/* * gstvaapifeienc_h264.c - H264 FEI ENC * * Copyright (C) 2016-2018 Intel Corporation * Author: Leilei Shang * 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 "gstvaapifeienc_h264.h" #include "gstvaapiutils_h264_priv.h" #include "gstvaapicodedbufferproxy_priv.h" #include "gstvaapisurfaceproxy_priv.h" #include "gstvaapisurface.h" #include "gstvaapiutils.h" #include #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_NONE typedef struct { GstVaapiSurfaceProxy *pic; guint poc; guint frame_num; } GstVaapiFeiEncH264Ref; typedef enum { GST_VAAPI_ENC_H264_REORD_NONE = 0, GST_VAAPI_ENC_H264_REORD_DUMP_FRAMES = 1, GST_VAAPI_ENC_H264_REORD_WAIT_FRAMES = 2 } GstVaapiEncH264ReorderState; 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 frame_count; /* monotonically increasing with in every idr period */ guint cur_frame_num; guint cur_present_index; } GstVaapiH264ViewReorderPool; static inline gboolean _poc_greater_than (guint poc1, guint poc2, guint max_poc) { return (((poc1 - poc2) & (max_poc - 1)) < max_poc / 2); } /* Get slice_type value for H.264 specification */ static guint8 h264_get_slice_type (GstVaapiPictureType type) { switch (type) { case GST_VAAPI_PICTURE_TYPE_I: return GST_H264_I_SLICE; case GST_VAAPI_PICTURE_TYPE_P: return GST_H264_P_SLICE; case GST_VAAPI_PICTURE_TYPE_B: return GST_H264_B_SLICE; default: break; } return -1; } /* Get log2_max_frame_num value for H.264 specification */ static guint h264_get_log2_max_frame_num (guint num) { guint ret = 0; while (num) { ++ret; num >>= 1; } if (ret <= 4) ret = 4; else if (ret > 10) ret = 10; /* must be greater than 4 */ 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; case GST_VAAPI_PROFILE_H264_MULTIVIEW_HIGH: case GST_VAAPI_PROFILE_H264_STEREO_HIGH: f = 1500; /* H.10.2.1 (r) */ break; default: f = 1200; break; } return f; } /* ------------------------------------------------------------------------- */ /* --- FEI Enc --- */ /* ------------------------------------------------------------------------- */ #define GST_VAAPI_FEI_H264_ENC_CAST(feienc) \ ((GstVaapiFeiEncH264 *)(feienc)) struct _GstVaapiFeiEncH264 { GstVaapiEncoder parent_instance; GstVaapiProfile profile; GstVaapiLevelH264 level; GstVaapiEntrypoint entrypoint; guint8 profile_idc; guint8 max_profile_idc; guint8 hw_max_profile_idc; guint8 level_idc; guint32 idr_period; guint32 init_qp; guint32 min_qp; guint32 num_slices; guint32 num_bframes; guint32 mb_width; guint32 mb_height; gboolean use_cabac; gboolean use_dct8x8; GstClockTime cts_offset; gboolean config_changed; /* 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) 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]; GstVaapiH264ViewRefPool ref_pools[MAX_NUM_VIEWS]; GstVaapiH264ViewReorderPool reorder_pools[MAX_NUM_VIEWS]; /*Fei frame level control */ guint search_window; guint len_sp; guint search_path; guint ref_width; guint ref_height; guint submb_part_mask; guint subpel_mode; guint intra_part_mask; guint intra_sad; guint inter_sad; guint num_mv_predictors_l0; guint num_mv_predictors_l1; guint adaptive_search; guint multi_predL0; guint multi_predL1; }; /* Determines the largest supported profile by the underlying hardware */ static gboolean ensure_hw_profile_limits (GstVaapiFeiEncH264 * feienc) { GstVaapiDisplay *const display = GST_VAAPI_ENCODER_DISPLAY (feienc); GArray *profiles; guint i, profile_idc, max_profile_idc; if (feienc->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); feienc->hw_max_profile_idc = max_profile_idc; return TRUE; } /* Derives the profile supported by the underlying hardware */ static gboolean ensure_hw_profile (GstVaapiFeiEncH264 * feienc) { GstVaapiDisplay *const display = GST_VAAPI_ENCODER_DISPLAY (feienc); GstVaapiEntrypoint entrypoint = feienc->entrypoint; GstVaapiProfile profile, profiles[4]; guint i, num_profiles = 0; profiles[num_profiles++] = feienc->profile; switch (feienc->profile) { case GST_VAAPI_PROFILE_H264_CONSTRAINED_BASELINE: profiles[num_profiles++] = GST_VAAPI_PROFILE_H264_BASELINE; profiles[num_profiles++] = GST_VAAPI_PROFILE_H264_MAIN; // fall-through case GST_VAAPI_PROFILE_H264_MAIN: profiles[num_profiles++] = GST_VAAPI_PROFILE_H264_HIGH; break; default: break; } profile = GST_VAAPI_PROFILE_UNKNOWN; for (i = 0; i < num_profiles; i++) { if (gst_vaapi_display_has_encoder (display, profiles[i], entrypoint)) { profile = profiles[i]; break; } } if (profile == GST_VAAPI_PROFILE_UNKNOWN) goto error_unsupported_profile; GST_VAAPI_ENCODER_CAST (feienc)->profile = profile; return TRUE; /* ERRORS */ error_unsupported_profile: { GST_ERROR ("unsupported HW profile (0x%08x)", feienc->profile); return FALSE; } } /* Check target decoder constraints */ static gboolean ensure_profile_limits (GstVaapiFeiEncH264 * feienc) { GstVaapiProfile profile; if (!feienc->max_profile_idc || feienc->profile_idc <= feienc->max_profile_idc) return TRUE; GST_WARNING ("lowering coding tools to meet target decoder constraints"); profile = GST_VAAPI_PROFILE_UNKNOWN; /* Try Main profile coding tools */ if (feienc->max_profile_idc < 100) { feienc->use_dct8x8 = FALSE; profile = GST_VAAPI_PROFILE_H264_MAIN; } /* Try Constrained Baseline profile coding tools */ if (feienc->max_profile_idc < 77) { feienc->num_bframes = 0; feienc->use_cabac = FALSE; profile = GST_VAAPI_PROFILE_H264_CONSTRAINED_BASELINE; } if (profile) { feienc->profile = profile; feienc->profile_idc = feienc->max_profile_idc; } return TRUE; } /* Derives the minimum profile from the active coding tools */ static gboolean ensure_profile (GstVaapiFeiEncH264 * feienc) { GstVaapiProfile profile; /* Always start from "constrained-baseline" profile for maximum compatibility */ profile = GST_VAAPI_PROFILE_H264_CONSTRAINED_BASELINE; /* Main profile coding tools */ if (feienc->num_bframes > 0 || feienc->use_cabac) profile = GST_VAAPI_PROFILE_H264_MAIN; /* High profile coding tools */ if (feienc->use_dct8x8) profile = GST_VAAPI_PROFILE_H264_HIGH; /* MVC profiles coding tools */ if (feienc->num_views == 2) profile = GST_VAAPI_PROFILE_H264_STEREO_HIGH; else if (feienc->num_views > 2) profile = GST_VAAPI_PROFILE_H264_MULTIVIEW_HIGH; feienc->profile = profile; feienc->profile_idc = gst_vaapi_utils_h264_get_profile_idc (profile); return TRUE; } /* Derives the level from the currently set limits */ static gboolean ensure_level (GstVaapiFeiEncH264 * feienc) { const guint cpb_factor = h264_get_cpb_nal_factor (feienc->profile); const GstVaapiH264LevelLimits *limits_table; guint i, num_limits, PicSizeMbs, MaxDpbMbs, MaxMBPS; PicSizeMbs = feienc->mb_width * feienc->mb_height; MaxDpbMbs = PicSizeMbs * ((feienc->num_bframes) ? 2 : 1); MaxMBPS = gst_util_uint64_scale_int_ceil (PicSizeMbs, GST_VAAPI_ENCODER_FPS_N (feienc), GST_VAAPI_ENCODER_FPS_D (feienc)); limits_table = gst_vaapi_utils_h264_get_level_limits_table (&num_limits); for (i = 0; i < num_limits; i++) { const GstVaapiH264LevelLimits *const limits = &limits_table[i]; if (PicSizeMbs <= limits->MaxFS && MaxDpbMbs <= limits->MaxDpbMbs && MaxMBPS <= limits->MaxMBPS && (!feienc->bitrate_bits || feienc->bitrate_bits <= (limits->MaxBR * cpb_factor)) && (!feienc->cpb_length_bits || feienc->cpb_length_bits <= (limits->MaxCPB * cpb_factor))) break; } if (i == num_limits) goto error_unsupported_level; feienc->level = limits_table[i].level; feienc->level_idc = limits_table[i].level_idc; return TRUE; /* ERRORS */ error_unsupported_level: { GST_ERROR ("failed to find a suitable level matching codec config"); return FALSE; } } /* Enable "high-compression" tuning options */ static gboolean ensure_tuning_high_compression (GstVaapiFeiEncH264 * feienc) { guint8 profile_idc; if (!ensure_hw_profile_limits (feienc)) return FALSE; profile_idc = feienc->hw_max_profile_idc; if (feienc->max_profile_idc && feienc->max_profile_idc < profile_idc) profile_idc = feienc->max_profile_idc; /* Tuning options to enable Main profile */ if (profile_idc >= 77 && profile_idc != 88) { feienc->use_cabac = TRUE; if (!feienc->num_bframes) feienc->num_bframes = 1; } /* Tuning options to enable High profile */ if (profile_idc >= 100) { feienc->use_dct8x8 = TRUE; } return TRUE; } /* Ensure tuning options */ static gboolean ensure_tuning (GstVaapiFeiEncH264 * feienc) { gboolean success; switch (GST_VAAPI_ENCODER_TUNE (feienc)) { case GST_VAAPI_ENCODER_TUNE_HIGH_COMPRESSION: success = ensure_tuning_high_compression (feienc); break; case GST_VAAPI_ENCODER_TUNE_LOW_POWER: /* Set low-power encode entry point. If hardware doesn't have * support, it will fail in ensure_hw_profile() in later stage. * So not duplicating the profile/entrypont query mechanism * here as a part of optimization */ feienc->entrypoint = GST_VAAPI_ENTRYPOINT_SLICE_ENCODE_LP; success = TRUE; break; default: success = TRUE; break; } return success; } /* Handle new GOP starts */ static void reset_gop_start (GstVaapiFeiEncH264 * feienc) { GstVaapiH264ViewReorderPool *const reorder_pool = &feienc->reorder_pools[feienc->view_idx]; reorder_pool->frame_index = 1; reorder_pool->cur_frame_num = 0; reorder_pool->cur_present_index = 0; ++feienc->idr_num; } /* Marks the supplied picture as a B-frame */ static void set_b_frame (GstVaapiEncPicture * pic, GstVaapiFeiEncH264 * feienc) { GstVaapiH264ViewReorderPool *const reorder_pool = &feienc->reorder_pools[feienc->view_idx]; g_assert (pic && feienc); g_return_if_fail (pic->type == GST_VAAPI_PICTURE_TYPE_NONE); pic->type = GST_VAAPI_PICTURE_TYPE_B; pic->frame_num = (reorder_pool->cur_frame_num % feienc->max_frame_num); } /* Marks the supplied picture as a P-frame */ static void set_p_frame (GstVaapiEncPicture * pic, GstVaapiFeiEncH264 * feienc) { GstVaapiH264ViewReorderPool *const reorder_pool = &feienc->reorder_pools[feienc->view_idx]; g_return_if_fail (pic->type == GST_VAAPI_PICTURE_TYPE_NONE); pic->type = GST_VAAPI_PICTURE_TYPE_P; pic->frame_num = (reorder_pool->cur_frame_num % feienc->max_frame_num); } /* Marks the supplied picture as an I-frame */ static void set_i_frame (GstVaapiEncPicture * pic, GstVaapiFeiEncH264 * feienc) { GstVaapiH264ViewReorderPool *const reorder_pool = &feienc->reorder_pools[feienc->view_idx]; g_return_if_fail (pic->type == GST_VAAPI_PICTURE_TYPE_NONE); pic->type = GST_VAAPI_PICTURE_TYPE_I; pic->frame_num = (reorder_pool->cur_frame_num % feienc->max_frame_num); g_assert (pic->frame); GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (pic->frame); } /* Marks the supplied picture as an IDR frame */ static void set_idr_frame (GstVaapiEncPicture * pic, GstVaapiFeiEncH264 * feienc) { g_return_if_fail (pic->type == GST_VAAPI_PICTURE_TYPE_NONE); pic->type = GST_VAAPI_PICTURE_TYPE_I; pic->frame_num = 0; pic->poc = 0; GST_VAAPI_ENC_PICTURE_FLAG_SET (pic, GST_VAAPI_ENC_PICTURE_FLAG_IDR); g_assert (pic->frame); GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (pic->frame); } /* Marks the supplied picture a a key-frame */ static void set_key_frame (GstVaapiEncPicture * picture, GstVaapiFeiEncH264 * feienc, gboolean is_idr) { if (is_idr) { reset_gop_start (feienc); set_idr_frame (picture, feienc); } else set_i_frame (picture, feienc); } /* Fills in VA HRD parameters */ static void fill_hrd_params (GstVaapiFeiEncH264 * feienc, VAEncMiscParameterHRD * hrd) { if (feienc->bitrate_bits > 0) { hrd->buffer_size = feienc->cpb_length_bits; hrd->initial_buffer_fullness = hrd->buffer_size / 2; } else { hrd->buffer_size = 0; hrd->initial_buffer_fullness = 0; } } /* Reference list */ static gboolean reference_list_init (GstVaapiFeiEncH264 * feienc, GstVaapiEncPicture * picture, GstVaapiFeiEncH264Ref ** reflist_0, guint * reflist_0_count, GstVaapiFeiEncH264Ref ** reflist_1, guint * reflist_1_count) { GstVaapiFeiEncH264Ref *tmp; GstVaapiH264ViewRefPool *const ref_pool = &feienc->ref_pools[feienc->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 = (GstVaapiFeiEncH264Ref *) iter->data; g_assert (tmp && tmp->poc != picture->poc); if (_poc_greater_than (picture->poc, tmp->poc, feienc->max_pic_order_cnt)) { list_0_start = iter; list_1_start = g_list_next (iter); break; } } /* order reflist_0 */ g_assert (list_0_start); iter = list_0_start; count = 0; for (; iter; iter = g_list_previous (iter)) { reflist_0[count] = (GstVaapiFeiEncH264Ref *) 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] = (GstVaapiFeiEncH264Ref *) iter->data; ++count; } *reflist_1_count = count; return TRUE; } /* Fills in VA sequence parameter buffer */ static gboolean fill_sequence (GstVaapiFeiEncH264 * feienc, GstVaapiEncSequence * sequence) { VAEncSequenceParameterBufferH264 *const seq_param = sequence->param; GstVaapiH264ViewRefPool *const ref_pool = &feienc->ref_pools[feienc->view_idx]; memset (seq_param, 0, sizeof (VAEncSequenceParameterBufferH264)); seq_param->seq_parameter_set_id = feienc->view_idx; seq_param->level_idc = feienc->level_idc; seq_param->intra_period = GST_VAAPI_ENCODER_KEYFRAME_PERIOD (feienc); seq_param->intra_idr_period = GST_VAAPI_ENCODER_KEYFRAME_PERIOD (feienc); seq_param->ip_period = seq_param->intra_period > 1 ? (1 + feienc->num_bframes) : 0; seq_param->bits_per_second = feienc->bitrate_bits; seq_param->max_num_ref_frames = ref_pool->max_ref_frames; seq_param->picture_width_in_mbs = feienc->mb_width; seq_param->picture_height_in_mbs = feienc->mb_height; /*sequence field values */ seq_param->seq_fields.value = 0; seq_param->seq_fields.bits.chroma_format_idc = 1; seq_param->seq_fields.bits.frame_mbs_only_flag = 1; seq_param->seq_fields.bits.mb_adaptive_frame_field_flag = FALSE; seq_param->seq_fields.bits.seq_scaling_matrix_present_flag = FALSE; /* direct_8x8_inference_flag default false */ seq_param->seq_fields.bits.direct_8x8_inference_flag = FALSE; g_assert (feienc->log2_max_frame_num >= 4); seq_param->seq_fields.bits.log2_max_frame_num_minus4 = feienc->log2_max_frame_num - 4; /* picture order count */ feienc->pic_order_cnt_type = seq_param->seq_fields.bits.pic_order_cnt_type = 0; g_assert (feienc->log2_max_pic_order_cnt >= 4); seq_param->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4 = feienc->log2_max_pic_order_cnt - 4; seq_param->bit_depth_luma_minus8 = 0; seq_param->bit_depth_chroma_minus8 = 0; /* not used if pic_order_cnt_type == 0 */ if (seq_param->seq_fields.bits.pic_order_cnt_type == 1) { feienc->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; memset (seq_param->offset_for_ref_frame, 0, sizeof (seq_param->offset_for_ref_frame)); } /* frame_cropping_flag */ if ((GST_VAAPI_ENCODER_WIDTH (feienc) & 15) || (GST_VAAPI_ENCODER_HEIGHT (feienc) & 15)) { static const guint SubWidthC[] = { 1, 2, 2, 1 }; static const guint SubHeightC[] = { 1, 2, 1, 1 }; const guint CropUnitX = SubWidthC[seq_param->seq_fields.bits.chroma_format_idc]; const guint CropUnitY = SubHeightC[seq_param->seq_fields.bits.chroma_format_idc] * (2 - seq_param->seq_fields.bits.frame_mbs_only_flag); seq_param->frame_cropping_flag = 1; seq_param->frame_crop_left_offset = 0; seq_param->frame_crop_right_offset = (16 * feienc->mb_width - GST_VAAPI_ENCODER_WIDTH (feienc)) / CropUnitX; seq_param->frame_crop_top_offset = 0; seq_param->frame_crop_bottom_offset = (16 * feienc->mb_height - GST_VAAPI_ENCODER_HEIGHT (feienc)) / CropUnitY; } /* VUI parameters are always set, at least for timing_info (framerate) */ seq_param->vui_parameters_present_flag = TRUE; if (seq_param->vui_parameters_present_flag) { seq_param->vui_fields.bits.aspect_ratio_info_present_flag = TRUE; if (seq_param->vui_fields.bits.aspect_ratio_info_present_flag) { const GstVideoInfo *const vip = GST_VAAPI_ENCODER_VIDEO_INFO (feienc); seq_param->aspect_ratio_idc = 0xff; seq_param->sar_width = GST_VIDEO_INFO_PAR_N (vip); seq_param->sar_height = GST_VIDEO_INFO_PAR_D (vip); } seq_param->vui_fields.bits.bitstream_restriction_flag = FALSE; /* if vui_parameters_present_flag is TRUE and sps data belongs to * subset sps, timing_info_preset_flag should be zero (H.7.4.2.1.1) */ seq_param->vui_fields.bits.timing_info_present_flag = !feienc->view_idx; if (seq_param->vui_fields.bits.timing_info_present_flag) { seq_param->num_units_in_tick = GST_VAAPI_ENCODER_FPS_D (feienc); seq_param->time_scale = GST_VAAPI_ENCODER_FPS_N (feienc) * 2; } } return TRUE; } /* Fills in VA picture parameter buffer */ static gboolean fill_picture (GstVaapiFeiEncH264 * feienc, GstVaapiEncPicture * picture, GstVaapiSurfaceProxy * surface, GstVaapiCodedBuffer * const codedbuf) { VAEncPictureParameterBufferH264 *const pic_param = picture->param; GstVaapiH264ViewRefPool *const ref_pool = &feienc->ref_pools[feienc->view_idx]; GstVaapiFeiEncH264Ref *ref_pic; GList *reflist; guint i; memset (pic_param, 0, sizeof (VAEncPictureParameterBufferH264)); /* 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].flags = VA_PICTURE_H264_INVALID; } pic_param->coded_buf = GST_VAAPI_OBJECT_ID (codedbuf); pic_param->pic_parameter_set_id = feienc->view_idx; pic_param->seq_parameter_set_id = feienc->view_idx ? 1 : 0; pic_param->last_picture = 0; /* means last encoding picture */ pic_param->frame_num = picture->frame_num; pic_param->pic_init_qp = feienc->init_qp; pic_param->num_ref_idx_l0_active_minus1 = (ref_pool->max_reflist0_count ? (ref_pool->max_reflist0_count - 1) : 0); pic_param->num_ref_idx_l1_active_minus1 = (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; /* set picture fields */ pic_param->pic_fields.value = 0; pic_param->pic_fields.bits.idr_pic_flag = GST_VAAPI_ENC_PICTURE_IS_IDR (picture); pic_param->pic_fields.bits.reference_pic_flag = (picture->type != GST_VAAPI_PICTURE_TYPE_B); pic_param->pic_fields.bits.entropy_coding_mode_flag = feienc->use_cabac; pic_param->pic_fields.bits.weighted_pred_flag = FALSE; pic_param->pic_fields.bits.weighted_bipred_idc = 0; pic_param->pic_fields.bits.constrained_intra_pred_flag = 0; pic_param->pic_fields.bits.transform_8x8_mode_flag = feienc->use_dct8x8; /* enable debloking */ pic_param->pic_fields.bits.deblocking_filter_control_present_flag = TRUE; pic_param->pic_fields.bits.redundant_pic_cnt_present_flag = FALSE; /* bottom_field_pic_order_in_frame_present_flag */ pic_param->pic_fields.bits.pic_order_present_flag = FALSE; pic_param->pic_fields.bits.pic_scaling_matrix_present_flag = FALSE; return TRUE; } /* Adds slice headers to picture */ static gboolean add_slice_headers (GstVaapiFeiEncH264 * feienc, GstVaapiEncPicture * picture, GstVaapiFeiEncH264Ref ** reflist_0, guint reflist_0_count, GstVaapiFeiEncH264Ref ** reflist_1, guint reflist_1_count, GstVaapiFeiInfoToPakH264 * info_to_pak) { VAEncSliceParameterBufferH264 *slice_param; GstVaapiEncSlice *slice; GArray *h264_slice_params; guint slice_of_mbs, slice_mod_mbs, cur_slice_mbs; guint mb_size; guint last_mb_index; guint i_slice, i_ref; g_assert (picture); mb_size = feienc->mb_width * feienc->mb_height; g_assert (feienc->num_slices && feienc->num_slices < mb_size); slice_of_mbs = mb_size / feienc->num_slices; slice_mod_mbs = mb_size % feienc->num_slices; last_mb_index = 0; h264_slice_params = g_array_new (FALSE, TRUE, sizeof (VAEncSliceParameterBufferH264)); for (i_slice = 0; i_slice < feienc->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, feienc); g_assert (slice && slice->param_id != VA_INVALID_ID); slice_param = slice->param; memset (slice_param, 0, sizeof (VAEncSliceParameterBufferH264)); slice_param->macroblock_address = last_mb_index; slice_param->num_macroblocks = cur_slice_mbs; slice_param->macroblock_info = VA_INVALID_ID; slice_param->slice_type = h264_get_slice_type (picture->type); g_assert ((gint8) slice_param->slice_type != -1); slice_param->pic_parameter_set_id = feienc->view_idx; slice_param->idr_pic_id = feienc->idr_num; slice_param->pic_order_cnt_lsb = picture->poc; /* not used if pic_order_cnt_type = 0 */ slice_param->delta_pic_order_cnt_bottom = 0; memset (slice_param->delta_pic_order_cnt, 0, sizeof (slice_param->delta_pic_order_cnt)); /* only works for B frames */ if (slice_param->slice_type == GST_H264_B_SLICE) slice_param->direct_spatial_mv_pred_flag = TRUE; /* default equal to picture parameters */ slice_param->num_ref_idx_active_override_flag = TRUE; if (picture->type != GST_VAAPI_PICTURE_TYPE_I && reflist_0_count > 0) slice_param->num_ref_idx_l0_active_minus1 = reflist_0_count - 1; else slice_param->num_ref_idx_l0_active_minus1 = 0; if (picture->type == GST_VAAPI_PICTURE_TYPE_B && reflist_1_count > 0) slice_param->num_ref_idx_l1_active_minus1 = reflist_1_count - 1; else slice_param->num_ref_idx_l1_active_minus1 = 0; g_assert (slice_param->num_ref_idx_l0_active_minus1 >= 0); g_assert (slice_param->num_ref_idx_l1_active_minus1 == 0); i_ref = 0; if (picture->type != GST_VAAPI_PICTURE_TYPE_I) { for (; i_ref < reflist_0_count; ++i_ref) { slice_param->RefPicList0[i_ref].picture_id = GST_VAAPI_SURFACE_PROXY_SURFACE_ID (reflist_0[i_ref]->pic); 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].flags = 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].flags = VA_PICTURE_H264_INVALID; } /* not used if pic_param.pic_fields.bits.weighted_pred_flag == FALSE */ slice_param->luma_log2_weight_denom = 0; slice_param->chroma_log2_weight_denom = 0; slice_param->luma_weight_l0_flag = FALSE; memset (slice_param->luma_weight_l0, 0, sizeof (slice_param->luma_weight_l0)); memset (slice_param->luma_offset_l0, 0, sizeof (slice_param->luma_offset_l0)); slice_param->chroma_weight_l0_flag = FALSE; memset (slice_param->chroma_weight_l0, 0, sizeof (slice_param->chroma_weight_l0)); memset (slice_param->chroma_offset_l0, 0, sizeof (slice_param->chroma_offset_l0)); slice_param->luma_weight_l1_flag = FALSE; memset (slice_param->luma_weight_l1, 0, sizeof (slice_param->luma_weight_l1)); memset (slice_param->luma_offset_l1, 0, sizeof (slice_param->luma_offset_l1)); slice_param->chroma_weight_l1_flag = FALSE; memset (slice_param->chroma_weight_l1, 0, sizeof (slice_param->chroma_weight_l1)); memset (slice_param->chroma_offset_l1, 0, sizeof (slice_param->chroma_offset_l1)); slice_param->cabac_init_idc = 0; slice_param->slice_qp_delta = feienc->init_qp - feienc->min_qp; if (slice_param->slice_qp_delta > 4) slice_param->slice_qp_delta = 4; slice_param->disable_deblocking_filter_idc = 0; slice_param->slice_alpha_c0_offset_div2 = 2; slice_param->slice_beta_offset_div2 = 2; /* set calculation for next slice */ last_mb_index += cur_slice_mbs; g_array_append_val (h264_slice_params, *slice_param); gst_vaapi_enc_picture_add_slice (picture, slice); gst_vaapi_codec_object_replace (&slice, NULL); } g_assert (last_mb_index == mb_size); info_to_pak->h264_slice_headers = h264_slice_params; return TRUE; } /* Generates and submits SPS header accordingly into the bitstream */ static gboolean ensure_sequence (GstVaapiFeiEncH264 * feienc, GstVaapiEncPicture * picture, GstVaapiFeiInfoToPakH264 * info_to_pak) { GstVaapiEncSequence *sequence = NULL; VAEncSequenceParameterBufferH264 *seq_param; sequence = GST_VAAPI_ENC_SEQUENCE_NEW (H264, feienc); if (!sequence || !fill_sequence (feienc, sequence)) goto error_create_seq_param; seq_param = sequence->param; info_to_pak->h264_enc_sps = *seq_param; if (sequence) { gst_vaapi_enc_picture_set_sequence (picture, sequence); gst_vaapi_codec_object_replace (&sequence, NULL); } if (!feienc->is_mvc || feienc->view_idx > 0) feienc->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; } } /* Generates additional fei control parameters */ static gboolean ensure_fei_misc_params (GstVaapiFeiEncH264 * feienc, GstVaapiEncPicture * picture, GstVaapiCodedBufferProxy * codedbuf_proxy) { GstVaapiEncMiscParam *misc = NULL; GstVaapiSurfaceProxy *surface_proxy = picture->proxy; VAEncMiscParameterFEIFrameControlH264 *misc_fei_pic_control_param; guint mbcode_size = 0; guint mv_size = 0; guint dist_size = 0; /*fei pic control params */ misc = GST_VAAPI_ENC_FEI_MISC_PARAM_NEW (H264, feienc); g_assert (misc); if (!misc) return FALSE; misc_fei_pic_control_param = misc->data; surface_proxy = picture->proxy; misc_fei_pic_control_param->function = VA_FEI_FUNCTION_ENC; misc_fei_pic_control_param->search_path = feienc->search_path; misc_fei_pic_control_param->num_mv_predictors_l0 = feienc->num_mv_predictors_l0; misc_fei_pic_control_param->num_mv_predictors_l1 = feienc->num_mv_predictors_l1; misc_fei_pic_control_param->len_sp = feienc->len_sp; misc_fei_pic_control_param->sub_mb_part_mask = feienc->submb_part_mask; if (!feienc->use_dct8x8) misc_fei_pic_control_param->intra_part_mask = feienc->intra_part_mask | 2; misc_fei_pic_control_param->multi_pred_l0 = feienc->multi_predL0; misc_fei_pic_control_param->multi_pred_l1 = feienc->multi_predL1; misc_fei_pic_control_param->sub_pel_mode = feienc->subpel_mode; misc_fei_pic_control_param->inter_sad = feienc->inter_sad; misc_fei_pic_control_param->intra_sad = feienc->intra_sad; misc_fei_pic_control_param->distortion_type = 0; misc_fei_pic_control_param->repartition_check_enable = 0; misc_fei_pic_control_param->adaptive_search = feienc->adaptive_search; misc_fei_pic_control_param->mb_size_ctrl = 0; misc_fei_pic_control_param->ref_width = feienc->ref_width; misc_fei_pic_control_param->ref_height = feienc->ref_height; misc_fei_pic_control_param->search_window = feienc->search_window; /***** ENC input: mv_predictor *****/ if (surface_proxy->mvpred) { misc_fei_pic_control_param->mv_predictor = GST_VAAPI_FEI_CODEC_OBJECT (surface_proxy->mvpred)->param_id; misc_fei_pic_control_param->mv_predictor_enable = TRUE; gst_vaapi_codec_object_replace (&picture->mvpred, surface_proxy->mvpred); } else { misc_fei_pic_control_param->mv_predictor = VA_INVALID_ID; misc_fei_pic_control_param->mv_predictor_enable = FALSE; picture->mvpred = NULL; } /***** ENC input: qp ******/ if (surface_proxy->qp) { misc_fei_pic_control_param->qp = GST_VAAPI_FEI_CODEC_OBJECT (surface_proxy->qp)->param_id; misc_fei_pic_control_param->mb_qp = TRUE; gst_vaapi_codec_object_replace (&picture->qp, surface_proxy->qp); } else { misc_fei_pic_control_param->qp = VA_INVALID_ID; misc_fei_pic_control_param->mb_qp = FALSE; picture->qp = NULL; } /***** ENC input: mb_control ******/ if (surface_proxy->mbcntrl) { misc_fei_pic_control_param->mb_ctrl = GST_VAAPI_FEI_CODEC_OBJECT (surface_proxy->mbcntrl)->param_id; misc_fei_pic_control_param->mb_input = TRUE; gst_vaapi_codec_object_replace (&picture->mbcntrl, surface_proxy->mbcntrl); } else { misc_fei_pic_control_param->mb_ctrl = VA_INVALID_ID; misc_fei_pic_control_param->mb_input = FALSE; picture->mbcntrl = NULL; } mbcode_size = sizeof (VAEncFEIMBCodeH264) * feienc->mb_width * feienc->mb_height; mv_size = sizeof (VAMotionVector) * 16 * feienc->mb_width * feienc->mb_height; dist_size = sizeof (VAEncFEIDistortionH264) * feienc->mb_width * feienc->mb_height; /***** ENC_PAK/ENC output: macroblock code buffer *****/ codedbuf_proxy->mbcode = gst_vaapi_enc_fei_mb_code_new (GST_VAAPI_ENCODER_CAST (feienc), NULL, mbcode_size); misc_fei_pic_control_param->mb_code_data = GST_VAAPI_FEI_CODEC_OBJECT (codedbuf_proxy->mbcode)->param_id; picture->mbcode = gst_vaapi_codec_object_ref (codedbuf_proxy->mbcode); /***** ENC_PAK/ENC output: motion vector buffer *****/ codedbuf_proxy->mv = gst_vaapi_enc_fei_mv_new (GST_VAAPI_ENCODER_CAST (feienc), NULL, mv_size); misc_fei_pic_control_param->mv_data = GST_VAAPI_FEI_CODEC_OBJECT (codedbuf_proxy->mv)->param_id; picture->mv = gst_vaapi_codec_object_ref (codedbuf_proxy->mv); /* Fixme: a copy needed in coded_buf proxy */ /***** ENC_PAK/ENC output: distortion buffer *****/ picture->dist = gst_vaapi_enc_fei_distortion_new (GST_VAAPI_ENCODER_CAST (feienc), NULL, dist_size); misc_fei_pic_control_param->distortion = GST_VAAPI_FEI_CODEC_OBJECT (picture->dist)->param_id; codedbuf_proxy->dist = gst_vaapi_codec_object_ref (picture->dist); 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 (GstVaapiFeiEncH264 * feienc, GstVaapiEncPicture * picture) { GstVaapiEncMiscParam *misc = NULL; VAEncMiscParameterRateControl *rate_control; /* HRD params */ misc = GST_VAAPI_ENC_MISC_PARAM_NEW (HRD, feienc); g_assert (misc); if (!misc) return FALSE; fill_hrd_params (feienc, misc->data); gst_vaapi_enc_picture_add_misc_param (picture, misc); gst_vaapi_codec_object_replace (&misc, NULL); /* RateControl params */ if (GST_VAAPI_ENCODER_RATE_CONTROL (feienc) == GST_VAAPI_RATECONTROL_CBR || GST_VAAPI_ENCODER_RATE_CONTROL (feienc) == GST_VAAPI_RATECONTROL_VBR) { misc = GST_VAAPI_ENC_MISC_PARAM_NEW (RateControl, feienc); g_assert (misc); if (!misc) return FALSE; rate_control = misc->data; memset (rate_control, 0, sizeof (VAEncMiscParameterRateControl)); rate_control->bits_per_second = feienc->bitrate_bits; rate_control->target_percentage = 70; rate_control->window_size = feienc->cpb_length; rate_control->initial_qp = feienc->init_qp; rate_control->min_qp = feienc->min_qp; rate_control->basic_unit_size = 0; 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 (GstVaapiFeiEncH264 * feienc, GstVaapiEncPicture * picture, GstVaapiSurfaceProxy * surface, GstVaapiCodedBufferProxy * codedbuf_proxy, GstVaapiFeiInfoToPakH264 * info_to_pak) { gboolean res = FALSE; GstVaapiCodedBuffer *const codedbuf = GST_VAAPI_CODED_BUFFER_PROXY_BUFFER (codedbuf_proxy); VAEncPictureParameterBufferH264 *const pic_param = picture->param; res = fill_picture (feienc, picture, surface, codedbuf); if (!res) return FALSE; info_to_pak->h264_enc_pps = *pic_param; return TRUE; } /* Generates slice headers */ static gboolean ensure_slices (GstVaapiFeiEncH264 * feienc, GstVaapiEncPicture * picture, GstVaapiFeiInfoToPakH264 * info_to_pak) { GstVaapiFeiEncH264Ref *reflist_0[16]; GstVaapiFeiEncH264Ref *reflist_1[16]; GstVaapiH264ViewRefPool *const ref_pool = &feienc->ref_pools[feienc->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 (feienc, 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 (feienc, picture, reflist_0, reflist_0_count, reflist_1, reflist_1_count, info_to_pak)) return FALSE; return TRUE; } /* Normalizes bitrate (and CPB size) for HRD conformance */ static void ensure_bitrate_hrd (GstVaapiFeiEncH264 * feienc) { GstVaapiEncoder *const base_encoder = GST_VAAPI_ENCODER_CAST (feienc); guint bitrate, cpb_size; if (!base_encoder->bitrate) { feienc->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); if (bitrate != feienc->bitrate_bits) { GST_DEBUG ("HRD bitrate: %u bits/sec", bitrate); feienc->bitrate_bits = bitrate; feienc->config_changed = TRUE; } /* Round up CPB size. This is an HRD compliance detail */ g_assert (SX_CPB_SIZE >= 4); cpb_size = gst_util_uint64_scale (bitrate, feienc->cpb_length, 1000) & ~((1U << SX_CPB_SIZE) - 1); if (cpb_size != feienc->cpb_length_bits) { GST_DEBUG ("HRD CPB size: %u bits", cpb_size); feienc->cpb_length_bits = cpb_size; feienc->config_changed = TRUE; } } /* Estimates a good enough bitrate if none was supplied */ static void ensure_bitrate (GstVaapiFeiEncH264 * feienc) { GstVaapiEncoder *const base_encoder = GST_VAAPI_ENCODER_CAST (feienc); /* Default compression: 48 bits per macroblock in "high-compression" mode */ switch (GST_VAAPI_ENCODER_RATE_CONTROL (feienc)) { case GST_VAAPI_RATECONTROL_CBR: case GST_VAAPI_RATECONTROL_VBR: case GST_VAAPI_RATECONTROL_VBR_CONSTRAINED: if (!base_encoder->bitrate) { /* According to the literature and testing, CABAC entropy coding mode could provide for +10% to +18% improvement in general, thus estimating +15% here ; and using adaptive 8x8 transforms in I-frames could bring up to +10% improvement. */ guint bits_per_mb = 48; if (!feienc->use_cabac) bits_per_mb += (bits_per_mb * 15) / 100; if (!feienc->use_dct8x8) bits_per_mb += (bits_per_mb * 10) / 100; base_encoder->bitrate = feienc->mb_width * feienc->mb_height * bits_per_mb * GST_VAAPI_ENCODER_FPS_N (feienc) / GST_VAAPI_ENCODER_FPS_D (feienc) / 1000; GST_INFO ("target bitrate computed to %u kbps", base_encoder->bitrate); } break; default: base_encoder->bitrate = 0; break; } ensure_bitrate_hrd (feienc); } /* Constructs profile and level information based on user-defined limits */ static GstVaapiEncoderStatus ensure_profile_and_level (GstVaapiFeiEncH264 * feienc) { const GstVaapiProfile profile = feienc->profile; const GstVaapiLevelH264 level = feienc->level; if (!ensure_tuning (feienc)) GST_WARNING ("Failed to set some of the tuning option as expected! "); if (!ensure_profile (feienc) || !ensure_profile_limits (feienc)) return GST_VAAPI_ENCODER_STATUS_ERROR_UNSUPPORTED_PROFILE; /* Check HW constraints */ if (!ensure_hw_profile_limits (feienc)) return GST_VAAPI_ENCODER_STATUS_ERROR_UNSUPPORTED_PROFILE; if (feienc->profile_idc > feienc->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 (feienc); if (!ensure_level (feienc)) return GST_VAAPI_ENCODER_STATUS_ERROR_OPERATION_FAILED; if (feienc->profile != profile || feienc->level != level) { GST_DEBUG ("selected %s profile at level %s", gst_vaapi_utils_h264_get_profile_string (feienc->profile), gst_vaapi_utils_h264_get_level_string (feienc->level)); feienc->config_changed = TRUE; } return GST_VAAPI_ENCODER_STATUS_SUCCESS; } static void reset_properties (GstVaapiFeiEncH264 * feienc) { GstVaapiEncoder *const base_encoder = GST_VAAPI_ENCODER_CAST (feienc); guint mb_size, i; guint max_reflist0_count; if (feienc->idr_period < base_encoder->keyframe_period) feienc->idr_period = base_encoder->keyframe_period; if (feienc->min_qp > feienc->init_qp || (GST_VAAPI_ENCODER_RATE_CONTROL (feienc) == GST_VAAPI_RATECONTROL_CQP && feienc->min_qp < feienc->init_qp)) feienc->min_qp = feienc->init_qp; mb_size = feienc->mb_width * feienc->mb_height; if (feienc->num_slices > (mb_size + 1) / 2) feienc->num_slices = (mb_size + 1) / 2; g_assert (feienc->num_slices); if (feienc->num_bframes > (base_encoder->keyframe_period + 1) / 2) feienc->num_bframes = (base_encoder->keyframe_period + 1) / 2; /* Workaround : vaapi-intel-driver doesn't have support for * B-frame encode when utilizing low-power encode hardware block. * So Disabling b-frame encoding in low-pwer encode. * * Fixme :We should query the VAConfigAttribEncMaxRefFrames * instead of blindly disabling b-frame support and set b/p frame count, * buffer pool size etc based on that.*/ if ((feienc->num_bframes > 0) && (feienc->entrypoint == GST_VAAPI_ENTRYPOINT_SLICE_ENCODE_LP)) { GST_WARNING ("Disabling b-frame since the driver doesn't supporting it in low-power encode"); feienc->num_bframes = 0; } if (feienc->num_bframes > 0 && GST_VAAPI_ENCODER_FPS_N (feienc) > 0) feienc->cts_offset = gst_util_uint64_scale (GST_SECOND, GST_VAAPI_ENCODER_FPS_D (feienc), GST_VAAPI_ENCODER_FPS_N (feienc)); else feienc->cts_offset = 0; /* init max_frame_num, max_poc */ feienc->log2_max_frame_num = h264_get_log2_max_frame_num (feienc->idr_period); g_assert (feienc->log2_max_frame_num >= 4); feienc->max_frame_num = (1 << feienc->log2_max_frame_num); feienc->log2_max_pic_order_cnt = feienc->log2_max_frame_num + 1; feienc->max_pic_order_cnt = (1 << feienc->log2_max_pic_order_cnt); feienc->idr_num = 0; if (feienc->num_bframes > 0) { if (feienc->num_ref_frames == 1) { GST_INFO ("num ref frames is modified as 2 as b frame is set"); feienc->num_ref_frames = 2; } max_reflist0_count = feienc->num_ref_frames - 1; } else { max_reflist0_count = feienc->num_ref_frames; } max_reflist0_count = max_reflist0_count > 5 ? 5 : max_reflist0_count; for (i = 0; i < feienc->num_views; i++) { GstVaapiH264ViewRefPool *const ref_pool = &feienc->ref_pools[i]; GstVaapiH264ViewReorderPool *const reorder_pool = &feienc->reorder_pools[i]; ref_pool->max_reflist0_count = max_reflist0_count; ref_pool->max_reflist1_count = feienc->num_bframes > 0; ref_pool->max_ref_frames = ref_pool->max_reflist0_count + ref_pool->max_reflist1_count; reorder_pool->frame_index = 0; } } /* only for vaapi encoder framework checking */ static GstVaapiEncoderStatus gst_vaapi_feienc_h264_fake_encode (GstVaapiEncoder * base_encoder, GstVaapiEncPicture * picture, GstVaapiCodedBufferProxy * codedbuf) { return GST_VAAPI_ENCODER_STATUS_SUCCESS; } GstVaapiEncoderStatus gst_vaapi_feienc_h264_encode (GstVaapiEncoder * base_encoder, GstVaapiEncPicture * picture, GstVaapiSurfaceProxy * reconstruct, GstVaapiCodedBufferProxy * codedbuf_proxy, GstVaapiFeiInfoToPakH264 * info_to_pak) { GstVaapiFeiEncH264 *const feienc = GST_VAAPI_FEI_H264_ENC_CAST (base_encoder); GstVaapiEncoderStatus ret = GST_VAAPI_ENCODER_STATUS_ERROR_UNKNOWN; if (!reconstruct || !codedbuf_proxy) return ret; if (!ensure_sequence (feienc, picture, info_to_pak)) goto error; if (!ensure_misc_params (feienc, picture)) goto error; if (!ensure_fei_misc_params (feienc, picture, codedbuf_proxy)) goto error; if (!ensure_picture (feienc, picture, reconstruct, codedbuf_proxy, info_to_pak)) goto error; if (!ensure_slices (feienc, picture, info_to_pak)) goto error; if (!gst_vaapi_enc_picture_encode (picture)) goto error; return GST_VAAPI_ENCODER_STATUS_SUCCESS; error: g_slice_free (GstVaapiFeiInfoToPakH264, info_to_pak); return ret; } GstVaapiEncoderStatus gst_vaapi_feienc_h264_flush (GstVaapiEncoder * base_encoder) { GstVaapiFeiEncH264 *const feienc = GST_VAAPI_FEI_H264_ENC_CAST (base_encoder); GstVaapiH264ViewReorderPool *reorder_pool; GstVaapiEncPicture *pic; guint i; for (i = 0; i < feienc->num_views; i++) { reorder_pool = &feienc->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); } return GST_VAAPI_ENCODER_STATUS_SUCCESS; } /* Generate "codec-data" buffer */ static GstVaapiEncoderStatus gst_vaapi_feienc_h264_get_codec_data (GstVaapiEncoder * base_encoder, GstBuffer ** out_buffer_ptr) { return GST_VAAPI_ENCODER_STATUS_SUCCESS; } GstVaapiEncoderStatus gst_vaapi_feienc_h264_reordering (GstVaapiEncoder * base_encoder, GstVideoCodecFrame * frame, GstVaapiEncPicture ** output) { GstVaapiFeiEncH264 *const feienc = GST_VAAPI_FEI_H264_ENC_CAST (base_encoder); GstVaapiH264ViewReorderPool *reorder_pool = NULL; GstVaapiEncPicture *picture; gboolean is_idr = FALSE; *output = NULL; /* encoding views alternatively for MVC */ if (feienc->is_mvc) { /* FIXME: Use first-in-bundle flag on buffers to reset view idx? */ if (frame) feienc->view_idx = frame->system_frame_number % feienc->num_views; else feienc->view_idx = (feienc->view_idx + 1) % feienc->num_views; } reorder_pool = &feienc->reorder_pools[feienc->view_idx]; if (!frame) { 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 (feienc->num_bframes > 0); 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 (&reorder_pool->reorder_frame_list); g_assert (picture); if (g_queue_is_empty (&reorder_pool->reorder_frame_list)) { reorder_pool->reorder_state = GST_VAAPI_ENC_H264_REORD_WAIT_FRAMES; } goto end; } /* new frame coming */ picture = GST_VAAPI_ENC_PICTURE_NEW (H264, feienc, frame); if (!picture) { GST_WARNING ("create H264 picture failed, frame timestamp:%" GST_TIME_FORMAT, GST_TIME_ARGS (frame->pts)); return GST_VAAPI_ENCODER_STATUS_ERROR_ALLOCATION_FAILED; } ++reorder_pool->cur_present_index; picture->poc = ((reorder_pool->cur_present_index * 2) % feienc->max_pic_order_cnt); is_idr = (reorder_pool->frame_index == 0 || reorder_pool->frame_index >= feienc->idr_period); /* check key frames */ if (is_idr || GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME (frame) || (reorder_pool->frame_index % GST_VAAPI_ENCODER_KEYFRAME_PERIOD (feienc)) == 0) { ++reorder_pool->cur_frame_num; ++reorder_pool->frame_index; /* b frame enabled, check queue of reorder_frame_list */ if (feienc->num_bframes && !g_queue_is_empty (&reorder_pool->reorder_frame_list)) { GstVaapiEncPicture *p_pic; p_pic = g_queue_pop_tail (&reorder_pool->reorder_frame_list); set_p_frame (p_pic, feienc); g_queue_foreach (&reorder_pool->reorder_frame_list, (GFunc) set_b_frame, feienc); ++reorder_pool->cur_frame_num; set_key_frame (picture, feienc, is_idr); g_queue_push_tail (&reorder_pool->reorder_frame_list, picture); picture = p_pic; reorder_pool->reorder_state = GST_VAAPI_ENC_H264_REORD_DUMP_FRAMES; } else { /* no b frames in queue */ set_key_frame (picture, feienc, is_idr); g_assert (g_queue_is_empty (&reorder_pool->reorder_frame_list)); if (feienc->num_bframes) reorder_pool->reorder_state = GST_VAAPI_ENC_H264_REORD_WAIT_FRAMES; } goto end; } /* new p/b frames coming */ ++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) < feienc->num_bframes) { g_queue_push_tail (&reorder_pool->reorder_frame_list, picture); return GST_VAAPI_ENCODER_STATUS_NO_SURFACE; } ++reorder_pool->cur_frame_num; set_p_frame (picture, feienc); if (reorder_pool->reorder_state == GST_VAAPI_ENC_H264_REORD_WAIT_FRAMES) { g_queue_foreach (&reorder_pool->reorder_frame_list, (GFunc) set_b_frame, feienc); reorder_pool->reorder_state = GST_VAAPI_ENC_H264_REORD_DUMP_FRAMES; g_assert (!g_queue_is_empty (&reorder_pool->reorder_frame_list)); } end: g_assert (picture); frame = picture->frame; if (GST_CLOCK_TIME_IS_VALID (frame->pts)) frame->pts += feienc->cts_offset; *output = picture; return GST_VAAPI_ENCODER_STATUS_SUCCESS; } static GstVaapiEncoderStatus set_context_info (GstVaapiEncoder * base_encoder) { GstVaapiFeiEncH264 *const feienc = GST_VAAPI_FEI_H264_ENC_CAST (base_encoder); GstVideoInfo *const vip = GST_VAAPI_ENCODER_VIDEO_INFO (feienc); const guint DEFAULT_SURFACES_COUNT = 3; /* Maximum sizes for common headers (in bits) */ enum { MAX_SPS_HDR_SIZE = 16473, MAX_VUI_PARAMS_SIZE = 210, MAX_HRD_PARAMS_SIZE = 4103, MAX_PPS_HDR_SIZE = 101, MAX_SLICE_HDR_SIZE = 397 + 2572 + 6670 + 2402, }; if (!ensure_hw_profile (feienc)) return GST_VAAPI_ENCODER_STATUS_ERROR_UNSUPPORTED_PROFILE; base_encoder->num_ref_frames = (feienc->num_ref_frames + DEFAULT_SURFACES_COUNT) * feienc->num_views; /* Only YUV 4:2:0 formats are supported for now. This means that we have a limit of 3200 bits per macroblock. */ /* XXX: check profile and compute RawMbBits */ base_encoder->codedbuf_size = (GST_ROUND_UP_16 (vip->width) * GST_ROUND_UP_16 (vip->height) / 256) * 400; /* Account for SPS header */ /* XXX: exclude scaling lists, MVC/SVC extensions */ base_encoder->codedbuf_size += 4 + GST_ROUND_UP_8 (MAX_SPS_HDR_SIZE + MAX_VUI_PARAMS_SIZE + 2 * MAX_HRD_PARAMS_SIZE) / 8; /* Account for PPS header */ /* XXX: exclude slice groups, scaling lists, MVC/SVC extensions */ base_encoder->codedbuf_size += 4 + GST_ROUND_UP_8 (MAX_PPS_HDR_SIZE) / 8; /* Account for slice header */ base_encoder->codedbuf_size += feienc->num_slices * (4 + GST_ROUND_UP_8 (MAX_SLICE_HDR_SIZE) / 8); base_encoder->context_info.entrypoint = feienc->entrypoint; return GST_VAAPI_ENCODER_STATUS_SUCCESS; } GstVaapiEncoderStatus gst_vaapi_feienc_h264_reconfigure (GstVaapiEncoder * base_encoder) { GstVaapiFeiEncH264 *const feienc = GST_VAAPI_FEI_H264_ENC_CAST (base_encoder); GstVideoInfo *const vip = GST_VAAPI_ENCODER_VIDEO_INFO (feienc); GstVaapiEncoderStatus status; guint mb_width, mb_height; mb_width = (GST_VAAPI_ENCODER_WIDTH (feienc) + 15) / 16; mb_height = (GST_VAAPI_ENCODER_HEIGHT (feienc) + 15) / 16; if (mb_width != feienc->mb_width || mb_height != feienc->mb_height) { GST_DEBUG ("resolution: %dx%d", GST_VAAPI_ENCODER_WIDTH (feienc), GST_VAAPI_ENCODER_HEIGHT (feienc)); feienc->mb_width = mb_width; feienc->mb_height = mb_height; feienc->config_changed = TRUE; } /* Take number of MVC views from input caps if provided */ if (GST_VIDEO_INFO_MULTIVIEW_MODE (vip) == GST_VIDEO_MULTIVIEW_MODE_FRAME_BY_FRAME || GST_VIDEO_INFO_MULTIVIEW_MODE (vip) == GST_VIDEO_MULTIVIEW_MODE_MULTIVIEW_FRAME_BY_FRAME) feienc->num_views = GST_VIDEO_INFO_VIEWS (vip); feienc->is_mvc = feienc->num_views > 1; status = ensure_profile_and_level (feienc); if (status != GST_VAAPI_ENCODER_STATUS_SUCCESS) return status; reset_properties (feienc); status = set_context_info (base_encoder); if (status != GST_VAAPI_ENCODER_STATUS_SUCCESS) return status; return GST_VAAPI_ENCODER_STATUS_SUCCESS; } static gboolean gst_vaapi_feienc_h264_init (GstVaapiEncoder * base_encoder) { GstVaapiFeiEncH264 *const feienc = GST_VAAPI_FEI_H264_ENC_CAST (base_encoder); guint32 i; /* Default encoding entrypoint */ feienc->entrypoint = GST_VAAPI_ENTRYPOINT_SLICE_ENCODE; feienc->search_path = GST_VAAPI_FEI_H264_SEARCH_PATH_DEFAULT; feienc->len_sp = GST_VAAPI_FEI_H264_SEARCH_PATH_LENGTH_DEFAULT; feienc->ref_width = GST_VAAPI_FEI_H264_REF_WIDTH_DEFAULT; feienc->ref_height = GST_VAAPI_FEI_H264_REF_HEIGHT_DEFAULT; feienc->intra_part_mask = GST_VAAPI_FEI_H264_INTRA_PART_MASK_DEFAULT; feienc->submb_part_mask = GST_VAAPI_FEI_H264_SUB_MB_PART_MASK_DEFAULT; /* Multi-view coding information */ feienc->is_mvc = FALSE; feienc->num_views = 1; feienc->view_idx = 0; /* default num ref frames */ feienc->num_ref_frames = 1; memset (feienc->view_ids, 0, sizeof (feienc->view_ids)); feienc->entrypoint = GST_VAAPI_ENTRYPOINT_SLICE_ENCODE_FEI; /* re-ordering list initialize */ for (i = 0; i < MAX_NUM_VIEWS; i++) { GstVaapiH264ViewReorderPool *const reorder_pool = &feienc->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; } return TRUE; } static void gst_vaapi_feienc_h264_finalize (GstVaapiEncoder * base_encoder) { /*free private buffers */ GstVaapiFeiEncH264 *const feienc = GST_VAAPI_FEI_H264_ENC_CAST (base_encoder); GstVaapiEncPicture *pic; guint32 i; gst_buffer_replace (&feienc->sps_data, NULL); gst_buffer_replace (&feienc->subset_sps_data, NULL); gst_buffer_replace (&feienc->pps_data, NULL); /* re-ordering list initialize */ for (i = 0; i < MAX_NUM_VIEWS; i++) { GstVaapiH264ViewReorderPool *const reorder_pool = &feienc->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); } } GstVaapiEncoderStatus gst_vaapi_feienc_h264_set_property (GstVaapiEncoder * base_encoder, gint prop_id, const GValue * value) { GstVaapiFeiEncH264 *const feienc = GST_VAAPI_FEI_H264_ENC_CAST (base_encoder); switch (prop_id) { case GST_VAAPI_FEI_H264_ENC_PROP_MAX_BFRAMES: feienc->num_bframes = g_value_get_uint (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_INIT_QP: feienc->init_qp = g_value_get_uint (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_MIN_QP: feienc->min_qp = g_value_get_uint (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_NUM_SLICES: feienc->num_slices = g_value_get_uint (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_CABAC: feienc->use_cabac = g_value_get_boolean (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_DCT8X8: feienc->use_dct8x8 = g_value_get_boolean (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_CPB_LENGTH: feienc->cpb_length = g_value_get_uint (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_NUM_VIEWS: feienc->num_views = g_value_get_uint (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_VIEW_IDS:{ guint i; GValueArray *view_ids = g_value_get_boxed (value); if (view_ids == NULL) { for (i = 0; i < feienc->num_views; i++) feienc->view_ids[i] = i; } else { g_assert (view_ids->n_values <= feienc->num_views); for (i = 0; i < feienc->num_views; i++) { GValue *val = g_value_array_get_nth (view_ids, i); feienc->view_ids[i] = g_value_get_uint (val); } } break; } case GST_VAAPI_FEI_H264_ENC_PROP_NUM_REF: feienc->num_ref_frames = g_value_get_uint (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_NUM_MV_PREDICT_L0: feienc->num_mv_predictors_l0 = g_value_get_uint (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_NUM_MV_PREDICT_L1: feienc->num_mv_predictors_l1 = g_value_get_uint (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_SEARCH_WINDOW: feienc->search_window = g_value_get_enum (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_LEN_SP: feienc->len_sp = g_value_get_uint (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_SEARCH_PATH: feienc->search_path = g_value_get_enum (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_REF_WIDTH: feienc->ref_width = g_value_get_uint (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_REF_HEIGHT: feienc->ref_height = g_value_get_uint (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_SUBMB_MASK: feienc->submb_part_mask = g_value_get_flags (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_SUBPEL_MODE: feienc->subpel_mode = g_value_get_enum (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_INTRA_PART_MASK: feienc->intra_part_mask = g_value_get_flags (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_INTRA_SAD: feienc->intra_sad = g_value_get_enum (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_INTER_SAD: feienc->inter_sad = g_value_get_enum (value); break; case GST_VAAPI_FEI_H264_ENC_PROP_ADAPT_SEARCH: feienc->adaptive_search = g_value_get_boolean (value) ? 1 : 0; break; case GST_VAAPI_FEI_H264_ENC_PROP_MULTI_PRED_L0: feienc->multi_predL0 = g_value_get_boolean (value) ? 1 : 0; break; case GST_VAAPI_FEI_H264_ENC_PROP_MULTI_PRED_L1: feienc->multi_predL1 = g_value_get_boolean (value) ? 1 : 0; break; default: return GST_VAAPI_ENCODER_STATUS_ERROR_INVALID_PARAMETER; } return GST_VAAPI_ENCODER_STATUS_SUCCESS; } static const GstVaapiEncoderClassData fei_enc_class_data = { .codec = GST_VAAPI_CODEC_H264, .packed_headers = SUPPORTED_PACKED_HEADERS, .rate_control_get_type = gst_vaapi_rate_control_get_type, .default_rate_control = DEFAULT_RATECONTROL, .rate_control_mask = SUPPORTED_RATECONTROLS, .encoder_tune_get_type = gst_vaapi_encoder_tune_get_type, .default_encoder_tune = GST_VAAPI_ENCODER_TUNE_NONE, .encoder_tune_mask = SUPPORTED_TUNE_OPTIONS, }; static inline const GstVaapiEncoderClass * gst_vaapi_feienc_h264_class (void) { static const GstVaapiEncoderClass GstVaapiFeiEncH264Class = { .parent_class = { .size = sizeof (GstVaapiFeiEncH264), .finalize = (GDestroyNotify) gst_vaapi_encoder_finalize, } , .class_data = &fei_enc_class_data, .init = gst_vaapi_feienc_h264_init, .finalize = gst_vaapi_feienc_h264_finalize, .reconfigure = gst_vaapi_feienc_h264_reconfigure, .get_default_properties = gst_vaapi_feienc_h264_get_default_properties, .reordering = gst_vaapi_feienc_h264_reordering, .encode = gst_vaapi_feienc_h264_fake_encode, .flush = gst_vaapi_feienc_h264_flush, .set_property = gst_vaapi_feienc_h264_set_property, .get_codec_data = gst_vaapi_feienc_h264_get_codec_data, }; return &GstVaapiFeiEncH264Class; } /** * gst_vaapi_feienc_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 */ GstVaapiEncoder * gst_vaapi_feienc_h264_new (GstVaapiDisplay * display) { return gst_vaapi_encoder_new (gst_vaapi_feienc_h264_class (), display); } /** * gst_vaapi_feienc_h264_get_fei_properties: * * Determines the set of common and H.264 Fei specific feienc properties. * The caller owns an extra reference to the resulting array of * #GstVaapiEncoderPropInfo elements, so it shall be released with * g_ptr_array_unref() after usage. * * Return value: the set of feienc properties for #GstVaapiFeiEncH264, * or %NULL if an error occurred. */ static GPtrArray * gst_vaapi_feienc_h264_get_fei_properties (GPtrArray * props) { /** * GstVaapiFeiEncH264:num_mv_predictors_l0: * * The number of mv predict */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_NUM_MV_PREDICT_L0, g_param_spec_uint ("num-mvpredict-l0", "Num mv predict l0", "Indicate how many predictors should be used for l0", 0, 3, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:num_mv_predictors_l1: * * The number of mv predict */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_NUM_MV_PREDICT_L1, g_param_spec_uint ("num-mvpredict-l1", "Num mv predict l1", "Indicate how many predictors should be used for l1", 0, 3, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:search-window: */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_SEARCH_WINDOW, g_param_spec_enum ("search-window", "search window", "Specify one of the predefined search path", GST_VAAPI_TYPE_FEI_H264_SEARCH_WINDOW, GST_VAAPI_FEI_H264_SEARCH_WINDOW_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:len-sp: */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_LEN_SP, g_param_spec_uint ("len-sp", "len sp", "This value defines number of search units in search path", 1, 63, 32, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:search-path: */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_SEARCH_PATH, g_param_spec_enum ("search-path", "search path", "Specify search path", GST_VAAPI_TYPE_FEI_H264_SEARCH_PATH, GST_VAAPI_FEI_H264_SEARCH_PATH_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:ref-width: */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_REF_WIDTH, g_param_spec_uint ("ref-width", "ref width", "Width of search region in pixel, must be multiple of 4", 4, 64, 32, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:ref-height: */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_REF_HEIGHT, g_param_spec_uint ("ref-height", "ref height", "Height of search region in pixel, must be multiple of 4", 4, 32, 32, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:submb-mask: * Defines the bit-mask for disabling sub-partition * */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_SUBMB_MASK, g_param_spec_flags ("submbpart-mask", "submb part mask", "defines the bit-mask for disabling sub mb partition", GST_VAAPI_TYPE_FEI_H264_SUB_MB_PART_MASK, GST_VAAPI_FEI_H264_SUB_MB_PART_MASK_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:subpel-mode: */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_SUBPEL_MODE, g_param_spec_enum ("subpel-mode", "subpel mode", "Sub pixel precision for motion estimation", GST_VAAPI_TYPE_FEI_H264_SUB_PEL_MODE, GST_VAAPI_FEI_H264_SUB_PEL_MODE_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:intrapart-mask: */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_INTRA_PART_MASK, g_param_spec_flags ("intrapart-mask", "intra part mask", "What block and sub-block partitions are disabled for intra MBs", GST_VAAPI_TYPE_FEI_H264_INTRA_PART_MASK, GST_VAAPI_FEI_H264_INTRA_PART_MASK_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:intra-sad: */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_INTRA_SAD, g_param_spec_enum ("intra-sad", "intra sad", "Specifies distortion measure adjustments used in the motion search SAD comparison for intra MB", GST_VAAPI_TYPE_FEI_H264_SAD_MODE, GST_VAAPI_FEI_H264_SAD_MODE_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:inter-sad: */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_INTER_SAD, g_param_spec_enum ("inter-sad", "inter sad", "Specifies distortion measure adjustments used in the motion search SAD comparison for inter MB", GST_VAAPI_TYPE_FEI_H264_SAD_MODE, GST_VAAPI_FEI_H264_SAD_MODE_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:adaptive-search: */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_ADAPT_SEARCH, g_param_spec_boolean ("adaptive-search", "adaptive-search", "Enable adaptive search", FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:multi-predL0: */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_MULTI_PRED_L0, g_param_spec_boolean ("multi-predL0", "multi predL0", "Enable multi prediction for ref L0 list", FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:multi-predL0: */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_MULTI_PRED_L1, g_param_spec_boolean ("multi-predL1", "multi predL1", "Enable multi prediction for ref L1 list", FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); return props; } /** * gst_vaapi_feienc_h264_get_default_properties: * * Determines the set of common and H.264 specific feienc properties. * The caller owns an extra reference to the resulting array of * #GstVaapiEncoderPropInfo elements, so it shall be released with * g_ptr_array_unref() after usage. * * Return value: the set of feienc properties for #GstVaapiFeiEncH264, * or %NULL if an error occurred. */ GPtrArray * gst_vaapi_feienc_h264_get_default_properties (void) { const GstVaapiEncoderClass *const klass = gst_vaapi_feienc_h264_class (); GPtrArray *props; props = gst_vaapi_encoder_properties_get_default (klass); if (!props) return NULL; /** * GstVaapiFeiEncH264:max-bframes: * * The number of B-frames between I and P. */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_MAX_BFRAMES, g_param_spec_uint ("max-bframes", "Max B-Frames", "Number of B-frames between I and P", 0, 10, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:init-qp: * * The initial quantizer value. */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_INIT_QP, g_param_spec_uint ("init-qp", "Initial QP", "Initial quantizer value", 1, 51, 26, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:min-qp: * * The minimum quantizer value. */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_MIN_QP, g_param_spec_uint ("min-qp", "Minimum QP", "Minimum quantizer value", 1, 51, 1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:num-slices: * * The number of slices per frame. */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_NUM_SLICES, g_param_spec_uint ("num-slices", "Number of Slices", "Number of slices per frame", 1, 200, 1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:cabac: * * Enable CABAC entropy coding mode for improved compression ratio, * at the expense that the minimum target profile is Main. Default * is CAVLC entropy coding mode. */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_CABAC, g_param_spec_boolean ("cabac", "Enable CABAC", "Enable CABAC entropy coding mode", FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:dct8x8: * * Enable adaptive use of 8x8 transforms in I-frames. This improves * the compression ratio by the minimum target profile is High. * Default is to use 4x4 DCT only. */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_DCT8X8, g_param_spec_boolean ("dct8x8", "Enable 8x8 DCT", "Enable adaptive use of 8x8 transforms in I-frames", FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:cpb-length: * * The size of the CPB buffer in milliseconds. */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_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)); /** * GstVaapiFeiEncH264:num-views: * * The number of views for MVC encoding . */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_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)); /** * GstVaapiFeiEncH264:view-ids: * * The view ids for MVC encoding . */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_VIEW_IDS, g_param_spec_value_array ("view-ids", "View IDs", "Set of View Ids used for MVC encoding", g_param_spec_uint ("view-id-value", "View id value", "view id values used for mvc encoding", 0, MAX_VIEW_ID, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS), G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstVaapiFeiEncH264:num-ref: * * The number of reference frames. */ GST_VAAPI_ENCODER_PROPERTIES_APPEND (props, GST_VAAPI_FEI_H264_ENC_PROP_NUM_REF, g_param_spec_uint ("num-ref", "Num Ref", "reference frame number", 1, 6, 1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); props = gst_vaapi_feienc_h264_get_fei_properties (props); return props; } /** * gst_vaapi_feienc_h264_set_max_profile: * @feienc: a #GstVaapiFeiEncH264 * @profile: an H.264 #GstVaapiProfile * * Notifies the @feienc to use coding tools from the supplied * @profile at most. * * This means that if the minimal profile derived to * support the specified coding tools is greater than this @profile, * then an error is returned when the @feienc is configured. * * Return value: %TRUE on success */ gboolean gst_vaapi_feienc_h264_set_max_profile (GstVaapiFeiEncH264 * feienc, GstVaapiProfile profile) { guint8 profile_idc; g_return_val_if_fail (feienc != NULL, FALSE); g_return_val_if_fail (profile != GST_VAAPI_PROFILE_UNKNOWN, FALSE); if (gst_vaapi_profile_get_codec (profile) != GST_VAAPI_CODEC_H264) return FALSE; profile_idc = gst_vaapi_utils_h264_get_profile_idc (profile); if (!profile_idc) return FALSE; feienc->max_profile_idc = profile_idc; return TRUE; } gboolean gst_vaapi_feienc_h264_set_ref_pool (GstVaapiFeiEncH264 * feienc, gpointer ref_pool_ptr) { g_return_val_if_fail (feienc != NULL, FALSE); if (!ref_pool_ptr) return FALSE; memcpy (&feienc->ref_pools[0], ref_pool_ptr, sizeof (GstVaapiH264ViewRefPool) * MAX_NUM_VIEWS); return TRUE; } /** * gst_vaapi_feienc_h264_get_profile_and_level * @feienc: a #GstVaapiFeiEncH264 * @out_profile_ptr: return location for the #GstVaapiProfile * @out_profile_idc_ptr: return location for the #GstVaapiLevelH264 * * Queries the H.264 @feienc for the active profile and level. That * information is only constructed and valid after the feienc is * configured, i.e. after the gst_vaapi_feienc_set_codec_state() * function is called. * * Return value: %TRUE on success */ gboolean gst_vaapi_feienc_h264_get_profile_and_idc (GstVaapiFeiEncH264 * feienc, GstVaapiProfile * out_profile_ptr, guint8 * out_profile_idc_ptr) { g_return_val_if_fail (feienc != NULL, FALSE); if (!feienc->profile || !feienc->profile_idc) return FALSE; if (out_profile_ptr) *out_profile_ptr = feienc->profile; if (out_profile_idc_ptr) *out_profile_idc_ptr = feienc->profile_idc; return TRUE; }