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gstreamer/gst-libs/gst/vaapi/gstvaapiencoder_h264.c
Wind Yuan 652245fb87 encoder: add h264 encoder. 
Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
2013-11-24 16:52:05 +01:00

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/*
* gstvaapiencoder_h264.c - H.264 encoder
*
* Copyright (C) 2012 -2013 Intel Corporation
*
* 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 "gstvaapicompat.h"
#include "gstvaapiencoder_h264.h"
#include "gstvaapiencoder_h264_priv.h"
#include "gstvaapiencoder_priv.h"
#include <va/va.h>
#include <va/va_enc_h264.h>
#include "gstvaapicontext.h"
#include "gstvaapisurface.h"
#include "gstvaapidisplay_priv.h"
#define DEBUG 1
#include "gstvaapidebug.h"
#define GST_VAAPI_ENCODER_H264_NAL_REF_IDC_NONE 0
#define GST_VAAPI_ENCODER_H264_NAL_REF_IDC_LOW 1
#define GST_VAAPI_ENCODER_H264_NAL_REF_IDC_MEDIUM 2
#define GST_VAAPI_ENCODER_H264_NAL_REF_IDC_HIGH 3
typedef enum
{
GST_VAAPI_ENCODER_H264_ENTROPY_MODE_CAVLC = 0,
GST_VAAPI_ENCODER_H264_ENTROPY_MODE_CABAC = 1
} GstVaapiEncoderH264EntropyMode;
typedef enum
{
GST_VAAPI_ENCODER_H264_NAL_UNKNOWN = 0,
GST_VAAPI_ENCODER_H264_NAL_NON_IDR = 1,
GST_VAAPI_ENCODER_H264_NAL_IDR = 5, /* ref_idc != 0 */
GST_VAAPI_ENCODER_H264_NAL_SEI = 6, /* ref_idc == 0 */
GST_VAAPI_ENCODER_H264_NAL_SPS = 7,
GST_VAAPI_ENCODER_H264_NAL_PPS = 8
} GstVaapiEncoderH264NalType;
typedef enum
{
SLICE_TYPE_P = 0,
SLICE_TYPE_B = 1,
SLICE_TYPE_I = 2
} H264_SLICE_TYPE;
typedef struct
{
GstVaapiSurfaceProxy *pic;
guint poc;
guint frame_num;
} GstVaapiEncoderH264Ref;
#define GST_VAAPI_H264_CAPS \
"video/x-h264, " \
"framerate = (fraction) [0/1, MAX], " \
"width = (int) [ 1, MAX ], " \
"height = (int) [ 1, MAX ], " \
"stream-format = (string) { avc, byte-stream }, " \
"alignment = (string) { au } "
typedef enum
{
GST_VAAPI_ENC_H264_REORD_NONE = 0,
GST_VAAPI_ENC_H264_REORD_DUMP_FRAMES = 1,
GST_VAAPI_ENC_H264_REORD_WAIT_FRAMES = 2
} GstVaapiEncH264ReorderState;
static inline gboolean
_poc_greater_than (guint poc1, guint poc2, guint max_poc)
{
return (((poc1 - poc2) & (max_poc - 1)) < max_poc / 2);
}
static inline guint8
_get_va_slice_type (GstVaapiPictureType type)
{
switch (type) {
case GST_VAAPI_PICTURE_TYPE_I:
return 2;
case GST_VAAPI_PICTURE_TYPE_P:
return 0;
case GST_VAAPI_PICTURE_TYPE_B:
return 1;
default:
return -1;
}
return -1;
}
static inline gboolean
_read_sps_attributes (const guint8 * sps_data,
guint32 sps_size,
guint32 * profile_idc, guint32 * profile_comp, guint32 * level_idc)
{
g_assert (profile_idc && profile_comp && level_idc);
g_assert (sps_size >= 4);
if (sps_size < 4) {
return FALSE;
}
/* skip sps_data[0], nal_type */
*profile_idc = sps_data[1];
*profile_comp = sps_data[2];
*level_idc = sps_data[3];
return TRUE;
}
static inline guint
_get_log2_max_frame_num (guint num)
{
guint ret = 0;
while (num) {
++ret;
num >>= 1;
}
if (ret <= 4)
ret = 4;
else if (ret > 10)
ret = 10;
/* must greater than 4 */
return ret;
}
static inline guint
_profile_to_value (GstVaapiProfile profile)
{
switch (profile) {
case GST_VAAPI_PROFILE_H264_BASELINE:
return 66;
case GST_VAAPI_PROFILE_H264_MAIN:
return 77;
case GST_VAAPI_PROFILE_H264_HIGH:
return 100;
default:
break;
}
return 0;
}
static inline void
_check_sps_pps_status (GstVaapiEncoderH264 * encoder,
const guint8 * nal, guint32 size)
{
guint8 nal_type;
gsize ret;
g_assert (size);
if (encoder->sps_data && encoder->pps_data)
return;
nal_type = nal[0] & 0x1F;
switch (nal_type) {
case GST_VAAPI_ENCODER_H264_NAL_SPS:
encoder->sps_data = gst_buffer_new_allocate (NULL, size, NULL);
ret = gst_buffer_fill (encoder->sps_data, 0, nal, size);
g_assert (ret == size);
break;
case GST_VAAPI_ENCODER_H264_NAL_PPS:
encoder->pps_data = gst_buffer_new_allocate (NULL, size, NULL);
ret = gst_buffer_fill (encoder->pps_data, 0, nal, size);
g_assert (ret == size);
break;
default:
break;
}
}
static void
_set_level (GstVaapiEncoderH264 * encoder)
{
guint pic_mb_size;
guint MaxDpbMbs, MaxMBPS;
guint dbp_level, mbps_level, profile_level;
if (encoder->level) {
if (encoder->level < GST_VAAPI_ENCODER_H264_LEVEL_10)
encoder->level = GST_VAAPI_ENCODER_H264_LEVEL_10;
else if (encoder->level > GST_VAAPI_ENCODER_H264_LEVEL_51)
encoder->level = GST_VAAPI_ENCODER_H264_LEVEL_51;
return;
}
/* calculate level */
pic_mb_size = ((GST_VAAPI_ENCODER_WIDTH (encoder) + 15) / 16) *
((GST_VAAPI_ENCODER_HEIGHT (encoder) + 15) / 16);
MaxDpbMbs = pic_mb_size * ((encoder->b_frame_num) ? 2 : 1);
MaxMBPS = pic_mb_size * GST_VAAPI_ENCODER_FPS_N (encoder) /
GST_VAAPI_ENCODER_FPS_D (encoder);
/* calculate from MaxDbpMbs */
if (MaxDpbMbs > 110400)
dbp_level = GST_VAAPI_ENCODER_H264_LEVEL_51;
else if (MaxDpbMbs > 34816)
dbp_level = GST_VAAPI_ENCODER_H264_LEVEL_50;
else if (MaxDpbMbs > 32768)
dbp_level = GST_VAAPI_ENCODER_H264_LEVEL_42;
else if (MaxDpbMbs > 20480) /* 41 or 40 */
dbp_level = GST_VAAPI_ENCODER_H264_LEVEL_41;
else if (MaxDpbMbs > 18000)
dbp_level = GST_VAAPI_ENCODER_H264_LEVEL_32;
else if (MaxDpbMbs > 8100)
dbp_level = GST_VAAPI_ENCODER_H264_LEVEL_31;
else if (MaxDpbMbs > 4752) /* 30 or 22 */
dbp_level = GST_VAAPI_ENCODER_H264_LEVEL_30;
else if (MaxDpbMbs > 2376)
dbp_level = GST_VAAPI_ENCODER_H264_LEVEL_21;
else if (MaxDpbMbs > 900) /* 20, 13, 12 */
dbp_level = GST_VAAPI_ENCODER_H264_LEVEL_20;
else if (MaxDpbMbs > 396)
dbp_level = GST_VAAPI_ENCODER_H264_LEVEL_11;
else
dbp_level = GST_VAAPI_ENCODER_H264_LEVEL_10;
/* calculate from Max Mb processing rate */
if (MaxMBPS > 589824)
mbps_level = GST_VAAPI_ENCODER_H264_LEVEL_51;
else if (MaxMBPS > 522240)
mbps_level = GST_VAAPI_ENCODER_H264_LEVEL_50;
else if (MaxMBPS > 245760)
mbps_level = GST_VAAPI_ENCODER_H264_LEVEL_42;
else if (MaxMBPS > 216000) /* 40 or 41 */
mbps_level = GST_VAAPI_ENCODER_H264_LEVEL_41;
else if (MaxMBPS > 108000)
mbps_level = GST_VAAPI_ENCODER_H264_LEVEL_32;
else if (MaxMBPS > 40500)
mbps_level = GST_VAAPI_ENCODER_H264_LEVEL_31;
else if (MaxMBPS > 20250)
mbps_level = GST_VAAPI_ENCODER_H264_LEVEL_30;
else if (MaxMBPS > 19800)
mbps_level = GST_VAAPI_ENCODER_H264_LEVEL_22;
else if (MaxMBPS > 11800)
mbps_level = GST_VAAPI_ENCODER_H264_LEVEL_21;
else if (MaxMBPS > 6000) /*13 or 20 */
mbps_level = GST_VAAPI_ENCODER_H264_LEVEL_20;
else if (MaxMBPS > 3000)
mbps_level = GST_VAAPI_ENCODER_H264_LEVEL_12;
else if (MaxMBPS > 1485)
mbps_level = GST_VAAPI_ENCODER_H264_LEVEL_11;
else
mbps_level = GST_VAAPI_ENCODER_H264_LEVEL_10;
if (encoder->profile == GST_VAAPI_PROFILE_H264_HIGH)
profile_level = GST_VAAPI_ENCODER_H264_LEVEL_41;
else if (encoder->profile == GST_VAAPI_PROFILE_H264_MAIN)
profile_level = GST_VAAPI_ENCODER_H264_LEVEL_30;
else
profile_level = GST_VAAPI_ENCODER_H264_LEVEL_20;
encoder->level = (dbp_level > mbps_level ? dbp_level : mbps_level);
if (encoder->level < profile_level)
encoder->level = profile_level;
}
static inline void
_reset_gop_start (GstVaapiEncoderH264 * encoder)
{
++encoder->idr_num;
encoder->frame_index = 1;
encoder->cur_frame_num = 0;
encoder->cur_present_index = 0;
}
static void
_set_b_frame (GstVaapiEncPicture * pic, GstVaapiEncoderH264 * encoder)
{
g_assert (pic && encoder);
g_return_if_fail (pic->type == GST_VAAPI_PICTURE_TYPE_NONE);
pic->type = GST_VAAPI_PICTURE_TYPE_B;
pic->frame_num = (encoder->cur_frame_num % encoder->max_frame_num);
}
static inline void
_set_p_frame (GstVaapiEncPicture * pic, GstVaapiEncoderH264 * encoder)
{
g_return_if_fail (pic->type == GST_VAAPI_PICTURE_TYPE_NONE);
pic->type = GST_VAAPI_PICTURE_TYPE_P;
pic->frame_num = (encoder->cur_frame_num % encoder->max_frame_num);
}
static inline void
_set_i_frame (GstVaapiEncPicture * pic, GstVaapiEncoderH264 * encoder)
{
g_return_if_fail (pic->type == GST_VAAPI_PICTURE_TYPE_NONE);
pic->type = GST_VAAPI_PICTURE_TYPE_I;
pic->frame_num = (encoder->cur_frame_num % encoder->max_frame_num);
g_assert (GST_VAAPI_ENC_PICTURE_GET_FRAME (pic));
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (GST_VAAPI_ENC_PICTURE_GET_FRAME (pic));
}
static inline void
_set_idr_frame (GstVaapiEncPicture * pic, GstVaapiEncoderH264 * encoder)
{
g_return_if_fail (pic->type == GST_VAAPI_PICTURE_TYPE_NONE);
pic->type = GST_VAAPI_PICTURE_TYPE_I;
pic->frame_num = 0;
pic->poc = 0;
GST_VAAPI_ENC_PICTURE_FLAG_SET (pic, GST_VAAPI_ENC_PICTURE_FLAG_IDR);
g_assert (GST_VAAPI_ENC_PICTURE_GET_FRAME (pic));
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (GST_VAAPI_ENC_PICTURE_GET_FRAME (pic));
}
static inline void
_set_key_frame (GstVaapiEncPicture * picture,
GstVaapiEncoderH264 * encoder, gboolean is_idr)
{
if (is_idr) {
_reset_gop_start (encoder);
_set_idr_frame (picture, encoder);
} else
_set_i_frame (picture, encoder);
}
gboolean
gst_bit_writer_put_ue (GstBitWriter * bitwriter, guint32 value)
{
guint32 size_in_bits = 0;
guint32 tmp_value = ++value;
while (tmp_value) {
++size_in_bits;
tmp_value >>= 1;
}
if (size_in_bits > 1
&& !gst_bit_writer_put_bits_uint32 (bitwriter, 0, size_in_bits - 1))
return FALSE;
if (!gst_bit_writer_put_bits_uint32 (bitwriter, value, size_in_bits))
return FALSE;
return TRUE;
}
gboolean
gst_bit_writer_put_se (GstBitWriter * bitwriter, gint32 value)
{
guint32 new_val;
if (value <= 0)
new_val = -(value << 1);
else
new_val = (value << 1) - 1;
if (!gst_bit_writer_put_ue (bitwriter, new_val))
return FALSE;
return TRUE;
}
static gboolean
gst_bit_writer_write_nal_header (GstBitWriter * bitwriter,
guint32 nal_ref_idc, guint32 nal_unit_type)
{
gst_bit_writer_put_bits_uint32 (bitwriter, 0, 1);
gst_bit_writer_put_bits_uint32 (bitwriter, nal_ref_idc, 2);
gst_bit_writer_put_bits_uint32 (bitwriter, nal_unit_type, 5);
return TRUE;
}
static gboolean
gst_bit_writer_write_trailing_bits (GstBitWriter * bitwriter)
{
gst_bit_writer_put_bits_uint32 (bitwriter, 1, 1);
gst_bit_writer_align_bytes_unchecked (bitwriter, 0);
return TRUE;
}
static gboolean
gst_bit_writer_write_sps (GstBitWriter * bitwriter,
VAEncSequenceParameterBufferH264 * seq, GstVaapiProfile profile)
{
guint32 constraint_set0_flag, constraint_set1_flag;
guint32 constraint_set2_flag, constraint_set3_flag;
guint32 gaps_in_frame_num_value_allowed_flag = 0; // ??
gboolean nal_hrd_parameters_present_flag;
guint32 b_qpprime_y_zero_transform_bypass = 0;
guint32 residual_color_transform_flag = 0;
guint32 pic_height_in_map_units =
(seq->seq_fields.bits.frame_mbs_only_flag ?
seq->picture_height_in_mbs : seq->picture_height_in_mbs / 2);
guint32 mb_adaptive_frame_field = !seq->seq_fields.bits.frame_mbs_only_flag;
guint32 i = 0;
constraint_set0_flag = profile == GST_VAAPI_PROFILE_H264_BASELINE;
constraint_set1_flag = profile <= GST_VAAPI_PROFILE_H264_MAIN;
constraint_set2_flag = 0;
constraint_set3_flag = 0;
/* profile_idc */
gst_bit_writer_put_bits_uint32 (bitwriter, _profile_to_value (profile), 8);
/* constraint_set0_flag */
gst_bit_writer_put_bits_uint32 (bitwriter, constraint_set0_flag, 1);
/* constraint_set1_flag */
gst_bit_writer_put_bits_uint32 (bitwriter, constraint_set1_flag, 1);
/* constraint_set2_flag */
gst_bit_writer_put_bits_uint32 (bitwriter, constraint_set2_flag, 1);
/* constraint_set3_flag */
gst_bit_writer_put_bits_uint32 (bitwriter, constraint_set3_flag, 1);
/* reserved_zero_4bits */
gst_bit_writer_put_bits_uint32 (bitwriter, 0, 4);
/* level_idc */
gst_bit_writer_put_bits_uint32 (bitwriter, seq->level_idc, 8);
/* seq_parameter_set_id */
gst_bit_writer_put_ue (bitwriter, seq->seq_parameter_set_id);
if (profile == GST_VAAPI_PROFILE_H264_HIGH) {
/* for high profile */
/* chroma_format_idc = 1, 4:2:0 */
gst_bit_writer_put_ue (bitwriter, seq->seq_fields.bits.chroma_format_idc);
if (3 == seq->seq_fields.bits.chroma_format_idc) {
gst_bit_writer_put_bits_uint32 (bitwriter, residual_color_transform_flag,
1);
}
/* bit_depth_luma_minus8 */
gst_bit_writer_put_ue (bitwriter, seq->bit_depth_luma_minus8);
/* bit_depth_chroma_minus8 */
gst_bit_writer_put_ue (bitwriter, seq->bit_depth_chroma_minus8);
/* b_qpprime_y_zero_transform_bypass */
gst_bit_writer_put_bits_uint32 (bitwriter,
b_qpprime_y_zero_transform_bypass, 1);
g_assert (seq->seq_fields.bits.seq_scaling_matrix_present_flag == 0);
/*seq_scaling_matrix_present_flag */
gst_bit_writer_put_bits_uint32 (bitwriter,
seq->seq_fields.bits.seq_scaling_matrix_present_flag, 1);
#if 0
if (seq->seq_fields.bits.seq_scaling_matrix_present_flag) {
for (i = 0; i < (seq->seq_fields.bits.chroma_format_idc != 3 ? 8 : 12);
i++) {
gst_bit_writer_put_bits_uint8 (bitwriter,
seq->seq_fields.bits.seq_scaling_list_present_flag, 1);
if (seq->seq_fields.bits.seq_scaling_list_present_flag) {
g_assert (0);
/* FIXME, need write scaling list if seq_scaling_matrix_present_flag ==1 */
}
}
}
#endif
}
/* log2_max_frame_num_minus4 */
gst_bit_writer_put_ue (bitwriter,
seq->seq_fields.bits.log2_max_frame_num_minus4);
/* pic_order_cnt_type */
gst_bit_writer_put_ue (bitwriter, seq->seq_fields.bits.pic_order_cnt_type);
if (seq->seq_fields.bits.pic_order_cnt_type == 0) {
/* log2_max_pic_order_cnt_lsb_minus4 */
gst_bit_writer_put_ue (bitwriter,
seq->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4);
} else if (seq->seq_fields.bits.pic_order_cnt_type == 1) {
g_assert (0);
gst_bit_writer_put_bits_uint32 (bitwriter,
seq->seq_fields.bits.delta_pic_order_always_zero_flag, 1);
gst_bit_writer_put_se (bitwriter, seq->offset_for_non_ref_pic);
gst_bit_writer_put_se (bitwriter, seq->offset_for_top_to_bottom_field);
gst_bit_writer_put_ue (bitwriter,
seq->num_ref_frames_in_pic_order_cnt_cycle);
for (i = 0; i < seq->num_ref_frames_in_pic_order_cnt_cycle; i++) {
gst_bit_writer_put_se (bitwriter, seq->offset_for_ref_frame[i]);
}
}
/* num_ref_frames */
gst_bit_writer_put_ue (bitwriter, seq->max_num_ref_frames);
/* gaps_in_frame_num_value_allowed_flag */
gst_bit_writer_put_bits_uint32 (bitwriter,
gaps_in_frame_num_value_allowed_flag, 1);
/* pic_width_in_mbs_minus1 */
gst_bit_writer_put_ue (bitwriter, seq->picture_width_in_mbs - 1);
/* pic_height_in_map_units_minus1 */
gst_bit_writer_put_ue (bitwriter, pic_height_in_map_units - 1);
/* frame_mbs_only_flag */
gst_bit_writer_put_bits_uint32 (bitwriter,
seq->seq_fields.bits.frame_mbs_only_flag, 1);
if (!seq->seq_fields.bits.frame_mbs_only_flag) { //ONLY mbs
g_assert (0);
gst_bit_writer_put_bits_uint32 (bitwriter, mb_adaptive_frame_field, 1);
}
/* direct_8x8_inference_flag */
gst_bit_writer_put_bits_uint32 (bitwriter, 0, 1);
/* frame_cropping_flag */
gst_bit_writer_put_bits_uint32 (bitwriter, seq->frame_cropping_flag, 1);
if (seq->frame_cropping_flag) {
/* frame_crop_left_offset */
gst_bit_writer_put_ue (bitwriter, seq->frame_crop_left_offset);
/* frame_crop_right_offset */
gst_bit_writer_put_ue (bitwriter, seq->frame_crop_right_offset);
/* frame_crop_top_offset */
gst_bit_writer_put_ue (bitwriter, seq->frame_crop_top_offset);
/* frame_crop_bottom_offset */
gst_bit_writer_put_ue (bitwriter, seq->frame_crop_bottom_offset);
}
/* vui_parameters_present_flag */
gst_bit_writer_put_bits_uint32 (bitwriter, seq->vui_parameters_present_flag,
1);
if (seq->vui_parameters_present_flag) {
/* aspect_ratio_info_present_flag */
gst_bit_writer_put_bits_uint32 (bitwriter,
seq->vui_fields.bits.aspect_ratio_info_present_flag, 1);
if (seq->vui_fields.bits.aspect_ratio_info_present_flag) {
gst_bit_writer_put_bits_uint32 (bitwriter, seq->aspect_ratio_idc, 8);
if (seq->aspect_ratio_idc == 0xFF) {
gst_bit_writer_put_bits_uint32 (bitwriter, seq->sar_width, 16);
gst_bit_writer_put_bits_uint32 (bitwriter, seq->sar_height, 16);
}
}
/* overscan_info_present_flag */
gst_bit_writer_put_bits_uint32 (bitwriter, 0, 1);
/* video_signal_type_present_flag */
gst_bit_writer_put_bits_uint32 (bitwriter, 0, 1);
/* chroma_loc_info_present_flag */
gst_bit_writer_put_bits_uint32 (bitwriter, 0, 1);
/* timing_info_present_flag */
gst_bit_writer_put_bits_uint32 (bitwriter,
seq->vui_fields.bits.timing_info_present_flag, 1);
if (seq->vui_fields.bits.timing_info_present_flag) {
gst_bit_writer_put_bits_uint32 (bitwriter, seq->num_units_in_tick, 32);
gst_bit_writer_put_bits_uint32 (bitwriter, seq->time_scale, 32);
gst_bit_writer_put_bits_uint32 (bitwriter, 1, 1); /* fixed_frame_rate_flag */
}
nal_hrd_parameters_present_flag = (seq->bits_per_second > 0 ? TRUE : FALSE);
/* nal_hrd_parameters_present_flag */
gst_bit_writer_put_bits_uint32 (bitwriter, nal_hrd_parameters_present_flag,
1);
if (nal_hrd_parameters_present_flag) {
/* hrd_parameters */
/* cpb_cnt_minus1 */
gst_bit_writer_put_ue (bitwriter, 0);
gst_bit_writer_put_bits_uint32 (bitwriter, 4, 4); /* bit_rate_scale */
gst_bit_writer_put_bits_uint32 (bitwriter, 6, 4); /* cpb_size_scale */
for (i = 0; i < 1; ++i) {
/* bit_rate_value_minus1[0] */
gst_bit_writer_put_ue (bitwriter, seq->bits_per_second / 1024 - 1);
/* cpb_size_value_minus1[0] */
gst_bit_writer_put_ue (bitwriter, seq->bits_per_second / 1024 * 8 - 1);
/* cbr_flag[0] */
gst_bit_writer_put_bits_uint32 (bitwriter, 1, 1);
}
/* initial_cpb_removal_delay_length_minus1 */
gst_bit_writer_put_bits_uint32 (bitwriter, 23, 5);
/* cpb_removal_delay_length_minus1 */
gst_bit_writer_put_bits_uint32 (bitwriter, 23, 5);
/* dpb_output_delay_length_minus1 */
gst_bit_writer_put_bits_uint32 (bitwriter, 23, 5);
/* time_offset_length */
gst_bit_writer_put_bits_uint32 (bitwriter, 23, 5);
}
/* vcl_hrd_parameters_present_flag */
gst_bit_writer_put_bits_uint32 (bitwriter, 0, 1);
if (nal_hrd_parameters_present_flag
|| 0 /*vcl_hrd_parameters_present_flag */ ) {
/* low_delay_hrd_flag */
gst_bit_writer_put_bits_uint32 (bitwriter, 0, 1);
}
/* pic_struct_present_flag */
gst_bit_writer_put_bits_uint32 (bitwriter, 0, 1);
/* bitwriter_restriction_flag */
gst_bit_writer_put_bits_uint32 (bitwriter, 0, 1);
}
/* rbsp_trailing_bits */
gst_bit_writer_write_trailing_bits (bitwriter);
return TRUE;
}
static gboolean
gst_bit_writer_write_pps (GstBitWriter * bitwriter,
VAEncPictureParameterBufferH264 * pic)
{
guint32 num_slice_groups_minus1 = 0;
guint32 pic_init_qs_minus26 = 0;
guint32 redundant_pic_cnt_present_flag = 0;
/* pic_parameter_set_id */
gst_bit_writer_put_ue (bitwriter, pic->pic_parameter_set_id);
/* seq_parameter_set_id */
gst_bit_writer_put_ue (bitwriter, pic->seq_parameter_set_id);
/* entropy_coding_mode_flag */
gst_bit_writer_put_bits_uint32 (bitwriter,
pic->pic_fields.bits.entropy_coding_mode_flag, 1);
/* pic_order_present_flag */
gst_bit_writer_put_bits_uint32 (bitwriter,
pic->pic_fields.bits.pic_order_present_flag, 1);
/*slice_groups-1 */
gst_bit_writer_put_ue (bitwriter, num_slice_groups_minus1);
if (num_slice_groups_minus1 > 0) {
/*FIXME*/ g_assert (0);
}
gst_bit_writer_put_ue (bitwriter, pic->num_ref_idx_l0_active_minus1);
gst_bit_writer_put_ue (bitwriter, pic->num_ref_idx_l1_active_minus1);
gst_bit_writer_put_bits_uint32 (bitwriter,
pic->pic_fields.bits.weighted_pred_flag, 1);
gst_bit_writer_put_bits_uint32 (bitwriter,
pic->pic_fields.bits.weighted_bipred_idc, 2);
/* pic_init_qp_minus26 */
gst_bit_writer_put_se (bitwriter, pic->pic_init_qp - 26);
/* pic_init_qs_minus26 */
gst_bit_writer_put_se (bitwriter, pic_init_qs_minus26);
/*chroma_qp_index_offset */
gst_bit_writer_put_se (bitwriter, pic->chroma_qp_index_offset);
gst_bit_writer_put_bits_uint32 (bitwriter,
pic->pic_fields.bits.deblocking_filter_control_present_flag, 1);
gst_bit_writer_put_bits_uint32 (bitwriter,
pic->pic_fields.bits.constrained_intra_pred_flag, 1);
gst_bit_writer_put_bits_uint32 (bitwriter, redundant_pic_cnt_present_flag, 1);
/*more_rbsp_data */
gst_bit_writer_put_bits_uint32 (bitwriter,
pic->pic_fields.bits.transform_8x8_mode_flag, 1);
gst_bit_writer_put_bits_uint32 (bitwriter,
pic->pic_fields.bits.pic_scaling_matrix_present_flag, 1);
if (pic->pic_fields.bits.pic_scaling_matrix_present_flag) {
g_assert (0);
/* FIXME */
/*
for (i = 0; i <
(6+(-( (chroma_format_idc ! = 3) ? 2 : 6) * -pic->pic_fields.bits.transform_8x8_mode_flag));
i++) {
gst_bit_writer_put_bits_uint8(bitwriter, pic->pic_fields.bits.pic_scaling_list_present_flag, 1);
}
*/
}
gst_bit_writer_put_se (bitwriter, pic->second_chroma_qp_index_offset);
gst_bit_writer_write_trailing_bits (bitwriter);
return TRUE;
}
static gboolean
add_sequence_packed_header (GstVaapiEncoderH264 * encoder,
GstVaapiEncPicture * picture, GstVaapiEncSequence * sequence)
{
GstVaapiEncPackedHeader *packed_seq;
GstBitWriter writer;
VAEncPackedHeaderParameterBuffer packed_header_param_buffer = { 0 };
VAEncSequenceParameterBufferH264 *seq_param = sequence->param;
guint32 data_bit_size;
guint8 *data;
gst_bit_writer_init (&writer, 128 * 8);
gst_bit_writer_put_bits_uint32 (&writer, 0x00000001, 32); /* start code */
gst_bit_writer_write_nal_header (&writer,
GST_VAAPI_ENCODER_H264_NAL_REF_IDC_HIGH, GST_VAAPI_ENCODER_H264_NAL_SPS);
gst_bit_writer_write_sps (&writer, seq_param, encoder->profile);
g_assert (GST_BIT_WRITER_BIT_SIZE (&writer) % 8 == 0);
data_bit_size = GST_BIT_WRITER_BIT_SIZE (&writer);
data = GST_BIT_WRITER_DATA (&writer);
packed_header_param_buffer.type = VAEncPackedHeaderSequence;
packed_header_param_buffer.bit_length = data_bit_size;
packed_header_param_buffer.has_emulation_bytes = 0;
packed_seq = gst_vaapi_enc_packed_header_new (GST_VAAPI_ENCODER (encoder),
&packed_header_param_buffer, sizeof (packed_header_param_buffer),
data, (data_bit_size + 7) / 8);
g_assert (packed_seq);
gst_vaapi_enc_picture_add_packed_header (picture, packed_seq);
gst_vaapi_mini_object_replace ((GstVaapiMiniObject **) & packed_seq, NULL);
/* store sps data */
_check_sps_pps_status (encoder, data + 4, data_bit_size / 8 - 4);
gst_bit_writer_clear (&writer, TRUE);
return TRUE;
}
static gboolean
add_picture_packed_header (GstVaapiEncoderH264 * encoder,
GstVaapiEncPicture * picture)
{
GstVaapiEncPackedHeader *packed_pic;
GstBitWriter writer;
VAEncPackedHeaderParameterBuffer packed_header_param_buffer = { 0 };
VAEncPictureParameterBufferH264 *pic_param = picture->param;
guint32 data_bit_size;
guint8 *data;
gst_bit_writer_init (&writer, 128 * 8);
gst_bit_writer_put_bits_uint32 (&writer, 0x00000001, 32); /* start code */
gst_bit_writer_write_nal_header (&writer,
GST_VAAPI_ENCODER_H264_NAL_REF_IDC_HIGH, GST_VAAPI_ENCODER_H264_NAL_PPS);
gst_bit_writer_write_pps (&writer, pic_param);
g_assert (GST_BIT_WRITER_BIT_SIZE (&writer) % 8 == 0);
data_bit_size = GST_BIT_WRITER_BIT_SIZE (&writer);
data = GST_BIT_WRITER_DATA (&writer);
packed_header_param_buffer.type = VAEncPackedHeaderPicture;
packed_header_param_buffer.bit_length = data_bit_size;
packed_header_param_buffer.has_emulation_bytes = 0;
packed_pic = gst_vaapi_enc_packed_header_new (GST_VAAPI_ENCODER (encoder),
&packed_header_param_buffer, sizeof (packed_header_param_buffer),
data, (data_bit_size + 7) / 8);
g_assert (packed_pic);
gst_vaapi_enc_picture_add_packed_header (picture, packed_pic);
gst_vaapi_mini_object_replace ((GstVaapiMiniObject **) & packed_pic, NULL);
/* store pps data */
_check_sps_pps_status (encoder, data + 4, data_bit_size / 8 - 4);
gst_bit_writer_clear (&writer, TRUE);
return TRUE;
}
/* reference picture management */
static void
reference_pic_free (GstVaapiEncoderH264 * encoder, GstVaapiEncoderH264Ref * ref)
{
if (!ref)
return;
if (ref->pic)
gst_vaapi_encoder_release_surface (GST_VAAPI_ENCODER (encoder), ref->pic);
g_slice_free (GstVaapiEncoderH264Ref, ref);
}
static inline GstVaapiEncoderH264Ref *
reference_pic_create (GstVaapiEncoderH264 * encoder,
GstVaapiEncPicture * picture, GstVaapiSurfaceProxy * surface)
{
GstVaapiEncoderH264Ref *ref = g_slice_new0 (GstVaapiEncoderH264Ref);
ref->pic = surface;
ref->frame_num = picture->frame_num;
ref->poc = picture->poc;
return ref;
}
static gboolean
reference_list_update (GstVaapiEncoderH264 * encoder,
GstVaapiEncPicture * picture, GstVaapiSurfaceProxy * surface)
{
GstVaapiEncoderH264Ref *ref;
if (GST_VAAPI_PICTURE_TYPE_B == picture->type) {
gst_vaapi_encoder_release_surface (GST_VAAPI_ENCODER (encoder), surface);
return TRUE;
}
if (GST_VAAPI_ENC_PICTURE_IS_IDR (picture)) {
while (!g_queue_is_empty (&encoder->ref_list))
reference_pic_free (encoder, g_queue_pop_head (&encoder->ref_list));
} else if (g_queue_get_length (&encoder->ref_list) >= encoder->max_ref_num) {
reference_pic_free (encoder, g_queue_pop_head (&encoder->ref_list));
}
ref = reference_pic_create (encoder, picture, surface);
g_queue_push_tail (&encoder->ref_list, ref);
g_assert (g_queue_get_length (&encoder->ref_list) <= encoder->max_ref_num);
return TRUE;
}
static gboolean
reference_list_init (GstVaapiEncoderH264 * encoder,
GstVaapiEncPicture * picture,
GstVaapiEncoderH264Ref ** reflist_0,
guint * reflist_0_count,
GstVaapiEncoderH264Ref ** reflist_1, guint * reflist_1_count)
{
GstVaapiEncoderH264Ref *tmp;
GList *iter, *list_0_start = NULL, *list_1_start = NULL;
guint max_pic_order_cnt = (1 << encoder->log2_max_pic_order_cnt);
guint count;
*reflist_0_count = 0;
*reflist_1_count = 0;
if (picture->type == GST_VAAPI_PICTURE_TYPE_I)
return TRUE;
iter = g_queue_peek_tail_link (&encoder->ref_list);
for (; iter; iter = g_list_previous (iter)) {
tmp = (GstVaapiEncoderH264Ref *) iter->data;
g_assert (tmp && tmp->poc != picture->poc);
if (_poc_greater_than (picture->poc, tmp->poc, max_pic_order_cnt)) {
list_0_start = iter;
list_1_start = g_list_next (iter);
break;
}
}
/* order reflist_0 */
g_assert (list_0_start);
iter = list_0_start;
count = 0;
for (; iter; iter = g_list_previous (iter)) {
reflist_0[count] = (GstVaapiEncoderH264Ref *) iter->data;
++count;
}
*reflist_0_count = count;
if (picture->type != GST_VAAPI_PICTURE_TYPE_B)
return TRUE;
/* order reflist_1 */
count = 0;
iter = list_1_start;
for (; iter; iter = g_list_next (iter)) {
reflist_1[count] = (GstVaapiEncoderH264Ref *) iter->data;
++count;
}
*reflist_1_count = count;
return TRUE;
}
/* fill the H264 VA encoding parameters */
static gboolean
fill_va_sequence_param (GstVaapiEncoderH264 * encoder,
GstVaapiEncSequence * sequence)
{
VAEncSequenceParameterBufferH264 *seq = sequence->param;
guint width_in_mbs, height_in_mbs;
width_in_mbs = (GST_VAAPI_ENCODER_WIDTH (encoder) + 15) / 16;
height_in_mbs = (GST_VAAPI_ENCODER_HEIGHT (encoder) + 15) / 16;
memset (seq, 0, sizeof (VAEncSequenceParameterBufferH264));
seq->seq_parameter_set_id = 0;
seq->level_idc = encoder->level;
seq->intra_period = encoder->intra_period;
seq->ip_period = 0; // ?
if (encoder->bitrate > 0)
seq->bits_per_second = encoder->bitrate * 1024;
else
seq->bits_per_second = 0;
seq->max_num_ref_frames = encoder->max_ref_num;
seq->picture_width_in_mbs = width_in_mbs;
seq->picture_height_in_mbs = height_in_mbs;
/*sequence field values */
seq->seq_fields.value = 0;
seq->seq_fields.bits.chroma_format_idc = 1;
seq->seq_fields.bits.frame_mbs_only_flag = 1;
seq->seq_fields.bits.mb_adaptive_frame_field_flag = FALSE;
seq->seq_fields.bits.seq_scaling_matrix_present_flag = FALSE;
/* direct_8x8_inference_flag default false */
seq->seq_fields.bits.direct_8x8_inference_flag = FALSE;
g_assert (encoder->log2_max_frame_num >= 4);
seq->seq_fields.bits.log2_max_frame_num_minus4 =
encoder->log2_max_frame_num - 4;
/* picture order count */
seq->seq_fields.bits.pic_order_cnt_type = 0;
g_assert (encoder->log2_max_pic_order_cnt >= 4);
seq->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4 =
encoder->log2_max_pic_order_cnt - 4;
seq->bit_depth_luma_minus8 = 0;
seq->bit_depth_chroma_minus8 = 0;
/* not used if pic_order_cnt_type == 0 */
if (seq->seq_fields.bits.pic_order_cnt_type == 1) {
seq->seq_fields.bits.delta_pic_order_always_zero_flag = TRUE;
seq->num_ref_frames_in_pic_order_cnt_cycle = 0;
seq->offset_for_non_ref_pic = 0;
seq->offset_for_top_to_bottom_field = 0;
memset (seq->offset_for_ref_frame, 0, sizeof (seq->offset_for_ref_frame));
}
if (height_in_mbs * 16 - GST_VAAPI_ENCODER_HEIGHT (encoder)) {
seq->frame_cropping_flag = 1;
seq->frame_crop_left_offset = 0;
seq->frame_crop_right_offset = 0;
seq->frame_crop_top_offset = 0;
seq->frame_crop_bottom_offset =
((height_in_mbs * 16 - GST_VAAPI_ENCODER_HEIGHT (encoder)) /
(2 * (!seq->seq_fields.bits.frame_mbs_only_flag + 1)));
}
/*vui not set */
seq->vui_parameters_present_flag = (encoder->bitrate > 0 ? TRUE : FALSE);
if (seq->vui_parameters_present_flag) {
seq->vui_fields.bits.aspect_ratio_info_present_flag = FALSE;
seq->vui_fields.bits.bitstream_restriction_flag = FALSE;
seq->vui_fields.bits.timing_info_present_flag =
(encoder->bitrate > 0 ? TRUE : FALSE);
if (seq->vui_fields.bits.timing_info_present_flag) {
seq->num_units_in_tick = GST_VAAPI_ENCODER_FPS_D (encoder);
seq->time_scale = GST_VAAPI_ENCODER_FPS_N (encoder) * 2;
}
}
return TRUE;
}
static gboolean
fill_va_picture_param (GstVaapiEncoderH264 * encoder,
GstVaapiEncPicture * picture,
GstVaapiCodedBuffer * codedbuf, GstVaapiSurfaceProxy * surface)
{
VAEncPictureParameterBufferH264 *pic = picture->param;
GstVaapiEncoderH264Ref *ref_pic;
GList *reflist;
guint i;
memset (pic, 0, sizeof (VAEncPictureParameterBufferH264));
/* reference list, */
pic->CurrPic.picture_id = GST_VAAPI_SURFACE_PROXY_SURFACE_ID (surface);
pic->CurrPic.TopFieldOrderCnt = picture->poc;
i = 0;
if (picture->type != GST_VAAPI_PICTURE_TYPE_I) {
for (reflist = g_queue_peek_head_link (&encoder->ref_list);
reflist; reflist = g_list_next (reflist)) {
ref_pic = reflist->data;
g_assert (ref_pic && ref_pic->pic &&
GST_VAAPI_SURFACE_PROXY_SURFACE_ID (ref_pic->pic) != VA_INVALID_ID);
pic->ReferenceFrames[i].picture_id =
GST_VAAPI_SURFACE_PROXY_SURFACE_ID (ref_pic->pic);
++i;
}
g_assert (i <= 16 && i <= encoder->max_ref_num);
}
for (; i < 16; ++i) {
pic->ReferenceFrames[i].picture_id = VA_INVALID_ID;
}
pic->coded_buf = codedbuf->buf_id;
pic->pic_parameter_set_id = 0;
pic->seq_parameter_set_id = 0;
pic->last_picture = 0; /* means last encoding picture */
pic->frame_num = picture->frame_num;
pic->pic_init_qp = encoder->init_qp;
pic->num_ref_idx_l0_active_minus1 =
(encoder->max_reflist0_count ? (encoder->max_reflist0_count - 1) : 0);
pic->num_ref_idx_l1_active_minus1 =
(encoder->max_reflist1_count ? (encoder->max_reflist1_count - 1) : 0);
pic->chroma_qp_index_offset = 0;
pic->second_chroma_qp_index_offset = 0;
/* set picture fields */
pic->pic_fields.value = 0;
pic->pic_fields.bits.idr_pic_flag = GST_VAAPI_ENC_PICTURE_IS_IDR (picture);
pic->pic_fields.bits.reference_pic_flag =
(picture->type != GST_VAAPI_PICTURE_TYPE_B);
pic->pic_fields.bits.entropy_coding_mode_flag =
GST_VAAPI_ENCODER_H264_ENTROPY_MODE_CABAC;
pic->pic_fields.bits.weighted_pred_flag = FALSE;
pic->pic_fields.bits.weighted_bipred_idc = 0;
pic->pic_fields.bits.constrained_intra_pred_flag = 0;
pic->pic_fields.bits.transform_8x8_mode_flag = (encoder->profile >= GST_VAAPI_PROFILE_H264_HIGH); /* enable 8x8 */
/* enable debloking */
pic->pic_fields.bits.deblocking_filter_control_present_flag = TRUE;
pic->pic_fields.bits.redundant_pic_cnt_present_flag = FALSE;
/* bottom_field_pic_order_in_frame_present_flag */
pic->pic_fields.bits.pic_order_present_flag = FALSE;
pic->pic_fields.bits.pic_scaling_matrix_present_flag = FALSE;
return TRUE;
}
static gboolean
fill_va_slices_param (GstVaapiEncoderH264 * encoder,
GstVaapiEncPicture * picture,
GstVaapiEncoderH264Ref ** reflist_0,
guint reflist_0_count,
GstVaapiEncoderH264Ref ** reflist_1, guint reflist_1_count)
{
VAEncSliceParameterBufferH264 *slice_param;
GstVaapiEncSlice *slice;
guint width_in_mbs, height_in_mbs;
guint slice_of_mbs, slice_mod_mbs, cur_slice_mbs;
guint total_mbs;
guint last_mb_index;
guint i_slice, i_ref;
g_assert (picture);
width_in_mbs = (GST_VAAPI_ENCODER_WIDTH (encoder) + 15) / 16;
height_in_mbs = (GST_VAAPI_ENCODER_HEIGHT (encoder) + 15) / 16;
total_mbs = width_in_mbs * height_in_mbs;
g_assert (encoder->slice_num && encoder->slice_num < total_mbs);
slice_of_mbs = total_mbs / encoder->slice_num;
slice_mod_mbs = total_mbs % encoder->slice_num;
last_mb_index = 0;
for (i_slice = 0; i_slice < encoder->slice_num; ++i_slice) {
cur_slice_mbs = slice_of_mbs;
if (slice_mod_mbs) {
++cur_slice_mbs;
--slice_mod_mbs;
}
slice = GST_VAAPI_ENC_SLICE_NEW (H264, encoder);
g_assert (slice && slice->param_id != VA_INVALID_ID);
slice_param = slice->param;
memset (slice_param, 0, sizeof (VAEncSliceParameterBufferH264));
slice_param->macroblock_address = last_mb_index;
slice_param->num_macroblocks = cur_slice_mbs;
slice_param->macroblock_info = VA_INVALID_ID;
slice_param->slice_type = _get_va_slice_type (picture->type);
g_assert (slice_param->slice_type != -1);
slice_param->pic_parameter_set_id = 0;
slice_param->idr_pic_id = encoder->idr_num;
slice_param->pic_order_cnt_lsb = picture->poc;
/* not used if pic_order_cnt_type = 0 */
slice_param->delta_pic_order_cnt_bottom = 0;
memset (slice_param->delta_pic_order_cnt,
0, sizeof (slice_param->delta_pic_order_cnt));
/*only works for B frames */
slice_param->direct_spatial_mv_pred_flag = FALSE;
/* default equal to picture parameters */
slice_param->num_ref_idx_active_override_flag = FALSE;
if (picture->type != GST_VAAPI_PICTURE_TYPE_I && reflist_0_count > 0)
slice_param->num_ref_idx_l0_active_minus1 = reflist_0_count - 1;
else
slice_param->num_ref_idx_l0_active_minus1 = 0;
if (picture->type == GST_VAAPI_PICTURE_TYPE_B && reflist_1_count > 0)
slice_param->num_ref_idx_l1_active_minus1 = reflist_1_count - 1;
else
slice_param->num_ref_idx_l1_active_minus1 = 0;
g_assert (slice_param->num_ref_idx_l0_active_minus1 == 0);
g_assert (slice_param->num_ref_idx_l1_active_minus1 == 0);
i_ref = 0;
if (picture->type != GST_VAAPI_PICTURE_TYPE_I) {
for (; i_ref < reflist_0_count; ++i_ref) {
slice_param->RefPicList0[i_ref].picture_id =
GST_VAAPI_SURFACE_PROXY_SURFACE_ID (reflist_0[i_ref]->pic);
}
g_assert (i_ref == 1);
}
for (;
i_ref <
sizeof (slice_param->RefPicList0) /
sizeof (slice_param->RefPicList0[0]); ++i_ref) {
slice_param->RefPicList0[i_ref].picture_id = VA_INVALID_SURFACE;
}
i_ref = 0;
if (picture->type == GST_VAAPI_PICTURE_TYPE_B) {
for (; i_ref < reflist_1_count; ++i_ref) {
slice_param->RefPicList1[i_ref].picture_id =
GST_VAAPI_SURFACE_PROXY_SURFACE_ID (reflist_1[i_ref]->pic);
}
g_assert (i_ref == 1);
}
for (;
i_ref <
sizeof (slice_param->RefPicList1) /
sizeof (slice_param->RefPicList1[0]); ++i_ref) {
slice_param->RefPicList1[i_ref].picture_id = VA_INVALID_SURFACE;
}
/* not used if pic_param.pic_fields.bits.weighted_pred_flag == FALSE */
slice_param->luma_log2_weight_denom = 0;
slice_param->chroma_log2_weight_denom = 0;
slice_param->luma_weight_l0_flag = FALSE;
memset (slice_param->luma_weight_l0, 0,
sizeof (slice_param->luma_weight_l0));
memset (slice_param->luma_offset_l0, 0,
sizeof (slice_param->luma_offset_l0));
slice_param->chroma_weight_l0_flag = FALSE;
memset (slice_param->chroma_weight_l0, 0,
sizeof (slice_param->chroma_weight_l0));
memset (slice_param->chroma_offset_l0, 0,
sizeof (slice_param->chroma_offset_l0));
slice_param->luma_weight_l1_flag = FALSE;
memset (slice_param->luma_weight_l1, 0,
sizeof (slice_param->luma_weight_l1));
memset (slice_param->luma_offset_l1, 0,
sizeof (slice_param->luma_offset_l1));
slice_param->chroma_weight_l1_flag = FALSE;
memset (slice_param->chroma_weight_l1, 0,
sizeof (slice_param->chroma_weight_l1));
memset (slice_param->chroma_offset_l1, 0,
sizeof (slice_param->chroma_offset_l1));
slice_param->cabac_init_idc = 0;
slice_param->slice_qp_delta = encoder->init_qp - encoder->min_qp;
if (slice_param->slice_qp_delta > 4)
slice_param->slice_qp_delta = 4;
slice_param->disable_deblocking_filter_idc = 0;
slice_param->slice_alpha_c0_offset_div2 = 2;
slice_param->slice_beta_offset_div2 = 2;
/* set calculation for next slice */
last_mb_index += cur_slice_mbs;
gst_vaapi_enc_picture_add_slice (picture, slice);
gst_vaapi_mini_object_replace ((GstVaapiMiniObject **) & slice, NULL);
}
g_assert (last_mb_index == total_mbs);
return TRUE;
}
static gboolean
ensure_sequence (GstVaapiEncoderH264 * encoder, GstVaapiEncPicture * picture)
{
GstVaapiEncSequence *sequence;
g_assert (picture);
sequence = GST_VAAPI_ENC_SEQUENCE_NEW (H264, encoder);
g_assert (sequence);
if (!sequence)
goto error;
if (!fill_va_sequence_param (encoder, sequence))
goto error;
if (picture->type == GST_VAAPI_PICTURE_TYPE_I &&
!add_sequence_packed_header (encoder, picture, sequence))
goto error;
gst_vaapi_enc_picture_set_sequence (picture, sequence);
gst_vaapi_mini_object_replace ((GstVaapiMiniObject **) (&sequence), NULL);
return TRUE;
error:
gst_vaapi_mini_object_replace ((GstVaapiMiniObject **) (&sequence), NULL);
return FALSE;
}
static gboolean
ensure_picture (GstVaapiEncoderH264 * encoder,
GstVaapiEncPicture * picture,
GstVaapiCodedBufferProxy * buf_proxy, GstVaapiSurfaceProxy * surface)
{
GstVaapiCodedBuffer *codedbuf = buf_proxy->buffer;
if (!fill_va_picture_param (encoder, picture, codedbuf, surface))
return FALSE;
if (picture->type == GST_VAAPI_PICTURE_TYPE_I &&
!add_picture_packed_header (encoder, picture)) {
GST_ERROR ("set picture packed header failed");
return FALSE;
}
return TRUE;
}
static gboolean
ensure_slices (GstVaapiEncoderH264 * encoder, GstVaapiEncPicture * picture)
{
GstVaapiEncoderH264Ref *reflist_0[16];
GstVaapiEncoderH264Ref *reflist_1[16];
guint reflist_0_count = 0, reflist_1_count = 0;
g_assert (picture);
if (picture->type != GST_VAAPI_PICTURE_TYPE_I &&
!reference_list_init (encoder, picture,
reflist_0, &reflist_0_count, reflist_1, &reflist_1_count)) {
GST_ERROR ("reference list reorder failed");
return FALSE;
}
g_assert (reflist_0_count + reflist_1_count <= encoder->max_ref_num);
if (reflist_0_count > encoder->max_reflist0_count)
reflist_0_count = encoder->max_reflist0_count;
if (reflist_1_count > encoder->max_reflist1_count)
reflist_1_count = encoder->max_reflist1_count;
if (!fill_va_slices_param (encoder, picture,
reflist_0, reflist_0_count, reflist_1, reflist_1_count))
return FALSE;
return TRUE;
}
static gboolean
ensure_misc (GstVaapiEncoderH264 * encoder, GstVaapiEncPicture * picture)
{
GstVaapiEncMiscParam *misc = NULL;
VAEncMiscParameterHRD *hrd;
VAEncMiscParameterRateControl *rate_control;
/* add hrd */
misc = GST_VAAPI_ENC_MISC_PARAM_NEW (HRD, encoder);
g_assert (misc);
if (!misc)
return FALSE;
gst_vaapi_enc_picture_add_misc_buffer (picture, misc);
hrd = misc->impl;
if (encoder->bitrate > 0) {
hrd->initial_buffer_fullness = encoder->bitrate * 1024 * 4;
hrd->buffer_size = encoder->bitrate * 1024 * 8;
} else {
hrd->initial_buffer_fullness = 0;
hrd->buffer_size = 0;
}
gst_vaapi_mini_object_replace ((GstVaapiMiniObject **) & misc, NULL);
/* add ratecontrol */
if (GST_VAAPI_ENCODER_RATE_CONTROL (encoder) == GST_VAAPI_RATECONTROL_CBR ||
GST_VAAPI_ENCODER_RATE_CONTROL (encoder) == GST_VAAPI_RATECONTROL_VBR) {
misc = GST_VAAPI_ENC_MISC_PARAM_NEW (RateControl, encoder);
g_assert (misc);
if (!misc)
return FALSE;
gst_vaapi_enc_picture_add_misc_buffer (picture, misc);
rate_control = misc->impl;
memset (rate_control, 0, sizeof (VAEncMiscParameterRateControl));
if (encoder->bitrate)
rate_control->bits_per_second = encoder->bitrate * 1024;
else
rate_control->bits_per_second = 0;
rate_control->target_percentage = 70;
rate_control->window_size = 500;
rate_control->initial_qp = encoder->init_qp;
rate_control->min_qp = encoder->min_qp;
rate_control->basic_unit_size = 0;
gst_vaapi_mini_object_replace ((GstVaapiMiniObject **) & misc, NULL);
}
return TRUE;
}
gboolean
init_encoder_public_attributes (GstVaapiEncoderH264 * encoder)
{
guint width_mbs, height_mbs, total_mbs;
if (!GST_VAAPI_ENCODER_WIDTH (encoder) ||
!GST_VAAPI_ENCODER_HEIGHT (encoder) ||
!GST_VAAPI_ENCODER_FPS_N (encoder) ||
!GST_VAAPI_ENCODER_FPS_D (encoder)) {
return FALSE;
}
if (!encoder->profile)
encoder->profile = GST_VAAPI_ENCODER_H264_DEFAULT_PROFILE;
_set_level (encoder);
if (!encoder->intra_period)
encoder->intra_period = GST_VAAPI_ENCODER_H264_DEFAULT_INTRA_PERIOD;
else if (encoder->intra_period > GST_VAAPI_ENCODER_H264_MAX_INTRA_PERIOD)
encoder->intra_period = GST_VAAPI_ENCODER_H264_MAX_INTRA_PERIOD;
if (encoder->idr_period < encoder->intra_period)
encoder->idr_period = encoder->intra_period;
if (encoder->idr_period > GST_VAAPI_ENCODER_H264_MAX_IDR_PERIOD)
encoder->idr_period = GST_VAAPI_ENCODER_H264_MAX_IDR_PERIOD;
if (-1 == encoder->init_qp)
encoder->init_qp = GST_VAAPI_ENCODER_H264_DEFAULT_INIT_QP;
if (-1 == encoder->min_qp) {
if (GST_VAAPI_RATECONTROL_CQP == GST_VAAPI_ENCODER_RATE_CONTROL (encoder))
encoder->min_qp = encoder->init_qp;
else
encoder->min_qp = GST_VAAPI_ENCODER_H264_DEFAULT_MIN_QP;
}
if (encoder->min_qp > encoder->init_qp)
encoder->min_qp = encoder->init_qp;
/* default compress ratio 1: (4*8*1.5) */
if (GST_VAAPI_RATECONTROL_CBR == GST_VAAPI_ENCODER_RATE_CONTROL (encoder) ||
GST_VAAPI_RATECONTROL_VBR == GST_VAAPI_ENCODER_RATE_CONTROL (encoder) ||
GST_VAAPI_RATECONTROL_VBR_CONSTRAINED ==
GST_VAAPI_ENCODER_RATE_CONTROL (encoder)) {
if (!encoder->bitrate)
encoder->bitrate = GST_VAAPI_ENCODER_WIDTH (encoder) *
GST_VAAPI_ENCODER_HEIGHT (encoder) *
GST_VAAPI_ENCODER_FPS_N (encoder) /
GST_VAAPI_ENCODER_FPS_D (encoder) / 4 / 1024;
} else
encoder->bitrate = 0;
if (!encoder->slice_num)
encoder->slice_num = GST_VAAPI_ENCODER_H264_DEFAULT_SLICE_NUM;
width_mbs = (GST_VAAPI_ENCODER_WIDTH (encoder) + 15) / 16;
height_mbs = (GST_VAAPI_ENCODER_HEIGHT (encoder) + 15) / 16;
total_mbs = width_mbs * height_mbs;
if (encoder->slice_num > (total_mbs + 1) / 2)
encoder->slice_num = (total_mbs + 1) / 2;
g_assert (encoder->slice_num);
if (encoder->b_frame_num > (encoder->intra_period + 1) / 2)
encoder->b_frame_num = (encoder->intra_period + 1) / 2;
if (encoder->b_frame_num > 50)
encoder->b_frame_num = 50;
return TRUE;
}
static gboolean
init_encoder_private_attributes (GstVaapiEncoderH264 * encoder, GstCaps * caps)
{
if (encoder->b_frame_num)
encoder->cts_offset = GST_SECOND * GST_VAAPI_ENCODER_FPS_D (encoder) /
GST_VAAPI_ENCODER_FPS_N (encoder);
else
encoder->cts_offset = 0;
/* init max_frame_num, max_poc */
encoder->log2_max_frame_num = _get_log2_max_frame_num (encoder->idr_period);
g_assert (encoder->log2_max_frame_num >= 4);
encoder->max_frame_num = (1 << encoder->log2_max_frame_num);
encoder->log2_max_pic_order_cnt = encoder->log2_max_frame_num + 1;
encoder->max_pic_order_cnt = (1 << encoder->log2_max_pic_order_cnt);
encoder->frame_index = 0;
encoder->idr_num = 0;
encoder->max_reflist0_count = 1;
if (encoder->b_frame_num)
encoder->max_reflist1_count = 1;
else
encoder->max_reflist1_count = 0;
encoder->max_ref_num =
encoder->max_reflist0_count + encoder->max_reflist1_count;
return TRUE;
}
static GstVaapiEncoderStatus
gst_vaapi_encoder_h264_encode (GstVaapiEncoder * base,
GstVaapiEncPicture * picture, GstVaapiCodedBufferProxy * codedbuf)
{
GstVaapiEncoderH264 *encoder = GST_VAAPI_ENCODER_H264_CAST (base);
GstVaapiEncoderStatus ret = GST_VAAPI_ENCODER_STATUS_UNKNOWN_ERR;
GstVaapiSurfaceProxy *reconstruct = NULL;
reconstruct = gst_vaapi_encoder_create_surface (base);
g_assert (GST_VAAPI_SURFACE_PROXY_SURFACE (reconstruct));
if (!ensure_sequence (encoder, picture))
goto error;
if (!ensure_picture (encoder, picture, codedbuf, reconstruct))
goto error;
if (!ensure_misc (encoder, picture))
goto error;
if (!ensure_slices (encoder, picture))
goto error;
if (!gst_vaapi_enc_picture_encode (picture))
goto error;
if (!reference_list_update (encoder, picture, reconstruct))
goto error;
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
error:
if (reconstruct)
gst_vaapi_encoder_release_surface (GST_VAAPI_ENCODER (encoder),
reconstruct);
return ret;
}
static GstVaapiEncoderStatus
gst_vaapi_encoder_h264_flush (GstVaapiEncoder * base)
{
GstVaapiEncoderH264 *encoder = GST_VAAPI_ENCODER_H264_CAST (base);
GstVaapiEncPicture *pic;
encoder->frame_index = 0;
encoder->cur_frame_num = 0;
encoder->cur_present_index = 0;
while (!g_queue_is_empty (&encoder->reorder_frame_list)) {
pic =
(GstVaapiEncPicture *) g_queue_pop_head (&encoder->reorder_frame_list);
gst_vaapi_enc_picture_unref (pic);
}
g_queue_clear (&encoder->reorder_frame_list);
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
}
static GstVaapiEncoderStatus
gst_vaapi_encoder_h264_get_avcC_codec_data (GstVaapiEncoderH264 * encoder,
GstBuffer ** buffer)
{
GstBuffer *avc_codec;
const guint32 configuration_version = 0x01;
const guint32 length_size_minus_one = 0x03;
guint32 profile, profile_comp, level_idc;
GstMapInfo sps_info, pps_info;
GstVaapiEncoderStatus ret = GST_VAAPI_ENCODER_STATUS_SUCCESS;
GstBitWriter writer;
g_assert (buffer);
if (!encoder->sps_data || !encoder->pps_data)
return GST_VAAPI_ENCODER_STATUS_NOT_READY;
if (!gst_buffer_map (encoder->sps_data, &sps_info, GST_MAP_READ))
return GST_VAAPI_ENCODER_STATUS_MEM_ERROR;
if (FALSE == _read_sps_attributes (sps_info.data, sps_info.size,
&profile, &profile_comp, &level_idc)) {
ret = GST_VAAPI_ENCODER_STATUS_UNKNOWN_ERR;
goto end;
}
if (!gst_buffer_map (encoder->pps_data, &pps_info, GST_MAP_READ)) {
ret = GST_VAAPI_ENCODER_STATUS_MEM_ERROR;
goto end;
}
gst_bit_writer_init (&writer, (sps_info.size + pps_info.size + 64) * 8);
/* codec_data */
gst_bit_writer_put_bits_uint32 (&writer, configuration_version, 8);
gst_bit_writer_put_bits_uint32 (&writer, profile, 8);
gst_bit_writer_put_bits_uint32 (&writer, profile_comp, 8);
gst_bit_writer_put_bits_uint32 (&writer, level_idc, 8);
gst_bit_writer_put_bits_uint32 (&writer, 0x3F, 6); /*111111 */
gst_bit_writer_put_bits_uint32 (&writer, length_size_minus_one, 2);
gst_bit_writer_put_bits_uint32 (&writer, 0x07, 3); /*111 */
/* write sps */
gst_bit_writer_put_bits_uint32 (&writer, 1, 5); /* sps count = 1 */
g_assert (GST_BIT_WRITER_BIT_SIZE (&writer) % 8 == 0);
gst_bit_writer_put_bits_uint32 (&writer, sps_info.size, 16);
gst_bit_writer_put_bytes (&writer, sps_info.data, sps_info.size);
/* write pps */
gst_bit_writer_put_bits_uint32 (&writer, 1, 8); /*pps count = 1 */
gst_bit_writer_put_bits_uint32 (&writer, pps_info.size, 16);
gst_bit_writer_put_bytes (&writer, pps_info.data, pps_info.size);
avc_codec = gst_buffer_new_wrapped (GST_BIT_WRITER_DATA (&writer),
GST_BIT_WRITER_BIT_SIZE (&writer) / 8);
g_assert (avc_codec);
if (!avc_codec) {
ret = GST_VAAPI_ENCODER_STATUS_MEM_ERROR;
goto clear_writer;
}
*buffer = avc_codec;
gst_buffer_unmap (encoder->pps_data, &pps_info);
gst_bit_writer_clear (&writer, FALSE);
ret = GST_VAAPI_ENCODER_STATUS_SUCCESS;
goto end;
clear_writer:
gst_bit_writer_clear (&writer, TRUE);
end:
gst_buffer_unmap (encoder->sps_data, &sps_info);
return ret;
}
static GstVaapiEncoderStatus
gst_vaapi_encoder_h264_get_codec_data (GstVaapiEncoder * base,
GstBuffer ** buffer)
{
GstVaapiEncoderH264 *encoder = GST_VAAPI_ENCODER_H264_CAST (base);
*buffer = NULL;
if (!encoder->is_avc)
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
return gst_vaapi_encoder_h264_get_avcC_codec_data (encoder, buffer);
}
static GstVaapiEncoderStatus
gst_vaapi_encoder_h264_reordering (GstVaapiEncoder * base,
GstVideoCodecFrame * frame, gboolean flush, GstVaapiEncPicture ** output)
{
GstVaapiEncoderH264 *encoder = GST_VAAPI_ENCODER_H264 (base);
GstVaapiEncPicture *picture;
gboolean is_idr = FALSE;
*output = NULL;
if (!frame) {
if (encoder->reorder_state != GST_VAAPI_ENC_H264_REORD_DUMP_FRAMES)
return GST_VAAPI_ENCODER_STATUS_FRAME_NOT_READY;
/* reorder_state = GST_VAAPI_ENC_H264_REORD_DUMP_FRAMES
dump B frames from queue, sometime, there may also have P frame or I frame */
g_assert (encoder->b_frame_num > 0);
g_return_val_if_fail (!g_queue_is_empty (&encoder->reorder_frame_list),
GST_VAAPI_ENCODER_STATUS_UNKNOWN_ERR);
picture = g_queue_pop_head (&encoder->reorder_frame_list);
g_assert (picture);
if (g_queue_is_empty (&encoder->reorder_frame_list)) {
encoder->reorder_state = GST_VAAPI_ENC_H264_REORD_WAIT_FRAMES;
}
goto end;
}
/* new frame coming */
picture = GST_VAAPI_ENC_PICTURE_NEW (H264, encoder, frame);
if (!picture) {
GST_WARNING ("create H264 picture failed, frame timestamp:%"
GST_TIME_FORMAT, GST_TIME_ARGS (frame->pts));
return GST_VAAPI_ENCODER_STATUS_OBJECT_ERR;
}
++encoder->cur_present_index;
picture->poc = ((encoder->cur_present_index * 2) %
encoder->max_pic_order_cnt);
is_idr = (encoder->frame_index == 0 ||
encoder->frame_index >= encoder->idr_period);
/* check key frames */
if (is_idr || GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME (frame) ||
(encoder->frame_index % encoder->intra_period) == 0) {
++encoder->cur_frame_num;
++encoder->frame_index;
/* b frame enabled, check queue of reorder_frame_list */
if (encoder->b_frame_num
&& !g_queue_is_empty (&encoder->reorder_frame_list)) {
GstVaapiEncPicture *p_pic;
p_pic = g_queue_pop_tail (&encoder->reorder_frame_list);
_set_p_frame (p_pic, encoder);
g_queue_foreach (&encoder->reorder_frame_list,
(GFunc) _set_b_frame, encoder);
++encoder->cur_frame_num;
_set_key_frame (picture, encoder, is_idr);
g_queue_push_tail (&encoder->reorder_frame_list, picture);
picture = p_pic;
encoder->reorder_state = GST_VAAPI_ENC_H264_REORD_DUMP_FRAMES;
} else { /* no b frames in queue */
_set_key_frame (picture, encoder, is_idr);
g_assert (g_queue_is_empty (&encoder->reorder_frame_list));
if (encoder->b_frame_num)
encoder->reorder_state = GST_VAAPI_ENC_H264_REORD_WAIT_FRAMES;
}
goto end;
}
/* new p/b frames coming */
++encoder->frame_index;
if (encoder->reorder_state == GST_VAAPI_ENC_H264_REORD_WAIT_FRAMES &&
g_queue_get_length (&encoder->reorder_frame_list) <
encoder->b_frame_num) {
g_queue_push_tail (&encoder->reorder_frame_list, picture);
return GST_VAAPI_ENCODER_STATUS_FRAME_NOT_READY;
}
++encoder->cur_frame_num;
_set_p_frame (picture, encoder);
if (encoder->reorder_state == GST_VAAPI_ENC_H264_REORD_WAIT_FRAMES) {
g_queue_foreach (&encoder->reorder_frame_list, (GFunc) _set_b_frame,
encoder);
encoder->reorder_state = GST_VAAPI_ENC_H264_REORD_DUMP_FRAMES;
g_assert (!g_queue_is_empty (&encoder->reorder_frame_list));
}
end:
g_assert (picture);
frame = GST_VAAPI_ENC_PICTURE_GET_FRAME (picture);
if (GST_CLOCK_TIME_IS_VALID (frame->pts))
frame->pts += encoder->cts_offset;
*output = picture;
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
}
static gboolean
gst_vaapi_encoder_h264_get_context_info (GstVaapiEncoder * base,
GstVaapiContextInfo * info)
{
GstVaapiEncoderH264 *encoder = GST_VAAPI_ENCODER_H264 (base);
const static guint default_surface_num = 3;
g_return_val_if_fail (info, FALSE);
info->profile = encoder->profile;
info->entrypoint = GST_VAAPI_ENTRYPOINT_SLICE_ENCODE;
info->width = GST_VAAPI_ENCODER_WIDTH (encoder);
info->height = GST_VAAPI_ENCODER_HEIGHT (encoder);
info->ref_frames = (encoder->b_frame_num ? 2 : 1) + default_surface_num;
info->rc_mode = GST_VAAPI_ENCODER_RATE_CONTROL (encoder);
return TRUE;
}
static GstCaps *
gst_vaapi_encoder_h264_set_format (GstVaapiEncoder * base,
GstVideoCodecState * in_state, GstCaps * ref_caps)
{
GstVaapiEncoderH264 *encoder;
GstCaps *result = NULL, *tmp;
GstStructure *structure;
const GValue *value;
const gchar *stream_format;
encoder = GST_VAAPI_ENCODER_H264 (base);
tmp = gst_caps_from_string ("video/x-h264");
gst_caps_set_simple (tmp,
"width", G_TYPE_INT, GST_VAAPI_ENCODER_WIDTH (encoder),
"height", G_TYPE_INT, GST_VAAPI_ENCODER_HEIGHT (encoder),
"framerate", GST_TYPE_FRACTION,
GST_VAAPI_ENCODER_FPS_N (encoder), GST_VAAPI_ENCODER_FPS_D (encoder),
NULL);
result = gst_caps_intersect (tmp, ref_caps);
gst_caps_unref (tmp);
/* fixed stream-format and choose byte-stream first */
structure = gst_caps_get_structure (result, 0);
value = gst_structure_get_value (structure, "stream-format");
if (value) {
gst_structure_fixate_field_string (structure, "stream-format",
"byte-stream");
stream_format = gst_structure_get_string (structure, "stream-format");
} else {
stream_format = "byte-stream";
gst_structure_set (structure, "stream-format", G_TYPE_STRING, stream_format,
NULL);
}
if (strcmp (stream_format, "byte-stream") == 0)
encoder->is_avc = FALSE;
else /* need codec data later */
encoder->is_avc = TRUE;
result = gst_caps_fixate (result);
if (!init_encoder_public_attributes (encoder)) {
GST_WARNING ("encoder ensure public attributes failed ");
goto error;
}
if (!init_encoder_private_attributes (encoder, result)) {
GST_WARNING ("prepare encoding failed ");
goto error;
}
return result;
error:
gst_caps_unref (result);
return NULL;
}
static gboolean
gst_vaapi_encoder_h264_init (GstVaapiEncoder * base)
{
GstVaapiEncoderH264 *encoder = GST_VAAPI_ENCODER_H264 (base);
/* init attributes */
encoder->profile = 0;
encoder->level = 0;
encoder->bitrate = 0;
encoder->idr_period = 0;
encoder->intra_period = 0;
encoder->init_qp = -1;
encoder->min_qp = -1;
encoder->slice_num = 0;
encoder->b_frame_num = 0;
//gst_vaapi_base_encoder_set_frame_notify(GST_VAAPI_BASE_ENCODER(encoder), TRUE);
/* init private values */
encoder->is_avc = FALSE;
/* re-ordering */
g_queue_init (&encoder->reorder_frame_list);
encoder->reorder_state = GST_VAAPI_ENC_H264_REORD_NONE;
encoder->frame_index = 0;
encoder->cur_frame_num = 0;
encoder->cur_present_index = 0;
g_queue_init (&encoder->ref_list);
encoder->max_ref_num = 0;
encoder->max_reflist0_count = 1;
encoder->max_reflist1_count = 1;
encoder->sps_data = NULL;
encoder->pps_data = NULL;
encoder->cts_offset = 0;
encoder->max_frame_num = 0;
encoder->log2_max_frame_num = 0;
encoder->max_pic_order_cnt = 0;
encoder->log2_max_pic_order_cnt = 0;
encoder->idr_num = 0;
return TRUE;
}
static void
gst_vaapi_encoder_h264_destroy (GstVaapiEncoder * base)
{
/*free private buffers */
GstVaapiEncoderH264 *encoder = GST_VAAPI_ENCODER_H264 (base);
GstVaapiEncPicture *pic;
GstVaapiEncoderH264Ref *ref;
gst_buffer_replace (&encoder->sps_data, NULL);
gst_buffer_replace (&encoder->pps_data, NULL);
while (!g_queue_is_empty (&encoder->ref_list)) {
ref = (GstVaapiEncoderH264Ref *) g_queue_pop_head (&encoder->ref_list);
reference_pic_free (encoder, ref);
}
g_queue_clear (&encoder->ref_list);
while (!g_queue_is_empty (&encoder->reorder_frame_list)) {
pic =
(GstVaapiEncPicture *) g_queue_pop_head (&encoder->reorder_frame_list);
gst_vaapi_enc_picture_unref (pic);
}
g_queue_clear (&encoder->reorder_frame_list);
}
static void
gst_vaapi_encoder_h264_class_init (GstVaapiEncoderH264Class * klass)
{
GstVaapiMiniObjectClass *const object_class =
GST_VAAPI_MINI_OBJECT_CLASS (klass);
GstVaapiEncoderClass *const encoder_class = GST_VAAPI_ENCODER_CLASS (klass);
gst_vaapi_encoder_class_init (encoder_class);
object_class->size = sizeof (GstVaapiEncoderH264);
encoder_class->init = gst_vaapi_encoder_h264_init;
encoder_class->destroy = gst_vaapi_encoder_h264_destroy;
encoder_class->set_format = gst_vaapi_encoder_h264_set_format;
encoder_class->get_context_info = gst_vaapi_encoder_h264_get_context_info;
encoder_class->reordering = gst_vaapi_encoder_h264_reordering;
encoder_class->encode = gst_vaapi_encoder_h264_encode;
encoder_class->get_codec_data = gst_vaapi_encoder_h264_get_codec_data;
encoder_class->flush = gst_vaapi_encoder_h264_flush;
}
static inline const GstVaapiEncoderClass *
gst_vaapi_encoder_h264_class ()
{
static GstVaapiEncoderH264Class g_class;
static gsize g_class_init = FALSE;
if (g_once_init_enter (&g_class_init)) {
gst_vaapi_encoder_h264_class_init (&g_class);
g_once_init_leave (&g_class_init, TRUE);
}
return GST_VAAPI_ENCODER_CLASS (&g_class);
}
GstVaapiEncoder *
gst_vaapi_encoder_h264_new (GstVaapiDisplay * display)
{
return gst_vaapi_encoder_new (gst_vaapi_encoder_h264_class (), display);
}
void
gst_vaapi_encoder_h264_set_avc (GstVaapiEncoderH264 * encoder, gboolean is_avc)
{
encoder->is_avc = is_avc;
}
gboolean
gst_vaapi_encoder_h264_is_avc (GstVaapiEncoderH264 * encoder)
{
return encoder->is_avc;
}
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