/* * gstvaapifeipak_h264.c - H.264 FEI PAK * * Copyright (C) 2012-2016 Intel Corporation * Author: Chen, Xiaomin * Author: Sreerenj Balachandran * * 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 */ /* GValueArray has deprecated without providing an alternative in glib >= 2.32 * See https://bugzilla.gnome.org/show_bug.cgi?id=667228 */ #define GLIB_DISABLE_DEPRECATION_WARNINGS #include "sysdeps.h" #include #include #include #include "gstvaapicompat.h" #include "gstvaapiencoder_priv.h" #include "gstvaapifeipak_h264.h" #include "gstvaapiutils_h264_priv.h" #include "gstvaapicodedbufferproxy_priv.h" #include "gstvaapisurface.h" #define DEBUG 1 #include "gstvaapidebug.h" /* Define the maximum number of views supported */ #define MAX_NUM_VIEWS 10 /* Define the maximum value for view-id */ #define MAX_VIEW_ID 1023 /* 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 (CQP) | \ GST_VAAPI_RATECONTROL_MASK (CBR) | \ GST_VAAPI_RATECONTROL_MASK (VBR) | \ GST_VAAPI_RATECONTROL_MASK (VBR_CONSTRAINED)) /* Supported set of tuning options, within this implementation */ #define SUPPORTED_TUNE_OPTIONS \ (GST_VAAPI_ENCODER_TUNE_MASK (NONE) | \ GST_VAAPI_ENCODER_TUNE_MASK (HIGH_COMPRESSION) | \ GST_VAAPI_ENCODER_TUNE_MASK (LOW_POWER)) /* 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) #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 { GstVaapiSurfaceProxy *pic; guint poc; guint frame_num; } GstVaapiFEIPakH264Ref; typedef enum { GST_VAAPI_FEIPAK_H264_REORD_NONE = 0, GST_VAAPI_FEIPAK_H264_REORD_DUMP_FRAMES = 1, GST_VAAPI_FEIPAK_H264_REORD_WAIT_FRAMES = 2 } GstVaapiFEIPakH264ReorderState; typedef struct _GstVaapiH264FEIPakViewRefPool { GQueue ref_list; guint max_ref_frames; guint max_reflist0_count; guint max_reflist1_count; } GstVaapiH264FEIPakViewRefPool; typedef struct _GstVaapiH264FEIPakViewReorderPool { GQueue reorder_frame_list; guint reorder_state; guint frame_index; guint frame_count; /* monotonically increasing with in every idr period */ guint cur_frame_num; guint cur_present_index; } GstVaapiH264FEIPakViewReorderPool; /* ------------------------------------------------------------------------- */ /* --- H.264 FEI PAK --- */ /* ------------------------------------------------------------------------- */ struct _GstVaapiFEIPakH264 { GstVaapiMiniObject parent_instance; GstVaapiEncoder *encoder; VAEncSequenceParameterBufferH264 h264_sps; VAEncPictureParameterBufferH264 h264_pps; GArray *h264_slice_params; GstVaapiProfile profile; GstVaapiEntrypoint entrypoint; GstVaapiDisplay *display; VAContextID va_context; guint8 profile_idc; guint8 hw_max_profile_idc; guint32 num_slices; guint slice_type; gboolean is_idr; guint32 num_bframes; guint32 mb_width; guint32 mb_height; gboolean props_reconfigured; gboolean config_changed; guint32 max_pic_order_cnt; guint32 log2_max_pic_order_cnt; GstBuffer *sps_data; GstBuffer *subset_sps_data; GstBuffer *pps_data; guint32 num_ref_frames; // set reference frame num /* MVC */ gboolean is_mvc; guint32 view_idx; /* View Order Index (VOIdx) */ guint32 num_views; guint16 view_ids[MAX_NUM_VIEWS]; GstVaapiH264FEIPakViewRefPool ref_pools[MAX_NUM_VIEWS]; }; static inline gboolean _poc_greater_than (guint poc1, guint poc2, guint max_poc) { return (((poc1 - poc2) & (max_poc - 1)) < max_poc / 2); } /* ------------------------------------------------------------------------- */ /* --- H.264 Bitstream Writer --- */ /* ------------------------------------------------------------------------- */ #define WRITE_UINT32(bs, val, nbits) do { \ if (!gst_bit_writer_put_bits_uint32 (bs, val, nbits)) { \ GST_WARNING ("failed to write uint32, nbits: %d", nbits); \ goto bs_error; \ } \ } while (0) #define WRITE_UE(bs, val) do { \ if (!bs_write_ue (bs, val)) { \ GST_WARNING ("failed to write ue(v)"); \ goto bs_error; \ } \ } while (0) #define WRITE_SE(bs, val) do { \ if (!bs_write_se (bs, val)) { \ GST_WARNING ("failed to write se(v)"); \ goto bs_error; \ } \ } while (0) /* Write an unsigned integer Exp-Golomb-coded syntax element. i.e. ue(v) */ static gboolean bs_write_ue (GstBitWriter * bs, 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 (bs, 0, size_in_bits - 1)) return FALSE; if (!gst_bit_writer_put_bits_uint32 (bs, value, size_in_bits)) return FALSE; return TRUE; } /* Write a signed integer Exp-Golomb-coded syntax element. i.e. se(v) */ static gboolean bs_write_se (GstBitWriter * bs, gint32 value) { guint32 new_val; if (value <= 0) new_val = -(value << 1); else new_val = (value << 1) - 1; if (!bs_write_ue (bs, new_val)) return FALSE; return TRUE; } /* Write the NAL unit header */ static gboolean bs_write_nal_header (GstBitWriter * bs, guint32 nal_ref_idc, guint32 nal_unit_type) { WRITE_UINT32 (bs, 0, 1); WRITE_UINT32 (bs, nal_ref_idc, 2); WRITE_UINT32 (bs, nal_unit_type, 5); return TRUE; /* ERRORS */ bs_error: { GST_WARNING ("failed to write NAL unit header"); return FALSE; } } /* 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) { if (!gst_bit_writer_put_bits_uint32 (bs, 1, 1)) goto bs_error; gst_bit_writer_align_bytes_unchecked (bs, 0); return TRUE; /* ERRORS */ bs_error: { GST_WARNING ("failed to write NAL unit trailing bits"); return FALSE; } } /* Write an SPS NAL unit */ static gboolean 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; 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_param->seq_fields.bits.frame_mbs_only_flag ? seq_param->picture_height_in_mbs : seq_param->picture_height_in_mbs / 2); guint32 mb_adaptive_frame_field = !seq_param->seq_fields.bits.frame_mbs_only_flag; guint32 i = 0; profile_idc = gst_vaapi_utils_h264_get_profile_idc (profile); constraint_set0_flag = /* A.2.1 (baseline profile constraints) */ profile == GST_VAAPI_PROFILE_H264_BASELINE || profile == GST_VAAPI_PROFILE_H264_CONSTRAINED_BASELINE; constraint_set1_flag = /* A.2.2 (main profile constraints) */ profile == GST_VAAPI_PROFILE_H264_MAIN || profile == GST_VAAPI_PROFILE_H264_CONSTRAINED_BASELINE; constraint_set2_flag = 0; constraint_set3_flag = 0; /* profile_idc */ WRITE_UINT32 (bs, profile_idc, 8); /* constraint_set0_flag */ WRITE_UINT32 (bs, constraint_set0_flag, 1); /* constraint_set1_flag */ WRITE_UINT32 (bs, constraint_set1_flag, 1); /* constraint_set2_flag */ WRITE_UINT32 (bs, constraint_set2_flag, 1); /* constraint_set3_flag */ WRITE_UINT32 (bs, constraint_set3_flag, 1); /* reserved_zero_4bits */ WRITE_UINT32 (bs, 0, 4); /* level_idc */ WRITE_UINT32 (bs, seq_param->level_idc, 8); /* seq_parameter_set_id */ WRITE_UE (bs, seq_param->seq_parameter_set_id); 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); if (3 == seq_param->seq_fields.bits.chroma_format_idc) { WRITE_UINT32 (bs, residual_color_transform_flag, 1); } /* bit_depth_luma_minus8 */ WRITE_UE (bs, seq_param->bit_depth_luma_minus8); /* bit_depth_chroma_minus8 */ WRITE_UE (bs, seq_param->bit_depth_chroma_minus8); /* b_qpprime_y_zero_transform_bypass */ WRITE_UINT32 (bs, b_qpprime_y_zero_transform_bypass, 1); /* seq_scaling_matrix_present_flag */ g_assert (seq_param->seq_fields.bits.seq_scaling_matrix_present_flag == 0); WRITE_UINT32 (bs, seq_param->seq_fields.bits.seq_scaling_matrix_present_flag, 1); #if 0 if (seq_param->seq_fields.bits.seq_scaling_matrix_present_flag) { for (i = 0; i < (seq_param->seq_fields.bits.chroma_format_idc != 3 ? 8 : 12); i++) { gst_bit_writer_put_bits_uint8 (bs, seq_param->seq_fields.bits.seq_scaling_list_present_flag, 1); if (seq_param->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 */ WRITE_UE (bs, seq_param->seq_fields.bits.log2_max_frame_num_minus4); /* pic_order_cnt_type */ WRITE_UE (bs, seq_param->seq_fields.bits.pic_order_cnt_type); if (seq_param->seq_fields.bits.pic_order_cnt_type == 0) { /* log2_max_pic_order_cnt_lsb_minus4 */ WRITE_UE (bs, seq_param->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4); } else if (seq_param->seq_fields.bits.pic_order_cnt_type == 1) { g_assert (0 && "only POC type 0 is supported"); WRITE_UINT32 (bs, seq_param->seq_fields.bits.delta_pic_order_always_zero_flag, 1); WRITE_SE (bs, seq_param->offset_for_non_ref_pic); WRITE_SE (bs, seq_param->offset_for_top_to_bottom_field); WRITE_UE (bs, seq_param->num_ref_frames_in_pic_order_cnt_cycle); for (i = 0; i < seq_param->num_ref_frames_in_pic_order_cnt_cycle; i++) { WRITE_SE (bs, seq_param->offset_for_ref_frame[i]); } } /* num_ref_frames */ WRITE_UE (bs, seq_param->max_num_ref_frames); /* gaps_in_frame_num_value_allowed_flag */ WRITE_UINT32 (bs, gaps_in_frame_num_value_allowed_flag, 1); /* pic_width_in_mbs_minus1 */ WRITE_UE (bs, seq_param->picture_width_in_mbs - 1); /* pic_height_in_map_units_minus1 */ WRITE_UE (bs, pic_height_in_map_units - 1); /* frame_mbs_only_flag */ WRITE_UINT32 (bs, seq_param->seq_fields.bits.frame_mbs_only_flag, 1); if (!seq_param->seq_fields.bits.frame_mbs_only_flag) { //ONLY mbs g_assert (0 && "only progressive frames encoding is supported"); WRITE_UINT32 (bs, mb_adaptive_frame_field, 1); } /* direct_8x8_inference_flag */ WRITE_UINT32 (bs, 0, 1); /* frame_cropping_flag */ WRITE_UINT32 (bs, seq_param->frame_cropping_flag, 1); if (seq_param->frame_cropping_flag) { /* frame_crop_left_offset */ WRITE_UE (bs, seq_param->frame_crop_left_offset); /* frame_crop_right_offset */ WRITE_UE (bs, seq_param->frame_crop_right_offset); /* frame_crop_top_offset */ WRITE_UE (bs, seq_param->frame_crop_top_offset); /* frame_crop_bottom_offset */ WRITE_UE (bs, seq_param->frame_crop_bottom_offset); } /* vui_parameters_present_flag */ WRITE_UINT32 (bs, seq_param->vui_parameters_present_flag, 1); if (seq_param->vui_parameters_present_flag) { /* aspect_ratio_info_present_flag */ WRITE_UINT32 (bs, seq_param->vui_fields.bits.aspect_ratio_info_present_flag, 1); if (seq_param->vui_fields.bits.aspect_ratio_info_present_flag) { WRITE_UINT32 (bs, seq_param->aspect_ratio_idc, 8); if (seq_param->aspect_ratio_idc == 0xFF) { WRITE_UINT32 (bs, seq_param->sar_width, 16); WRITE_UINT32 (bs, seq_param->sar_height, 16); } } /* overscan_info_present_flag */ WRITE_UINT32 (bs, 0, 1); /* video_signal_type_present_flag */ WRITE_UINT32 (bs, 0, 1); /* chroma_loc_info_present_flag */ WRITE_UINT32 (bs, 0, 1); /* timing_info_present_flag */ WRITE_UINT32 (bs, seq_param->vui_fields.bits.timing_info_present_flag, 1); if (seq_param->vui_fields.bits.timing_info_present_flag) { WRITE_UINT32 (bs, seq_param->num_units_in_tick, 32); WRITE_UINT32 (bs, seq_param->time_scale, 32); WRITE_UINT32 (bs, 1, 1); /* fixed_frame_rate_flag */ } /* nal_hrd_parameters_present_flag */ nal_hrd_parameters_present_flag = seq_param->bits_per_second > 0; 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, 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 >> SX_BITRATE) - 1); /* cpb_size_value_minus1[0] */ WRITE_UE (bs, (hrd_params->buffer_size >> SX_CPB_SIZE) - 1); /* cbr_flag[0] */ WRITE_UINT32 (bs, 1, 1); } /* initial_cpb_removal_delay_length_minus1 */ WRITE_UINT32 (bs, 23, 5); /* cpb_removal_delay_length_minus1 */ WRITE_UINT32 (bs, 23, 5); /* dpb_output_delay_length_minus1 */ WRITE_UINT32 (bs, 23, 5); /* 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 */ WRITE_UINT32 (bs, 0, 1); } /* pic_struct_present_flag */ WRITE_UINT32 (bs, 1, 1); /* 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 (GstVaapiFEIPakH264 * feipak, 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 (GstVaapiFEIPakH264 * feipak, GstBitWriter * bs, const VAEncSequenceParameterBufferH264 * seq_param, GstVaapiProfile profile, guint num_views, guint16 * view_ids, 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, view_ids[i]); for (i = 1; i <= num_views_minus1; i++) { guint32 num_anchor_refs_l0 = 0; guint32 num_anchor_refs_l1 = 0; WRITE_UE (bs, num_anchor_refs_l0); for (j = 0; j < num_anchor_refs_l0; j++) WRITE_UE (bs, 0); 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++) { guint32 num_non_anchor_refs_l0 = 0; guint32 num_non_anchor_refs_l1 = 0; WRITE_UE (bs, num_non_anchor_refs_l0); for (j = 0; j < num_non_anchor_refs_l0; j++) WRITE_UE (bs, 0); 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); WRITE_UE (bs, num_level_values_signalled_minus1); 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); return TRUE; /* ERRORS */ bs_error: { GST_WARNING ("failed to write subset SPS NAL unit"); return FALSE; } return FALSE; } /* Write a PPS NAL unit */ static gboolean bs_write_pps (GstBitWriter * bs, const VAEncPictureParameterBufferH264 * pic_param, GstVaapiProfile profile) { guint32 num_slice_groups_minus1 = 0; guint32 pic_init_qs_minus26 = 0; guint32 redundant_pic_cnt_present_flag = 0; /* pic_parameter_set_id */ WRITE_UE (bs, pic_param->pic_parameter_set_id); /* seq_parameter_set_id */ WRITE_UE (bs, pic_param->seq_parameter_set_id); /* entropy_coding_mode_flag */ WRITE_UINT32 (bs, pic_param->pic_fields.bits.entropy_coding_mode_flag, 1); /* pic_order_present_flag */ WRITE_UINT32 (bs, pic_param->pic_fields.bits.pic_order_present_flag, 1); /* slice_groups-1 */ WRITE_UE (bs, num_slice_groups_minus1); if (num_slice_groups_minus1 > 0) { /*FIXME*/ g_assert (0 && "unsupported arbitrary slice ordering (ASO)"); } WRITE_UE (bs, pic_param->num_ref_idx_l0_active_minus1); WRITE_UE (bs, pic_param->num_ref_idx_l1_active_minus1); WRITE_UINT32 (bs, pic_param->pic_fields.bits.weighted_pred_flag, 1); WRITE_UINT32 (bs, pic_param->pic_fields.bits.weighted_bipred_idc, 2); /* pic_init_qp_minus26 */ WRITE_SE (bs, pic_param->pic_init_qp - 26); /* pic_init_qs_minus26 */ WRITE_SE (bs, pic_init_qs_minus26); /* chroma_qp_index_offset */ WRITE_SE (bs, pic_param->chroma_qp_index_offset); WRITE_UINT32 (bs, pic_param->pic_fields.bits.deblocking_filter_control_present_flag, 1); WRITE_UINT32 (bs, pic_param->pic_fields.bits.constrained_intra_pred_flag, 1); WRITE_UINT32 (bs, redundant_pic_cnt_present_flag, 1); /* more_rbsp_data */ if (profile == GST_VAAPI_PROFILE_H264_HIGH) { WRITE_UINT32 (bs, pic_param->pic_fields.bits.transform_8x8_mode_flag, 1); WRITE_UINT32 (bs, pic_param->pic_fields.bits.pic_scaling_matrix_present_flag, 1); if (pic_param->pic_fields.bits.pic_scaling_matrix_present_flag) { g_assert (0 && "unsupported scaling lists"); /* FIXME */ /* for (i = 0; i < (6+(-( (chroma_format_idc ! = 3) ? 2 : 6) * -pic_param->pic_fields.bits.transform_8x8_mode_flag)); i++) { gst_bit_writer_put_bits_uint8(bs, pic_param->pic_fields.bits.pic_scaling_list_present_flag, 1); } */ } WRITE_SE (bs, pic_param->second_chroma_qp_index_offset); } /* rbsp_trailing_bits */ bs_write_trailing_bits (bs); return TRUE; /* ERRORS */ bs_error: { GST_WARNING ("failed to write PPS NAL unit"); return FALSE; } } /* Write a Slice NAL unit */ static gboolean bs_write_slice (GstBitWriter * bs, const VAEncSliceParameterBufferH264 * slice_param, GstVaapiFEIPakH264 * feipak, 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, feipak->h264_sps.seq_fields.bits.log2_max_frame_num_minus4 + 4); /* 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 (!feipak->h264_sps.seq_fields.bits.pic_order_cnt_type) { WRITE_UINT32 (bs, slice_param->pic_order_cnt_lsb, feipak->h264_sps.seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4 + 4); /* 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 (feipak->h264_sps.seq_fields.bits.pic_order_cnt_type == 1 && !feipak->h264_sps.seq_fields.bits.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 == GST_H264_B_SLICE) 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 (GstVaapiFEIPakH264 * feipak, const guint8 * nal, guint32 size) { guint8 nal_type; G_GNUC_UNUSED gsize ret; /* FIXME */ gboolean has_subset_sps; g_assert (size); has_subset_sps = !feipak->is_mvc || (feipak->subset_sps_data != NULL); if (feipak->sps_data && feipak->pps_data && has_subset_sps) return; nal_type = nal[0] & 0x1F; switch (nal_type) { case GST_H264_NAL_SPS: feipak->sps_data = gst_buffer_new_allocate (NULL, size, NULL); ret = gst_buffer_fill (feipak->sps_data, 0, nal, size); g_assert (ret == size); break; case GST_H264_NAL_SUBSET_SPS: feipak->subset_sps_data = gst_buffer_new_allocate (NULL, size, NULL); ret = gst_buffer_fill (feipak->subset_sps_data, 0, nal, size); g_assert (ret == size); break; case GST_H264_NAL_PPS: feipak->pps_data = gst_buffer_new_allocate (NULL, size, NULL); ret = gst_buffer_fill (feipak->pps_data, 0, nal, size); g_assert (ret == size); break; default: break; } } /* Determines the largest supported profile by the underlying hardware */ static gboolean ensure_hw_profile_limits (GstVaapiFEIPakH264 * feipak) { GstVaapiDisplay *const display = feipak->display; GArray *profiles; guint i, profile_idc, max_profile_idc; if (feipak->hw_max_profile_idc) return TRUE; profiles = gst_vaapi_display_get_encode_profiles (display); if (!profiles) return FALSE; max_profile_idc = 0; for (i = 0; i < profiles->len; i++) { const GstVaapiProfile profile = g_array_index (profiles, GstVaapiProfile, i); profile_idc = gst_vaapi_utils_h264_get_profile_idc (profile); if (!profile_idc) continue; if (max_profile_idc < profile_idc) max_profile_idc = profile_idc; } g_array_unref (profiles); feipak->hw_max_profile_idc = max_profile_idc; return TRUE; } /* Fills in VA HRD parameters */ static void fill_hrd_params (GstVaapiFEIPakH264 * feipak, VAEncMiscParameterHRD * hrd) { hrd->buffer_size = 0; hrd->initial_buffer_fullness = 0; } /* Adds the supplied sequence header (SPS) to the list of packed headers to pass down as-is to the feipak */ static gboolean add_packed_sequence_header (GstVaapiFEIPakH264 * feipak, GstVaapiEncPicture * picture, GstVaapiEncSequence * sequence) { GstVaapiEncPackedHeader *packed_seq; GstBitWriter bs; VAEncPackedHeaderParameterBuffer packed_seq_param = { 0 }; const VAEncSequenceParameterBufferH264 *const seq_param = sequence->param; GstVaapiProfile profile = feipak->profile; VAEncMiscParameterHRD hrd_params; guint32 data_bit_size; guint8 *data; fill_hrd_params (feipak, &hrd_params); 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_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 (feipak, &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); packed_seq_param.type = VAEncPackedHeaderSequence; packed_seq_param.bit_length = data_bit_size; packed_seq_param.has_emulation_bytes = 0; packed_seq = gst_vaapi_enc_packed_header_new (GST_VAAPI_ENCODER (feipak->encoder), &packed_seq_param, sizeof (packed_seq_param), data, (data_bit_size + 7) / 8); g_assert (packed_seq); gst_vaapi_enc_picture_add_packed_header (picture, packed_seq); gst_vaapi_codec_object_replace (&packed_seq, NULL); /* store sps data */ _check_sps_pps_status (feipak, 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; } } static gboolean add_packed_sequence_header_mvc (GstVaapiFEIPakH264 * feipak, 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 (feipak, &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 (feipak, &bs, seq_param, feipak->profile, feipak->num_views, feipak->view_ids, &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 (feipak->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 (feipak, 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 feipak */ static gboolean add_packed_picture_header (GstVaapiFEIPakH264 * feipak, GstVaapiEncPicture * picture) { GstVaapiEncPackedHeader *packed_pic; GstBitWriter bs; VAEncPackedHeaderParameterBuffer packed_pic_param = { 0 }; const VAEncPictureParameterBufferH264 *const pic_param = picture->param; guint32 data_bit_size; guint8 *data; 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_PPS); bs_write_pps (&bs, pic_param, feipak->profile); 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_pic_param.type = VAEncPackedHeaderPicture; packed_pic_param.bit_length = data_bit_size; packed_pic_param.has_emulation_bytes = 0; packed_pic = gst_vaapi_enc_packed_header_new (GST_VAAPI_ENCODER (feipak->encoder), &packed_pic_param, sizeof (packed_pic_param), data, (data_bit_size + 7) / 8); g_assert (packed_pic); gst_vaapi_enc_picture_add_packed_header (picture, packed_pic); gst_vaapi_codec_object_replace (&packed_pic, NULL); /* store pps data */ _check_sps_pps_status (feipak, data + 4, data_bit_size / 8 - 4); gst_bit_writer_clear (&bs, TRUE); return TRUE; /* ERRORS */ bs_error: { GST_WARNING ("failed to write PPS NAL unit"); gst_bit_writer_clear (&bs, TRUE); return FALSE; } } 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 feipak */ static gboolean add_packed_prefix_nal_header (GstVaapiFEIPakH264 * feipak, 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, feipak->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 (feipak->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 feipak */ static gboolean add_packed_slice_header (GstVaapiFEIPakH264 * feipak, 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; /* pack nal_unit_header_mvc_extension() for the non base view */ if (feipak->is_mvc && feipak->view_idx) { bs_write_nal_header (&bs, nal_ref_idc, GST_H264_NAL_SLICE_EXT); bs_write_nal_header_mvc_extension (&bs, picture, feipak->view_ids[feipak->view_idx]); } else bs_write_nal_header (&bs, nal_ref_idc, nal_unit_type); bs_write_slice (&bs, slice_param, feipak, 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 (feipak->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 (GstVaapiFEIPakH264 * feipak, GstVaapiFEIPakH264Ref * ref) { if (!ref) return; if (ref->pic) gst_vaapi_surface_proxy_unref (ref->pic); g_slice_free (GstVaapiFEIPakH264Ref, ref); } static inline GstVaapiFEIPakH264Ref * reference_pic_create (GstVaapiFEIPakH264 * feipak, GstVaapiEncPicture * picture, GstVaapiSurfaceProxy * surface) { GstVaapiFEIPakH264Ref *const ref = g_slice_new0 (GstVaapiFEIPakH264Ref); ref->pic = surface; ref->frame_num = picture->frame_num; ref->poc = picture->poc; return ref; } static gboolean reference_list_update (GstVaapiFEIPakH264 * feipak, GstVaapiEncPicture * picture, GstVaapiSurfaceProxy * surface) { GstVaapiFEIPakH264Ref *ref; GstVaapiH264FEIPakViewRefPool *const ref_pool = &feipak->ref_pools[feipak->view_idx]; if (GST_VAAPI_PICTURE_TYPE_B == picture->type) { gst_vaapi_surface_proxy_unref (surface); return TRUE; } if (GST_VAAPI_ENC_PICTURE_IS_IDR (picture)) { while (!g_queue_is_empty (&ref_pool->ref_list)) reference_pic_free (feipak, 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 (feipak, g_queue_pop_head (&ref_pool->ref_list)); } ref = reference_pic_create (feipak, picture, surface); 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; } static gboolean reference_list_init (GstVaapiFEIPakH264 * feipak, GstVaapiEncPicture * picture, GstVaapiFEIPakH264Ref ** reflist_0, guint * reflist_0_count, GstVaapiFEIPakH264Ref ** reflist_1, guint * reflist_1_count) { GstVaapiFEIPakH264Ref *tmp; GstVaapiH264FEIPakViewRefPool *const ref_pool = &feipak->ref_pools[feipak->view_idx]; GList *iter, *list_0_start = NULL, *list_1_start = NULL; 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 (&ref_pool->ref_list); for (; iter; iter = g_list_previous (iter)) { tmp = (GstVaapiFEIPakH264Ref *) iter->data; g_assert (tmp && tmp->poc != picture->poc); if (_poc_greater_than (picture->poc, tmp->poc, 1 << (feipak->h264_sps.seq_fields.bits. log2_max_pic_order_cnt_lsb_minus4 + 4))) { 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] = (GstVaapiFEIPakH264Ref *) 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] = (GstVaapiFEIPakH264Ref *) iter->data; ++count; } *reflist_1_count = count; return TRUE; } /* Fills in VA sequence parameter buffer */ static gboolean fill_sequence (GstVaapiFEIPakH264 * feipak, GstVaapiEncSequence * sequence) { VAEncSequenceParameterBufferH264 *const seq_param = sequence->param; memset (seq_param, 0, sizeof (VAEncSequenceParameterBufferH264)); *seq_param = feipak->h264_sps; return TRUE; } /* Fills in VA picture parameter buffer */ static gboolean fill_picture (GstVaapiFEIPakH264 * feipak, GstVaapiEncPicture * picture, GstVaapiCodedBuffer * codedbuf, GstVaapiSurfaceProxy * surface) { VAEncPictureParameterBufferH264 *const pic_param = picture->param; GstVaapiH264FEIPakViewRefPool *const ref_pool = &feipak->ref_pools[feipak->view_idx]; GstVaapiFEIPakH264Ref *ref_pic; GList *reflist; guint i; memset (pic_param, 0, sizeof (VAEncPictureParameterBufferH264)); *pic_param = feipak->h264_pps; feipak->is_idr = feipak->h264_pps.pic_fields.bits.idr_pic_flag; /* reference list, */ pic_param->CurrPic.picture_id = GST_VAAPI_SURFACE_PROXY_SURFACE_ID (surface); pic_param->CurrPic.TopFieldOrderCnt = picture->poc; pic_param->CurrPic.frame_idx = picture->frame_num; i = 0; if (picture->type != GST_VAAPI_PICTURE_TYPE_I) { 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) != VA_INVALID_ID); pic_param->ReferenceFrames[i].picture_id = GST_VAAPI_SURFACE_PROXY_SURFACE_ID (ref_pic->pic); pic_param->ReferenceFrames[i].TopFieldOrderCnt = ref_pic->poc; pic_param->ReferenceFrames[i].flags |= VA_PICTURE_H264_SHORT_TERM_REFERENCE; pic_param->ReferenceFrames[i].frame_idx = ref_pic->frame_num; ++i; } 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->ReferenceFrames[i].frame_idx = VA_PICTURE_H264_INVALID; } pic_param->coded_buf = GST_VAAPI_OBJECT_ID (codedbuf); return TRUE; } /* Adds slice headers to picture */ static gboolean add_slice_headers (GstVaapiFEIPakH264 * feipak, GstVaapiEncPicture * picture, GstVaapiFEIPakH264Ref ** reflist_0, guint reflist_0_count, GstVaapiFEIPakH264Ref ** reflist_1, guint reflist_1_count) { VAEncSliceParameterBufferH264 *slice_param; GstVaapiEncSlice *slice; guint slice_of_mbs, slice_mod_mbs, cur_slice_mbs; guint mb_size; guint last_mb_index; guint i_slice, i_ref; GArray *h264_slice_params = feipak->h264_slice_params; g_assert (picture); mb_size = feipak->mb_width * feipak->mb_height; g_assert (feipak->num_slices && feipak->num_slices < mb_size); slice_of_mbs = mb_size / feipak->num_slices; slice_mod_mbs = mb_size % feipak->num_slices; last_mb_index = 0; for (i_slice = 0; i_slice < feipak->num_slices; ++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, feipak->encoder); g_assert (slice && slice->param_id != VA_INVALID_ID); slice_param = slice->param; memset (slice_param, 0, sizeof (VAEncSliceParameterBufferH264)); *slice_param = g_array_index (h264_slice_params, VAEncSliceParameterBufferH264, i_slice); g_assert ((gint8) slice_param->slice_type != -1); 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); slice_param->RefPicList0[i_ref].TopFieldOrderCnt = reflist_0[i_ref]->poc; slice_param->RefPicList0[i_ref].flags |= VA_PICTURE_H264_SHORT_TERM_REFERENCE; slice_param->RefPicList0[i_ref].frame_idx = reflist_0[i_ref]->frame_num; } g_assert (i_ref >= 1); } for (; i_ref < G_N_ELEMENTS (slice_param->RefPicList0); ++i_ref) { slice_param->RefPicList0[i_ref].picture_id = VA_INVALID_SURFACE; slice_param->RefPicList0[i_ref].frame_idx = VA_PICTURE_H264_INVALID; } 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); slice_param->RefPicList1[i_ref].TopFieldOrderCnt = reflist_1[i_ref]->poc; slice_param->RefPicList1[i_ref].flags |= VA_PICTURE_H264_SHORT_TERM_REFERENCE; slice_param->RefPicList1[i_ref].frame_idx = reflist_1[i_ref]->frame_num; } g_assert (i_ref == 1); } for (; i_ref < G_N_ELEMENTS (slice_param->RefPicList1); ++i_ref) { slice_param->RefPicList1[i_ref].picture_id = VA_INVALID_SURFACE; slice_param->RefPicList1[i_ref].frame_idx = VA_PICTURE_H264_INVALID; } /* set calculation for next slice */ last_mb_index += cur_slice_mbs; /* add packed Prefix NAL unit before each Coded slice NAL in base view */ if (feipak->is_mvc && !feipak->view_idx && !add_packed_prefix_nal_header (feipak, picture, slice)) goto error_create_packed_prefix_nal_hdr; if (!add_packed_slice_header (feipak, 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 (GstVaapiFEIPakH264 * feipak, GstVaapiEncPicture * picture) { GstVaapiEncSequence *sequence = NULL; if (!feipak->config_changed || picture->type != GST_VAAPI_PICTURE_TYPE_I) return TRUE; sequence = GST_VAAPI_ENC_SEQUENCE_NEW (H264, feipak->encoder); if (!sequence || !fill_sequence (feipak, sequence)) goto error_create_seq_param; /* add subset sps for non-base view and sps for base view */ if (feipak->is_mvc && feipak->view_idx) { if (!add_packed_sequence_header_mvc (feipak, picture, sequence)) goto error_create_packed_seq_hdr; } else { if (!add_packed_sequence_header (feipak, picture, sequence)) goto error_create_packed_seq_hdr; } if (sequence) { gst_vaapi_enc_picture_set_sequence (picture, sequence); gst_vaapi_codec_object_replace (&sequence, NULL); } if (!feipak->is_mvc || feipak->view_idx > 0) feipak->config_changed = FALSE; return TRUE; /* 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 fei control parameters */ static gboolean ensure_fei_misc_params (GstVaapiFEIPakH264 * feipak, GstVaapiEncPicture * picture, GstVaapiCodedBufferProxy * codedbuf_proxy) { GstVaapiEncMiscParam *misc = NULL; VAEncMiscParameterFEIFrameControlH264 *misc_fei_pic_control_param; /*fei pic control params */ misc = GST_VAAPI_ENC_FEI_MISC_PARAM_NEW (H264, feipak->encoder); g_assert (misc); if (!misc) return FALSE; misc_fei_pic_control_param = misc->data; misc_fei_pic_control_param->function = VA_FEI_FUNCTION_PAK; misc_fei_pic_control_param->mv_predictor = VA_INVALID_ID; misc_fei_pic_control_param->qp = VA_INVALID_ID; misc_fei_pic_control_param->mb_ctrl = VA_INVALID_ID; g_assert (codedbuf_proxy->mbcode != NULL); g_assert (codedbuf_proxy->mv != NULL); misc_fei_pic_control_param->mb_code_data = GST_VAAPI_FEI_CODEC_OBJECT (codedbuf_proxy->mbcode)->param_id; misc_fei_pic_control_param->mv_data = GST_VAAPI_FEI_CODEC_OBJECT (codedbuf_proxy->mv)->param_id; gst_vaapi_enc_picture_add_misc_param (picture, misc); gst_vaapi_codec_object_replace (&misc, NULL); return TRUE; } /* Generates additional control parameters */ static gboolean ensure_misc_params (GstVaapiFEIPakH264 * feipak, GstVaapiEncPicture * picture) { GstVaapiEncMiscParam *misc = NULL; /* HRD params */ misc = GST_VAAPI_ENC_MISC_PARAM_NEW (HRD, feipak->encoder); g_assert (misc); if (!misc) return FALSE; fill_hrd_params (feipak, misc->data); gst_vaapi_enc_picture_add_misc_param (picture, misc); gst_vaapi_codec_object_replace (&misc, NULL); return TRUE; } /* Generates and submits PPS header accordingly into the bitstream */ static gboolean ensure_picture (GstVaapiFEIPakH264 * feipak, GstVaapiEncPicture * picture, GstVaapiCodedBufferProxy * codedbuf_proxy, GstVaapiSurfaceProxy * surface) { GstVaapiCodedBuffer *const codedbuf = GST_VAAPI_CODED_BUFFER_PROXY_BUFFER (codedbuf_proxy); gboolean res = FALSE; res = fill_picture (feipak, picture, codedbuf, surface); if (!res) return FALSE; if (picture->type == GST_VAAPI_PICTURE_TYPE_I && !add_packed_picture_header (feipak, picture)) { GST_ERROR ("set picture packed header failed"); return FALSE; } return TRUE; } /* Generates slice headers */ static gboolean ensure_slices (GstVaapiFEIPakH264 * feipak, GstVaapiEncPicture * picture) { GstVaapiFEIPakH264Ref *reflist_0[16]; GstVaapiFEIPakH264Ref *reflist_1[16]; GstVaapiH264FEIPakViewRefPool *const ref_pool = &feipak->ref_pools[feipak->view_idx]; guint reflist_0_count = 0, reflist_1_count = 0; g_assert (picture); if (picture->type != GST_VAAPI_PICTURE_TYPE_I && !reference_list_init (feipak, 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 <= 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 (feipak, picture, reflist_0, reflist_0_count, reflist_1, reflist_1_count)) return FALSE; return TRUE; } /* Constructs profile and level information based on user-defined limits */ static GstVaapiEncoderStatus ensure_profile_and_level (GstVaapiFEIPakH264 * feipak) { const GstVaapiProfile profile = feipak->profile; /* Check HW constraints */ if (!ensure_hw_profile_limits (feipak)) return GST_VAAPI_ENCODER_STATUS_ERROR_UNSUPPORTED_PROFILE; if (feipak->profile_idc > feipak->hw_max_profile_idc) return GST_VAAPI_ENCODER_STATUS_ERROR_UNSUPPORTED_PROFILE; if (feipak->profile != profile) { feipak->config_changed = TRUE; } return GST_VAAPI_ENCODER_STATUS_SUCCESS; } static void reset_properties (GstVaapiFEIPakH264 * feipak) { guint i; guint max_reflist0_count; if (feipak->num_bframes > 0) { if (feipak->num_ref_frames == 1) { GST_INFO ("num ref frames is modified as 2 as b frame is set"); feipak->num_ref_frames = 2; } max_reflist0_count = feipak->num_ref_frames - 1; } else { max_reflist0_count = feipak->num_ref_frames; } max_reflist0_count = max_reflist0_count > 5 ? 5 : max_reflist0_count; for (i = 0; i < feipak->num_views; i++) { GstVaapiH264FEIPakViewRefPool *const ref_pool = &feipak->ref_pools[i]; ref_pool->max_reflist0_count = max_reflist0_count; ref_pool->max_reflist1_count = feipak->num_bframes > 0; ref_pool->max_ref_frames = ref_pool->max_reflist0_count + ref_pool->max_reflist1_count; } } GstVaapiEncoderStatus gst_vaapi_feipak_h264_encode (GstVaapiFEIPakH264 * feipak, GstVaapiEncPicture * picture, GstVaapiCodedBufferProxy * codedbuf, GstVaapiSurfaceProxy * surface, GstVaapiFeiInfoToPakH264 * info_to_pak) { GstVaapiEncoderStatus ret = GST_VAAPI_ENCODER_STATUS_ERROR_UNKNOWN; GstVaapiSurfaceProxy *reconstruct = surface; GstVaapiSurfaceProxy *proxy = picture->proxy; VAEncSliceParameterBufferH264 slice_header; g_assert (GST_VAAPI_SURFACE_PROXY_SURFACE (reconstruct)); g_assert (GST_VAAPI_SURFACE_PROXY_SURFACE (proxy)); g_assert (info_to_pak != NULL); feipak->h264_sps = info_to_pak->h264_enc_sps; feipak->h264_pps = info_to_pak->h264_enc_pps; feipak->h264_slice_params = info_to_pak->h264_slice_headers; feipak->mb_width = feipak->h264_sps.picture_width_in_mbs; feipak->mb_height = feipak->h264_sps.picture_height_in_mbs; slice_header = g_array_index (feipak->h264_slice_params, VAEncSliceParameterBufferH264, 0); feipak->slice_type = slice_header.slice_type; if (!ensure_sequence (feipak, picture)) goto error; if (!ensure_misc_params (feipak, picture)) goto error; if (!ensure_fei_misc_params (feipak, picture, codedbuf)) goto error; if (!ensure_picture (feipak, picture, codedbuf, reconstruct)) goto error; if (!ensure_slices (feipak, picture)) goto error; if (!gst_vaapi_enc_picture_encode (picture)) goto error; if (!reference_list_update (feipak, picture, reconstruct)) goto error; return GST_VAAPI_ENCODER_STATUS_SUCCESS; error: return ret; } GstVaapiEncoderStatus gst_vaapi_feipak_h264_flush (GstVaapiFEIPakH264 * feipak) { return GST_VAAPI_ENCODER_STATUS_SUCCESS; } GstVaapiEncoderStatus gst_vaapi_feipak_h264_reconfigure (GstVaapiFEIPakH264 * feipak, VAContextID va_context, GstVaapiProfile profile, guint8 profile_idc, guint mb_width, guint mb_height, guint32 num_views, guint slices_num, guint32 num_ref_frames) { GstVaapiEncoderStatus status; if (mb_width != feipak->mb_width || mb_height != feipak->mb_height) { feipak->mb_width = mb_width; feipak->mb_height = mb_height; feipak->config_changed = TRUE; } feipak->va_context = va_context; /* Take number of MVC views from input caps if provided */ feipak->num_views = num_views; feipak->is_mvc = feipak->num_views > 1; feipak->profile_idc = profile_idc; feipak->profile = profile; feipak->num_slices = slices_num; feipak->num_ref_frames = num_ref_frames; status = ensure_profile_and_level (feipak); if (status != GST_VAAPI_ENCODER_STATUS_SUCCESS) return status; reset_properties (feipak); return GST_VAAPI_ENCODER_STATUS_SUCCESS; } static gboolean gst_vaapi_feipak_h264_init (GstVaapiFEIPakH264 * feipak, GstVaapiEncoder * encoder, GstVaapiDisplay * display, VAContextID va_context) { guint32 i; feipak->encoder = encoder; /* Default encoding entrypoint */ feipak->entrypoint = GST_VAAPI_ENTRYPOINT_SLICE_ENCODE_FEI; feipak->h264_slice_params = NULL; /* Multi-view coding information */ feipak->is_mvc = FALSE; feipak->num_views = 1; feipak->view_idx = 0; feipak->display = display; feipak->va_context = va_context; feipak->num_bframes = 0; feipak->is_idr = FALSE; /* default num ref frames */ feipak->num_ref_frames = 1; memset (feipak->view_ids, 0, sizeof (feipak->view_ids)); feipak->props_reconfigured = FALSE; /* reference list info initialize */ for (i = 0; i < MAX_NUM_VIEWS; i++) { GstVaapiH264FEIPakViewRefPool *const ref_pool = &feipak->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; } static void gst_vaapi_feipak_h264_finalize (GstVaapiFEIPakH264 * feipak) { GstVaapiFEIPakH264Ref *ref; guint32 i; gst_buffer_replace (&feipak->sps_data, NULL); gst_buffer_replace (&feipak->subset_sps_data, NULL); gst_buffer_replace (&feipak->pps_data, NULL); /* reference list info de-init */ for (i = 0; i < MAX_NUM_VIEWS; i++) { GstVaapiH264FEIPakViewRefPool *const ref_pool = &feipak->ref_pools[i]; while (!g_queue_is_empty (&ref_pool->ref_list)) { ref = (GstVaapiFEIPakH264Ref *) g_queue_pop_head (&ref_pool->ref_list); reference_pic_free (feipak, ref); } g_queue_clear (&ref_pool->ref_list); } } GstVaapiEncoderStatus gst_vaapi_feipak_h264_set_property (GstVaapiFEIPakH264 * feipak, gint prop_id, const GValue * value) { switch (prop_id) { case GST_VAAPI_FEIPAK_H264_PROP_MAX_BFRAMES: feipak->num_bframes = g_value_get_uint (value); break; case GST_VAAPI_FEIPAK_H264_PROP_NUM_VIEWS: feipak->num_views = g_value_get_uint (value); break; case GST_VAAPI_FEIPAK_H264_PROP_VIEW_IDS:{ guint i; GValueArray *view_ids = g_value_get_boxed (value); if (view_ids == NULL) { for (i = 0; i < feipak->num_views; i++) feipak->view_ids[i] = i; } else { g_assert (view_ids->n_values <= feipak->num_views); for (i = 0; i < feipak->num_views; i++) { GValue *val = g_value_array_get_nth (view_ids, i); feipak->view_ids[i] = g_value_get_uint (val); } } break; } default: return GST_VAAPI_ENCODER_STATUS_ERROR_INVALID_PARAMETER; } return GST_VAAPI_ENCODER_STATUS_SUCCESS; } static inline const GstVaapiMiniObjectClass * gst_vaapi_feipak_h264_class (void) { static const GstVaapiMiniObjectClass GstVaapiFEIPakH264Class = { .size = sizeof (GstVaapiFEIPakH264), .finalize = (GDestroyNotify) gst_vaapi_feipak_h264_finalize }; return &GstVaapiFEIPakH264Class; } /** * gst_vaapi_feipak_h264_new: * @display: a #GstVaapiDisplay * * Creates a new #GstVaapiEncoder for H.264 encoding. Note that the * only supported output stream format is "byte-stream" format. * * Return value: the newly allocated #GstVaapiEncoder object */ GstVaapiFEIPakH264 * gst_vaapi_feipak_h264_new (GstVaapiEncoder * encoder, GstVaapiDisplay * display, VAContextID va_context) { GstVaapiFEIPakH264 *feipak; feipak = (GstVaapiFEIPakH264 *) gst_vaapi_mini_object_new0 (GST_VAAPI_MINI_OBJECT_CLASS (gst_vaapi_feipak_h264_class ())); if (!feipak) return NULL; if (!gst_vaapi_feipak_h264_init (feipak, encoder, display, va_context)) goto error; return feipak; error: gst_vaapi_object_unref (feipak); return NULL; } gboolean gst_vaapi_feipak_h264_get_ref_pool (GstVaapiFEIPakH264 * feipak, gpointer * ref_pool_ptr) { g_return_val_if_fail (feipak != NULL, FALSE); if (!(&feipak->ref_pools[0])) return FALSE; if (ref_pool_ptr) *ref_pool_ptr = (gpointer) (&feipak->ref_pools[0]); return TRUE; }