/* * Copyright © 2012 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Xiang Haihao * Zhao Yakui * */ #include #include #include #include #include #include "intel_batchbuffer.h" #include "i965_defines.h" #include "i965_structs.h" #include "i965_drv_video.h" #include "i965_encoder.h" #include "i965_encoder_utils.h" #include "gen6_mfc.h" #include "gen6_vme.h" #include "intel_media.h" #define BRC_CLIP(x, min, max) \ { \ x = ((x > (max)) ? (max) : ((x < (min)) ? (min) : x)); \ } #define BRC_P_B_QP_DIFF 4 #define BRC_I_P_QP_DIFF 2 #define BRC_I_B_QP_DIFF (BRC_I_P_QP_DIFF + BRC_P_B_QP_DIFF) #define BRC_PWEIGHT 0.6 /* weight if P slice with comparison to I slice */ #define BRC_BWEIGHT 0.25 /* weight if B slice with comparison to I slice */ #define BRC_QP_MAX_CHANGE 5 /* maximum qp modification */ #define BRC_CY 0.1 /* weight for */ #define BRC_CX_UNDERFLOW 5. #define BRC_CX_OVERFLOW -4. #define BRC_PI_0_5 1.5707963267948966192313216916398 #ifndef HAVE_LOG2F #define log2f(x) (logf(x)/(float)M_LN2) #endif int intel_avc_enc_slice_type_fixup(int slice_type) { if (slice_type == SLICE_TYPE_SP || slice_type == SLICE_TYPE_P) slice_type = SLICE_TYPE_P; else if (slice_type == SLICE_TYPE_SI || slice_type == SLICE_TYPE_I) slice_type = SLICE_TYPE_I; else { if (slice_type != SLICE_TYPE_B) WARN_ONCE("Invalid slice type for H.264 encoding!\n"); slice_type = SLICE_TYPE_B; } return slice_type; } static void intel_mfc_bit_rate_control_context_init(struct encode_state *encode_state, struct gen6_mfc_context *mfc_context) { VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer; int width_in_mbs = pSequenceParameter->picture_width_in_mbs; int height_in_mbs = pSequenceParameter->picture_height_in_mbs; float fps = pSequenceParameter->time_scale * 0.5 / pSequenceParameter->num_units_in_tick ; int inter_mb_size = pSequenceParameter->bits_per_second * 1.0 / (fps+4.0) / width_in_mbs / height_in_mbs; int intra_mb_size = inter_mb_size * 5.0; int i; mfc_context->bit_rate_control_context[SLICE_TYPE_I].target_mb_size = intra_mb_size; mfc_context->bit_rate_control_context[SLICE_TYPE_I].target_frame_size = intra_mb_size * width_in_mbs * height_in_mbs; mfc_context->bit_rate_control_context[SLICE_TYPE_P].target_mb_size = inter_mb_size; mfc_context->bit_rate_control_context[SLICE_TYPE_P].target_frame_size = inter_mb_size * width_in_mbs * height_in_mbs; mfc_context->bit_rate_control_context[SLICE_TYPE_B].target_mb_size = inter_mb_size; mfc_context->bit_rate_control_context[SLICE_TYPE_B].target_frame_size = inter_mb_size * width_in_mbs * height_in_mbs; for(i = 0 ; i < 3; i++) { mfc_context->bit_rate_control_context[i].QpPrimeY = 26; mfc_context->bit_rate_control_context[i].MaxQpNegModifier = 6; mfc_context->bit_rate_control_context[i].MaxQpPosModifier = 6; mfc_context->bit_rate_control_context[i].GrowInit = 6; mfc_context->bit_rate_control_context[i].GrowResistance = 4; mfc_context->bit_rate_control_context[i].ShrinkInit = 6; mfc_context->bit_rate_control_context[i].ShrinkResistance = 4; mfc_context->bit_rate_control_context[i].Correct[0] = 8; mfc_context->bit_rate_control_context[i].Correct[1] = 4; mfc_context->bit_rate_control_context[i].Correct[2] = 2; mfc_context->bit_rate_control_context[i].Correct[3] = 2; mfc_context->bit_rate_control_context[i].Correct[4] = 4; mfc_context->bit_rate_control_context[i].Correct[5] = 8; } mfc_context->bit_rate_control_context[SLICE_TYPE_I].TargetSizeInWord = (intra_mb_size + 16)/ 16; mfc_context->bit_rate_control_context[SLICE_TYPE_P].TargetSizeInWord = (inter_mb_size + 16)/ 16; mfc_context->bit_rate_control_context[SLICE_TYPE_B].TargetSizeInWord = (inter_mb_size + 16)/ 16; mfc_context->bit_rate_control_context[SLICE_TYPE_I].MaxSizeInWord = mfc_context->bit_rate_control_context[SLICE_TYPE_I].TargetSizeInWord * 1.5; mfc_context->bit_rate_control_context[SLICE_TYPE_P].MaxSizeInWord = mfc_context->bit_rate_control_context[SLICE_TYPE_P].TargetSizeInWord * 1.5; mfc_context->bit_rate_control_context[SLICE_TYPE_B].MaxSizeInWord = mfc_context->bit_rate_control_context[SLICE_TYPE_B].TargetSizeInWord * 1.5; } static void intel_mfc_brc_init(struct encode_state *encode_state, struct intel_encoder_context* encoder_context) { struct gen6_mfc_context *mfc_context = encoder_context->mfc_context; VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer; VAEncMiscParameterBuffer* pMiscParamHRD = (VAEncMiscParameterBuffer*)encode_state->misc_param[VAEncMiscParameterTypeHRD]->buffer; VAEncMiscParameterHRD* pParameterHRD = (VAEncMiscParameterHRD*)pMiscParamHRD->data; double bitrate = pSequenceParameter->bits_per_second; double framerate = (double)pSequenceParameter->time_scale /(2 * (double)pSequenceParameter->num_units_in_tick); int inum = 1, pnum = 0, bnum = 0; /* Gop structure: number of I, P, B frames in the Gop. */ int intra_period = pSequenceParameter->intra_period; int ip_period = pSequenceParameter->ip_period; double qp1_size = 0.1 * 8 * 3 * (pSequenceParameter->picture_width_in_mbs<<4) * (pSequenceParameter->picture_height_in_mbs<<4)/2; double qp51_size = 0.001 * 8 * 3 * (pSequenceParameter->picture_width_in_mbs<<4) * (pSequenceParameter->picture_height_in_mbs<<4)/2; double bpf; if (pSequenceParameter->ip_period) { pnum = (intra_period + ip_period - 1)/ip_period - 1; bnum = intra_period - inum - pnum; } mfc_context->brc.mode = encoder_context->rate_control_mode; mfc_context->brc.target_frame_size[SLICE_TYPE_I] = (int)((double)((bitrate * intra_period)/framerate) / (double)(inum + BRC_PWEIGHT * pnum + BRC_BWEIGHT * bnum)); mfc_context->brc.target_frame_size[SLICE_TYPE_P] = BRC_PWEIGHT * mfc_context->brc.target_frame_size[SLICE_TYPE_I]; mfc_context->brc.target_frame_size[SLICE_TYPE_B] = BRC_BWEIGHT * mfc_context->brc.target_frame_size[SLICE_TYPE_I]; mfc_context->brc.gop_nums[SLICE_TYPE_I] = inum; mfc_context->brc.gop_nums[SLICE_TYPE_P] = pnum; mfc_context->brc.gop_nums[SLICE_TYPE_B] = bnum; bpf = mfc_context->brc.bits_per_frame = bitrate/framerate; mfc_context->hrd.buffer_size = (double)pParameterHRD->buffer_size; mfc_context->hrd.current_buffer_fullness = (double)(pParameterHRD->initial_buffer_fullness < mfc_context->hrd.buffer_size)? pParameterHRD->initial_buffer_fullness: mfc_context->hrd.buffer_size/2.; mfc_context->hrd.target_buffer_fullness = (double)mfc_context->hrd.buffer_size/2.; mfc_context->hrd.buffer_capacity = (double)mfc_context->hrd.buffer_size/qp1_size; mfc_context->hrd.violation_noted = 0; if ((bpf > qp51_size) && (bpf < qp1_size)) { mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY = 51 - 50*(bpf - qp51_size)/(qp1_size - qp51_size); } else if (bpf >= qp1_size) mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY = 1; else if (bpf <= qp51_size) mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY = 51; mfc_context->bit_rate_control_context[SLICE_TYPE_I].QpPrimeY = mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY; mfc_context->bit_rate_control_context[SLICE_TYPE_B].QpPrimeY = mfc_context->bit_rate_control_context[SLICE_TYPE_I].QpPrimeY; BRC_CLIP(mfc_context->bit_rate_control_context[SLICE_TYPE_I].QpPrimeY, 1, 51); BRC_CLIP(mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY, 1, 51); BRC_CLIP(mfc_context->bit_rate_control_context[SLICE_TYPE_B].QpPrimeY, 1, 51); } int intel_mfc_update_hrd(struct encode_state *encode_state, struct gen6_mfc_context *mfc_context, int frame_bits) { double prev_bf = mfc_context->hrd.current_buffer_fullness; mfc_context->hrd.current_buffer_fullness -= frame_bits; if (mfc_context->hrd.buffer_size > 0 && mfc_context->hrd.current_buffer_fullness <= 0.) { mfc_context->hrd.current_buffer_fullness = prev_bf; return BRC_UNDERFLOW; } mfc_context->hrd.current_buffer_fullness += mfc_context->brc.bits_per_frame; if (mfc_context->hrd.buffer_size > 0 && mfc_context->hrd.current_buffer_fullness > mfc_context->hrd.buffer_size) { if (mfc_context->brc.mode == VA_RC_VBR) mfc_context->hrd.current_buffer_fullness = mfc_context->hrd.buffer_size; else { mfc_context->hrd.current_buffer_fullness = prev_bf; return BRC_OVERFLOW; } } return BRC_NO_HRD_VIOLATION; } int intel_mfc_brc_postpack(struct encode_state *encode_state, struct gen6_mfc_context *mfc_context, int frame_bits) { gen6_brc_status sts = BRC_NO_HRD_VIOLATION; VAEncSliceParameterBufferH264 *pSliceParameter = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[0]->buffer; int slicetype = intel_avc_enc_slice_type_fixup(pSliceParameter->slice_type); int qpi = mfc_context->bit_rate_control_context[SLICE_TYPE_I].QpPrimeY; int qpp = mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY; int qpb = mfc_context->bit_rate_control_context[SLICE_TYPE_B].QpPrimeY; int qp; // quantizer of previously encoded slice of current type int qpn; // predicted quantizer for next frame of current type in integer format double qpf; // predicted quantizer for next frame of current type in float format double delta_qp; // QP correction int target_frame_size, frame_size_next; /* Notes: * x - how far we are from HRD buffer borders * y - how far we are from target HRD buffer fullness */ double x, y; double frame_size_alpha; qp = mfc_context->bit_rate_control_context[slicetype].QpPrimeY; target_frame_size = mfc_context->brc.target_frame_size[slicetype]; if (mfc_context->hrd.buffer_capacity < 5) frame_size_alpha = 0; else frame_size_alpha = (double)mfc_context->brc.gop_nums[slicetype]; if (frame_size_alpha > 30) frame_size_alpha = 30; frame_size_next = target_frame_size + (double)(target_frame_size - frame_bits) / (double)(frame_size_alpha + 1.); /* frame_size_next: avoiding negative number and too small value */ if ((double)frame_size_next < (double)(target_frame_size * 0.25)) frame_size_next = (int)((double)target_frame_size * 0.25); qpf = (double)qp * target_frame_size / frame_size_next; qpn = (int)(qpf + 0.5); if (qpn == qp) { /* setting qpn we round qpf making mistakes: now we are trying to compensate this */ mfc_context->brc.qpf_rounding_accumulator += qpf - qpn; if (mfc_context->brc.qpf_rounding_accumulator > 1.0) { qpn++; mfc_context->brc.qpf_rounding_accumulator = 0.; } else if (mfc_context->brc.qpf_rounding_accumulator < -1.0) { qpn--; mfc_context->brc.qpf_rounding_accumulator = 0.; } } /* making sure that QP is not changing too fast */ if ((qpn - qp) > BRC_QP_MAX_CHANGE) qpn = qp + BRC_QP_MAX_CHANGE; else if ((qpn - qp) < -BRC_QP_MAX_CHANGE) qpn = qp - BRC_QP_MAX_CHANGE; /* making sure that with QP predictions we did do not leave QPs range */ BRC_CLIP(qpn, 1, 51); /* checking wthether HRD compliance is still met */ sts = intel_mfc_update_hrd(encode_state, mfc_context, frame_bits); /* calculating QP delta as some function*/ x = mfc_context->hrd.target_buffer_fullness - mfc_context->hrd.current_buffer_fullness; if (x > 0) { x /= mfc_context->hrd.target_buffer_fullness; y = mfc_context->hrd.current_buffer_fullness; } else { x /= (mfc_context->hrd.buffer_size - mfc_context->hrd.target_buffer_fullness); y = mfc_context->hrd.buffer_size - mfc_context->hrd.current_buffer_fullness; } if (y < 0.01) y = 0.01; if (x > 1) x = 1; else if (x < -1) x = -1; delta_qp = BRC_QP_MAX_CHANGE*exp(-1/y)*sin(BRC_PI_0_5 * x); qpn = (int)(qpn + delta_qp + 0.5); /* making sure that with QP predictions we did do not leave QPs range */ BRC_CLIP(qpn, 1, 51); if (sts == BRC_NO_HRD_VIOLATION) { // no HRD violation /* correcting QPs of slices of other types */ if (slicetype == SLICE_TYPE_P) { if (abs(qpn + BRC_P_B_QP_DIFF - qpb) > 2) mfc_context->bit_rate_control_context[SLICE_TYPE_B].QpPrimeY += (qpn + BRC_P_B_QP_DIFF - qpb) >> 1; if (abs(qpn - BRC_I_P_QP_DIFF - qpi) > 2) mfc_context->bit_rate_control_context[SLICE_TYPE_I].QpPrimeY += (qpn - BRC_I_P_QP_DIFF - qpi) >> 1; } else if (slicetype == SLICE_TYPE_I) { if (abs(qpn + BRC_I_B_QP_DIFF - qpb) > 4) mfc_context->bit_rate_control_context[SLICE_TYPE_B].QpPrimeY += (qpn + BRC_I_B_QP_DIFF - qpb) >> 2; if (abs(qpn + BRC_I_P_QP_DIFF - qpp) > 2) mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY += (qpn + BRC_I_P_QP_DIFF - qpp) >> 2; } else { // SLICE_TYPE_B if (abs(qpn - BRC_P_B_QP_DIFF - qpp) > 2) mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY += (qpn - BRC_P_B_QP_DIFF - qpp) >> 1; if (abs(qpn - BRC_I_B_QP_DIFF - qpi) > 4) mfc_context->bit_rate_control_context[SLICE_TYPE_I].QpPrimeY += (qpn - BRC_I_B_QP_DIFF - qpi) >> 2; } BRC_CLIP(mfc_context->bit_rate_control_context[SLICE_TYPE_I].QpPrimeY, 1, 51); BRC_CLIP(mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY, 1, 51); BRC_CLIP(mfc_context->bit_rate_control_context[SLICE_TYPE_B].QpPrimeY, 1, 51); } else if (sts == BRC_UNDERFLOW) { // underflow if (qpn <= qp) qpn = qp + 1; if (qpn > 51) { qpn = 51; sts = BRC_UNDERFLOW_WITH_MAX_QP; //underflow with maxQP } } else if (sts == BRC_OVERFLOW) { if (qpn >= qp) qpn = qp - 1; if (qpn < 1) { // < 0 (?) overflow with minQP qpn = 1; sts = BRC_OVERFLOW_WITH_MIN_QP; // bit stuffing to be done } } mfc_context->bit_rate_control_context[slicetype].QpPrimeY = qpn; return sts; } static void intel_mfc_hrd_context_init(struct encode_state *encode_state, struct intel_encoder_context *encoder_context) { struct gen6_mfc_context *mfc_context = encoder_context->mfc_context; VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer; unsigned int rate_control_mode = encoder_context->rate_control_mode; int target_bit_rate = pSequenceParameter->bits_per_second; // current we only support CBR mode. if (rate_control_mode == VA_RC_CBR) { mfc_context->vui_hrd.i_bit_rate_value = target_bit_rate >> 10; mfc_context->vui_hrd.i_cpb_size_value = (target_bit_rate * 8) >> 10; mfc_context->vui_hrd.i_initial_cpb_removal_delay = mfc_context->vui_hrd.i_cpb_size_value * 0.5 * 1024 / target_bit_rate * 90000; mfc_context->vui_hrd.i_cpb_removal_delay = 2; mfc_context->vui_hrd.i_frame_number = 0; mfc_context->vui_hrd.i_initial_cpb_removal_delay_length = 24; mfc_context->vui_hrd.i_cpb_removal_delay_length = 24; mfc_context->vui_hrd.i_dpb_output_delay_length = 24; } } void intel_mfc_hrd_context_update(struct encode_state *encode_state, struct gen6_mfc_context *mfc_context) { mfc_context->vui_hrd.i_frame_number++; } int intel_mfc_interlace_check(VADriverContextP ctx, struct encode_state *encode_state, struct intel_encoder_context *encoder_context) { struct gen6_mfc_context *mfc_context = encoder_context->mfc_context; VAEncSliceParameterBufferH264 *pSliceParameter; int i; int mbCount = 0; int width_in_mbs = (mfc_context->surface_state.width + 15) / 16; int height_in_mbs = (mfc_context->surface_state.height + 15) / 16; for (i = 0; i < encode_state->num_slice_params_ext; i++) { pSliceParameter = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[i]->buffer; mbCount += pSliceParameter->num_macroblocks; } if ( mbCount == ( width_in_mbs * height_in_mbs ) ) return 0; return 1; } /* * Check whether the parameters related with CBR are updated and decide whether * it needs to reinitialize the configuration related with CBR. * Currently it will check the following parameters: * bits_per_second * frame_rate * gop_configuration(intra_period, ip_period, intra_idr_period) */ static bool intel_mfc_brc_updated_check(struct encode_state *encode_state, struct intel_encoder_context *encoder_context) { unsigned int rate_control_mode = encoder_context->rate_control_mode; struct gen6_mfc_context *mfc_context = encoder_context->mfc_context; double cur_fps, cur_bitrate; VAEncSequenceParameterBufferH264 *pSequenceParameter; if (rate_control_mode != VA_RC_CBR) { return false; } pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer; cur_bitrate = pSequenceParameter->bits_per_second; cur_fps = (double)pSequenceParameter->time_scale / (2 * (double)pSequenceParameter->num_units_in_tick); if ((cur_bitrate == mfc_context->brc.saved_bps) && (cur_fps == mfc_context->brc.saved_fps) && (pSequenceParameter->intra_period == mfc_context->brc.saved_intra_period) && (pSequenceParameter->intra_idr_period == mfc_context->brc.saved_idr_period) && (pSequenceParameter->intra_period == mfc_context->brc.saved_intra_period)) { /* the parameters related with CBR are not updaetd */ return false; } mfc_context->brc.saved_ip_period = pSequenceParameter->ip_period; mfc_context->brc.saved_intra_period = pSequenceParameter->intra_period; mfc_context->brc.saved_idr_period = pSequenceParameter->intra_idr_period; mfc_context->brc.saved_fps = cur_fps; mfc_context->brc.saved_bps = cur_bitrate; return true; } void intel_mfc_brc_prepare(struct encode_state *encode_state, struct intel_encoder_context *encoder_context) { unsigned int rate_control_mode = encoder_context->rate_control_mode; struct gen6_mfc_context *mfc_context = encoder_context->mfc_context; if (rate_control_mode == VA_RC_CBR) { bool brc_updated; assert(encoder_context->codec != CODEC_MPEG2); brc_updated = intel_mfc_brc_updated_check(encode_state, encoder_context); /*Programing bit rate control */ if ((mfc_context->bit_rate_control_context[SLICE_TYPE_I].MaxSizeInWord == 0) || brc_updated) { intel_mfc_bit_rate_control_context_init(encode_state, mfc_context); intel_mfc_brc_init(encode_state, encoder_context); } /*Programing HRD control */ if ((mfc_context->vui_hrd.i_cpb_size_value == 0) || brc_updated ) intel_mfc_hrd_context_init(encode_state, encoder_context); } } static int intel_avc_find_skipemulcnt(unsigned char *buf, int bits_length) { int i, found; int leading_zero_cnt, byte_length, zero_byte; int nal_unit_type; int skip_cnt = 0; #define NAL_UNIT_TYPE_MASK 0x1f #define HW_MAX_SKIP_LENGTH 15 byte_length = ALIGN(bits_length, 32) >> 3; leading_zero_cnt = 0; found = 0; for(i = 0; i < byte_length - 4; i++) { if (((buf[i] == 0) && (buf[i + 1] == 0) && (buf[i + 2] == 1)) || ((buf[i] == 0) && (buf[i + 1] == 0) && (buf[i + 2] == 0) && (buf[i + 3] == 1))) { found = 1; break; } leading_zero_cnt++; } if (!found) { /* warning message is complained. But anyway it will be inserted. */ WARN_ONCE("Invalid packed header data. " "Can't find the 000001 start_prefix code\n"); return 0; } i = leading_zero_cnt; zero_byte = 0; if (!((buf[i] == 0) && (buf[i + 1] == 0) && (buf[i + 2] == 1))) zero_byte = 1; skip_cnt = leading_zero_cnt + zero_byte + 3; /* the unit header byte is accounted */ nal_unit_type = (buf[skip_cnt]) & NAL_UNIT_TYPE_MASK; skip_cnt += 1; if (nal_unit_type == 14 || nal_unit_type == 20 || nal_unit_type == 21) { /* more unit header bytes are accounted for MVC/SVC */ skip_cnt += 3; } if (skip_cnt > HW_MAX_SKIP_LENGTH) { WARN_ONCE("Too many leading zeros are padded for packed data. " "It is beyond the HW range.!!!\n"); } return skip_cnt; } void intel_mfc_avc_pipeline_header_programing(VADriverContextP ctx, struct encode_state *encode_state, struct intel_encoder_context *encoder_context, struct intel_batchbuffer *slice_batch) { struct gen6_mfc_context *mfc_context = encoder_context->mfc_context; int idx = va_enc_packed_type_to_idx(VAEncPackedHeaderH264_SPS); unsigned int rate_control_mode = encoder_context->rate_control_mode; unsigned int skip_emul_byte_cnt; if (encode_state->packed_header_data[idx]) { VAEncPackedHeaderParameterBuffer *param = NULL; unsigned int *header_data = (unsigned int *)encode_state->packed_header_data[idx]->buffer; unsigned int length_in_bits; assert(encode_state->packed_header_param[idx]); param = (VAEncPackedHeaderParameterBuffer *)encode_state->packed_header_param[idx]->buffer; length_in_bits = param->bit_length; skip_emul_byte_cnt = intel_avc_find_skipemulcnt((unsigned char *)header_data, length_in_bits); mfc_context->insert_object(ctx, encoder_context, header_data, ALIGN(length_in_bits, 32) >> 5, length_in_bits & 0x1f, skip_emul_byte_cnt, 0, 0, !param->has_emulation_bytes, slice_batch); } idx = va_enc_packed_type_to_idx(VAEncPackedHeaderH264_PPS); if (encode_state->packed_header_data[idx]) { VAEncPackedHeaderParameterBuffer *param = NULL; unsigned int *header_data = (unsigned int *)encode_state->packed_header_data[idx]->buffer; unsigned int length_in_bits; assert(encode_state->packed_header_param[idx]); param = (VAEncPackedHeaderParameterBuffer *)encode_state->packed_header_param[idx]->buffer; length_in_bits = param->bit_length; skip_emul_byte_cnt = intel_avc_find_skipemulcnt((unsigned char *)header_data, length_in_bits); mfc_context->insert_object(ctx, encoder_context, header_data, ALIGN(length_in_bits, 32) >> 5, length_in_bits & 0x1f, skip_emul_byte_cnt, 0, 0, !param->has_emulation_bytes, slice_batch); } idx = va_enc_packed_type_to_idx(VAEncPackedHeaderH264_SEI); if (encode_state->packed_header_data[idx]) { VAEncPackedHeaderParameterBuffer *param = NULL; unsigned int *header_data = (unsigned int *)encode_state->packed_header_data[idx]->buffer; unsigned int length_in_bits; assert(encode_state->packed_header_param[idx]); param = (VAEncPackedHeaderParameterBuffer *)encode_state->packed_header_param[idx]->buffer; length_in_bits = param->bit_length; skip_emul_byte_cnt = intel_avc_find_skipemulcnt((unsigned char *)header_data, length_in_bits); mfc_context->insert_object(ctx, encoder_context, header_data, ALIGN(length_in_bits, 32) >> 5, length_in_bits & 0x1f, skip_emul_byte_cnt, 0, 0, !param->has_emulation_bytes, slice_batch); } else if (rate_control_mode == VA_RC_CBR) { // this is frist AU struct gen6_mfc_context *mfc_context = encoder_context->mfc_context; unsigned char *sei_data = NULL; int length_in_bits = build_avc_sei_buffer_timing( mfc_context->vui_hrd.i_initial_cpb_removal_delay_length, mfc_context->vui_hrd.i_initial_cpb_removal_delay, 0, mfc_context->vui_hrd.i_cpb_removal_delay_length, mfc_context->vui_hrd.i_cpb_removal_delay * mfc_context->vui_hrd.i_frame_number, mfc_context->vui_hrd.i_dpb_output_delay_length, 0, &sei_data); mfc_context->insert_object(ctx, encoder_context, (unsigned int *)sei_data, ALIGN(length_in_bits, 32) >> 5, length_in_bits & 0x1f, 5, 0, 0, 1, slice_batch); free(sei_data); } } VAStatus intel_mfc_avc_prepare(VADriverContextP ctx, struct encode_state *encode_state, struct intel_encoder_context *encoder_context) { struct i965_driver_data *i965 = i965_driver_data(ctx); struct gen6_mfc_context *mfc_context = encoder_context->mfc_context; struct object_surface *obj_surface; struct object_buffer *obj_buffer; GenAvcSurface *gen6_avc_surface; dri_bo *bo; VAStatus vaStatus = VA_STATUS_SUCCESS; int i, j, enable_avc_ildb = 0; VAEncSliceParameterBufferH264 *slice_param; struct i965_coded_buffer_segment *coded_buffer_segment; VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer; int width_in_mbs = pSequenceParameter->picture_width_in_mbs; int height_in_mbs = pSequenceParameter->picture_height_in_mbs; if (IS_GEN6(i965->intel.device_info)) { /* On the SNB it should be fixed to 128 for the DMV buffer */ width_in_mbs = 128; } for (j = 0; j < encode_state->num_slice_params_ext && enable_avc_ildb == 0; j++) { assert(encode_state->slice_params_ext && encode_state->slice_params_ext[j]->buffer); slice_param = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[j]->buffer; for (i = 0; i < encode_state->slice_params_ext[j]->num_elements; i++) { assert((slice_param->slice_type == SLICE_TYPE_I) || (slice_param->slice_type == SLICE_TYPE_SI) || (slice_param->slice_type == SLICE_TYPE_P) || (slice_param->slice_type == SLICE_TYPE_SP) || (slice_param->slice_type == SLICE_TYPE_B)); if (slice_param->disable_deblocking_filter_idc != 1) { enable_avc_ildb = 1; break; } slice_param++; } } /*Setup all the input&output object*/ /* Setup current frame and current direct mv buffer*/ obj_surface = encode_state->reconstructed_object; i965_check_alloc_surface_bo(ctx, obj_surface, 1, VA_FOURCC_NV12, SUBSAMPLE_YUV420); if ( obj_surface->private_data == NULL) { gen6_avc_surface = calloc(sizeof(GenAvcSurface), 1); gen6_avc_surface->dmv_top = dri_bo_alloc(i965->intel.bufmgr, "Buffer", 68 * width_in_mbs * height_in_mbs, 64); gen6_avc_surface->dmv_bottom = dri_bo_alloc(i965->intel.bufmgr, "Buffer", 68 * width_in_mbs * height_in_mbs, 64); assert(gen6_avc_surface->dmv_top); assert(gen6_avc_surface->dmv_bottom); obj_surface->private_data = (void *)gen6_avc_surface; obj_surface->free_private_data = (void *)gen_free_avc_surface; } gen6_avc_surface = (GenAvcSurface *) obj_surface->private_data; mfc_context->direct_mv_buffers[NUM_MFC_DMV_BUFFERS - 2].bo = gen6_avc_surface->dmv_top; mfc_context->direct_mv_buffers[NUM_MFC_DMV_BUFFERS - 1].bo = gen6_avc_surface->dmv_bottom; dri_bo_reference(gen6_avc_surface->dmv_top); dri_bo_reference(gen6_avc_surface->dmv_bottom); if (enable_avc_ildb) { mfc_context->post_deblocking_output.bo = obj_surface->bo; dri_bo_reference(mfc_context->post_deblocking_output.bo); } else { mfc_context->pre_deblocking_output.bo = obj_surface->bo; dri_bo_reference(mfc_context->pre_deblocking_output.bo); } mfc_context->surface_state.width = obj_surface->orig_width; mfc_context->surface_state.height = obj_surface->orig_height; mfc_context->surface_state.w_pitch = obj_surface->width; mfc_context->surface_state.h_pitch = obj_surface->height; /* Setup reference frames and direct mv buffers*/ for(i = 0; i < MAX_MFC_REFERENCE_SURFACES; i++) { obj_surface = encode_state->reference_objects[i]; if (obj_surface && obj_surface->bo) { mfc_context->reference_surfaces[i].bo = obj_surface->bo; dri_bo_reference(obj_surface->bo); /* Check DMV buffer */ if ( obj_surface->private_data == NULL) { gen6_avc_surface = calloc(sizeof(GenAvcSurface), 1); gen6_avc_surface->dmv_top = dri_bo_alloc(i965->intel.bufmgr, "Buffer", 68 * width_in_mbs * height_in_mbs, 64); gen6_avc_surface->dmv_bottom = dri_bo_alloc(i965->intel.bufmgr, "Buffer", 68 * width_in_mbs * height_in_mbs, 64); assert(gen6_avc_surface->dmv_top); assert(gen6_avc_surface->dmv_bottom); obj_surface->private_data = gen6_avc_surface; obj_surface->free_private_data = gen_free_avc_surface; } gen6_avc_surface = (GenAvcSurface *) obj_surface->private_data; /* Setup DMV buffer */ mfc_context->direct_mv_buffers[i*2].bo = gen6_avc_surface->dmv_top; mfc_context->direct_mv_buffers[i*2+1].bo = gen6_avc_surface->dmv_bottom; dri_bo_reference(gen6_avc_surface->dmv_top); dri_bo_reference(gen6_avc_surface->dmv_bottom); } else { break; } } mfc_context->uncompressed_picture_source.bo = encode_state->input_yuv_object->bo; dri_bo_reference(mfc_context->uncompressed_picture_source.bo); obj_buffer = encode_state->coded_buf_object; bo = obj_buffer->buffer_store->bo; mfc_context->mfc_indirect_pak_bse_object.bo = bo; mfc_context->mfc_indirect_pak_bse_object.offset = I965_CODEDBUFFER_HEADER_SIZE; mfc_context->mfc_indirect_pak_bse_object.end_offset = ALIGN(obj_buffer->size_element - 0x1000, 0x1000); dri_bo_reference(mfc_context->mfc_indirect_pak_bse_object.bo); dri_bo_map(bo, 1); coded_buffer_segment = (struct i965_coded_buffer_segment *)bo->virtual; coded_buffer_segment->mapped = 0; coded_buffer_segment->codec = encoder_context->codec; dri_bo_unmap(bo); return vaStatus; } /* * The LUT uses the pair of 4-bit units: (shift, base) structure. * 2^K * X = value . * So it is necessary to convert one cost into the nearest LUT format. * The derivation is: * 2^K *x = 2^n * (1 + deltaX) * k + log2(x) = n + log2(1 + deltaX) * log2(x) = n - k + log2(1 + deltaX) * As X is in the range of [1, 15] * 4 > n - k + log2(1 + deltaX) >= 0 * => n + log2(1 + deltaX) >= k > n - 4 + log2(1 + deltaX) * Then we can derive the corresponding K and get the nearest LUT format. */ int intel_format_lutvalue(int value, int max) { int ret; int logvalue, temp1, temp2; if (value <= 0) return 0; logvalue = (int)(log2f((float)value)); if (logvalue < 4) { ret = value; } else { int error, temp_value, base, j, temp_err; error = value; j = logvalue - 4 + 1; ret = -1; for(; j <= logvalue; j++) { if (j == 0) { base = value >> j; } else { base = (value + (1 << (j - 1)) - 1) >> j; } if (base >= 16) continue; temp_value = base << j; temp_err = abs(value - temp_value); if (temp_err < error) { error = temp_err; ret = (j << 4) | base; if (temp_err == 0) break; } } } temp1 = (ret & 0xf) << ((ret & 0xf0) >> 4); temp2 = (max & 0xf) << ((max & 0xf0) >> 4); if (temp1 > temp2) ret = max; return ret; } #define QP_MAX 52 static float intel_lambda_qp(int qp) { float value, lambdaf; value = qp; value = value / 6 - 2; if (value < 0) value = 0; lambdaf = roundf(powf(2, value)); return lambdaf; } void intel_vme_update_mbmv_cost(VADriverContextP ctx, struct encode_state *encode_state, struct intel_encoder_context *encoder_context) { struct gen6_mfc_context *mfc_context = encoder_context->mfc_context; struct gen6_vme_context *vme_context = encoder_context->vme_context; VAEncPictureParameterBufferH264 *pic_param = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer; VAEncSliceParameterBufferH264 *slice_param = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[0]->buffer; int qp, m_cost, j, mv_count; uint8_t *vme_state_message = (uint8_t *)(vme_context->vme_state_message); float lambda, m_costf; int slice_type = intel_avc_enc_slice_type_fixup(slice_param->slice_type); if (encoder_context->rate_control_mode == VA_RC_CQP) qp = pic_param->pic_init_qp + slice_param->slice_qp_delta; else qp = mfc_context->bit_rate_control_context[slice_type].QpPrimeY; if (vme_state_message == NULL) return; assert(qp <= QP_MAX); lambda = intel_lambda_qp(qp); if (slice_type == SLICE_TYPE_I) { vme_state_message[MODE_INTRA_16X16] = 0; m_cost = lambda * 4; vme_state_message[MODE_INTRA_8X8] = intel_format_lutvalue(m_cost, 0x8f); m_cost = lambda * 16; vme_state_message[MODE_INTRA_4X4] = intel_format_lutvalue(m_cost, 0x8f); m_cost = lambda * 3; vme_state_message[MODE_INTRA_NONPRED] = intel_format_lutvalue(m_cost, 0x6f); } else { m_cost = 0; vme_state_message[MODE_INTER_MV0] = intel_format_lutvalue(m_cost, 0x6f); for (j = 1; j < 3; j++) { m_costf = (log2f((float)(j + 1)) + 1.718f) * lambda; m_cost = (int)m_costf; vme_state_message[MODE_INTER_MV0 + j] = intel_format_lutvalue(m_cost, 0x6f); } mv_count = 3; for (j = 4; j <= 64; j *= 2) { m_costf = (log2f((float)(j + 1)) + 1.718f) * lambda; m_cost = (int)m_costf; vme_state_message[MODE_INTER_MV0 + mv_count] = intel_format_lutvalue(m_cost, 0x6f); mv_count++; } if (qp <= 25) { vme_state_message[MODE_INTRA_16X16] = 0x4a; vme_state_message[MODE_INTRA_8X8] = 0x4a; vme_state_message[MODE_INTRA_4X4] = 0x4a; vme_state_message[MODE_INTRA_NONPRED] = 0x4a; vme_state_message[MODE_INTER_16X16] = 0x4a; vme_state_message[MODE_INTER_16X8] = 0x4a; vme_state_message[MODE_INTER_8X8] = 0x4a; vme_state_message[MODE_INTER_8X4] = 0x4a; vme_state_message[MODE_INTER_4X4] = 0x4a; vme_state_message[MODE_INTER_BWD] = 0x2a; return; } m_costf = lambda * 10; vme_state_message[MODE_INTRA_16X16] = intel_format_lutvalue(m_cost, 0x8f); m_cost = lambda * 14; vme_state_message[MODE_INTRA_8X8] = intel_format_lutvalue(m_cost, 0x8f); m_cost = lambda * 24; vme_state_message[MODE_INTRA_4X4] = intel_format_lutvalue(m_cost, 0x8f); m_costf = lambda * 3.5; m_cost = m_costf; vme_state_message[MODE_INTRA_NONPRED] = intel_format_lutvalue(m_cost, 0x6f); if (slice_type == SLICE_TYPE_P) { m_costf = lambda * 2.5; m_cost = m_costf; vme_state_message[MODE_INTER_16X16] = intel_format_lutvalue(m_cost, 0x8f); m_costf = lambda * 4; m_cost = m_costf; vme_state_message[MODE_INTER_16X8] = intel_format_lutvalue(m_cost, 0x8f); m_costf = lambda * 1.5; m_cost = m_costf; vme_state_message[MODE_INTER_8X8] = intel_format_lutvalue(m_cost, 0x6f); m_costf = lambda * 3; m_cost = m_costf; vme_state_message[MODE_INTER_8X4] = intel_format_lutvalue(m_cost, 0x6f); m_costf = lambda * 5; m_cost = m_costf; vme_state_message[MODE_INTER_4X4] = intel_format_lutvalue(m_cost, 0x6f); /* BWD is not used in P-frame */ vme_state_message[MODE_INTER_BWD] = 0; } else { m_costf = lambda * 2.5; m_cost = m_costf; vme_state_message[MODE_INTER_16X16] = intel_format_lutvalue(m_cost, 0x8f); m_costf = lambda * 5.5; m_cost = m_costf; vme_state_message[MODE_INTER_16X8] = intel_format_lutvalue(m_cost, 0x8f); m_costf = lambda * 3.5; m_cost = m_costf; vme_state_message[MODE_INTER_8X8] = intel_format_lutvalue(m_cost, 0x6f); m_costf = lambda * 5.0; m_cost = m_costf; vme_state_message[MODE_INTER_8X4] = intel_format_lutvalue(m_cost, 0x6f); m_costf = lambda * 6.5; m_cost = m_costf; vme_state_message[MODE_INTER_4X4] = intel_format_lutvalue(m_cost, 0x6f); m_costf = lambda * 1.5; m_cost = m_costf; vme_state_message[MODE_INTER_BWD] = intel_format_lutvalue(m_cost, 0x6f); } } } #define MB_SCOREBOARD_A (1 << 0) #define MB_SCOREBOARD_B (1 << 1) #define MB_SCOREBOARD_C (1 << 2) void gen7_vme_scoreboard_init(VADriverContextP ctx, struct gen6_vme_context *vme_context) { vme_context->gpe_context.vfe_desc5.scoreboard0.enable = 1; vme_context->gpe_context.vfe_desc5.scoreboard0.type = SCOREBOARD_STALLING; vme_context->gpe_context.vfe_desc5.scoreboard0.mask = (MB_SCOREBOARD_A | MB_SCOREBOARD_B | MB_SCOREBOARD_C); /* In VME prediction the current mb depends on the neighbour * A/B/C macroblock. So the left/up/up-right dependency should * be considered. */ vme_context->gpe_context.vfe_desc6.scoreboard1.delta_x0 = -1; vme_context->gpe_context.vfe_desc6.scoreboard1.delta_y0 = 0; vme_context->gpe_context.vfe_desc6.scoreboard1.delta_x1 = 0; vme_context->gpe_context.vfe_desc6.scoreboard1.delta_y1 = -1; vme_context->gpe_context.vfe_desc6.scoreboard1.delta_x2 = 1; vme_context->gpe_context.vfe_desc6.scoreboard1.delta_y2 = -1; vme_context->gpe_context.vfe_desc7.dword = 0; return; } /* check whether the mb of (x_index, y_index) is out of bound */ static inline int loop_in_bounds(int x_index, int y_index, int first_mb, int num_mb, int mb_width, int mb_height) { int mb_index; if (x_index < 0 || x_index >= mb_width) return -1; if (y_index < 0 || y_index >= mb_height) return -1; mb_index = y_index * mb_width + x_index; if (mb_index < first_mb || mb_index > (first_mb + num_mb)) return -1; return 0; } void gen7_vme_walker_fill_vme_batchbuffer(VADriverContextP ctx, struct encode_state *encode_state, int mb_width, int mb_height, int kernel, int transform_8x8_mode_flag, struct intel_encoder_context *encoder_context) { struct gen6_vme_context *vme_context = encoder_context->vme_context; int mb_row; int s; unsigned int *command_ptr; #define USE_SCOREBOARD (1 << 21) dri_bo_map(vme_context->vme_batchbuffer.bo, 1); command_ptr = vme_context->vme_batchbuffer.bo->virtual; for (s = 0; s < encode_state->num_slice_params_ext; s++) { VAEncSliceParameterBufferH264 *pSliceParameter = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[s]->buffer; int first_mb = pSliceParameter->macroblock_address; int num_mb = pSliceParameter->num_macroblocks; unsigned int mb_intra_ub, score_dep; int x_outer, y_outer, x_inner, y_inner; int xtemp_outer = 0; x_outer = first_mb % mb_width; y_outer = first_mb / mb_width; mb_row = y_outer; for (; x_outer < (mb_width -2 ) && !loop_in_bounds(x_outer, y_outer, first_mb, num_mb, mb_width, mb_height); ) { x_inner = x_outer; y_inner = y_outer; for (; !loop_in_bounds(x_inner, y_inner, first_mb, num_mb, mb_width, mb_height);) { mb_intra_ub = 0; score_dep = 0; if (x_inner != 0) { mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_AE; score_dep |= MB_SCOREBOARD_A; } if (y_inner != mb_row) { mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_B; score_dep |= MB_SCOREBOARD_B; if (x_inner != 0) mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_D; if (x_inner != (mb_width -1)) { mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_C; score_dep |= MB_SCOREBOARD_C; } } *command_ptr++ = (CMD_MEDIA_OBJECT | (8 - 2)); *command_ptr++ = kernel; *command_ptr++ = USE_SCOREBOARD; /* Indirect data */ *command_ptr++ = 0; /* the (X, Y) term of scoreboard */ *command_ptr++ = ((y_inner << 16) | x_inner); *command_ptr++ = score_dep; /*inline data */ *command_ptr++ = (mb_width << 16 | y_inner << 8 | x_inner); *command_ptr++ = ((1 << 18) | (1 << 16) | transform_8x8_mode_flag | (mb_intra_ub << 8)); x_inner -= 2; y_inner += 1; } x_outer += 1; } xtemp_outer = mb_width - 2; if (xtemp_outer < 0) xtemp_outer = 0; x_outer = xtemp_outer; y_outer = first_mb / mb_width; for (;!loop_in_bounds(x_outer, y_outer, first_mb, num_mb, mb_width, mb_height); ) { y_inner = y_outer; x_inner = x_outer; for (; !loop_in_bounds(x_inner, y_inner, first_mb, num_mb, mb_width, mb_height);) { mb_intra_ub = 0; score_dep = 0; if (x_inner != 0) { mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_AE; score_dep |= MB_SCOREBOARD_A; } if (y_inner != mb_row) { mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_B; score_dep |= MB_SCOREBOARD_B; if (x_inner != 0) mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_D; if (x_inner != (mb_width -1)) { mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_C; score_dep |= MB_SCOREBOARD_C; } } *command_ptr++ = (CMD_MEDIA_OBJECT | (8 - 2)); *command_ptr++ = kernel; *command_ptr++ = USE_SCOREBOARD; /* Indirect data */ *command_ptr++ = 0; /* the (X, Y) term of scoreboard */ *command_ptr++ = ((y_inner << 16) | x_inner); *command_ptr++ = score_dep; /*inline data */ *command_ptr++ = (mb_width << 16 | y_inner << 8 | x_inner); *command_ptr++ = ((1 << 18) | (1 << 16) | transform_8x8_mode_flag | (mb_intra_ub << 8)); x_inner -= 2; y_inner += 1; } x_outer++; if (x_outer >= mb_width) { y_outer += 1; x_outer = xtemp_outer; } } } *command_ptr++ = 0; *command_ptr++ = MI_BATCH_BUFFER_END; dri_bo_unmap(vme_context->vme_batchbuffer.bo); } static uint8_t intel_get_ref_idx_state_1(VAPictureH264 *va_pic, unsigned int frame_store_id) { unsigned int is_long_term = !!(va_pic->flags & VA_PICTURE_H264_LONG_TERM_REFERENCE); unsigned int is_top_field = !!(va_pic->flags & VA_PICTURE_H264_TOP_FIELD); unsigned int is_bottom_field = !!(va_pic->flags & VA_PICTURE_H264_BOTTOM_FIELD); return ((is_long_term << 6) | ((is_top_field ^ is_bottom_field ^ 1) << 5) | (frame_store_id << 1) | ((is_top_field ^ 1) & is_bottom_field)); } void intel_mfc_avc_ref_idx_state(VADriverContextP ctx, struct encode_state *encode_state, struct intel_encoder_context *encoder_context) { struct gen6_vme_context *vme_context = encoder_context->vme_context; struct intel_batchbuffer *batch = encoder_context->base.batch; int slice_type; struct object_surface *obj_surface; unsigned int fref_entry, bref_entry; int frame_index, i; VAEncSliceParameterBufferH264 *slice_param = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[0]->buffer; fref_entry = 0x80808080; bref_entry = 0x80808080; slice_type = intel_avc_enc_slice_type_fixup(slice_param->slice_type); if (slice_type == SLICE_TYPE_P || slice_type == SLICE_TYPE_B) { int ref_idx_l0 = (vme_context->ref_index_in_mb[0] & 0xff); if (ref_idx_l0 > 3) { WARN_ONCE("ref_idx_l0 is out of range\n"); ref_idx_l0 = 0; } obj_surface = vme_context->used_reference_objects[0]; frame_index = -1; for (i = 0; i < 16; i++) { if (obj_surface && obj_surface == encode_state->reference_objects[i]) { frame_index = i; break; } } if (frame_index == -1) { WARN_ONCE("RefPicList0 is not found in DPB!\n"); } else { int ref_idx_l0_shift = ref_idx_l0 * 8; fref_entry &= ~(0xFF << ref_idx_l0_shift); fref_entry += (intel_get_ref_idx_state_1(vme_context->used_references[0], frame_index) << ref_idx_l0_shift); } } if (slice_type == SLICE_TYPE_B) { int ref_idx_l1 = (vme_context->ref_index_in_mb[1] & 0xff); if (ref_idx_l1 > 3) { WARN_ONCE("ref_idx_l1 is out of range\n"); ref_idx_l1 = 0; } obj_surface = vme_context->used_reference_objects[1]; frame_index = -1; for (i = 0; i < 16; i++) { if (obj_surface && obj_surface == encode_state->reference_objects[i]) { frame_index = i; break; } } if (frame_index == -1) { WARN_ONCE("RefPicList1 is not found in DPB!\n"); } else { int ref_idx_l1_shift = ref_idx_l1 * 8; bref_entry &= ~(0xFF << ref_idx_l1_shift); bref_entry += (intel_get_ref_idx_state_1(vme_context->used_references[1], frame_index) << ref_idx_l1_shift); } } BEGIN_BCS_BATCH(batch, 10); OUT_BCS_BATCH(batch, MFX_AVC_REF_IDX_STATE | 8); OUT_BCS_BATCH(batch, 0); //Select L0 OUT_BCS_BATCH(batch, fref_entry); //Only 1 reference for(i = 0; i < 7; i++) { OUT_BCS_BATCH(batch, 0x80808080); } ADVANCE_BCS_BATCH(batch); BEGIN_BCS_BATCH(batch, 10); OUT_BCS_BATCH(batch, MFX_AVC_REF_IDX_STATE | 8); OUT_BCS_BATCH(batch, 1); //Select L1 OUT_BCS_BATCH(batch, bref_entry); //Only 1 reference for(i = 0; i < 7; i++) { OUT_BCS_BATCH(batch, 0x80808080); } ADVANCE_BCS_BATCH(batch); } void intel_vme_mpeg2_state_setup(VADriverContextP ctx, struct encode_state *encode_state, struct intel_encoder_context *encoder_context) { struct gen6_vme_context *vme_context = encoder_context->vme_context; uint32_t *vme_state_message = (uint32_t *)(vme_context->vme_state_message); VAEncSequenceParameterBufferMPEG2 *seq_param = (VAEncSequenceParameterBufferMPEG2 *)encode_state->seq_param_ext->buffer; int width_in_mbs = ALIGN(seq_param->picture_width, 16) / 16; int height_in_mbs = ALIGN(seq_param->picture_height, 16) / 16; uint32_t mv_x, mv_y; VAEncSliceParameterBufferMPEG2 *slice_param = NULL; VAEncPictureParameterBufferMPEG2 *pic_param = NULL; slice_param = (VAEncSliceParameterBufferMPEG2 *)encode_state->slice_params_ext[0]->buffer; if (vme_context->mpeg2_level == MPEG2_LEVEL_LOW) { mv_x = 512; mv_y = 64; } else if (vme_context->mpeg2_level == MPEG2_LEVEL_MAIN) { mv_x = 1024; mv_y = 128; } else if (vme_context->mpeg2_level == MPEG2_LEVEL_HIGH) { mv_x = 2048; mv_y = 128; } else { WARN_ONCE("Incorrect Mpeg2 level setting!\n"); mv_x = 512; mv_y = 64; } pic_param = (VAEncPictureParameterBufferMPEG2 *)encode_state->pic_param_ext->buffer; if (pic_param->picture_type != VAEncPictureTypeIntra) { int qp, m_cost, j, mv_count; float lambda, m_costf; slice_param = (VAEncSliceParameterBufferMPEG2 *) encode_state->slice_params_ext[0]->buffer; qp = slice_param->quantiser_scale_code; lambda = intel_lambda_qp(qp); /* No Intra prediction. So it is zero */ vme_state_message[MODE_INTRA_8X8] = 0; vme_state_message[MODE_INTRA_4X4] = 0; vme_state_message[MODE_INTER_MV0] = 0; for (j = 1; j < 3; j++) { m_costf = (log2f((float)(j + 1)) + 1.718f) * lambda; m_cost = (int)m_costf; vme_state_message[MODE_INTER_MV0 + j] = intel_format_lutvalue(m_cost, 0x6f); } mv_count = 3; for (j = 4; j <= 64; j *= 2) { m_costf = (log2f((float)(j + 1)) + 1.718f) * lambda; m_cost = (int)m_costf; vme_state_message[MODE_INTER_MV0 + mv_count] = intel_format_lutvalue(m_cost, 0x6f); mv_count++; } m_cost = lambda; /* It can only perform the 16x16 search. So mode cost can be ignored for * the other mode. for example: 16x8/8x8 */ vme_state_message[MODE_INTRA_16X16] = intel_format_lutvalue(m_cost, 0x8f); vme_state_message[MODE_INTER_16X16] = intel_format_lutvalue(m_cost, 0x8f); vme_state_message[MODE_INTER_16X8] = 0; vme_state_message[MODE_INTER_8X8] = 0; vme_state_message[MODE_INTER_8X4] = 0; vme_state_message[MODE_INTER_4X4] = 0; vme_state_message[MODE_INTER_BWD] = intel_format_lutvalue(m_cost, 0x6f); } vme_state_message[MPEG2_MV_RANGE] = (mv_y << 16) | (mv_x); vme_state_message[MPEG2_PIC_WIDTH_HEIGHT] = (height_in_mbs << 16) | width_in_mbs; } void gen7_vme_mpeg2_walker_fill_vme_batchbuffer(VADriverContextP ctx, struct encode_state *encode_state, int mb_width, int mb_height, int kernel, struct intel_encoder_context *encoder_context) { struct gen6_vme_context *vme_context = encoder_context->vme_context; unsigned int *command_ptr; #define MPEG2_SCOREBOARD (1 << 21) dri_bo_map(vme_context->vme_batchbuffer.bo, 1); command_ptr = vme_context->vme_batchbuffer.bo->virtual; { unsigned int mb_intra_ub, score_dep; int x_outer, y_outer, x_inner, y_inner; int xtemp_outer = 0; int first_mb = 0; int num_mb = mb_width * mb_height; x_outer = 0; y_outer = 0; for (; x_outer < (mb_width -2 ) && !loop_in_bounds(x_outer, y_outer, first_mb, num_mb, mb_width, mb_height); ) { x_inner = x_outer; y_inner = y_outer; for (; !loop_in_bounds(x_inner, y_inner, first_mb, num_mb, mb_width, mb_height);) { mb_intra_ub = 0; score_dep = 0; if (x_inner != 0) { mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_AE; score_dep |= MB_SCOREBOARD_A; } if (y_inner != 0) { mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_B; score_dep |= MB_SCOREBOARD_B; if (x_inner != 0) mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_D; if (x_inner != (mb_width -1)) { mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_C; score_dep |= MB_SCOREBOARD_C; } } *command_ptr++ = (CMD_MEDIA_OBJECT | (8 - 2)); *command_ptr++ = kernel; *command_ptr++ = MPEG2_SCOREBOARD; /* Indirect data */ *command_ptr++ = 0; /* the (X, Y) term of scoreboard */ *command_ptr++ = ((y_inner << 16) | x_inner); *command_ptr++ = score_dep; /*inline data */ *command_ptr++ = (mb_width << 16 | y_inner << 8 | x_inner); *command_ptr++ = ((1 << 18) | (1 << 16) | (mb_intra_ub << 8)); x_inner -= 2; y_inner += 1; } x_outer += 1; } xtemp_outer = mb_width - 2; if (xtemp_outer < 0) xtemp_outer = 0; x_outer = xtemp_outer; y_outer = 0; for (;!loop_in_bounds(x_outer, y_outer, first_mb, num_mb, mb_width, mb_height); ) { y_inner = y_outer; x_inner = x_outer; for (; !loop_in_bounds(x_inner, y_inner, first_mb, num_mb, mb_width, mb_height);) { mb_intra_ub = 0; score_dep = 0; if (x_inner != 0) { mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_AE; score_dep |= MB_SCOREBOARD_A; } if (y_inner != 0) { mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_B; score_dep |= MB_SCOREBOARD_B; if (x_inner != 0) mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_D; if (x_inner != (mb_width -1)) { mb_intra_ub |= INTRA_PRED_AVAIL_FLAG_C; score_dep |= MB_SCOREBOARD_C; } } *command_ptr++ = (CMD_MEDIA_OBJECT | (8 - 2)); *command_ptr++ = kernel; *command_ptr++ = MPEG2_SCOREBOARD; /* Indirect data */ *command_ptr++ = 0; /* the (X, Y) term of scoreboard */ *command_ptr++ = ((y_inner << 16) | x_inner); *command_ptr++ = score_dep; /*inline data */ *command_ptr++ = (mb_width << 16 | y_inner << 8 | x_inner); *command_ptr++ = ((1 << 18) | (1 << 16) | (mb_intra_ub << 8)); x_inner -= 2; y_inner += 1; } x_outer++; if (x_outer >= mb_width) { y_outer += 1; x_outer = xtemp_outer; } } } *command_ptr++ = 0; *command_ptr++ = MI_BATCH_BUFFER_END; dri_bo_unmap(vme_context->vme_batchbuffer.bo); return; } static int avc_temporal_find_surface(VAPictureH264 *curr_pic, VAPictureH264 *ref_list, int num_pictures, int dir) { int i, found = -1, min = 0x7FFFFFFF; for (i = 0; i < num_pictures; i++) { int tmp; if ((ref_list[i].flags & VA_PICTURE_H264_INVALID) || (ref_list[i].picture_id == VA_INVALID_SURFACE)) break; tmp = curr_pic->TopFieldOrderCnt - ref_list[i].TopFieldOrderCnt; if (dir) tmp = -tmp; if (tmp > 0 && tmp < min) { min = tmp; found = i; } } return found; } void intel_avc_vme_reference_state(VADriverContextP ctx, struct encode_state *encode_state, struct intel_encoder_context *encoder_context, int list_index, int surface_index, void (* vme_source_surface_state)( VADriverContextP ctx, int index, struct object_surface *obj_surface, struct intel_encoder_context *encoder_context)) { struct gen6_vme_context *vme_context = encoder_context->vme_context; struct object_surface *obj_surface = NULL; struct i965_driver_data *i965 = i965_driver_data(ctx); VASurfaceID ref_surface_id; VAEncPictureParameterBufferH264 *pic_param = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer; VAEncSliceParameterBufferH264 *slice_param = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[0]->buffer; int max_num_references; VAPictureH264 *curr_pic; VAPictureH264 *ref_list; int ref_idx; if (list_index == 0) { max_num_references = pic_param->num_ref_idx_l0_active_minus1 + 1; ref_list = slice_param->RefPicList0; } else { max_num_references = pic_param->num_ref_idx_l1_active_minus1 + 1; ref_list = slice_param->RefPicList1; } if (max_num_references == 1) { if (list_index == 0) { ref_surface_id = slice_param->RefPicList0[0].picture_id; vme_context->used_references[0] = &slice_param->RefPicList0[0]; } else { ref_surface_id = slice_param->RefPicList1[0].picture_id; vme_context->used_references[1] = &slice_param->RefPicList1[0]; } if (ref_surface_id != VA_INVALID_SURFACE) obj_surface = SURFACE(ref_surface_id); if (!obj_surface || !obj_surface->bo) { obj_surface = encode_state->reference_objects[list_index]; vme_context->used_references[list_index] = &pic_param->ReferenceFrames[list_index]; } ref_idx = 0; } else { curr_pic = &pic_param->CurrPic; /* select the reference frame in temporal space */ ref_idx = avc_temporal_find_surface(curr_pic, ref_list, max_num_references, list_index == 1); ref_surface_id = ref_list[ref_idx].picture_id; if (ref_surface_id != VA_INVALID_SURFACE) /* otherwise warning later */ obj_surface = SURFACE(ref_surface_id); vme_context->used_reference_objects[list_index] = obj_surface; vme_context->used_references[list_index] = &ref_list[ref_idx]; } if (obj_surface && obj_surface->bo) { assert(ref_idx >= 0); vme_context->used_reference_objects[list_index] = obj_surface; vme_source_surface_state(ctx, surface_index, obj_surface, encoder_context); vme_context->ref_index_in_mb[list_index] = (ref_idx << 24 | ref_idx << 16 | ref_idx << 8 | ref_idx); } else { vme_context->used_reference_objects[list_index] = NULL; vme_context->used_references[list_index] = NULL; vme_context->ref_index_in_mb[list_index] = 0; } } void intel_avc_slice_insert_packed_data(VADriverContextP ctx, struct encode_state *encode_state, struct intel_encoder_context *encoder_context, int slice_index, struct intel_batchbuffer *slice_batch) { int count, i, start_index; unsigned int length_in_bits; VAEncPackedHeaderParameterBuffer *param = NULL; unsigned int *header_data = NULL; struct gen6_mfc_context *mfc_context = encoder_context->mfc_context; int slice_header_index; if (encode_state->slice_header_index[slice_index] == 0) slice_header_index = -1; else slice_header_index = (encode_state->slice_header_index[slice_index] & SLICE_PACKED_DATA_INDEX_MASK); count = encode_state->slice_rawdata_count[slice_index]; start_index = (encode_state->slice_rawdata_index[slice_index] & SLICE_PACKED_DATA_INDEX_MASK); for (i = 0; i < count; i++) { unsigned int skip_emul_byte_cnt; header_data = (unsigned int *)encode_state->packed_header_data_ext[start_index + i]->buffer; param = (VAEncPackedHeaderParameterBuffer *) (encode_state->packed_header_params_ext[start_index + i]->buffer); /* skip the slice header packed data type as it is lastly inserted */ if (param->type == VAEncPackedHeaderSlice) continue; length_in_bits = param->bit_length; skip_emul_byte_cnt = intel_avc_find_skipemulcnt((unsigned char *)header_data, length_in_bits); /* as the slice header is still required, the last header flag is set to * zero. */ mfc_context->insert_object(ctx, encoder_context, header_data, ALIGN(length_in_bits, 32) >> 5, length_in_bits & 0x1f, skip_emul_byte_cnt, 0, 0, !param->has_emulation_bytes, slice_batch); } if (slice_header_index == -1) { unsigned char *slice_header = NULL; int slice_header_length_in_bits = 0; VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer; VAEncPictureParameterBufferH264 *pPicParameter = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer; VAEncSliceParameterBufferH264 *pSliceParameter = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[slice_index]->buffer; /* No slice header data is passed. And the driver needs to generate it */ /* For the Normal H264 */ slice_header_length_in_bits = build_avc_slice_header(pSequenceParameter, pPicParameter, pSliceParameter, &slice_header); mfc_context->insert_object(ctx, encoder_context, (unsigned int *)slice_header, ALIGN(slice_header_length_in_bits, 32) >> 5, slice_header_length_in_bits & 0x1f, 5, /* first 5 bytes are start code + nal unit type */ 1, 0, 1, slice_batch); free(slice_header); } else { unsigned int skip_emul_byte_cnt; header_data = (unsigned int *)encode_state->packed_header_data_ext[slice_header_index]->buffer; param = (VAEncPackedHeaderParameterBuffer *) (encode_state->packed_header_params_ext[slice_header_index]->buffer); length_in_bits = param->bit_length; /* as the slice header is the last header data for one slice, * the last header flag is set to one. */ skip_emul_byte_cnt = intel_avc_find_skipemulcnt((unsigned char *)header_data, length_in_bits); mfc_context->insert_object(ctx, encoder_context, header_data, ALIGN(length_in_bits, 32) >> 5, length_in_bits & 0x1f, skip_emul_byte_cnt, 1, 0, !param->has_emulation_bytes, slice_batch); } return; }