/*
* gstvaapiencoder_h264.c - H.264 encoder
*
- * Copyright (C) 2012-2013 Intel Corporation
+ * Copyright (C) 2012-2014 Intel Corporation
+ * Author: Wind Yuan <feng.yuan@intel.com>
+ * Author: Gwenole Beauchesne <gwenole.beauchesne@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
#include <va/va.h>
#include <va/va_enc_h264.h>
#include <gst/base/gstbitwriter.h>
+#include <gst/codecparsers/gsth264parser.h>
#include "gstvaapicompat.h"
#include "gstvaapiencoder_priv.h"
#include "gstvaapiencoder_h264.h"
#define DEBUG 1
#include "gstvaapidebug.h"
+/* Define the maximum number of views supported */
+#define MAX_NUM_VIEWS 2
+
/* Define the maximum IDR period */
#define MAX_IDR_PERIOD 512
+/* Default CPB length (in milliseconds) */
+#define DEFAULT_CPB_LENGTH 1500
+
+/* Scale factor for CPB size (HRD cpb_size_scale: min = 4) */
+#define SX_CPB_SIZE 4
+
+/* Scale factor for bitrate (HRD bit_rate_scale: min = 6) */
+#define SX_BITRATE 6
+
/* 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 (NONE) | \
- GST_VAAPI_RATECONTROL_MASK (CQP) | \
+ (GST_VAAPI_RATECONTROL_MASK (CQP) | \
GST_VAAPI_RATECONTROL_MASK (CBR) | \
GST_VAAPI_RATECONTROL_MASK (VBR) | \
GST_VAAPI_RATECONTROL_MASK (VBR_CONSTRAINED))
(GST_VAAPI_ENCODER_TUNE_MASK (NONE) | \
GST_VAAPI_ENCODER_TUNE_MASK (HIGH_COMPRESSION))
-#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
+/* Supported set of VA packed headers, within this implementation */
+#define SUPPORTED_PACKED_HEADERS \
+ (VA_ENC_PACKED_HEADER_SEQUENCE | \
+ VA_ENC_PACKED_HEADER_PICTURE | \
+ VA_ENC_PACKED_HEADER_SLICE | \
+ VA_ENC_PACKED_HEADER_RAW_DATA)
-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;
+#define GST_H264_NAL_REF_IDC_NONE 0
+#define GST_H264_NAL_REF_IDC_LOW 1
+#define GST_H264_NAL_REF_IDC_MEDIUM 2
+#define GST_H264_NAL_REF_IDC_HIGH 3
typedef struct
{
GST_VAAPI_ENC_H264_REORD_WAIT_FRAMES = 2
} GstVaapiEncH264ReorderState;
+typedef struct _GstVaapiH264ViewRefPool
+{
+ GQueue ref_list;
+ guint max_ref_frames;
+ guint max_reflist0_count;
+ guint max_reflist1_count;
+} GstVaapiH264ViewRefPool;
+
+typedef struct _GstVaapiH264ViewReorderPool
+{
+ GQueue reorder_frame_list;
+ guint reorder_state;
+ guint frame_index;
+ guint cur_frame_num;
+ guint cur_present_index;
+} GstVaapiH264ViewReorderPool;
+
static inline gboolean
_poc_greater_than (guint poc1, guint poc2, guint max_poc)
{
{
switch (type) {
case GST_VAAPI_PICTURE_TYPE_I:
- return 2;
+ return GST_H264_I_SLICE;
case GST_VAAPI_PICTURE_TYPE_P:
- return 0;
+ return GST_H264_P_SLICE;
case GST_VAAPI_PICTURE_TYPE_B:
- return 1;
+ return GST_H264_B_SLICE;
default:
- return -1;
+ break;
}
return -1;
}
return ret;
}
+/* Determines the cpbBrNalFactor based on the supplied profile */
+static guint
+h264_get_cpb_nal_factor (GstVaapiProfile profile)
+{
+ guint f;
+
+ /* Table A-2 */
+ switch (profile) {
+ case GST_VAAPI_PROFILE_H264_HIGH:
+ f = 1500;
+ break;
+ case GST_VAAPI_PROFILE_H264_HIGH10:
+ f = 3600;
+ break;
+ case GST_VAAPI_PROFILE_H264_HIGH_422:
+ case GST_VAAPI_PROFILE_H264_HIGH_444:
+ f = 4800;
+ break;
+ default:
+ f = 1200;
+ break;
+ }
+ return f;
+}
+
/* ------------------------------------------------------------------------- */
/* --- H.264 Bitstream Writer --- */
/* ------------------------------------------------------------------------- */
}
}
+/* Write the MVC NAL unit header extension */
+static gboolean
+bs_write_nal_header_mvc_extension (GstBitWriter * bs,
+ GstVaapiEncPicture * picture, guint32 view_id)
+{
+ guint32 svc_extension_flag = 0;
+ guint32 non_idr_flag = 1;
+ guint32 priority_id = 0;
+ guint32 temporal_id = 0;
+ guint32 anchor_pic_flag = 0;
+ guint32 inter_view_flag = 0;
+
+ if (GST_VAAPI_ENC_PICTURE_IS_IDR (picture))
+ non_idr_flag = 0;
+
+ if (picture->type == GST_VAAPI_PICTURE_TYPE_I)
+ anchor_pic_flag = 1;
+ /* svc_extension_flag == 0 for mvc stream */
+ WRITE_UINT32 (bs, svc_extension_flag, 1);
+
+ WRITE_UINT32 (bs, non_idr_flag, 1);
+ WRITE_UINT32 (bs, priority_id, 6);
+ WRITE_UINT32 (bs, view_id, 10);
+ WRITE_UINT32 (bs, temporal_id, 3);
+ WRITE_UINT32 (bs, anchor_pic_flag, 1);
+ WRITE_UINT32 (bs, inter_view_flag, 1);
+ WRITE_UINT32 (bs, 1, 1);
+
+ return TRUE;
+
+ /* ERRORS */
+bs_error:
+ {
+ GST_WARNING ("failed to write NAL unit header");
+ return FALSE;
+ }
+}
+
/* Write the NAL unit trailing bits */
static gboolean
bs_write_trailing_bits (GstBitWriter * bs)
/* Write an SPS NAL unit */
static gboolean
-bs_write_sps (GstBitWriter * bs,
- const VAEncSequenceParameterBufferH264 * seq_param, GstVaapiProfile profile)
+bs_write_sps_data (GstBitWriter * bs,
+ const VAEncSequenceParameterBufferH264 * seq_param, GstVaapiProfile profile,
+ const VAEncMiscParameterHRD * hrd_params)
{
guint8 profile_idc;
guint32 constraint_set0_flag, constraint_set1_flag;
/* seq_parameter_set_id */
WRITE_UE (bs, seq_param->seq_parameter_set_id);
- if (profile == GST_VAAPI_PROFILE_H264_HIGH) {
+ if (profile == GST_VAAPI_PROFILE_H264_HIGH ||
+ profile == GST_VAAPI_PROFILE_H264_MULTIVIEW_HIGH ||
+ profile == GST_VAAPI_PROFILE_H264_STEREO_HIGH) {
/* for high profile */
/* chroma_format_idc = 1, 4:2:0 */
WRITE_UE (bs, seq_param->seq_fields.bits.chroma_format_idc);
WRITE_UINT32 (bs, 1, 1); /* fixed_frame_rate_flag */
}
- nal_hrd_parameters_present_flag =
- (seq_param->bits_per_second > 0 ? TRUE : FALSE);
/* nal_hrd_parameters_present_flag */
+ nal_hrd_parameters_present_flag = seq_param->bits_per_second > 0;
+ nal_hrd_parameters_present_flag = FALSE; /* XXX: disabled for now */
WRITE_UINT32 (bs, nal_hrd_parameters_present_flag, 1);
if (nal_hrd_parameters_present_flag) {
/* hrd_parameters */
/* cpb_cnt_minus1 */
WRITE_UE (bs, 0);
- WRITE_UINT32 (bs, 4, 4); /* bit_rate_scale */
- WRITE_UINT32 (bs, 6, 4); /* cpb_size_scale */
+ WRITE_UINT32 (bs, SX_BITRATE - 6, 4); /* bit_rate_scale */
+ WRITE_UINT32 (bs, SX_CPB_SIZE - 4, 4); /* cpb_size_scale */
for (i = 0; i < 1; ++i) {
/* bit_rate_value_minus1[0] */
- WRITE_UE (bs, seq_param->bits_per_second / 1000 - 1);
+ WRITE_UE (bs, (seq_param->bits_per_second >> SX_BITRATE) - 1);
/* cpb_size_value_minus1[0] */
- WRITE_UE (bs, seq_param->bits_per_second / 1000 * 8 - 1);
+ WRITE_UE (bs, (hrd_params->buffer_size >> SX_CPB_SIZE) - 1);
/* cbr_flag[0] */
WRITE_UINT32 (bs, 1, 1);
}
/* time_offset_length */
WRITE_UINT32 (bs, 23, 5);
}
+
/* vcl_hrd_parameters_present_flag */
WRITE_UINT32 (bs, 0, 1);
+
if (nal_hrd_parameters_present_flag
|| 0 /*vcl_hrd_parameters_present_flag */ ) {
/* low_delay_hrd_flag */
/* bs_restriction_flag */
WRITE_UINT32 (bs, 0, 1);
}
+ return TRUE;
+
+ /* ERRORS */
+bs_error:
+ {
+ GST_WARNING ("failed to write SPS NAL unit");
+ return FALSE;
+ }
+}
+
+static gboolean
+bs_write_sps (GstBitWriter * bs,
+ const VAEncSequenceParameterBufferH264 * seq_param, GstVaapiProfile profile,
+ const VAEncMiscParameterHRD * hrd_params)
+{
+ if (!bs_write_sps_data (bs, seq_param, profile, hrd_params))
+ return FALSE;
+
+ /* rbsp_trailing_bits */
+ bs_write_trailing_bits (bs);
+
+ return FALSE;
+}
+
+static gboolean
+bs_write_subset_sps (GstBitWriter * bs,
+ const VAEncSequenceParameterBufferH264 * seq_param, GstVaapiProfile profile,
+ guint num_views, const VAEncMiscParameterHRD * hrd_params)
+{
+ guint32 i, j, k;
+
+ if (!bs_write_sps_data (bs, seq_param, profile, hrd_params))
+ return FALSE;
+
+ if (profile == GST_VAAPI_PROFILE_H264_STEREO_HIGH ||
+ profile == GST_VAAPI_PROFILE_H264_MULTIVIEW_HIGH) {
+ guint32 num_views_minus1, num_level_values_signalled_minus1;
+
+ num_views_minus1 = num_views - 1;
+ g_assert (num_views_minus1 < 1024);
+
+ /* bit equal to one */
+ WRITE_UINT32 (bs, 1, 1);
+
+ WRITE_UE (bs, num_views_minus1);
+
+ for (i = 0; i <= num_views_minus1; i++)
+ WRITE_UE (bs, i);
+
+ for (i = 1; i <= num_views_minus1; i++) {
+ guint32 num_anchor_refs_l0 = 15;
+ WRITE_UE (bs, num_anchor_refs_l0);
+ for (j = 0; j < num_anchor_refs_l0; j++)
+ WRITE_UE (bs, 0);
+
+ guint32 num_anchor_refs_l1 = 15;
+ WRITE_UE (bs, num_anchor_refs_l1);
+ for (j = 0; j < num_anchor_refs_l1; j++)
+ WRITE_UE (bs, 0);
+ }
+
+ for (i = 1; i <= num_views_minus1; i++) {
+ guint num_non_anchor_refs_l0 = 15;
+ WRITE_UE (bs, num_non_anchor_refs_l0);
+ for (j = 0; j < num_non_anchor_refs_l0; j++)
+ WRITE_UE (bs, 0);
+
+ guint num_non_anchor_refs_l1 = 15;
+ WRITE_UE (bs, num_non_anchor_refs_l1);
+ for (j = 0; j < num_non_anchor_refs_l1; j++)
+ WRITE_UE (bs, 0);
+ }
+
+ /* num level values signalled minus1 */
+ num_level_values_signalled_minus1 = 0;
+ g_assert (num_level_values_signalled_minus1 < 64);
+
+ for (i = 0; i <= num_level_values_signalled_minus1; i++) {
+ guint16 num_applicable_ops_minus1 = 0;
+ g_assert (num_applicable_ops_minus1 < 1024);
+
+ WRITE_UINT32 (bs, seq_param->level_idc, 8);
+ WRITE_UE (bs, num_applicable_ops_minus1);
+
+ for (j = 0; j <= num_applicable_ops_minus1; j++) {
+ guint8 temporal_id = 0;
+ guint16 num_target_views_minus1 = 1;
+
+ WRITE_UINT32 (bs, temporal_id, 3);
+ WRITE_UE (bs, num_target_views_minus1);
+
+ for (k = 0; k <= num_target_views_minus1; k++)
+ WRITE_UE (bs, k);
+
+ WRITE_UE (bs, num_views_minus1);
+ }
+ }
+
+ /* mvc_vui_parameters_present_flag */
+ WRITE_UINT32 (bs, 0, 1);
+ }
+
+ /* additional_extension2_flag */
+ WRITE_UINT32 (bs, 0, 1);
/* rbsp_trailing_bits */
bs_write_trailing_bits (bs);
/* ERRORS */
bs_error:
{
- GST_WARNING ("failed to write SPS NAL unit");
+ GST_WARNING ("failed to write subset SPS NAL unit");
return FALSE;
}
+ return FALSE;
}
/* Write a PPS NAL unit */
guint32 mb_height;
gboolean use_cabac;
gboolean use_dct8x8;
-
- /* re-ordering */
- GQueue reorder_frame_list;
- guint reorder_state;
- guint frame_index;
- guint cur_frame_num;
- guint cur_present_index;
GstClockTime cts_offset;
- /* reference list */
- GQueue ref_list;
- guint max_ref_frames;
- /* max reflist count */
- guint max_reflist0_count;
- guint max_reflist1_count;
-
/* frame, poc */
guint32 max_frame_num;
guint32 log2_max_frame_num;
guint32 max_pic_order_cnt;
guint32 log2_max_pic_order_cnt;
guint32 idr_num;
+ guint8 pic_order_cnt_type;
+ guint8 delta_pic_order_always_zero_flag;
GstBuffer *sps_data;
+ GstBuffer *subset_sps_data;
GstBuffer *pps_data;
+
+ guint bitrate_bits; // bitrate (bits)
+ guint cpb_length; // length of CPB buffer (ms)
+ guint cpb_length_bits; // length of CPB buffer (bits)
+
+ /* MVC */
+ gboolean is_mvc;
+ guint32 view_idx;
+ guint32 num_views;
+ GstVaapiH264ViewRefPool ref_pools[MAX_NUM_VIEWS];
+ GstVaapiH264ViewReorderPool reorder_pools[MAX_NUM_VIEWS];
};
+/* Write a Slice NAL unit */
+static gboolean
+bs_write_slice (GstBitWriter * bs,
+ const VAEncSliceParameterBufferH264 * slice_param,
+ GstVaapiEncoderH264 * encoder, GstVaapiEncPicture * picture)
+{
+ const VAEncPictureParameterBufferH264 *const pic_param = picture->param;
+ guint32 field_pic_flag = 0;
+ guint32 ref_pic_list_modification_flag_l0 = 0;
+ guint32 ref_pic_list_modification_flag_l1 = 0;
+ guint32 no_output_of_prior_pics_flag = 0;
+ guint32 long_term_reference_flag = 0;
+ guint32 adaptive_ref_pic_marking_mode_flag = 0;
+
+ /* first_mb_in_slice */
+ WRITE_UE (bs, slice_param->macroblock_address);
+ /* slice_type */
+ WRITE_UE (bs, slice_param->slice_type);
+ /* pic_parameter_set_id */
+ WRITE_UE (bs, slice_param->pic_parameter_set_id);
+ /* frame_num */
+ WRITE_UINT32 (bs, picture->frame_num, encoder->log2_max_frame_num);
+
+ /* XXX: only frames (i.e. non-interlaced) are supported for now */
+ /* frame_mbs_only_flag == 0 */
+
+ /* idr_pic_id */
+ if (GST_VAAPI_ENC_PICTURE_IS_IDR (picture))
+ WRITE_UE (bs, slice_param->idr_pic_id);
+
+ /* XXX: only POC type 0 is supported */
+ if (!encoder->pic_order_cnt_type) {
+ WRITE_UINT32 (bs, slice_param->pic_order_cnt_lsb,
+ encoder->log2_max_pic_order_cnt);
+ /* bottom_field_pic_order_in_frame_present_flag is FALSE */
+ if (pic_param->pic_fields.bits.pic_order_present_flag && !field_pic_flag)
+ WRITE_SE (bs, slice_param->delta_pic_order_cnt_bottom);
+ } else if (encoder->pic_order_cnt_type == 1 &&
+ !encoder->delta_pic_order_always_zero_flag) {
+ WRITE_SE (bs, slice_param->delta_pic_order_cnt[0]);
+ if (pic_param->pic_fields.bits.pic_order_present_flag && !field_pic_flag)
+ WRITE_SE (bs, slice_param->delta_pic_order_cnt[1]);
+ }
+ /* redundant_pic_cnt_present_flag is FALSE, no redundant coded pictures */
+
+ /* only works for B-frames */
+ if (slice_param->slice_type == 1)
+ WRITE_UINT32 (bs, slice_param->direct_spatial_mv_pred_flag, 1);
+
+ /* not supporting SP slices */
+ if (slice_param->slice_type == 0 || slice_param->slice_type == 1) {
+ WRITE_UINT32 (bs, slice_param->num_ref_idx_active_override_flag, 1);
+ if (slice_param->num_ref_idx_active_override_flag) {
+ WRITE_UE (bs, slice_param->num_ref_idx_l0_active_minus1);
+ if (slice_param->slice_type == 1)
+ WRITE_UE (bs, slice_param->num_ref_idx_l1_active_minus1);
+ }
+ }
+ /* XXX: not supporting custom reference picture list modifications */
+ if ((slice_param->slice_type != 2) && (slice_param->slice_type != 4))
+ WRITE_UINT32 (bs, ref_pic_list_modification_flag_l0, 1);
+ if (slice_param->slice_type == 1)
+ WRITE_UINT32 (bs, ref_pic_list_modification_flag_l1, 1);
+
+ /* we have: weighted_pred_flag == FALSE and */
+ /* : weighted_bipred_idc == FALSE */
+ if ((pic_param->pic_fields.bits.weighted_pred_flag &&
+ (slice_param->slice_type == 0)) ||
+ ((pic_param->pic_fields.bits.weighted_bipred_idc == 1) &&
+ (slice_param->slice_type == 1))) {
+ /* XXXX: add pred_weight_table() */
+ }
+
+ /* dec_ref_pic_marking() */
+ if (slice_param->slice_type == 0 || slice_param->slice_type == 2) {
+ if (GST_VAAPI_ENC_PICTURE_IS_IDR (picture)) {
+ /* no_output_of_prior_pics_flag = 0 */
+ WRITE_UINT32 (bs, no_output_of_prior_pics_flag, 1);
+ /* long_term_reference_flag = 0 */
+ WRITE_UINT32 (bs, long_term_reference_flag, 1);
+ } else {
+ /* only sliding_window reference picture marking mode is supported */
+ /* adpative_ref_pic_marking_mode_flag = 0 */
+ WRITE_UINT32 (bs, adaptive_ref_pic_marking_mode_flag, 1);
+ }
+ }
+
+ /* cabac_init_idc */
+ if (pic_param->pic_fields.bits.entropy_coding_mode_flag &&
+ slice_param->slice_type != 2)
+ WRITE_UE (bs, slice_param->cabac_init_idc);
+ /*slice_qp_delta */
+ WRITE_SE (bs, slice_param->slice_qp_delta);
+
+ /* XXX: only supporting I, P and B type slices */
+ /* no sp_for_switch_flag and no slice_qs_delta */
+
+ if (pic_param->pic_fields.bits.deblocking_filter_control_present_flag) {
+ /* disable_deblocking_filter_idc */
+ WRITE_UE (bs, slice_param->disable_deblocking_filter_idc);
+ if (slice_param->disable_deblocking_filter_idc != 1) {
+ WRITE_SE (bs, slice_param->slice_alpha_c0_offset_div2);
+ WRITE_SE (bs, slice_param->slice_beta_offset_div2);
+ }
+ }
+
+ /* XXX: unsupported arbitrary slice ordering (ASO) */
+ /* num_slic_groups_minus1 should be zero */
+ return TRUE;
+
+ /* ERRORS */
+bs_error:
+ {
+ GST_WARNING ("failed to write Slice NAL unit");
+ return FALSE;
+ }
+}
+
static inline void
_check_sps_pps_status (GstVaapiEncoderH264 * encoder,
const guint8 * nal, guint32 size)
{
guint8 nal_type;
gsize ret;
+ gboolean has_subset_sps;
g_assert (size);
- if (encoder->sps_data && encoder->pps_data)
+ has_subset_sps = !encoder->is_mvc || (encoder->subset_sps_data != NULL);
+ if (encoder->sps_data && encoder->pps_data && has_subset_sps)
return;
nal_type = nal[0] & 0x1F;
switch (nal_type) {
- case GST_VAAPI_ENCODER_H264_NAL_SPS:
+ case GST_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:
+ case GST_H264_NAL_SUBSET_SPS:
+ encoder->subset_sps_data = gst_buffer_new_allocate (NULL, size, NULL);
+ ret = gst_buffer_fill (encoder->subset_sps_data, 0, nal, size);
+ g_assert (ret == size);
+ break;
+ case GST_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);
if (encoder->use_dct8x8)
profile = GST_VAAPI_PROFILE_H264_HIGH;
+ /* MVC profiles coding tools */
+ if (encoder->num_views == 2)
+ profile = GST_VAAPI_PROFILE_H264_STEREO_HIGH;
+ else if (encoder->num_views > 2)
+ profile = GST_VAAPI_PROFILE_H264_MULTIVIEW_HIGH;
+
encoder->profile = profile;
encoder->profile_idc = gst_vaapi_utils_h264_get_profile_idc (profile);
return TRUE;
static gboolean
ensure_level (GstVaapiEncoderH264 * encoder)
{
- const guint bitrate = GST_VAAPI_ENCODER_CAST (encoder)->bitrate;
+ const guint cpb_factor = h264_get_cpb_nal_factor (encoder->profile);
const GstVaapiH264LevelLimits *limits_table;
guint i, num_limits, PicSizeMbs, MaxDpbMbs, MaxMBPS;
const GstVaapiH264LevelLimits *const limits = &limits_table[i];
if (PicSizeMbs <= limits->MaxFS &&
MaxDpbMbs <= limits->MaxDpbMbs &&
- MaxMBPS <= limits->MaxMBPS && (!bitrate || bitrate <= limits->MaxBR))
+ MaxMBPS <= limits->MaxMBPS && (!encoder->bitrate_bits
+ || encoder->bitrate_bits <= (limits->MaxBR * cpb_factor)) &&
+ (!encoder->cpb_length_bits ||
+ encoder->cpb_length_bits <= (limits->MaxCPB * cpb_factor)))
break;
}
if (i == num_limits)
profile_idc = encoder->max_profile_idc;
/* Tuning options to enable Main profile */
- if (profile_idc >= 77) {
+ if (profile_idc >= 77 && profile_idc != 88) {
encoder->use_cabac = TRUE;
if (!encoder->num_bframes)
encoder->num_bframes = 1;
static void
reset_gop_start (GstVaapiEncoderH264 * encoder)
{
+ GstVaapiH264ViewReorderPool *const reorder_pool =
+ &encoder->reorder_pools[encoder->view_idx];
+
+ reorder_pool->frame_index = 1;
+ reorder_pool->cur_frame_num = 0;
+ reorder_pool->cur_present_index = 0;
++encoder->idr_num;
- encoder->frame_index = 1;
- encoder->cur_frame_num = 0;
- encoder->cur_present_index = 0;
}
/* Marks the supplied picture as a B-frame */
static void
set_b_frame (GstVaapiEncPicture * pic, GstVaapiEncoderH264 * encoder)
{
+ GstVaapiH264ViewReorderPool *const reorder_pool =
+ &encoder->reorder_pools[encoder->view_idx];
+
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);
+ pic->frame_num = (reorder_pool->cur_frame_num % encoder->max_frame_num);
}
/* Marks the supplied picture as a P-frame */
static void
set_p_frame (GstVaapiEncPicture * pic, GstVaapiEncoderH264 * encoder)
{
+ GstVaapiH264ViewReorderPool *const reorder_pool =
+ &encoder->reorder_pools[encoder->view_idx];
+
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);
+ pic->frame_num = (reorder_pool->cur_frame_num % encoder->max_frame_num);
}
/* Marks the supplied picture as an I-frame */
static void
set_i_frame (GstVaapiEncPicture * pic, GstVaapiEncoderH264 * encoder)
{
+ GstVaapiH264ViewReorderPool *const reorder_pool =
+ &encoder->reorder_pools[encoder->view_idx];
+
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);
+ pic->frame_num = (reorder_pool->cur_frame_num % encoder->max_frame_num);
g_assert (pic->frame);
GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (pic->frame);
static void
fill_hrd_params (GstVaapiEncoderH264 * encoder, VAEncMiscParameterHRD * hrd)
{
- GstVaapiEncoder *const base_encoder = GST_VAAPI_ENCODER_CAST (encoder);
-
- if (base_encoder->bitrate > 0) {
- hrd->buffer_size = base_encoder->bitrate * 1000 * 8;
+ if (encoder->bitrate_bits > 0) {
+ hrd->buffer_size = encoder->cpb_length_bits;
hrd->initial_buffer_fullness = hrd->buffer_size / 2;
} else {
hrd->buffer_size = 0;
GstBitWriter bs;
VAEncPackedHeaderParameterBuffer packed_seq_param = { 0 };
const VAEncSequenceParameterBufferH264 *const seq_param = sequence->param;
+ GstVaapiProfile profile = encoder->profile;
+
+ VAEncMiscParameterHRD hrd_params;
guint32 data_bit_size;
guint8 *data;
+ fill_hrd_params (encoder, &hrd_params);
+
gst_bit_writer_init (&bs, 128 * 8);
WRITE_UINT32 (&bs, 0x00000001, 32); /* start code */
- bs_write_nal_header (&bs,
- GST_VAAPI_ENCODER_H264_NAL_REF_IDC_HIGH, GST_VAAPI_ENCODER_H264_NAL_SPS);
- bs_write_sps (&bs, seq_param, encoder->profile);
+ bs_write_nal_header (&bs, GST_H264_NAL_REF_IDC_HIGH, GST_H264_NAL_SPS);
+
+ /* Set High profile for encoding the MVC base view. Otherwise, some
+ traditional decoder cannot recognize MVC profile streams with
+ only the base view in there */
+ if (profile == GST_VAAPI_PROFILE_H264_MULTIVIEW_HIGH ||
+ profile == GST_VAAPI_PROFILE_H264_STEREO_HIGH)
+ profile = GST_VAAPI_PROFILE_H264_HIGH;
+
+ bs_write_sps (&bs, seq_param, profile, &hrd_params);
+
g_assert (GST_BIT_WRITER_BIT_SIZE (&bs) % 8 == 0);
data_bit_size = GST_BIT_WRITER_BIT_SIZE (&bs);
data = GST_BIT_WRITER_DATA (&bs);
}
}
+static gboolean
+add_packed_sequence_header_mvc (GstVaapiEncoderH264 * encoder,
+ GstVaapiEncPicture * picture, GstVaapiEncSequence * sequence)
+{
+ GstVaapiEncPackedHeader *packed_seq;
+ GstBitWriter bs;
+ VAEncPackedHeaderParameterBuffer packed_header_param_buffer = { 0 };
+ const VAEncSequenceParameterBufferH264 *const seq_param = sequence->param;
+ VAEncMiscParameterHRD hrd_params;
+ guint32 data_bit_size;
+ guint8 *data;
+
+ fill_hrd_params (encoder, &hrd_params);
+
+ /* non-base layer, pack one subset sps */
+ gst_bit_writer_init (&bs, 128 * 8);
+ WRITE_UINT32 (&bs, 0x00000001, 32); /* start code */
+ bs_write_nal_header (&bs, GST_H264_NAL_REF_IDC_HIGH, GST_H264_NAL_SUBSET_SPS);
+
+ bs_write_subset_sps (&bs, seq_param, encoder->profile, encoder->num_views,
+ &hrd_params);
+
+ g_assert (GST_BIT_WRITER_BIT_SIZE (&bs) % 8 == 0);
+ data_bit_size = GST_BIT_WRITER_BIT_SIZE (&bs);
+ data = GST_BIT_WRITER_DATA (&bs);
+
+ 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 subset sps data */
+ _check_sps_pps_status (encoder, data + 4, data_bit_size / 8 - 4);
+ gst_bit_writer_clear (&bs, TRUE);
+ return TRUE;
+
+ /* ERRORS */
+bs_error:
+ {
+ GST_WARNING ("failed to write SPS NAL unit");
+ gst_bit_writer_clear (&bs, TRUE);
+ return FALSE;
+ }
+}
+
/* Adds the supplied picture header (PPS) to the list of packed
headers to pass down as-is to the encoder */
static gboolean
gst_bit_writer_init (&bs, 128 * 8);
WRITE_UINT32 (&bs, 0x00000001, 32); /* start code */
- bs_write_nal_header (&bs,
- GST_VAAPI_ENCODER_H264_NAL_REF_IDC_HIGH, GST_VAAPI_ENCODER_H264_NAL_PPS);
+ bs_write_nal_header (&bs, GST_H264_NAL_REF_IDC_HIGH, GST_H264_NAL_PPS);
bs_write_pps (&bs, pic_param, encoder->profile);
g_assert (GST_BIT_WRITER_BIT_SIZE (&bs) % 8 == 0);
data_bit_size = GST_BIT_WRITER_BIT_SIZE (&bs);
}
}
+static gboolean
+get_nal_hdr_attributes (GstVaapiEncPicture * picture,
+ guint8 * nal_ref_idc, guint8 * nal_unit_type)
+{
+ switch (picture->type) {
+ case GST_VAAPI_PICTURE_TYPE_I:
+ *nal_ref_idc = GST_H264_NAL_REF_IDC_HIGH;
+ if (GST_VAAPI_ENC_PICTURE_IS_IDR (picture))
+ *nal_unit_type = GST_H264_NAL_SLICE_IDR;
+ else
+ *nal_unit_type = GST_H264_NAL_SLICE;
+ break;
+ case GST_VAAPI_PICTURE_TYPE_P:
+ *nal_ref_idc = GST_H264_NAL_REF_IDC_MEDIUM;
+ *nal_unit_type = GST_H264_NAL_SLICE;
+ break;
+ case GST_VAAPI_PICTURE_TYPE_B:
+ *nal_ref_idc = GST_H264_NAL_REF_IDC_NONE;
+ *nal_unit_type = GST_H264_NAL_SLICE;
+ break;
+ default:
+ return FALSE;
+ }
+ return TRUE;
+}
+
+/* Adds the supplied prefix nal header to the list of packed
+ headers to pass down as-is to the encoder */
+static gboolean
+add_packed_prefix_nal_header (GstVaapiEncoderH264 * encoder,
+ GstVaapiEncPicture * picture, GstVaapiEncSlice * slice)
+{
+ GstVaapiEncPackedHeader *packed_prefix_nal;
+ GstBitWriter bs;
+ VAEncPackedHeaderParameterBuffer packed_prefix_nal_param = { 0 };
+ guint32 data_bit_size;
+ guint8 *data;
+ guint8 nal_ref_idc, nal_unit_type;
+
+ gst_bit_writer_init (&bs, 128 * 8);
+ WRITE_UINT32 (&bs, 0x00000001, 32); /* start code */
+
+ if (!get_nal_hdr_attributes (picture, &nal_ref_idc, &nal_unit_type))
+ goto bs_error;
+ nal_unit_type = GST_H264_NAL_PREFIX_UNIT;
+
+ bs_write_nal_header (&bs, nal_ref_idc, nal_unit_type);
+ bs_write_nal_header_mvc_extension (&bs, picture, encoder->view_idx);
+ g_assert (GST_BIT_WRITER_BIT_SIZE (&bs) % 8 == 0);
+ data_bit_size = GST_BIT_WRITER_BIT_SIZE (&bs);
+ data = GST_BIT_WRITER_DATA (&bs);
+
+ packed_prefix_nal_param.type = VAEncPackedHeaderRawData;
+ packed_prefix_nal_param.bit_length = data_bit_size;
+ packed_prefix_nal_param.has_emulation_bytes = 0;
+
+ packed_prefix_nal =
+ gst_vaapi_enc_packed_header_new (GST_VAAPI_ENCODER (encoder),
+ &packed_prefix_nal_param, sizeof (packed_prefix_nal_param), data,
+ (data_bit_size + 7) / 8);
+ g_assert (packed_prefix_nal);
+
+ gst_vaapi_enc_slice_add_packed_header (slice, packed_prefix_nal);
+ gst_vaapi_codec_object_replace (&packed_prefix_nal, NULL);
+
+ gst_bit_writer_clear (&bs, TRUE);
+
+ return TRUE;
+
+ /* ERRORS */
+bs_error:
+ {
+ GST_WARNING ("failed to write Prefix NAL unit header");
+ gst_bit_writer_clear (&bs, TRUE);
+ return FALSE;
+ }
+}
+
+/* Adds the supplied slice header to the list of packed
+ headers to pass down as-is to the encoder */
+static gboolean
+add_packed_slice_header (GstVaapiEncoderH264 * encoder,
+ GstVaapiEncPicture * picture, GstVaapiEncSlice * slice)
+{
+ GstVaapiEncPackedHeader *packed_slice;
+ GstBitWriter bs;
+ VAEncPackedHeaderParameterBuffer packed_slice_param = { 0 };
+ const VAEncSliceParameterBufferH264 *const slice_param = slice->param;
+ guint32 data_bit_size;
+ guint8 *data;
+ guint8 nal_ref_idc, nal_unit_type;
+
+ gst_bit_writer_init (&bs, 128 * 8);
+ WRITE_UINT32 (&bs, 0x00000001, 32); /* start code */
+
+ if (!get_nal_hdr_attributes (picture, &nal_ref_idc, &nal_unit_type))
+ goto bs_error;
+ bs_write_nal_header (&bs, nal_ref_idc, nal_unit_type);
+
+ bs_write_slice (&bs, slice_param, encoder, picture);
+ data_bit_size = GST_BIT_WRITER_BIT_SIZE (&bs);
+ data = GST_BIT_WRITER_DATA (&bs);
+
+ packed_slice_param.type = VAEncPackedHeaderSlice;
+ packed_slice_param.bit_length = data_bit_size;
+ packed_slice_param.has_emulation_bytes = 0;
+
+ packed_slice = gst_vaapi_enc_packed_header_new (GST_VAAPI_ENCODER (encoder),
+ &packed_slice_param, sizeof (packed_slice_param),
+ data, (data_bit_size + 7) / 8);
+ g_assert (packed_slice);
+
+ gst_vaapi_enc_slice_add_packed_header (slice, packed_slice);
+ gst_vaapi_codec_object_replace (&packed_slice, NULL);
+
+ gst_bit_writer_clear (&bs, TRUE);
+ return TRUE;
+
+ /* ERRORS */
+bs_error:
+ {
+ GST_WARNING ("failed to write Slice NAL unit header");
+ gst_bit_writer_clear (&bs, TRUE);
+ return FALSE;
+ }
+}
+
/* Reference picture management */
static void
reference_pic_free (GstVaapiEncoderH264 * encoder, GstVaapiEncoderH264Ref * ref)
GstVaapiEncPicture * picture, GstVaapiSurfaceProxy * surface)
{
GstVaapiEncoderH264Ref *ref;
+ GstVaapiH264ViewRefPool *const ref_pool =
+ &encoder->ref_pools[encoder->view_idx];
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_frames) {
- reference_pic_free (encoder, g_queue_pop_head (&encoder->ref_list));
+ while (!g_queue_is_empty (&ref_pool->ref_list))
+ reference_pic_free (encoder, g_queue_pop_head (&ref_pool->ref_list));
+ } else if (g_queue_get_length (&ref_pool->ref_list) >=
+ ref_pool->max_ref_frames) {
+ reference_pic_free (encoder, g_queue_pop_head (&ref_pool->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_frames);
+ g_queue_push_tail (&ref_pool->ref_list, ref);
+ g_assert (g_queue_get_length (&ref_pool->ref_list) <=
+ ref_pool->max_ref_frames);
return TRUE;
}
GstVaapiEncoderH264Ref ** reflist_1, guint * reflist_1_count)
{
GstVaapiEncoderH264Ref *tmp;
+ GstVaapiH264ViewRefPool *const ref_pool =
+ &encoder->ref_pools[encoder->view_idx];
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;
if (picture->type == GST_VAAPI_PICTURE_TYPE_I)
return TRUE;
- iter = g_queue_peek_tail_link (&encoder->ref_list);
+ iter = g_queue_peek_tail_link (&ref_pool->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)) {
+ if (_poc_greater_than (picture->poc, tmp->poc, encoder->max_pic_order_cnt)) {
list_0_start = iter;
list_1_start = g_list_next (iter);
break;
static gboolean
fill_sequence (GstVaapiEncoderH264 * encoder, GstVaapiEncSequence * sequence)
{
- GstVaapiEncoder *const base_encoder = GST_VAAPI_ENCODER_CAST (encoder);
VAEncSequenceParameterBufferH264 *const seq_param = sequence->param;
+ GstVaapiH264ViewRefPool *const ref_pool =
+ &encoder->ref_pools[encoder->view_idx];
memset (seq_param, 0, sizeof (VAEncSequenceParameterBufferH264));
- seq_param->seq_parameter_set_id = 0;
+ seq_param->seq_parameter_set_id = encoder->view_idx;
seq_param->level_idc = encoder->level_idc;
seq_param->intra_period = GST_VAAPI_ENCODER_KEYFRAME_PERIOD (encoder);
- seq_param->ip_period = 0; // ?
- if (base_encoder->bitrate > 0)
- seq_param->bits_per_second = base_encoder->bitrate * 1000;
- else
- seq_param->bits_per_second = 0;
+ seq_param->ip_period = 1 + encoder->num_bframes;
+ seq_param->bits_per_second = encoder->bitrate_bits;
- seq_param->max_num_ref_frames = encoder->max_ref_frames;
+ seq_param->max_num_ref_frames = ref_pool->max_ref_frames;
seq_param->picture_width_in_mbs = encoder->mb_width;
seq_param->picture_height_in_mbs = encoder->mb_height;
seq_param->seq_fields.bits.log2_max_frame_num_minus4 =
encoder->log2_max_frame_num - 4;
/* picture order count */
- seq_param->seq_fields.bits.pic_order_cnt_type = 0;
+ encoder->pic_order_cnt_type = seq_param->seq_fields.bits.pic_order_cnt_type =
+ 0;
g_assert (encoder->log2_max_pic_order_cnt >= 4);
seq_param->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4 =
encoder->log2_max_pic_order_cnt - 4;
/* not used if pic_order_cnt_type == 0 */
if (seq_param->seq_fields.bits.pic_order_cnt_type == 1) {
- seq_param->seq_fields.bits.delta_pic_order_always_zero_flag = TRUE;
+ encoder->delta_pic_order_always_zero_flag =
+ seq_param->seq_fields.bits.delta_pic_order_always_zero_flag = TRUE;
seq_param->num_ref_frames_in_pic_order_cnt_cycle = 0;
seq_param->offset_for_non_ref_pic = 0;
seq_param->offset_for_top_to_bottom_field = 0;
GstVaapiCodedBuffer * codedbuf, GstVaapiSurfaceProxy * surface)
{
VAEncPictureParameterBufferH264 *const pic_param = picture->param;
+ GstVaapiH264ViewRefPool *const ref_pool =
+ &encoder->ref_pools[encoder->view_idx];
GstVaapiEncoderH264Ref *ref_pic;
GList *reflist;
guint i;
pic_param->CurrPic.TopFieldOrderCnt = picture->poc;
i = 0;
if (picture->type != GST_VAAPI_PICTURE_TYPE_I) {
- for (reflist = g_queue_peek_head_link (&encoder->ref_list);
+ for (reflist = g_queue_peek_head_link (&ref_pool->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);
++i;
}
- g_assert (i <= 16 && i <= encoder->max_ref_frames);
+ g_assert (i <= 16 && i <= ref_pool->max_ref_frames);
}
for (; i < 16; ++i) {
pic_param->ReferenceFrames[i].picture_id = VA_INVALID_ID;
}
pic_param->coded_buf = GST_VAAPI_OBJECT_ID (codedbuf);
- pic_param->pic_parameter_set_id = 0;
- pic_param->seq_parameter_set_id = 0;
+ pic_param->pic_parameter_set_id = encoder->view_idx;
+ pic_param->seq_parameter_set_id = encoder->view_idx;
pic_param->last_picture = 0; /* means last encoding picture */
pic_param->frame_num = picture->frame_num;
pic_param->pic_init_qp = encoder->init_qp;
pic_param->num_ref_idx_l0_active_minus1 =
- (encoder->max_reflist0_count ? (encoder->max_reflist0_count - 1) : 0);
+ (ref_pool->max_reflist0_count ? (ref_pool->max_reflist0_count - 1) : 0);
pic_param->num_ref_idx_l1_active_minus1 =
- (encoder->max_reflist1_count ? (encoder->max_reflist1_count - 1) : 0);
+ (ref_pool->max_reflist1_count ? (ref_pool->max_reflist1_count - 1) : 0);
pic_param->chroma_qp_index_offset = 0;
pic_param->second_chroma_qp_index_offset = 0;
slice_param->macroblock_info = VA_INVALID_ID;
slice_param->slice_type = h264_get_slice_type (picture->type);
g_assert (slice_param->slice_type != -1);
- slice_param->pic_parameter_set_id = 0;
+ slice_param->pic_parameter_set_id = encoder->view_idx;
slice_param->idr_pic_id = encoder->idr_num;
slice_param->pic_order_cnt_lsb = picture->poc;
/* set calculation for next slice */
last_mb_index += cur_slice_mbs;
+ if (encoder->is_mvc &&
+ (GST_VAAPI_ENCODER_PACKED_HEADERS (encoder) & VA_ENC_PACKED_HEADER_RAW_DATA)
+ && !add_packed_prefix_nal_header (encoder, picture, slice))
+ goto error_create_packed_prefix_nal_hdr;
+ if ((GST_VAAPI_ENCODER_PACKED_HEADERS (encoder) &
+ VA_ENC_PACKED_HEADER_SLICE)
+ && !add_packed_slice_header (encoder, picture, slice))
+ goto error_create_packed_slice_hdr;
+
gst_vaapi_enc_picture_add_slice (picture, slice);
gst_vaapi_codec_object_replace (&slice, NULL);
}
g_assert (last_mb_index == mb_size);
return TRUE;
+
+error_create_packed_slice_hdr:
+ {
+ GST_ERROR ("failed to create packed slice header buffer");
+ gst_vaapi_codec_object_replace (&slice, NULL);
+ return FALSE;
+ }
+error_create_packed_prefix_nal_hdr:
+ {
+ GST_ERROR ("failed to create packed prefix nal header buffer");
+ gst_vaapi_codec_object_replace (&slice, NULL);
+ return FALSE;
+ }
}
/* Generates and submits SPS header accordingly into the bitstream */
static gboolean
ensure_sequence (GstVaapiEncoderH264 * encoder, GstVaapiEncPicture * picture)
{
- GstVaapiEncSequence *sequence;
+ GstVaapiEncSequence *sequence = NULL;
- g_assert (picture);
- sequence = GST_VAAPI_ENC_SEQUENCE_NEW (H264, encoder);
- g_assert (sequence);
- if (!sequence)
- goto error;
+ // Submit an SPS header before every new I-frame
+ if (picture->type != GST_VAAPI_PICTURE_TYPE_I)
+ return TRUE;
- if (!fill_sequence (encoder, sequence))
- goto error;
+ sequence = GST_VAAPI_ENC_SEQUENCE_NEW (H264, encoder);
+ if (!sequence || !fill_sequence (encoder, sequence))
+ goto error_create_seq_param;
+
+ /* add subset sps for non-base view and sps for base view */
+ if (encoder->is_mvc && encoder->view_idx) {
+ if ((GST_VAAPI_ENCODER_PACKED_HEADERS (encoder) & VAEncPackedHeaderH264_SPS)
+ && !add_packed_sequence_header_mvc (encoder, picture, sequence))
+ goto error_create_packed_seq_hdr;
+ } else {
+ if ((GST_VAAPI_ENCODER_PACKED_HEADERS (encoder) & VAEncPackedHeaderH264_SPS)
+ && !add_packed_sequence_header (encoder, picture, sequence))
+ goto error_create_packed_seq_hdr;
+ }
- if (picture->type == GST_VAAPI_PICTURE_TYPE_I &&
- !add_packed_sequence_header (encoder, picture, sequence))
- goto error;
- gst_vaapi_enc_picture_set_sequence (picture, sequence);
- gst_vaapi_codec_object_replace (&sequence, NULL);
+ if (sequence) {
+ gst_vaapi_enc_picture_set_sequence (picture, sequence);
+ gst_vaapi_codec_object_replace (&sequence, NULL);
+ }
return TRUE;
-error:
- gst_vaapi_codec_object_replace (&sequence, NULL);
- return FALSE;
+ /* ERRORS */
+error_create_seq_param:
+ {
+ GST_ERROR ("failed to create sequence parameter buffer (SPS)");
+ gst_vaapi_codec_object_replace (&sequence, NULL);
+ return FALSE;
+ }
+error_create_packed_seq_hdr:
+ {
+ GST_ERROR ("failed to create packed sequence header buffer");
+ gst_vaapi_codec_object_replace (&sequence, NULL);
+ return FALSE;
+ }
}
/* Generates additional control parameters */
static gboolean
ensure_misc_params (GstVaapiEncoderH264 * encoder, GstVaapiEncPicture * picture)
{
- GstVaapiEncoder *const base_encoder = GST_VAAPI_ENCODER_CAST (encoder);
GstVaapiEncMiscParam *misc = NULL;
VAEncMiscParameterRateControl *rate_control;
return FALSE;
rate_control = misc->data;
memset (rate_control, 0, sizeof (VAEncMiscParameterRateControl));
- if (base_encoder->bitrate)
- rate_control->bits_per_second = base_encoder->bitrate * 1000;
- else
- rate_control->bits_per_second = 0;
+ rate_control->bits_per_second = encoder->bitrate_bits;
rate_control->target_percentage = 70;
- rate_control->window_size = 500;
+ rate_control->window_size = encoder->cpb_length;
rate_control->initial_qp = encoder->init_qp;
rate_control->min_qp = encoder->min_qp;
rate_control->basic_unit_size = 0;
{
GstVaapiCodedBuffer *const codedbuf =
GST_VAAPI_CODED_BUFFER_PROXY_BUFFER (codedbuf_proxy);
+ gboolean res = FALSE;
- if (!fill_picture (encoder, picture, codedbuf, surface))
+ res = fill_picture (encoder, picture, codedbuf, surface);
+
+ if (!res)
return FALSE;
if (picture->type == GST_VAAPI_PICTURE_TYPE_I &&
- !add_packed_picture_header (encoder, picture)) {
+ (GST_VAAPI_ENCODER_PACKED_HEADERS (encoder) & VAEncPackedHeaderH264_PPS)
+ && !add_packed_picture_header (encoder, picture)) {
GST_ERROR ("set picture packed header failed");
return FALSE;
}
{
GstVaapiEncoderH264Ref *reflist_0[16];
GstVaapiEncoderH264Ref *reflist_1[16];
+ GstVaapiH264ViewRefPool *const ref_pool =
+ &encoder->ref_pools[encoder->view_idx];
guint reflist_0_count = 0, reflist_1_count = 0;
g_assert (picture);
return FALSE;
}
- g_assert (reflist_0_count + reflist_1_count <= encoder->max_ref_frames);
- 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;
+ g_assert (reflist_0_count + reflist_1_count <= ref_pool->max_ref_frames);
+ if (reflist_0_count > ref_pool->max_reflist0_count)
+ reflist_0_count = ref_pool->max_reflist0_count;
+ if (reflist_1_count > ref_pool->max_reflist1_count)
+ reflist_1_count = ref_pool->max_reflist1_count;
if (!add_slice_headers (encoder, picture,
reflist_0, reflist_0_count, reflist_1, reflist_1_count))
return TRUE;
}
+/* Normalizes bitrate (and CPB size) for HRD conformance */
+static void
+ensure_bitrate_hrd (GstVaapiEncoderH264 * encoder)
+{
+ GstVaapiEncoder *const base_encoder = GST_VAAPI_ENCODER_CAST (encoder);
+ guint bitrate, cpb_size;
+
+ if (!base_encoder->bitrate) {
+ encoder->bitrate_bits = 0;
+ return;
+ }
+
+ /* Round down bitrate. This is a hard limit mandated by the user */
+ g_assert (SX_BITRATE >= 6);
+ bitrate = (base_encoder->bitrate * 1000) & ~((1U << SX_BITRATE) - 1);
+ GST_DEBUG ("HRD bitrate: %u bits/sec", bitrate);
+ encoder->bitrate_bits = bitrate;
+
+ /* Round up CPB size. This is an HRD compliance detail */
+ g_assert (SX_CPB_SIZE >= 4);
+ cpb_size = gst_util_uint64_scale (bitrate, encoder->cpb_length, 1000) &
+ ~((1U << SX_CPB_SIZE) - 1);
+ GST_DEBUG ("HRD CPB size: %u bits", cpb_size);
+ encoder->cpb_length_bits = cpb_size;
+}
+
/* Estimates a good enough bitrate if none was supplied */
static void
ensure_bitrate (GstVaapiEncoderH264 * encoder)
base_encoder->bitrate = 0;
break;
}
+ ensure_bitrate_hrd (encoder);
}
/* Constructs profile and level information based on user-defined limits */
if (!ensure_profile (encoder) || !ensure_profile_limits (encoder))
return GST_VAAPI_ENCODER_STATUS_ERROR_UNSUPPORTED_PROFILE;
- if (!ensure_level (encoder))
- return GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED;
-
/* Check HW constraints */
if (!ensure_hw_profile_limits (encoder))
return GST_VAAPI_ENCODER_STATUS_ERROR_UNSUPPORTED_PROFILE;
if (encoder->profile_idc > encoder->hw_max_profile_idc)
return GST_VAAPI_ENCODER_STATUS_ERROR_UNSUPPORTED_PROFILE;
+
+ /* Ensure bitrate if not set already and derive the right level to use */
+ ensure_bitrate (encoder);
+ if (!ensure_level (encoder))
+ return GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED;
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
}
reset_properties (GstVaapiEncoderH264 * encoder)
{
GstVaapiEncoder *const base_encoder = GST_VAAPI_ENCODER_CAST (encoder);
- guint mb_size;
+ guint mb_size, i;
if (encoder->idr_period < base_encoder->keyframe_period)
encoder->idr_period = base_encoder->keyframe_period;
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;
- encoder->max_reflist1_count = encoder->num_bframes > 0;
- encoder->max_ref_frames =
- encoder->max_reflist0_count + encoder->max_reflist1_count;
+
+ encoder->is_mvc = encoder->num_views > 1;
+ for (i = 0; i < encoder->num_views; i++) {
+ GstVaapiH264ViewRefPool *const ref_pool = &encoder->ref_pools[i];
+ ref_pool->max_reflist0_count = 1;
+ ref_pool->max_reflist1_count = encoder->num_bframes > 0;
+ ref_pool->max_ref_frames = ref_pool->max_reflist0_count
+ + ref_pool->max_reflist1_count;
+
+ GstVaapiH264ViewReorderPool *const reorder_pool =
+ &encoder->reorder_pools[i];
+ reorder_pool->frame_index = 0;
+ }
}
static GstVaapiEncoderStatus
{
GstVaapiEncoderH264 *const encoder =
GST_VAAPI_ENCODER_H264_CAST (base_encoder);
+ GstVaapiH264ViewReorderPool *reorder_pool;
GstVaapiEncPicture *pic;
+ guint i;
- encoder->frame_index = 0;
- encoder->cur_frame_num = 0;
- encoder->cur_present_index = 0;
- while (!g_queue_is_empty (&encoder->reorder_frame_list)) {
- pic = g_queue_pop_head (&encoder->reorder_frame_list);
- gst_vaapi_enc_picture_unref (pic);
+ for (i = 0; i < encoder->num_views; i++) {
+ reorder_pool = &encoder->reorder_pools[i];
+ reorder_pool->frame_index = 0;
+ reorder_pool->cur_frame_num = 0;
+ reorder_pool->cur_present_index = 0;
+
+ while (!g_queue_is_empty (&reorder_pool->reorder_frame_list)) {
+ pic = (GstVaapiEncPicture *)
+ g_queue_pop_head (&reorder_pool->reorder_frame_list);
+ gst_vaapi_enc_picture_unref (pic);
+ }
+ g_queue_clear (&reorder_pool->reorder_frame_list);
}
- g_queue_clear (&encoder->reorder_frame_list);
return GST_VAAPI_ENCODER_STATUS_SUCCESS;
}
{
GstVaapiEncoderH264 *const encoder =
GST_VAAPI_ENCODER_H264_CAST (base_encoder);
+ GstVaapiH264ViewReorderPool *reorder_pool = NULL;
GstVaapiEncPicture *picture;
gboolean is_idr = FALSE;
*output = NULL;
+ /* encoding views alternatively for MVC */
+ if (encoder->is_mvc) {
+ if (frame)
+ encoder->view_idx = frame->system_frame_number % MAX_NUM_VIEWS;
+ else
+ encoder->view_idx = (encoder->view_idx + 1) % MAX_NUM_VIEWS;
+ }
+ reorder_pool = &encoder->reorder_pools[encoder->view_idx];
+
if (!frame) {
- if (encoder->reorder_state != GST_VAAPI_ENC_H264_REORD_DUMP_FRAMES)
+ if (reorder_pool->reorder_state != GST_VAAPI_ENC_H264_REORD_DUMP_FRAMES)
return GST_VAAPI_ENCODER_STATUS_NO_SURFACE;
/* 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->num_bframes > 0);
- g_return_val_if_fail (!g_queue_is_empty (&encoder->reorder_frame_list),
+ g_return_val_if_fail (!g_queue_is_empty (&reorder_pool->reorder_frame_list),
GST_VAAPI_ENCODER_STATUS_ERROR_UNKNOWN);
- picture = g_queue_pop_head (&encoder->reorder_frame_list);
+ picture = g_queue_pop_head (&reorder_pool->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;
+ if (g_queue_is_empty (&reorder_pool->reorder_frame_list)) {
+ reorder_pool->reorder_state = GST_VAAPI_ENC_H264_REORD_WAIT_FRAMES;
}
goto end;
}
GST_TIME_FORMAT, GST_TIME_ARGS (frame->pts));
return GST_VAAPI_ENCODER_STATUS_ERROR_ALLOCATION_FAILED;
}
- ++encoder->cur_present_index;
- picture->poc = ((encoder->cur_present_index * 2) %
+ ++reorder_pool->cur_present_index;
+ picture->poc = ((reorder_pool->cur_present_index * 2) %
encoder->max_pic_order_cnt);
- is_idr = (encoder->frame_index == 0 ||
- encoder->frame_index >= encoder->idr_period);
+ is_idr = (reorder_pool->frame_index == 0 ||
+ reorder_pool->frame_index >= encoder->idr_period);
/* check key frames */
if (is_idr || GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME (frame) ||
- (encoder->frame_index % GST_VAAPI_ENCODER_KEYFRAME_PERIOD (encoder)) ==
- 0) {
- ++encoder->cur_frame_num;
- ++encoder->frame_index;
+ (reorder_pool->frame_index %
+ GST_VAAPI_ENCODER_KEYFRAME_PERIOD (encoder)) == 0) {
+ ++reorder_pool->cur_frame_num;
+ ++reorder_pool->frame_index;
/* b frame enabled, check queue of reorder_frame_list */
if (encoder->num_bframes
- && !g_queue_is_empty (&encoder->reorder_frame_list)) {
+ && !g_queue_is_empty (&reorder_pool->reorder_frame_list)) {
GstVaapiEncPicture *p_pic;
- p_pic = g_queue_pop_tail (&encoder->reorder_frame_list);
+ p_pic = g_queue_pop_tail (&reorder_pool->reorder_frame_list);
set_p_frame (p_pic, encoder);
- g_queue_foreach (&encoder->reorder_frame_list,
+ g_queue_foreach (&reorder_pool->reorder_frame_list,
(GFunc) set_b_frame, encoder);
- ++encoder->cur_frame_num;
+ ++reorder_pool->cur_frame_num;
set_key_frame (picture, encoder, is_idr);
- g_queue_push_tail (&encoder->reorder_frame_list, picture);
+ g_queue_push_tail (&reorder_pool->reorder_frame_list, picture);
picture = p_pic;
- encoder->reorder_state = GST_VAAPI_ENC_H264_REORD_DUMP_FRAMES;
+ reorder_pool->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));
+ g_assert (g_queue_is_empty (&reorder_pool->reorder_frame_list));
if (encoder->num_bframes)
- encoder->reorder_state = GST_VAAPI_ENC_H264_REORD_WAIT_FRAMES;
+ reorder_pool->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) <
+ ++reorder_pool->frame_index;
+ if (reorder_pool->reorder_state == GST_VAAPI_ENC_H264_REORD_WAIT_FRAMES &&
+ g_queue_get_length (&reorder_pool->reorder_frame_list) <
encoder->num_bframes) {
- g_queue_push_tail (&encoder->reorder_frame_list, picture);
+ g_queue_push_tail (&reorder_pool->reorder_frame_list, picture);
return GST_VAAPI_ENCODER_STATUS_NO_SURFACE;
}
- ++encoder->cur_frame_num;
+ ++reorder_pool->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,
+ if (reorder_pool->reorder_state == GST_VAAPI_ENC_H264_REORD_WAIT_FRAMES) {
+ g_queue_foreach (&reorder_pool->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));
+ reorder_pool->reorder_state = GST_VAAPI_ENC_H264_REORD_DUMP_FRAMES;
+ g_assert (!g_queue_is_empty (&reorder_pool->reorder_frame_list));
}
end:
return GST_VAAPI_ENCODER_STATUS_ERROR_UNSUPPORTED_PROFILE;
base_encoder->num_ref_frames =
- (encoder->num_bframes ? 2 : 1) + DEFAULT_SURFACES_COUNT;
+ ((encoder->num_bframes ? 2 : 1) + DEFAULT_SURFACES_COUNT)
+ * encoder->num_views;
/* Only YUV 4:2:0 formats are supported for now. This means that we
have a limit of 3200 bits per macroblock. */
if (status != GST_VAAPI_ENCODER_STATUS_SUCCESS)
return status;
- ensure_bitrate (encoder);
-
reset_properties (encoder);
return set_context_info (base_encoder);
}
{
GstVaapiEncoderH264 *const encoder =
GST_VAAPI_ENCODER_H264_CAST (base_encoder);
+ guint32 i;
+
+ /* Multi-view coding information */
+ encoder->is_mvc = FALSE;
+ encoder->num_views = 1;
+ encoder->view_idx = 0;
+
+ /* re-ordering list initialize */
+ for (i = 0; i < MAX_NUM_VIEWS; i++) {
+ GstVaapiH264ViewReorderPool *const reorder_pool =
+ &encoder->reorder_pools[i];
+ g_queue_init (&reorder_pool->reorder_frame_list);
+ reorder_pool->reorder_state = GST_VAAPI_ENC_H264_REORD_NONE;
+ reorder_pool->frame_index = 0;
+ reorder_pool->cur_frame_num = 0;
+ reorder_pool->cur_present_index = 0;
+ }
- /* re-ordering */
- g_queue_init (&encoder->reorder_frame_list);
- encoder->reorder_state = GST_VAAPI_ENC_H264_REORD_NONE;
-
- /* reference frames */
- g_queue_init (&encoder->ref_list);
- encoder->max_ref_frames = 0;
- encoder->max_reflist0_count = 1;
- encoder->max_reflist1_count = 1;
+ /* reference list info initialize */
+ for (i = 0; i < MAX_NUM_VIEWS; i++) {
+ GstVaapiH264ViewRefPool *const ref_pool = &encoder->ref_pools[i];
+ g_queue_init (&ref_pool->ref_list);
+ ref_pool->max_ref_frames = 0;
+ ref_pool->max_reflist0_count = 1;
+ ref_pool->max_reflist1_count = 1;
+ }
return TRUE;
}
GST_VAAPI_ENCODER_H264_CAST (base_encoder);
GstVaapiEncPicture *pic;
GstVaapiEncoderH264Ref *ref;
+ guint32 i;
gst_buffer_replace (&encoder->sps_data, NULL);
+ gst_buffer_replace (&encoder->subset_sps_data, NULL);
gst_buffer_replace (&encoder->pps_data, NULL);
- while (!g_queue_is_empty (&encoder->ref_list)) {
- ref = g_queue_pop_head (&encoder->ref_list);
- reference_pic_free (encoder, ref);
+ /* reference list info de-init */
+ for (i = 0; i < MAX_NUM_VIEWS; i++) {
+ GstVaapiH264ViewRefPool *const ref_pool = &encoder->ref_pools[i];
+ while (!g_queue_is_empty (&ref_pool->ref_list)) {
+ ref = (GstVaapiEncoderH264Ref *) g_queue_pop_head (&ref_pool->ref_list);
+ reference_pic_free (encoder, ref);
+ }
+ g_queue_clear (&ref_pool->ref_list);
}
- g_queue_clear (&encoder->ref_list);
- while (!g_queue_is_empty (&encoder->reorder_frame_list)) {
- pic = g_queue_pop_head (&encoder->reorder_frame_list);
- gst_vaapi_enc_picture_unref (pic);
+ /* re-ordering list initialize */
+ for (i = 0; i < MAX_NUM_VIEWS; i++) {
+ GstVaapiH264ViewReorderPool *const reorder_pool =
+ &encoder->reorder_pools[i];
+ while (!g_queue_is_empty (&reorder_pool->reorder_frame_list)) {
+ pic = (GstVaapiEncPicture *)
+ g_queue_pop_head (&reorder_pool->reorder_frame_list);
+ gst_vaapi_enc_picture_unref (pic);
+ }
+ g_queue_clear (&reorder_pool->reorder_frame_list);
}
- g_queue_clear (&encoder->reorder_frame_list);
-
}
static GstVaapiEncoderStatus
case GST_VAAPI_ENCODER_H264_PROP_DCT8X8:
encoder->use_dct8x8 = g_value_get_boolean (value);
break;
+ case GST_VAAPI_ENCODER_H264_PROP_CPB_LENGTH:
+ encoder->cpb_length = g_value_get_uint (value);
+ break;
+ case GST_VAAPI_ENCODER_H264_PROP_NUM_VIEWS:
+ encoder->num_views = g_value_get_uint (value);
+ break;
default:
return GST_VAAPI_ENCODER_STATUS_ERROR_INVALID_PARAMETER;
}
"Enable adaptive use of 8x8 transforms in I-frames",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ /**
+ * GstVaapiEncoderH264:cpb-length:
+ *
+ * The size of the CPB buffer in milliseconds.
+ */
+ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props,
+ GST_VAAPI_ENCODER_H264_PROP_CPB_LENGTH,
+ g_param_spec_uint ("cpb-length",
+ "CPB Length", "Length of the CPB buffer in milliseconds",
+ 1, 10000, DEFAULT_CPB_LENGTH,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ /**
+ * GstVaapiEncoderH264:num-views:
+ *
+ * The number of views for MVC encoding .
+ */
+ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props,
+ GST_VAAPI_ENCODER_H264_PROP_NUM_VIEWS,
+ g_param_spec_uint ("num-views",
+ "Number of Views",
+ "Number of Views for MVC encoding",
+ 1, MAX_NUM_VIEWS, 1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
return props;
}
projects / platform / upstream / gstreamer-vaapi.git / blobdiff