,
ENCODER_VP9_N_PROPERTIES
};
static GParamSpec *properties[ENCODER_VP9_N_PROPERTIES];
static void
gst_vaapi_encoder_vp9_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstVaapiEncoder *const base_encoder = GST_VAAPI_ENCODER (object);
GstVaapiEncoderVP9 *const encoder = GST_VAAPI_ENCODER_VP9 (object);
if (base_encoder->num_codedbuf_queued > 0) {
GST_ERROR_OBJECT (object,
"failed to set any property after encoding started");
return;
}
switch (prop_id) {
case ENCODER_VP9_PROP_RATECONTROL:
gst_vaapi_encoder_set_rate_control (base_encoder,
g_value_get_enum (value));
break;
case ENCODER_VP9_PROP_TUNE:
gst_vaapi_encoder_set_tuning (base_encoder, g_value_get_enum (value));
break;
case ENCODER_VP9_PROP_LOOP_FILTER_LEVEL:
encoder->loop_filter_level = g_value_get_uint (value);
break;
case ENCODER_VP9_PROP_SHARPNESS_LEVEL:
encoder->sharpness_level = g_value_get_uint (value);
break;
case ENCODER_VP9_PROP_YAC_Q_INDEX:
encoder->yac_qi = g_value_get_uint (value);
break;
case ENCODER_VP9_PROP_REF_PIC_MODE:
encoder->ref_pic_mode = g_value_get_enum (value);
break;
case ENCODER_VP9_PROP_CPB_LENGTH:
encoder->cpb_length = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
gst_vaapi_encoder_vp9_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstVaapiEncoderVP9 *const encoder = GST_VAAPI_ENCODER_VP9 (object);
GstVaapiEncoder *const base_encoder = GST_VAAPI_ENCODER (object);
switch (prop_id) {
case ENCODER_VP9_PROP_RATECONTROL:
g_value_set_enum (value, base_encoder->rate_control);
break;
case ENCODER_VP9_PROP_TUNE:
g_value_set_enum (value, base_encoder->tune);
break;
case ENCODER_VP9_PROP_LOOP_FILTER_LEVEL:
g_value_set_uint (value, encoder->loop_filter_level);
break;
case ENCODER_VP9_PROP_SHARPNESS_LEVEL:
g_value_set_uint (value, encoder->sharpness_level);
break;
case ENCODER_VP9_PROP_YAC_Q_INDEX:
g_value_set_uint (value, encoder->yac_qi);
break;
case ENCODER_VP9_PROP_REF_PIC_MODE:
g_value_set_enum (value, encoder->ref_pic_mode);
break;
case ENCODER_VP9_PROP_CPB_LENGTH:
g_value_set_uint (value, encoder->cpb_length);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
GST_VAAPI_ENCODER_DEFINE_CLASS_DATA (VP9);
static void
gst_vaapi_encoder_vp9_class_init (GstVaapiEncoderVP9Class * klass)
{
GObjectClass *const object_class = G_OBJECT_CLASS (klass);
GstVaapiEncoderClass *const encoder_class = GST_VAAPI_ENCODER_CLASS (klass);
encoder_class->class_data = &g_class_data;
encoder_class->reconfigure = gst_vaapi_encoder_vp9_reconfigure;
encoder_class->reordering = gst_vaapi_encoder_vp9_reordering;
encoder_class->encode = gst_vaapi_encoder_vp9_encode;
encoder_class->flush = gst_vaapi_encoder_vp9_flush;
object_class->set_property = gst_vaapi_encoder_vp9_set_property;
object_class->get_property = gst_vaapi_encoder_vp9_get_property;
properties[ENCODER_VP9_PROP_RATECONTROL] =
g_param_spec_enum ("rate-control",
"Rate Control", "Rate control mode",
g_class_data.rate_control_get_type (),
g_class_data.default_rate_control,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT |
GST_VAAPI_PARAM_ENCODER_EXPOSURE);
properties[ENCODER_VP9_PROP_TUNE] =
g_param_spec_enum ("tune",
"Encoder Tuning",
"Encoder tuning option",
g_class_data.encoder_tune_get_type (),
g_class_data.default_encoder_tune,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT |
GST_VAAPI_PARAM_ENCODER_EXPOSURE);
properties[ENCODER_VP9_PROP_LOOP_FILTER_LEVEL] =
g_param_spec_uint ("loop-filter-level",
"Loop Filter Level",
"Controls the deblocking filter strength",
0, 63, DEFAULT_LOOP_FILTER_LEVEL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT |
GST_VAAPI_PARAM_ENCODER_EXPOSURE);
properties[ENCODER_VP9_PROP_SHARPNESS_LEVEL] =
g_param_spec_uint ("sharpness-level",
"Sharpness Level",
"Controls the deblocking filter sensitivity",
0, 7, DEFAULT_SHARPNESS_LEVEL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT |
GST_VAAPI_PARAM_ENCODER_EXPOSURE);
properties[ENCODER_VP9_PROP_YAC_Q_INDEX] =
g_param_spec_uint ("yac-qi",
"Luma AC Quant Table index",
"Quantization Table index for Luma AC Coefficients",
0, 255, DEFAULT_YAC_QINDEX,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT |
GST_VAAPI_PARAM_ENCODER_EXPOSURE);
properties[ENCODER_VP9_PROP_REF_PIC_MODE] =
g_param_spec_enum ("ref-pic-mode",
"RefPic Selection",
"Reference Picture Selection Modes",
gst_vaapi_encoder_vp9_ref_pic_mode_type (),
GST_VAAPI_ENCODER_VP9_REF_PIC_MODE_0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT |
GST_VAAPI_PARAM_ENCODER_EXPOSURE);
/**
* GstVaapiEncoderVP9:cpb-length:
*
* The size of the Coded Picture Buffer , which means
* the window size in milliseconds.
*
*/
properties[ENCODER_VP9_PROP_CPB_LENGTH] =
g_param_spec_uint ("cpb-length",
"CPB Length", "Length of the CPB_buffer/window_size in milliseconds",
1, 10000, DEFAULT_CPB_LENGTH,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT |
GST_VAAPI_PARAM_ENCODER_EXPOSURE);
g_object_class_install_properties (object_class, ENCODER_VP9_N_PROPERTIES,
properties);
gst_type_mark_as_plugin_api (g_class_data.rate_control_get_type (), 0);
gst_type_mark_as_plugin_api (g_class_data.encoder_tune_get_type (), 0);
}
/**
* gst_vaapi_encoder_vp9_new:
* @display: a #GstVaapiDisplay
*
* Creates a new #GstVaapiEncoder for VP9 encoding.
*
* Return value: the newly allocated #GstVaapiEncoder object
*/
GstVaapiEncoder *
gst_vaapi_encoder_vp9_new (GstVaapiDisplay * display)
{
return g_object_new (GST_TYPE_VAAPI_ENCODER_VP9, "display", display, NULL);
}
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