diff options
Diffstat (limited to 'va')
| -rwxr-xr-x | va/Android.mk | 1 | ||||
| -rw-r--r-- | va/Makefile.am | 1 | ||||
| -rw-r--r-- | va/va.h | 1 | ||||
| -rw-r--r-- | va/va_enc_hevc.h | 701 |
4 files changed, 704 insertions, 0 deletions
diff --git a/va/Android.mk b/va/Android.mk index 5c5f763..c30d982 100755 --- a/va/Android.mk +++ b/va/Android.mk @@ -71,6 +71,7 @@ LOCAL_COPY_HEADERS := \ va_dec_hevc.h \ va_dec_jpeg.h \ va_drmcommon.h \ + va_enc_hevc.h \ va_enc_jpeg.h \ va_enc_vp8.h \ va_version.h diff --git a/va/Makefile.am b/va/Makefile.am index 39e5a06..4c12f34 100644 --- a/va/Makefile.am +++ b/va/Makefile.am @@ -46,6 +46,7 @@ libva_source_h = \ va_dec_jpeg.h \ va_dec_vp8.h \ va_drmcommon.h \ + va_enc_hevc.h \ va_enc_h264.h \ va_enc_jpeg.h \ va_enc_vp8.h \ @@ -2772,6 +2772,7 @@ typedef struct _VAPictureHEVC #include <va/va_dec_hevc.h> #include <va/va_dec_jpeg.h> #include <va/va_dec_vp8.h> +#include <va/va_enc_hevc.h> #include <va/va_enc_h264.h> #include <va/va_enc_jpeg.h> #include <va/va_enc_mpeg2.h> diff --git a/va/va_enc_hevc.h b/va/va_enc_hevc.h new file mode 100644 index 0000000..c5ec795 --- /dev/null +++ b/va/va_enc_hevc.h @@ -0,0 +1,701 @@ +/* + * Copyright (c) 2007-2014 Intel Corporation. All Rights Reserved. + * + * 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 INTEL 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. + */ + +/** + * \file va_enc_hevc.h + * \brief The HEVC encoding API + * + * This file contains the \ref api_enc_hevc "HEVC encoding API". + * + */ + +#ifndef VA_ENC_HEVC_H +#define VA_ENC_HEVC_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stdint.h> + +/** + * \defgroup api_enc_hevc HEVC encoding API + * + * @{ + */ + +/** + * @name Picture flags + * + * Those flags flags are meant to signal when a picture marks the end + * of a sequence, a stream, or even both at once. + * + * @{ + */ +/** + * \brief Marks the last picture in the sequence. + * + * i.e. the driver appends \c end_of_seq() NAL unit to the encoded frame. + */ +#define HEVC_LAST_PICTURE_EOSEQ 0x01 +/** + * \brief Marks the last picture in the stream. + * + * i.e. the driver appends \c end_of_stream() NAL unit to the encoded frame. + */ +#define HEVC_LAST_PICTURE_EOSTREAM 0x02 +/**@}*/ + +/** + * \brief Packed header types specific to HEVC encoding. + * + * Types of packed headers generally used for HEVC encoding. Each + * associated packed header data buffer shall contain the start code + * prefix 0x000001 followed by the complete NAL unit, thus also + * including the \c nal_unit_type. + * + * Note: the start code prefix can contain an arbitrary number of leading + * zeros. The driver will skip them for emulation prevention bytes insertion, + * if necessary. + */ +typedef enum { + /** + * \brief Packed Video Parameter Set (VPS). + * + * The corresponding packed header data buffer shall contain the + * complete video_parameter_set_rbsp() syntax element. + * + * Note: packed \c nal_unit_type shall be equal to 32. + */ + VAEncPackedHeaderHEVC_VPS = VAEncPackedHeaderSequence, + /** + * \brief Packed Sequence Parameter Set (SPS). + * + * The corresponding packed header data buffer shall contain the + * complete seq_parameter_set_rbsp() syntax element. + * + * Note: packed \c nal_unit_type shall be equal to 33. + */ + VAEncPackedHeaderHEVC_SPS = VAEncPackedHeaderSequence, + /** + * \brief Packed Picture Parameter Set (PPS). + * + * The corresponding packed header data buffer shall contain the + * complete pic_parameter_set_rbsp() syntax element. + * + * Note: packed \c nal_unit_type shall be equal to 34. + */ + VAEncPackedHeaderHEVC_PPS = VAEncPackedHeaderPicture, + /** + * \brief Packed slice header. + * + * The corresponding packed header data buffer shall contain the + * \c slice_header() syntax element only, along with any start + * code prefix and NAL unit type preceeding it. i.e. this means + * that the buffer does not contain any of the \c slice_data() or + * the \c rbsp_slice_trailing_bits(). + * + * Note: packed \c nal_unit_type shall be equal to 0 to 9 (non-IRAP + * picture), or 16 to 21 (IRAP picture). + */ + VAEncPackedHeaderHEVC_Slice = VAEncPackedHeaderSlice, + /** + * \brief Packed Supplemental Enhancement Information (SEI). + * + * The corresponding packed header data buffer shall contain the + * complete sei_rbsp() syntax element, thus including several + * sei_message() elements if necessary. + * + * Note: packed \c nal_unit_type shall be equal to 39 or 40. + */ + VAEncPackedHeaderHEVC_SEI = (VAEncPackedHeaderMiscMask | 1), +} VAEncPackedHeaderTypeHEVC; + +/** + * \brief Sequence parameter for HEVC encoding in main & main 10 + * profiles. + * + * This structure holds information for \c seq_parameter_set_data() as + * defined by the HEVC specification. + * + * If packed sequence headers mode is used, i.e. if the encoding + * pipeline was configured with the #VA_ENC_PACKED_HEADER_SEQUENCE + * flag, then the driver expects two more buffers to be provided to + * the same \c vaRenderPicture() as this buffer: + * - a #VAEncPackedHeaderParameterBuffer with type set to + * VAEncPackedHeaderType::VAEncPackedHeaderSequence ; + * - a #VAEncPackedHeaderDataBuffer which holds the actual packed + * header data. + * + * If \c seq_scaling_matrix_present_flag is set to \c 1, then a + * #VAQMatrixBufferHEVC buffer shall also be provided within the same + * \c vaRenderPicture() call as this sequence parameter buffer. + */ +typedef struct _VAEncSequenceParameterBufferHEVC { + /** \brief Same as the HEVC bitstream syntax element. + * value range [1..2]. + */ + uint8_t general_profile_idc; + /** \brief Same as the HEVC bitstream syntax element. + * general_level_idc shall be set equal to a value of 30 times the level + * numbers allowed [1, 2, 2.1, 3, 3.1, 4, 4.1, 5, 5.1, 5.2, 6, 6.1, 6.2] + */ + uint8_t general_level_idc; + /** \brief Same as the HEVC bitstream syntax element. + * Only value 0 is allowed for level value below 4, exclusive. + */ + uint8_t general_tier_flag; + /** \brief Period between I frames. */ + uint32_t intra_period; + /** \brief Period between IDR frames. */ + uint32_t intra_idr_period; + /** \brief Period between I/P frames. */ + uint32_t ip_period; + /** + * \brief Initial bitrate set for this sequence in CBR or VBR modes. + * + * This field represents the initial bitrate value for this + * sequence if CBR or VBR mode is used, i.e. if the encoder + * pipeline was created with a #VAConfigAttribRateControl + * attribute set to either \ref VA_RC_CBR or \ref VA_RC_VBR. + * + * The bitrate can be modified later on through + * #VAEncMiscParameterRateControl buffers. + */ + uint32_t bits_per_second; + /** \brief Picture width in pixel samples. + * Its value must be multiple of min CU size. + */ + uint16_t pic_width_in_luma_samples; + /** \brief Picture height in pixel samples. + * Its value must be multiple of min CU size. + */ + uint16_t pic_height_in_luma_samples; + + union { + struct { + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t chroma_format_idc : 2; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t separate_colour_plane_flag : 1; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t bit_depth_luma_minus8 : 3; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t bit_depth_chroma_minus8 : 3; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t scaling_list_enabled_flag : 1; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t strong_intra_smoothing_enabled_flag : 1; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t amp_enabled_flag : 1; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t sample_adaptive_offset_enabled_flag : 1; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t pcm_enabled_flag : 1; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t pcm_loop_filter_disabled_flag : 1; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t sps_temporal_mvp_enabled_flag : 1; + + uint32_t reserved_bits : 16; + } bits; + uint32_t value; + } seq_fields; + + /** \brief Same as the HEVC bitstream syntax element. + * value range [0..3] + */ + uint8_t log2_min_luma_coding_block_size_minus3; + + /** \brief Same as the HEVC bitstream syntax element. + */ + uint8_t log2_diff_max_min_luma_coding_block_size; + + /** \brief Same as the HEVC bitstream syntax element. + * value range [0..3] + */ + uint8_t log2_min_transform_block_size_minus2; + + /** \brief Same as the HEVC bitstream syntax element. + */ + uint8_t log2_diff_max_min_transform_block_size; + + /** \brief Same as the HEVC bitstream syntax element. + * value range [2] + */ + uint8_t max_transform_hierarchy_depth_inter; + + /** \brief Same as the HEVC bitstream syntax element. + * value range [2] + */ + uint8_t max_transform_hierarchy_depth_intra; + + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t pcm_sample_bit_depth_luma_minus1; + + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t pcm_sample_bit_depth_chroma_minus1; + + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t log2_min_pcm_luma_coding_block_size_minus3; + + /** \brief Derived from the HEVC bitstream syntax element. + * log2_min_pcm_luma_coding_block_size_minus3 + + * log2_diff_max_min_pcm_luma_coding_block_size + */ + uint32_t log2_max_pcm_luma_coding_block_size_minus3; + + /** @name VUI parameters (optional) */ + /**@{*/ + /** \brief Same as the HEVC bitstream syntax element. */ + uint8_t vui_parameters_present_flag; + union { + struct { + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t aspect_ratio_info_present_flag : 1; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t neutral_chroma_indication_flag : 1; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t field_seq_flag : 1; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t vui_timing_info_present_flag : 1; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t bitstream_restriction_flag : 1; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t tiles_fixed_structure_flag : 1; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t motion_vectors_over_pic_boundaries_flag : 1; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t restricted_ref_pic_lists_flag : 1; + /** \brief Range: 0 to 16, inclusive. */ + uint32_t log2_max_mv_length_horizontal : 5; + /** \brief Range: 0 to 16, inclusive. */ + uint32_t log2_max_mv_length_vertical : 5; + } bits; + uint32_t value; + } vui_fields; + /** \brief Same as the HEVC bitstream syntax element. */ + uint8_t aspect_ratio_idc; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t sar_width; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t sar_height; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t vui_num_units_in_tick; + /** \brief Same as the HEVC bitstream syntax element. */ + uint32_t vui_time_scale; + /** \brief Same as the HEVC bitstream syntax element. */ + uint16_t min_spatial_segmentation_idc; + /** \brief Same as the HEVC bitstream syntax element. */ + uint8_t max_bytes_per_pic_denom; + /** \brief Same as the HEVC bitstream syntax element. */ + uint8_t max_bits_per_min_cu_denom; + /**@}*/ +} VAEncSequenceParameterBufferHEVC; + +/**************************** + * HEVC data structures + ****************************/ +/** + * \brief Picture parameter for HEVC encoding in main & main 10 + * profiles. + * + * This structure holds information for \c pic_parameter_set_rbsp() as + * defined by the HEVC specification. + * + * If packed picture headers mode is used, i.e. if the encoding + * pipeline was configured with the #VA_ENC_PACKED_HEADER_PICTURE + * flag, then the driver expects two more buffers to be provided to + * the same \c vaRenderPicture() as this buffer: + * - a #VAEncPackedHeaderParameterBuffer with type set to + * VAEncPackedHeaderType::VAEncPackedHeaderPicture ; + * - a #VAEncPackedHeaderDataBuffer which holds the actual packed + * header data. + * + * If \c pic_scaling_matrix_present_flag is set to \c 1, then a + * #VAQMatrixBufferHEVC buffer shall also be provided within the same + * \c vaRenderPicture() call as this picture parameter buffer. + */ +typedef struct _VAEncPictureParameterBufferHEVC { + /** + * \brief Information about the picture to be encoded. + * + * See #VAPictureHEVC for further description of each field. + * Note that decoded_curr_pic.picture_id represents the reconstructed + * (decoded) picture. User provides a scratch VA surface ID here. + * Long term reference and RPS related fields should be set to 0 + * and ignored. + */ + VAPictureHEVC decoded_curr_pic; + /** + * \brief Decoded Picture Buffer (DPB). + * + * This array represents the list of reconstructed (decoded) + * frames used as reference. It is important to keep track of + * reconstructed frames so that they can be used later on as + * reference for P or B-frames encoding. + */ + VAPictureHEVC reference_frames[15]; + /** + * \brief Output encoded bitstream. + * + * \ref coded_buf has type #VAEncCodedBufferType. It should be + * large enough to hold the compressed NAL slice and possibly VPS, SPS + * and PPS NAL units, and other NAL units such as SEI. + */ + VABufferID coded_buf; + + /** \brief collocated reference picture buffer index of ReferenceFrames[]. + * Please note it is different from HEVC syntac element collocated_ref_idx. + * When the HEVC syntax element slice_temporal_mvp_enable_flag takes value 0, + * collocated_ref_pic_index should take value 0xFF. . + * Range: [0..14, 0xFF] + */ + uint8_t collocated_ref_pic_index; + + /** + * \brief OR'd flags describing whether the picture is the last one or not. + * + * This fields holds 0 if the picture to be encoded is not the last + * one in the stream or sequence. Otherwise, it is a combination of + * \ref HEVC_LAST_PICTURE_EOSEQ or \ref HEVC_LAST_PICTURE_EOSTREAM. + */ + uint8_t last_picture; + + /** \brief \c init_qp_minus26 + 26. */ + uint8_t pic_init_qp; + + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint8_t diff_cu_qp_delta_depth; + + /** \brief Corresponds to HEVC syntax element of the same name. */ + int8_t pps_cb_qp_offset; + + /** \brief Corresponds to HEVC syntax element of the same name. */ + int8_t pps_cr_qp_offset; + + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint8_t num_tile_columns_minus1; + + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint8_t num_tile_rows_minus1; + + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint8_t column_width_minus1[19]; + + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint8_t row_height_minus1[21]; + + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint8_t log2_parallel_merge_level_minus2; + + /** \brief Application may set the CTU bit size limit based on + * spec requirement (A.3.2), or other value for special purpose. + * If the value is set 0, no bit size limit is checked. + */ + uint8_t ctu_max_bitsize_allowed; + + /** \brief Maximum reference index for reference picture list 0. + * value range: [0..14]. + */ + uint8_t num_ref_idx_l0_default_active_minus1; + + /** \brief Maximum reference index for reference picture list 1. + * value range: [0..14]. + */ + uint8_t num_ref_idx_l1_default_active_minus1; + + /** \brief PPS header + * Used by GPU to generate new slice headers in slice size control. + * value range: [0..63]. + */ + uint8_t slice_pic_parameter_set_id; + + /** \brief NAL unit type + * Used by GPU to generate new slice headers in slice size control. + * value range: [0..63]. + */ + uint8_t nal_unit_type; + + union { + struct { + /** \brief Is picture an IDR picture? */ + uint32_t idr_pic_flag : 1; + /** \brief Picture type. + * I - 1; + * P - 2; + * B - 3; + * B1 - 4; + * B2 - 5; + * B1 and B2 are frame types for hierachical B, explanation + * can refer to num_b_in_gop[]. + */ + uint32_t coding_type : 3; + /** \brief Is picture a reference picture? */ + uint32_t reference_pic_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t dependent_slice_segments_enabled_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t sign_data_hiding_enabled_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t constrained_intra_pred_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t transform_skip_enabled_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t cu_qp_delta_enabled_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t weighted_pred_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t weighted_bipred_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t transquant_bypass_enabled_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t tiles_enabled_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t entropy_coding_sync_enabled_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t loop_filter_across_tiles_enabled_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t pps_loop_filter_across_slices_enabled_flag : 1; + /** \brief A combination of HEVC syntax element of + * sps_scaling_list_data_present_flag and + * pps_scaling_list_data_present_flag + * when scaling_list_enable_flag is 0, it must be 0. + */ + uint32_t scaling_list_data_present_flag : 1; + /** \brief indicate the current picture contains significant + * screen contents (text, characters, etc.) or animated image. + * GPU may want to treat them differently from normal video. + * For example, encoder may choose a small transform unit size + * and may use transform skip mode. + */ + uint32_t screen_content_flag : 1; + /** + * When either weighted_pred_flag or weighted_bipred_flag is + * turned on, the flag enable_gpu_weighted_prediction requests + * GPU to determine weighted prediction factors. In this case, + * the following parameters in slice control data structure + * shall be ignored: + * luma_log2_weight_denom, delta_chroma_log2_weight_denom, + * luma_offset_l0[15], luma_offset_l1[15], + * delta_luma_weight_l0[15], delta_luma_weight_l1[15], + * chroma_offset_l0[15][2], chroma_offset_l1[15][2], + * and delta_chroma_weight_l0[15][2], delta_chroma_weight_l1[15][2]. + */ + uint32_t enable_gpu_weighted_prediction : 1; + /** \brief HEVC syntax element in slice segment header + * GPU uses it to generate new slice headers in slice size control. + */ + uint32_t no_output_of_prior_pics_flag : 1; + uint32_t reserved : 11; + } bits; + uint32_t value; + } pic_fields; +} VAEncPictureParameterBufferHEVC; + +/** + * \brief Slice parameter for HEVC encoding in main & main 10 profiles. + * + * This structure holds information for \c + * slice_segment_layer_rbsp() as defined by the HEVC + * specification. + * + * If packed slice headers mode is used, i.e. if the encoding + * pipeline was configured with the #VA_ENC_PACKED_HEADER_SLICE + * flag, then the driver expects two more buffers to be provided to + * the same \c vaRenderPicture() as this buffer: + * - a #VAEncPackedHeaderParameterBuffer with type set to + * VAEncPackedHeaderType::VAEncPackedHeaderSlice ; + * - a #VAEncPackedHeaderDataBuffer which holds the actual packed + * header data. + * + */ +typedef struct _VAEncSliceParameterBufferHEVC { + /** \brief Starting MB address for this slice. */ + uint32_t slice_segment_address; + /** \brief Number of CTUs in this slice. */ + uint32_t num_ctu_in_slice; + + /** \brief Slice type. + * Corresponds to HEVC syntax element of the same name. + */ + uint8_t slice_type; + /** \brief Same as the HEVC bitstream syntax element. */ + uint8_t slice_pic_parameter_set_id; + + /** \brief Maximum reference index for reference picture list 0. + * Range: 0 to 14, inclusive. + */ + uint8_t num_ref_idx_l0_active_minus1; + /** \brief Maximum reference index for reference picture list 1. + * Range: 0 to 14, inclusive. + */ + uint8_t num_ref_idx_l1_active_minus1; + /** \brief Reference picture list 0 (for P slices). */ + VAPictureHEVC ref_pic_list0[15]; + /** \brief Reference picture list 1 (for B slices). */ + VAPictureHEVC ref_pic_list1[15]; + /**@}*/ + + /** @name pred_weight_table() */ + /**@{*/ + /** \brief Same as the HEVC bitstream syntax element. */ + uint8_t luma_log2_weight_denom; + /** \brief Same as the HEVC bitstream syntax element. */ + uint8_t delta_chroma_log2_weight_denom; + /** \brief Same as the HEVC bitstream syntax element. */ + int8_t delta_luma_weight_l0[15]; + /** \brief Same as the HEVC bitstream syntax element. */ + int8_t luma_offset_l0[15]; + /** \brief Same as the HEVC bitstream syntax element. */ + int8_t delta_chroma_weight_l0[15][2]; + /** \brief Same as the HEVC spec variable ChromaOffsetL0[]. */ + int8_t chroma_offset_l0[15][2]; + /** \brief Same as the HEVC bitstream syntax element. */ + int8_t delta_luma_weight_l1[15]; + /** \brief Same as the HEVC bitstream syntax element. */ + int8_t luma_offset_l1[15]; + /** \brief Same as the HEVC bitstream syntax element. */ + int8_t delta_chroma_weight_l1[15][2]; + /** \brief Same as the HEVC spec variable ChromaOffsetL1[]. */ + int8_t chroma_offset_l1[15][2]; + /**@}*/ + + /** \brief Corresponds to HEVC spec variable MaxNumMergeCand. + * Range: [1..5]. + */ + uint8_t max_num_merge_cand; + + /** \brief Same as the HEVC bitstream syntax element. */ + int8_t slice_qp_delta; + + /** \brief Same as the HEVC bitstream syntax element. */ + int8_t slice_cb_qp_offset; + + /** \brief Same as the HEVC bitstream syntax element. */ + int8_t slice_cr_qp_offset; + + /** \brief Same as the HEVC bitstream syntax element. */ + int8_t slice_beta_offset_div2; + + /** \brief Same as the HEVC bitstream syntax element. */ + int8_t slice_tc_offset_div2; + + union { + struct { + /** \brief Indicates if current slice is the last one in picture */ + uint32_t last_slice_of_pic_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name */ + uint32_t dependent_slice_segment_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name */ + uint32_t colour_plane_id : 2; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t slice_temporal_mvp_enabled_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t slice_sao_luma_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t slice_sao_chroma_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. + * if this flag is set to 0, num_ref_idx_l0_active_minus1 should be + * equal to num_ref_idx_l0_default_active_minus1 + * as well as for that for l1. + */ + uint32_t num_ref_idx_active_override_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t mvd_l1_zero_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t cabac_init_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t slice_deblocking_filter_disabled_flag : 2; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t slice_loop_filter_across_slices_enabled_flag : 1; + /** \brief Corresponds to HEVC syntax element of the same name. */ + uint32_t collocated_from_l0_flag : 1; + } bits; + uint32_t value; + } slice_fields; + /**@}*/ +} VAEncSliceParameterBufferHEVC; + +/** + * \brief HEVC Quantization Matrix Buffer Structure + * + * This structure is sent once per frame, + * and only when scaling_list_enabled_flag = 1 and scaling_list_data_present_flag = 1. + * Only when scaling_list_data_present_flag = 1, app still + * needs to send in this structure. When scaling_list_enabled_flag = 1 and + * scaling_list_data_present_flag = 0, driver is responsible to generate + * the default scaling list values. + * + * Matrix entries are in raster scan order which follows HEVC spec. + */ +typedef struct _VAQMatrixBufferHEVC +{ + /** + * \brief scaling lists, + * corresponds to same HEVC spec syntax element + * ScalingList[ i ][ MatrixID ][ j ]. + * + * \brief 4x4 scaling, + */ + uint8_t scaling_lists_4x4[3][2][16]; + /** + * \brief 8x8 scaling, + */ + uint8_t scaling_lists_8x8[3][2][64]; + /** + * \brief 16x16 scaling, + * correspongs i = 2, MatrixID is in the range of 0 to 5, + * inclusive. And j is in the range of 0 to 63, inclusive. + */ + uint8_t scaling_lists_16x16[3][2][64]; + /** + * \brief 32x32 scaling, + * correspongs i = 3, MatrixID is in the range of 0 to 1, + * inclusive. And j is in the range of 0 to 63, inclusive. + */ + uint8_t scaling_lists_32x32[2][64]; + /** + * \brief DC values of the 16x16 scaling lists, + * corresponds to HEVC spec syntax + * scaling_list_dc_coef_minus8[ sizeID - 2 ][ matrixID ] + 8 + * with sizeID = 2 and matrixID in the range of 0 to 5, inclusive. + */ + uint8_t scaling_list_dc_16x16[3][2]; + /** + * \brief DC values of the 32x32 scaling lists, + * corresponds to HEVC spec syntax + * scaling_list_dc_coef_minus8[ sizeID - 2 ][ matrixID ] + 8 + * with sizeID = 3 and matrixID in the range of 0 to 1, inclusive. + */ + uint8_t scaling_list_dc_32x32[2]; +} VAQMatrixBufferHEVC; + +/**@}*/ + +#ifdef __cplusplus +} +#endif + +#endif /* VA_ENC_HEVC_H */ |