* H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file libavcodec/h264.h
+ * @file
* H.264 / AVC / MPEG4 part10 codec.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
#include "dsputil.h"
#include "cabac.h"
#include "mpegvideo.h"
+#include "h264dsp.h"
#include "h264pred.h"
#include "rectangle.h"
#define interlaced_dct interlaced_dct_is_a_bad_name
-#define mb_intra mb_intra_is_not_initialized_see_mb_type
+#define mb_intra mb_intra_is_not_initialized_see_mb_type
-#define LUMA_DC_BLOCK_INDEX 25
-#define CHROMA_DC_BLOCK_INDEX 26
+#define MAX_SPS_COUNT 32
+#define MAX_PPS_COUNT 256
-#define CHROMA_DC_COEFF_TOKEN_VLC_BITS 8
-#define COEFF_TOKEN_VLC_BITS 8
-#define TOTAL_ZEROS_VLC_BITS 9
-#define CHROMA_DC_TOTAL_ZEROS_VLC_BITS 3
-#define RUN_VLC_BITS 3
-#define RUN7_VLC_BITS 6
+#define MAX_MMCO_COUNT 66
-#define MAX_SPS_COUNT 32
-#define MAX_PPS_COUNT 256
-
-#define MAX_MMCO_COUNT 66
-
-#define MAX_DELAYED_PIC_COUNT 16
+#define MAX_DELAYED_PIC_COUNT 16
/* Compiling in interlaced support reduces the speed
* of progressive decoding by about 2%. */
#define ALLOW_INTERLACE
-#define ALLOW_NOCHROMA
-
#define FMO 0
/**
#define MAX_SLICES 16
#ifdef ALLOW_INTERLACE
-#define MB_MBAFF h->mb_mbaff
-#define MB_FIELD h->mb_field_decoding_flag
+#define MB_MBAFF h->mb_mbaff
+#define MB_FIELD h->mb_field_decoding_flag
#define FRAME_MBAFF h->mb_aff_frame
#define FIELD_PICTURE (s->picture_structure != PICT_FRAME)
+#define LEFT_MBS 2
+#define LTOP 0
+#define LBOT 1
+#define LEFT(i) (i)
#else
-#define MB_MBAFF 0
-#define MB_FIELD 0
-#define FRAME_MBAFF 0
+#define MB_MBAFF 0
+#define MB_FIELD 0
+#define FRAME_MBAFF 0
#define FIELD_PICTURE 0
#undef IS_INTERLACED
#define IS_INTERLACED(mb_type) 0
+#define LEFT_MBS 1
+#define LTOP 0
+#define LBOT 0
+#define LEFT(i) 0
#endif
#define FIELD_OR_MBAFF_PICTURE (FRAME_MBAFF || FIELD_PICTURE)
-#ifdef ALLOW_NOCHROMA
-#define CHROMA h->sps.chroma_format_idc
-#else
-#define CHROMA 1
-#endif
-
#ifndef CABAC
#define CABAC h->pps.cabac
#endif
-#define EXTENDED_SAR 255
+#define CHROMA422 (h->sps.chroma_format_idc == 2)
+#define CHROMA444 (h->sps.chroma_format_idc == 3)
-#define MB_TYPE_REF0 MB_TYPE_ACPRED //dirty but it fits in 16 bit
+#define EXTENDED_SAR 255
+
+#define MB_TYPE_REF0 MB_TYPE_ACPRED // dirty but it fits in 16 bit
#define MB_TYPE_8x8DCT 0x01000000
#define IS_REF0(a) ((a) & MB_TYPE_REF0)
#define IS_8x8DCT(a) ((a) & MB_TYPE_8x8DCT)
*/
#define DELAYED_PIC_REF 4
+#define QP_MAX_NUM (51 + 2 * 6) // The maximum supported qp
/* NAL unit types */
enum {
- NAL_SLICE=1,
+ NAL_SLICE = 1,
NAL_DPA,
NAL_DPB,
NAL_DPC,
NAL_END_STREAM,
NAL_FILLER_DATA,
NAL_SPS_EXT,
- NAL_AUXILIARY_SLICE=19
+ NAL_AUXILIARY_SLICE = 19
};
/**
* SEI message types
*/
typedef enum {
- SEI_BUFFERING_PERIOD = 0, ///< buffering period (H.264, D.1.1)
- SEI_TYPE_PIC_TIMING = 1, ///< picture timing
- SEI_TYPE_USER_DATA_UNREGISTERED = 5, ///< unregistered user data
- SEI_TYPE_RECOVERY_POINT = 6 ///< recovery point (frame # to decoder sync)
+ SEI_BUFFERING_PERIOD = 0, ///< buffering period (H.264, D.1.1)
+ SEI_TYPE_PIC_TIMING = 1, ///< picture timing
+ SEI_TYPE_USER_DATA_UNREGISTERED = 5, ///< unregistered user data
+ SEI_TYPE_RECOVERY_POINT = 6 ///< recovery point (frame # to decoder sync)
} SEI_Type;
/**
/**
* Sequence parameter set
*/
-typedef struct SPS{
-
+typedef struct SPS {
int profile_idc;
int level_idc;
int chroma_format_idc;
int mb_width; ///< pic_width_in_mbs_minus1 + 1
int mb_height; ///< pic_height_in_map_units_minus1 + 1
int frame_mbs_only_flag;
- int mb_aff; ///<mb_adaptive_frame_field_flag
+ int mb_aff; ///< mb_adaptive_frame_field_flag
int direct_8x8_inference_flag;
- int crop; ///< frame_cropping_flag
+ int crop; ///< frame_cropping_flag
unsigned int crop_left; ///< frame_cropping_rect_left_offset
unsigned int crop_right; ///< frame_cropping_rect_right_offset
unsigned int crop_top; ///< frame_cropping_rect_top_offset
uint32_t num_units_in_tick;
uint32_t time_scale;
int fixed_frame_rate_flag;
- short offset_for_ref_frame[256]; //FIXME dyn aloc?
+ short offset_for_ref_frame[256]; // FIXME dyn aloc?
int bitstream_restriction_flag;
int num_reorder_frames;
int scaling_matrix_present;
uint8_t scaling_matrix4[6][16];
- uint8_t scaling_matrix8[2][64];
+ uint8_t scaling_matrix8[6][64];
int nal_hrd_parameters_present_flag;
int vcl_hrd_parameters_present_flag;
int pic_struct_present_flag;
int time_offset_length;
- int cpb_cnt; ///< See H.264 E.1.2
- int initial_cpb_removal_delay_length; ///< initial_cpb_removal_delay_length_minus1 +1
- int cpb_removal_delay_length; ///< cpb_removal_delay_length_minus1 + 1
- int dpb_output_delay_length; ///< dpb_output_delay_length_minus1 + 1
- int bit_depth_luma; ///< bit_depth_luma_minus8 + 8
- int bit_depth_chroma; ///< bit_depth_chroma_minus8 + 8
- int residual_color_transform_flag; ///< residual_colour_transform_flag
-}SPS;
+ int cpb_cnt; ///< See H.264 E.1.2
+ int initial_cpb_removal_delay_length; ///< initial_cpb_removal_delay_length_minus1 + 1
+ int cpb_removal_delay_length; ///< cpb_removal_delay_length_minus1 + 1
+ int dpb_output_delay_length; ///< dpb_output_delay_length_minus1 + 1
+ int bit_depth_luma; ///< bit_depth_luma_minus8 + 8
+ int bit_depth_chroma; ///< bit_depth_chroma_minus8 + 8
+ int residual_color_transform_flag; ///< residual_colour_transform_flag
+ int constraint_set_flags; ///< constraint_set[0-3]_flag
+} SPS;
/**
* Picture parameter set
*/
-typedef struct PPS{
+typedef struct PPS {
unsigned int sps_id;
int cabac; ///< entropy_coding_mode_flag
int pic_order_present; ///< pic_order_present_flag
int init_qs; ///< pic_init_qs_minus26 + 26
int chroma_qp_index_offset[2];
int deblocking_filter_parameters_present; ///< deblocking_filter_parameters_present_flag
- int constrained_intra_pred; ///< constrained_intra_pred_flag
- int redundant_pic_cnt_present; ///< redundant_pic_cnt_present_flag
- int transform_8x8_mode; ///< transform_8x8_mode_flag
+ int constrained_intra_pred; ///< constrained_intra_pred_flag
+ int redundant_pic_cnt_present; ///< redundant_pic_cnt_present_flag
+ int transform_8x8_mode; ///< transform_8x8_mode_flag
uint8_t scaling_matrix4[6][16];
- uint8_t scaling_matrix8[2][64];
- uint8_t chroma_qp_table[2][64]; ///< pre-scaled (with chroma_qp_index_offset) version of qp_table
+ uint8_t scaling_matrix8[6][64];
+ uint8_t chroma_qp_table[2][64]; ///< pre-scaled (with chroma_qp_index_offset) version of qp_table
int chroma_qp_diff;
-}PPS;
+} PPS;
/**
* Memory management control operation opcode.
*/
-typedef enum MMCOOpcode{
- MMCO_END=0,
+typedef enum MMCOOpcode {
+ MMCO_END = 0,
MMCO_SHORT2UNUSED,
MMCO_LONG2UNUSED,
MMCO_SHORT2LONG,
/**
* Memory management control operation.
*/
-typedef struct MMCO{
+typedef struct MMCO {
MMCOOpcode opcode;
int short_pic_num; ///< pic_num without wrapping (pic_num & max_pic_num)
int long_arg; ///< index, pic_num, or num long refs depending on opcode
/**
* H264Context
*/
-typedef struct H264Context{
+typedef struct H264Context {
MpegEncContext s;
- int chroma_qp[2]; //QPc
+ H264DSPContext h264dsp;
+ int pixel_shift; ///< 0 for 8-bit H264, 1 for high-bit-depth H264
+ int chroma_qp[2]; // QPc
int qp_thresh; ///< QP threshold to skip loopfilter
int prev_mb_skipped;
int next_mb_skipped;
- //prediction stuff
+ // prediction stuff
int chroma_pred_mode;
int intra16x16_pred_mode;
int topleft_mb_xy;
int top_mb_xy;
int topright_mb_xy;
- int left_mb_xy[2];
+ int left_mb_xy[LEFT_MBS];
int topleft_type;
int top_type;
int topright_type;
- int left_type[2];
+ int left_type[LEFT_MBS];
- const uint8_t * left_block;
+ const uint8_t *left_block;
int topleft_partition;
- int8_t intra4x4_pred_mode_cache[5*8];
- int8_t (*intra4x4_pred_mode);
+ int8_t intra4x4_pred_mode_cache[5 * 8];
+ int8_t(*intra4x4_pred_mode);
H264PredContext hpc;
unsigned int topleft_samples_available;
unsigned int top_samples_available;
unsigned int topright_samples_available;
unsigned int left_samples_available;
- uint8_t (*top_borders[2])[16+2*8];
+ uint8_t (*top_borders[2])[(16 * 3) * 2];
/**
* non zero coeff count cache.
* is 64 if not available.
*/
- DECLARE_ALIGNED_8(uint8_t, non_zero_count_cache)[6*8];
+ DECLARE_ALIGNED(8, uint8_t, non_zero_count_cache)[15 * 8];
- /*
- .UU.YYYY
- .UU.YYYY
- .vv.YYYY
- .VV.YYYY
- */
- uint8_t (*non_zero_count)[32];
+ uint8_t (*non_zero_count)[48];
/**
* Motion vector cache.
*/
- DECLARE_ALIGNED_16(int16_t, mv_cache)[2][5*8][2];
- DECLARE_ALIGNED_8(int8_t, ref_cache)[2][5*8];
-#define LIST_NOT_USED -1 //FIXME rename?
+ DECLARE_ALIGNED(16, int16_t, mv_cache)[2][5 * 8][2];
+ DECLARE_ALIGNED(8, int8_t, ref_cache)[2][5 * 8];
+#define LIST_NOT_USED -1 // FIXME rename?
#define PART_NOT_AVAILABLE -2
- /**
- * is 1 if the specific list MV&references are set to 0,0,-2.
- */
- int mv_cache_clean[2];
-
/**
* number of neighbors (top and/or left) that used 8x8 dct
*/
* block_offset[ 0..23] for frame macroblocks
* block_offset[24..47] for field macroblocks
*/
- int block_offset[2*(16+8)];
+ int block_offset[2 * (16 * 3)];
- uint32_t *mb2b_xy; //FIXME are these 4 a good idea?
+ uint32_t *mb2b_xy; // FIXME are these 4 a good idea?
uint32_t *mb2br_xy;
- int b_stride; //FIXME use s->b4_stride
+ int b_stride; // FIXME use s->b4_stride
- int mb_linesize; ///< may be equal to s->linesize or s->linesize*2, for mbaff
+ int mb_linesize; ///< may be equal to s->linesize or s->linesize * 2, for mbaff
int mb_uvlinesize;
int emu_edge_width;
/**
* current pps
*/
- PPS pps; //FIXME move to Picture perhaps? (->no) do we need that?
+ PPS pps; // FIXME move to Picture perhaps? (->no) do we need that?
- uint32_t dequant4_buffer[6][52][16]; //FIXME should these be moved down?
- uint32_t dequant8_buffer[2][52][64];
- uint32_t (*dequant4_coeff[6])[16];
- uint32_t (*dequant8_coeff[2])[64];
+ uint32_t dequant4_buffer[6][QP_MAX_NUM + 1][16]; // FIXME should these be moved down?
+ uint32_t dequant8_buffer[6][QP_MAX_NUM + 1][64];
+ uint32_t(*dequant4_coeff[6])[16];
+ uint32_t(*dequant8_coeff[6])[64];
int slice_num;
- uint16_t *slice_table; ///< slice_table_base + 2*mb_stride + 1
+ uint16_t *slice_table; ///< slice_table_base + 2*mb_stride + 1
int slice_type;
- int slice_type_nos; ///< S free slice type (SI/SP are remapped to I/P)
+ int slice_type_nos; ///< S free slice type (SI/SP are remapped to I/P)
int slice_type_fixed;
- //interlacing specific flags
+ // interlacing specific flags
int mb_aff_frame;
int mb_field_decoding_flag;
- int mb_mbaff; ///< mb_aff_frame && mb_field_decoding_flag
+ int mb_mbaff; ///< mb_aff_frame && mb_field_decoding_flag
- DECLARE_ALIGNED_8(uint16_t, sub_mb_type)[4];
+ DECLARE_ALIGNED(8, uint16_t, sub_mb_type)[4];
- //Weighted pred stuff
+ // Weighted pred stuff
int use_weight;
int use_weight_chroma;
int luma_log2_weight_denom;
int chroma_log2_weight_denom;
- //The following 2 can be changed to int8_t but that causes 10cpu cycles speedloss
- int luma_weight[2][48][2];
- int chroma_weight[2][48][2][2];
- int implicit_weight[48][48];
+ // The following 2 can be changed to int8_t but that causes 10cpu cycles speedloss
+ int luma_weight[48][2][2];
+ int chroma_weight[48][2][2][2];
+ int implicit_weight[48][48][2];
int direct_spatial_mv_pred;
int col_parity;
int col_fieldoff;
int dist_scale_factor[16];
int dist_scale_factor_field[2][32];
- int map_col_to_list0[2][16+32];
- int map_col_to_list0_field[2][2][16+32];
+ int map_col_to_list0[2][16 + 32];
+ int map_col_to_list0_field[2][2][16 + 32];
/**
* num_ref_idx_l0/1_active_minus1 + 1
*/
- unsigned int ref_count[2]; ///< counts frames or fields, depending on current mb mode
+ unsigned int ref_count[2]; ///< counts frames or fields, depending on current mb mode
unsigned int list_count;
- uint8_t *list_counts; ///< Array of list_count per MB specifying the slice type
- Picture ref_list[2][48]; /**< 0..15: frame refs, 16..47: mbaff field refs.
- Reordered version of default_ref_list
- according to picture reordering in slice header */
- int ref2frm[MAX_SLICES][2][64]; ///< reference to frame number lists, used in the loop filter, the first 2 are for -2,-1
+ uint8_t *list_counts; ///< Array of list_count per MB specifying the slice type
+ Picture ref_list[2][48]; /**< 0..15: frame refs, 16..47: mbaff field refs.
+ * Reordered version of default_ref_list
+ * according to picture reordering in slice header */
+ int ref2frm[MAX_SLICES][2][64]; ///< reference to frame number lists, used in the loop filter, the first 2 are for -2,-1
- //data partitioning
+ // data partitioning
GetBitContext intra_gb;
GetBitContext inter_gb;
GetBitContext *intra_gb_ptr;
GetBitContext *inter_gb_ptr;
- DECLARE_ALIGNED_16(DCTELEM, mb)[16*24];
- DCTELEM mb_padding[256]; ///< as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not too large or ensure that there is some unused stuff after mb
+ DECLARE_ALIGNED(16, DCTELEM, mb)[16 * 48 * 2]; ///< as a dct coeffecient is int32_t in high depth, we need to reserve twice the space.
+ DECLARE_ALIGNED(16, DCTELEM, mb_luma_dc)[3][16 * 2];
+ DCTELEM mb_padding[256 * 2]; ///< as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not too large or ensure that there is some unused stuff after mb
/**
* Cabac
*/
CABACContext cabac;
- uint8_t cabac_state[460];
+ uint8_t cabac_state[1024];
- /* 0x100 -> non null luma_dc, 0x80/0x40 -> non null chroma_dc (cb/cr), 0x?0 -> chroma_cbp(0,1,2), 0x0? luma_cbp */
- uint16_t *cbp_table;
+ /* 0x100 -> non null luma_dc, 0x80/0x40 -> non null chroma_dc (cb/cr), 0x?0 -> chroma_cbp(0, 1, 2), 0x0? luma_cbp */
+ uint16_t *cbp_table;
int cbp;
int top_cbp;
int left_cbp;
/* chroma_pred_mode for i4x4 or i16x16, else 0 */
- uint8_t *chroma_pred_mode_table;
- int last_qscale_diff;
- uint8_t (*mvd_table[2])[2];
- DECLARE_ALIGNED_16(uint8_t, mvd_cache)[2][5*8][2];
- uint8_t *direct_table;
- uint8_t direct_cache[5*8];
+ uint8_t *chroma_pred_mode_table;
+ int last_qscale_diff;
+ uint8_t (*mvd_table[2])[2];
+ DECLARE_ALIGNED(16, uint8_t, mvd_cache)[2][5 * 8][2];
+ uint8_t *direct_table;
+ uint8_t direct_cache[5 * 8];
uint8_t zigzag_scan[16];
uint8_t zigzag_scan8x8[64];
int is_complex;
- //deblock
- int deblocking_filter; ///< disable_deblocking_filter_idc with 1<->0
+ // deblock
+ int deblocking_filter; ///< disable_deblocking_filter_idc with 1 <-> 0
int slice_alpha_c0_offset;
int slice_beta_offset;
-//=============================================================
- //Things below are not used in the MB or more inner code
+ // =============================================================
+ // Things below are not used in the MB or more inner code
int nal_ref_idc;
int nal_unit_type;
/**
* Used to parse AVC variant of h264
*/
- int is_avc; ///< this flag is != 0 if codec is avc1
- int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
+ int is_avc; ///< this flag is != 0 if codec is avc1
+ int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
+ int got_first; ///< this flag is != 0 if we've parsed a frame
SPS *sps_buffers[MAX_SPS_COUNT];
PPS *pps_buffers[MAX_PPS_COUNT];
- int dequant_coeff_pps; ///< reinit tables when pps changes
+ int dequant_coeff_pps; ///< reinit tables when pps changes
uint16_t *slice_table_base;
-
- //POC stuff
+ // POC stuff
int poc_lsb;
int poc_msb;
int delta_poc_bottom;
int delta_poc[2];
int frame_num;
- int prev_poc_msb; ///< poc_msb of the last reference pic for POC type 0
- int prev_poc_lsb; ///< poc_lsb of the last reference pic for POC type 0
- int frame_num_offset; ///< for POC type 2
- int prev_frame_num_offset; ///< for POC type 2
- int prev_frame_num; ///< frame_num of the last pic for POC type 1/2
+ int prev_poc_msb; ///< poc_msb of the last reference pic for POC type 0
+ int prev_poc_lsb; ///< poc_lsb of the last reference pic for POC type 0
+ int frame_num_offset; ///< for POC type 2
+ int prev_frame_num_offset; ///< for POC type 2
+ int prev_frame_num; ///< frame_num of the last pic for POC type 1/2
/**
- * frame_num for frames or 2*frame_num+1 for field pics.
+ * frame_num for frames or 2 * frame_num + 1 for field pics.
*/
int curr_pic_num;
/**
- * max_frame_num or 2*max_frame_num for field pics.
+ * max_frame_num or 2 * max_frame_num for field pics.
*/
int max_pic_num;
Picture *short_ref[32];
Picture *long_ref[32];
Picture default_ref_list[2][32]; ///< base reference list for all slices of a coded picture
- Picture *delayed_pic[MAX_DELAYED_PIC_COUNT+2]; //FIXME size?
+ Picture *delayed_pic[MAX_DELAYED_PIC_COUNT + 2]; // FIXME size?
+ int last_pocs[MAX_DELAYED_PIC_COUNT];
+ Picture *next_output_pic;
int outputed_poc;
+ int next_outputed_poc;
/**
* memory management control operations buffer.
*/
MMCO mmco[MAX_MMCO_COUNT];
int mmco_index;
+ int mmco_reset;
- int long_ref_count; ///< number of actual long term references
- int short_ref_count; ///< number of actual short term references
+ int long_ref_count; ///< number of actual long term references
+ int short_ref_count; ///< number of actual short term references
- int cabac_init_idc;
+ int cabac_init_idc;
/**
- * @defgroup multithreading Members for slice based multithreading
+ * @name Members for slice based multithreading
* @{
*/
struct H264Context *thread_context[MAX_THREADS];
*/
int sei_recovery_frame_cnt;
- int luma_weight_flag[2]; ///< 7.4.3.2 luma_weight_lX_flag
- int chroma_weight_flag[2]; ///< 7.4.3.2 chroma_weight_lX_flag
+ int luma_weight_flag[2]; ///< 7.4.3.2 luma_weight_lX_flag
+ int chroma_weight_flag[2]; ///< 7.4.3.2 chroma_weight_lX_flag
// Timestamp stuff
- int sei_buffering_period_present; ///< Buffering period SEI flag
- int initial_cpb_removal_delay[32]; ///< Initial timestamps for CPBs
-
- //SVQ3 specific fields
- int halfpel_flag;
- int thirdpel_flag;
- int unknown_svq3_flag;
- int next_slice_index;
- uint32_t svq3_watermark_key;
-}H264Context;
-
-
-extern const uint8_t ff_h264_chroma_qp[52];
+ int sei_buffering_period_present; ///< Buffering period SEI flag
+ int initial_cpb_removal_delay[32]; ///< Initial timestamps for CPBs
-void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp);
+ int cur_chroma_format_idc;
+} H264Context;
-void ff_svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc);
+extern const uint8_t ff_h264_chroma_qp[3][QP_MAX_NUM + 1]; ///< One chroma qp table for each supported bit depth (8, 9, 10).
+extern const uint16_t ff_h264_mb_sizes[4];
/**
* Decode SEI
*/
int ff_h264_decode_seq_parameter_set(H264Context *h);
+/**
+ * compute profile from sps
+ */
+int ff_h264_get_profile(SPS *sps);
+
/**
* Decode PPS
*/
int ff_h264_decode_picture_parameter_set(H264Context *h, int bit_length);
/**
- * Decodes a network abstraction layer unit.
+ * Decode a network abstraction layer unit.
* @param consumed is the number of bytes used as input
* @param length is the length of the array
- * @param dst_length is the number of decoded bytes FIXME here or a decode rbsp tailing?
- * @returns decoded bytes, might be src+1 if no escapes
- */
-const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src, int *dst_length, int *consumed, int length);
-
-/**
- * identifies the exact end of the bitstream
- * @return the length of the trailing, or 0 if damaged
+ * @param dst_length is the number of decoded bytes FIXME here
+ * or a decode rbsp tailing?
+ * @return decoded bytes, might be src+1 if no escapes
*/
-int ff_h264_decode_rbsp_trailing(H264Context *h, const uint8_t *src);
+const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src,
+ int *dst_length, int *consumed, int length);
/**
- * frees any data that may have been allocated in the H264 context like SPS, PPS etc.
+ * Free any data that may have been allocated in the H264 context
+ * like SPS, PPS etc.
*/
av_cold void ff_h264_free_context(H264Context *h);
/**
- * reconstructs bitstream slice_type.
+ * Reconstruct bitstream slice_type.
*/
int ff_h264_get_slice_type(const H264Context *h);
/**
- * allocates tables.
+ * Allocate tables.
* needs width/height
*/
int ff_h264_alloc_tables(H264Context *h);
/**
- * fills the default_ref_list.
+ * Fill the default_ref_list.
*/
int ff_h264_fill_default_ref_list(H264Context *h);
void ff_h264_remove_all_refs(H264Context *h);
/**
- * Executes the reference picture marking (memory management control operations).
+ * Execute the reference picture marking (memory management control operations).
*/
int ff_h264_execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count);
int ff_h264_decode_ref_pic_marking(H264Context *h, GetBitContext *gb);
+void ff_generate_sliding_window_mmcos(H264Context *h);
/**
- * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
+ * Check if the top & left blocks are available if needed & change the
+ * dc mode so it only uses the available blocks.
*/
int ff_h264_check_intra4x4_pred_mode(H264Context *h);
/**
- * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
+ * Check if the top & left blocks are available if needed & change the
+ * dc mode so it only uses the available blocks.
*/
-int ff_h264_check_intra_pred_mode(H264Context *h, int mode);
+int ff_h264_check_intra_pred_mode(H264Context *h, int mode, int is_chroma);
-void ff_h264_write_back_intra_pred_mode(H264Context *h);
void ff_h264_hl_decode_mb(H264Context *h);
int ff_h264_frame_start(H264Context *h);
+int ff_h264_decode_extradata(H264Context *h);
av_cold int ff_h264_decode_init(AVCodecContext *avctx);
-av_cold int ff_h264_decode_end(AVCodecContext *avctx);
av_cold void ff_h264_decode_init_vlc(void);
/**
- * decodes a macroblock
- * @returns 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
+ * Decode a macroblock
+ * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR on error
*/
int ff_h264_decode_mb_cavlc(H264Context *h);
/**
- * decodes a CABAC coded macroblock
- * @returns 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
+ * Decode a CABAC coded macroblock
+ * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR on error
*/
int ff_h264_decode_mb_cabac(H264Context *h);
void ff_h264_init_cabac_states(H264Context *h);
-void ff_h264_direct_dist_scale_factor(H264Context * const h);
-void ff_h264_direct_ref_list_init(H264Context * const h);
-void ff_h264_pred_direct_motion(H264Context * const h, int *mb_type);
+void ff_h264_direct_dist_scale_factor(H264Context *const h);
+void ff_h264_direct_ref_list_init(H264Context *const h);
+void ff_h264_pred_direct_motion(H264Context *const h, int *mb_type);
-void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize);
-void ff_h264_filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize);
+void ff_h264_filter_mb_fast(H264Context *h, int mb_x, int mb_y,
+ uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr,
+ unsigned int linesize, unsigned int uvlinesize);
+void ff_h264_filter_mb(H264Context *h, int mb_x, int mb_y,
+ uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr,
+ unsigned int linesize, unsigned int uvlinesize);
/**
* Reset SEI values at the beginning of the frame.
*/
void ff_h264_reset_sei(H264Context *h);
-
/*
-o-o o-o
- / / /
-o-o o-o
- ,---'
-o-o o-o
- / / /
-o-o o-o
-*/
-//This table must be here because scan8[constant] must be known at compiletime
-static const uint8_t scan8[16 + 2*4]={
- 4+1*8, 5+1*8, 4+2*8, 5+2*8,
- 6+1*8, 7+1*8, 6+2*8, 7+2*8,
- 4+3*8, 5+3*8, 4+4*8, 5+4*8,
- 6+3*8, 7+3*8, 6+4*8, 7+4*8,
- 1+1*8, 2+1*8,
- 1+2*8, 2+2*8,
- 1+4*8, 2+4*8,
- 1+5*8, 2+5*8,
+ * o-o o-o
+ * / / /
+ * o-o o-o
+ * ,---'
+ * o-o o-o
+ * / / /
+ * o-o o-o
+ */
+
+/* Scan8 organization:
+ * 0 1 2 3 4 5 6 7
+ * 0 DY y y y y y
+ * 1 y Y Y Y Y
+ * 2 y Y Y Y Y
+ * 3 y Y Y Y Y
+ * 4 y Y Y Y Y
+ * 5 DU u u u u u
+ * 6 u U U U U
+ * 7 u U U U U
+ * 8 u U U U U
+ * 9 u U U U U
+ * 10 DV v v v v v
+ * 11 v V V V V
+ * 12 v V V V V
+ * 13 v V V V V
+ * 14 v V V V V
+ * DY/DU/DV are for luma/chroma DC.
+ */
+
+#define LUMA_DC_BLOCK_INDEX 48
+#define CHROMA_DC_BLOCK_INDEX 49
+
+// This table must be here because scan8[constant] must be known at compiletime
+static const uint8_t scan8[16 * 3 + 3] = {
+ 4 + 1 * 8, 5 + 1 * 8, 4 + 2 * 8, 5 + 2 * 8,
+ 6 + 1 * 8, 7 + 1 * 8, 6 + 2 * 8, 7 + 2 * 8,
+ 4 + 3 * 8, 5 + 3 * 8, 4 + 4 * 8, 5 + 4 * 8,
+ 6 + 3 * 8, 7 + 3 * 8, 6 + 4 * 8, 7 + 4 * 8,
+ 4 + 6 * 8, 5 + 6 * 8, 4 + 7 * 8, 5 + 7 * 8,
+ 6 + 6 * 8, 7 + 6 * 8, 6 + 7 * 8, 7 + 7 * 8,
+ 4 + 8 * 8, 5 + 8 * 8, 4 + 9 * 8, 5 + 9 * 8,
+ 6 + 8 * 8, 7 + 8 * 8, 6 + 9 * 8, 7 + 9 * 8,
+ 4 + 11 * 8, 5 + 11 * 8, 4 + 12 * 8, 5 + 12 * 8,
+ 6 + 11 * 8, 7 + 11 * 8, 6 + 12 * 8, 7 + 12 * 8,
+ 4 + 13 * 8, 5 + 13 * 8, 4 + 14 * 8, 5 + 14 * 8,
+ 6 + 13 * 8, 7 + 13 * 8, 6 + 14 * 8, 7 + 14 * 8,
+ 0 + 0 * 8, 0 + 5 * 8, 0 + 10 * 8
};
-static av_always_inline uint32_t pack16to32(int a, int b){
+static av_always_inline uint32_t pack16to32(int a, int b)
+{
#if HAVE_BIGENDIAN
- return (b&0xFFFF) + (a<<16);
+ return (b & 0xFFFF) + (a << 16);
#else
- return (a&0xFFFF) + (b<<16);
+ return (a & 0xFFFF) + (b << 16);
#endif
}
-static av_always_inline uint16_t pack8to16(int a, int b){
+static av_always_inline uint16_t pack8to16(int a, int b)
+{
#if HAVE_BIGENDIAN
- return (b&0xFF) + (a<<8);
+ return (b & 0xFF) + (a << 8);
#else
- return (a&0xFF) + (b<<8);
+ return (a & 0xFF) + (b << 8);
#endif
}
/**
- * gets the chroma qp.
+ * Get the chroma qp.
*/
-static inline int get_chroma_qp(H264Context *h, int t, int qscale){
+static av_always_inline int get_chroma_qp(H264Context *h, int t, int qscale)
+{
return h->pps.chroma_qp_table[t][qscale];
}
-static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my);
-
-static void fill_decode_neighbors(H264Context *h, int mb_type){
- MpegEncContext * const s = &h->s;
- const int mb_xy= h->mb_xy;
- int topleft_xy, top_xy, topright_xy, left_xy[2];
- static const uint8_t left_block_options[4][16]={
- {0,1,2,3,7,10,8,11,7+0*8, 7+1*8, 7+2*8, 7+3*8, 2+0*8, 2+3*8, 2+1*8, 2+2*8},
- {2,2,3,3,8,11,8,11,7+2*8, 7+2*8, 7+3*8, 7+3*8, 2+1*8, 2+2*8, 2+1*8, 2+2*8},
- {0,0,1,1,7,10,7,10,7+0*8, 7+0*8, 7+1*8, 7+1*8, 2+0*8, 2+3*8, 2+0*8, 2+3*8},
- {0,2,0,2,7,10,7,10,7+0*8, 7+2*8, 7+0*8, 7+2*8, 2+0*8, 2+3*8, 2+0*8, 2+3*8}
- };
-
- h->topleft_partition= -1;
-
- top_xy = mb_xy - (s->mb_stride << MB_FIELD);
-
- /* Wow, what a mess, why didn't they simplify the interlacing & intra
- * stuff, I can't imagine that these complex rules are worth it. */
-
- topleft_xy = top_xy - 1;
- topright_xy= top_xy + 1;
- left_xy[1] = left_xy[0] = mb_xy-1;
- h->left_block = left_block_options[0];
- if(FRAME_MBAFF){
- const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]);
- const int curr_mb_field_flag = IS_INTERLACED(mb_type);
- if(s->mb_y&1){
- if (left_mb_field_flag != curr_mb_field_flag) {
- left_xy[1] = left_xy[0] = mb_xy - s->mb_stride - 1;
- if (curr_mb_field_flag) {
- left_xy[1] += s->mb_stride;
- h->left_block = left_block_options[3];
- } else {
- topleft_xy += s->mb_stride;
- // take top left mv from the middle of the mb, as opposed to all other modes which use the bottom right partition
- h->topleft_partition = 0;
- h->left_block = left_block_options[1];
- }
- }
- }else{
- if(curr_mb_field_flag){
- topleft_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy - 1]>>7)&1)-1);
- topright_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy + 1]>>7)&1)-1);
- top_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy ]>>7)&1)-1);
- }
- if (left_mb_field_flag != curr_mb_field_flag) {
- if (curr_mb_field_flag) {
- left_xy[1] += s->mb_stride;
- h->left_block = left_block_options[3];
- } else {
- h->left_block = left_block_options[2];
- }
- }
- }
- }
-
- h->topleft_mb_xy = topleft_xy;
- h->top_mb_xy = top_xy;
- h->topright_mb_xy= topright_xy;
- h->left_mb_xy[0] = left_xy[0];
- h->left_mb_xy[1] = left_xy[1];
- //FIXME do we need all in the context?
-
- h->topleft_type = s->current_picture.mb_type[topleft_xy] ;
- h->top_type = s->current_picture.mb_type[top_xy] ;
- h->topright_type= s->current_picture.mb_type[topright_xy];
- h->left_type[0] = s->current_picture.mb_type[left_xy[0]] ;
- h->left_type[1] = s->current_picture.mb_type[left_xy[1]] ;
-
- if(h->slice_table[topleft_xy ] != h->slice_num) h->topleft_type = 0;
- if(h->slice_table[top_xy ] != h->slice_num) h->top_type = 0;
- if(h->slice_table[topright_xy] != h->slice_num) h->topright_type= 0;
- if(h->slice_table[left_xy[0] ] != h->slice_num) h->left_type[0] = h->left_type[1] = 0;
-}
-
-static void fill_decode_caches(H264Context *h, int mb_type){
- MpegEncContext * const s = &h->s;
- int topleft_xy, top_xy, topright_xy, left_xy[2];
- int topleft_type, top_type, topright_type, left_type[2];
- const uint8_t * left_block= h->left_block;
- int i;
-
- topleft_xy = h->topleft_mb_xy ;
- top_xy = h->top_mb_xy ;
- topright_xy = h->topright_mb_xy;
- left_xy[0] = h->left_mb_xy[0] ;
- left_xy[1] = h->left_mb_xy[1] ;
- topleft_type = h->topleft_type ;
- top_type = h->top_type ;
- topright_type= h->topright_type ;
- left_type[0] = h->left_type[0] ;
- left_type[1] = h->left_type[1] ;
-
- if(!IS_SKIP(mb_type)){
- if(IS_INTRA(mb_type)){
- int type_mask= h->pps.constrained_intra_pred ? IS_INTRA(-1) : -1;
- h->topleft_samples_available=
- h->top_samples_available=
- h->left_samples_available= 0xFFFF;
- h->topright_samples_available= 0xEEEA;
-
- if(!(top_type & type_mask)){
- h->topleft_samples_available= 0xB3FF;
- h->top_samples_available= 0x33FF;
- h->topright_samples_available= 0x26EA;
- }
- if(IS_INTERLACED(mb_type) != IS_INTERLACED(left_type[0])){
- if(IS_INTERLACED(mb_type)){
- if(!(left_type[0] & type_mask)){
- h->topleft_samples_available&= 0xDFFF;
- h->left_samples_available&= 0x5FFF;
- }
- if(!(left_type[1] & type_mask)){
- h->topleft_samples_available&= 0xFF5F;
- h->left_samples_available&= 0xFF5F;
- }
- }else{
- int left_typei = s->current_picture.mb_type[left_xy[0] + s->mb_stride];
-
- assert(left_xy[0] == left_xy[1]);
- if(!((left_typei & type_mask) && (left_type[0] & type_mask))){
- h->topleft_samples_available&= 0xDF5F;
- h->left_samples_available&= 0x5F5F;
- }
- }
- }else{
- if(!(left_type[0] & type_mask)){
- h->topleft_samples_available&= 0xDF5F;
- h->left_samples_available&= 0x5F5F;
- }
- }
-
- if(!(topleft_type & type_mask))
- h->topleft_samples_available&= 0x7FFF;
-
- if(!(topright_type & type_mask))
- h->topright_samples_available&= 0xFBFF;
-
- if(IS_INTRA4x4(mb_type)){
- if(IS_INTRA4x4(top_type)){
- AV_COPY32(h->intra4x4_pred_mode_cache+4+8*0, h->intra4x4_pred_mode + h->mb2br_xy[top_xy]);
- }else{
- h->intra4x4_pred_mode_cache[4+8*0]=
- h->intra4x4_pred_mode_cache[5+8*0]=
- h->intra4x4_pred_mode_cache[6+8*0]=
- h->intra4x4_pred_mode_cache[7+8*0]= 2 - 3*!(top_type & type_mask);
- }
- for(i=0; i<2; i++){
- if(IS_INTRA4x4(left_type[i])){
- int8_t *mode= h->intra4x4_pred_mode + h->mb2br_xy[left_xy[i]];
- h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= mode[6-left_block[0+2*i]];
- h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= mode[6-left_block[1+2*i]];
- }else{
- h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=
- h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= 2 - 3*!(left_type[i] & type_mask);
- }
- }
- }
- }
-
-
-/*
-0 . T T. T T T T
-1 L . .L . . . .
-2 L . .L . . . .
-3 . T TL . . . .
-4 L . .L . . . .
-5 L . .. . . . .
-*/
-//FIXME constraint_intra_pred & partitioning & nnz (let us hope this is just a typo in the spec)
- if(top_type){
- AV_COPY32(&h->non_zero_count_cache[4+8*0], &h->non_zero_count[top_xy][4+3*8]);
- h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][1+1*8];
- h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][2+1*8];
-
- h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][1+2*8];
- h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][2+2*8];
- }else {
- h->non_zero_count_cache[1+8*0]=
- h->non_zero_count_cache[2+8*0]=
-
- h->non_zero_count_cache[1+8*3]=
- h->non_zero_count_cache[2+8*3]=
- AV_WN32A(&h->non_zero_count_cache[4+8*0], CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040);
- }
-
- for (i=0; i<2; i++) {
- if(left_type[i]){
- h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[8+0+2*i]];
- h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[8+1+2*i]];
- h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[8+4+2*i]];
- h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[8+5+2*i]];
- }else{
- h->non_zero_count_cache[3+8*1 + 2*8*i]=
- h->non_zero_count_cache[3+8*2 + 2*8*i]=
- h->non_zero_count_cache[0+8*1 + 8*i]=
- h->non_zero_count_cache[0+8*4 + 8*i]= CABAC && !IS_INTRA(mb_type) ? 0 : 64;
- }
- }
-
- if( CABAC ) {
- // top_cbp
- if(top_type) {
- h->top_cbp = h->cbp_table[top_xy];
- } else {
- h->top_cbp = IS_INTRA(mb_type) ? 0x1CF : 0x00F;
- }
- // left_cbp
- if (left_type[0]) {
- h->left_cbp = (h->cbp_table[left_xy[0]] & 0x1f0)
- | ((h->cbp_table[left_xy[0]]>>(left_block[0]&(~1)))&2)
- | (((h->cbp_table[left_xy[1]]>>(left_block[2]&(~1)))&2) << 2);
- } else {
- h->left_cbp = IS_INTRA(mb_type) ? 0x1CF : 0x00F;
- }
- }
- }
-
-#if 1
- if(IS_INTER(mb_type) || (IS_DIRECT(mb_type) && h->direct_spatial_mv_pred)){
- int list;
- for(list=0; list<h->list_count; list++){
- if(!USES_LIST(mb_type, list)){
- /*if(!h->mv_cache_clean[list]){
- memset(h->mv_cache [list], 0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all?
- memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t));
- h->mv_cache_clean[list]= 1;
- }*/
- continue;
- }
- assert(!(IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred));
-
- h->mv_cache_clean[list]= 0;
-
- if(USES_LIST(top_type, list)){
- const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
- AV_COPY128(h->mv_cache[list][scan8[0] + 0 - 1*8], s->current_picture.motion_val[list][b_xy + 0]);
- h->ref_cache[list][scan8[0] + 0 - 1*8]=
- h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][4*top_xy + 2];
- h->ref_cache[list][scan8[0] + 2 - 1*8]=
- h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][4*top_xy + 3];
- }else{
- AV_ZERO128(h->mv_cache[list][scan8[0] + 0 - 1*8]);
- AV_WN32A(&h->ref_cache[list][scan8[0] + 0 - 1*8], ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101);
- }
-
- if(mb_type & (MB_TYPE_16x8|MB_TYPE_8x8)){
- for(i=0; i<2; i++){
- int cache_idx = scan8[0] - 1 + i*2*8;
- if(USES_LIST(left_type[i], list)){
- const int b_xy= h->mb2b_xy[left_xy[i]] + 3;
- const int b8_xy= 4*left_xy[i] + 1;
- AV_COPY32(h->mv_cache[list][cache_idx ], s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]]);
- AV_COPY32(h->mv_cache[list][cache_idx+8], s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1+i*2]]);
- h->ref_cache[list][cache_idx ]= s->current_picture.ref_index[list][b8_xy + (left_block[0+i*2]&~1)];
- h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + (left_block[1+i*2]&~1)];
- }else{
- AV_ZERO32(h->mv_cache [list][cache_idx ]);
- AV_ZERO32(h->mv_cache [list][cache_idx+8]);
- h->ref_cache[list][cache_idx ]=
- h->ref_cache[list][cache_idx+8]= (left_type[i]) ? LIST_NOT_USED : PART_NOT_AVAILABLE;
- }
- }
- }else{
- if(USES_LIST(left_type[0], list)){
- const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
- const int b8_xy= 4*left_xy[0] + 1;
- AV_COPY32(h->mv_cache[list][scan8[0] - 1], s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0]]);
- h->ref_cache[list][scan8[0] - 1]= s->current_picture.ref_index[list][b8_xy + (left_block[0]&~1)];
- }else{
- AV_ZERO32(h->mv_cache [list][scan8[0] - 1]);
- h->ref_cache[list][scan8[0] - 1]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
- }
- }
-
- if(USES_LIST(topright_type, list)){
- const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;
- AV_COPY32(h->mv_cache[list][scan8[0] + 4 - 1*8], s->current_picture.motion_val[list][b_xy]);
- h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][4*topright_xy + 2];
- }else{
- AV_ZERO32(h->mv_cache [list][scan8[0] + 4 - 1*8]);
- h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
- }
- if(h->ref_cache[list][scan8[0] + 4 - 1*8] < 0){
- if(USES_LIST(topleft_type, list)){
- const int b_xy = h->mb2b_xy [topleft_xy] + 3 + h->b_stride + (h->topleft_partition & 2*h->b_stride);
- const int b8_xy= 4*topleft_xy + 1 + (h->topleft_partition & 2);
- AV_COPY32(h->mv_cache[list][scan8[0] - 1 - 1*8], s->current_picture.motion_val[list][b_xy]);
- h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];
- }else{
- AV_ZERO32(h->mv_cache[list][scan8[0] - 1 - 1*8]);
- h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
- }
- }
-
- if((mb_type&(MB_TYPE_SKIP|MB_TYPE_DIRECT2)) && !FRAME_MBAFF)
- continue;
-
- if(!(mb_type&(MB_TYPE_SKIP|MB_TYPE_DIRECT2))) {
- h->ref_cache[list][scan8[4 ]] =
- h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;
- AV_ZERO32(h->mv_cache [list][scan8[4 ]]);
- AV_ZERO32(h->mv_cache [list][scan8[12]]);
-
- if( CABAC ) {
- /* XXX beurk, Load mvd */
- if(USES_LIST(top_type, list)){
- const int b_xy= h->mb2br_xy[top_xy];
- AV_COPY64(h->mvd_cache[list][scan8[0] + 0 - 1*8], h->mvd_table[list][b_xy + 0]);
- }else{
- AV_ZERO64(h->mvd_cache[list][scan8[0] + 0 - 1*8]);
- }
- if(USES_LIST(left_type[0], list)){
- const int b_xy= h->mb2br_xy[left_xy[0]] + 6;
- AV_COPY16(h->mvd_cache[list][scan8[0] - 1 + 0*8], h->mvd_table[list][b_xy - left_block[0]]);
- AV_COPY16(h->mvd_cache[list][scan8[0] - 1 + 1*8], h->mvd_table[list][b_xy - left_block[1]]);
- }else{
- AV_ZERO16(h->mvd_cache [list][scan8[0] - 1 + 0*8]);
- AV_ZERO16(h->mvd_cache [list][scan8[0] - 1 + 1*8]);
- }
- if(USES_LIST(left_type[1], list)){
- const int b_xy= h->mb2br_xy[left_xy[1]] + 6;
- AV_COPY16(h->mvd_cache[list][scan8[0] - 1 + 2*8], h->mvd_table[list][b_xy - left_block[2]]);
- AV_COPY16(h->mvd_cache[list][scan8[0] - 1 + 3*8], h->mvd_table[list][b_xy - left_block[3]]);
- }else{
- AV_ZERO16(h->mvd_cache [list][scan8[0] - 1 + 2*8]);
- AV_ZERO16(h->mvd_cache [list][scan8[0] - 1 + 3*8]);
- }
- AV_ZERO16(h->mvd_cache [list][scan8[4 ]]);
- AV_ZERO16(h->mvd_cache [list][scan8[12]]);
- if(h->slice_type_nos == FF_B_TYPE){
- fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, MB_TYPE_16x16>>1, 1);
-
- if(IS_DIRECT(top_type)){
- AV_WN32A(&h->direct_cache[scan8[0] - 1*8], 0x01010101*(MB_TYPE_DIRECT2>>1));
- }else if(IS_8X8(top_type)){
- int b8_xy = 4*top_xy;
- h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy + 2];
- h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 3];
- }else{
- AV_WN32A(&h->direct_cache[scan8[0] - 1*8], 0x01010101*(MB_TYPE_16x16>>1));
- }
-
- if(IS_DIRECT(left_type[0]))
- h->direct_cache[scan8[0] - 1 + 0*8]= MB_TYPE_DIRECT2>>1;
- else if(IS_8X8(left_type[0]))
- h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[4*left_xy[0] + 1 + (left_block[0]&~1)];
- else
- h->direct_cache[scan8[0] - 1 + 0*8]= MB_TYPE_16x16>>1;
-
- if(IS_DIRECT(left_type[1]))
- h->direct_cache[scan8[0] - 1 + 2*8]= MB_TYPE_DIRECT2>>1;
- else if(IS_8X8(left_type[1]))
- h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[4*left_xy[1] + 1 + (left_block[2]&~1)];
- else
- h->direct_cache[scan8[0] - 1 + 2*8]= MB_TYPE_16x16>>1;
- }
- }
- }
- if(FRAME_MBAFF){
-#define MAP_MVS\
- MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\
- MAP_F2F(scan8[0] + 0 - 1*8, top_type)\
- MAP_F2F(scan8[0] + 1 - 1*8, top_type)\
- MAP_F2F(scan8[0] + 2 - 1*8, top_type)\
- MAP_F2F(scan8[0] + 3 - 1*8, top_type)\
- MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\
- MAP_F2F(scan8[0] - 1 + 0*8, left_type[0])\
- MAP_F2F(scan8[0] - 1 + 1*8, left_type[0])\
- MAP_F2F(scan8[0] - 1 + 2*8, left_type[1])\
- MAP_F2F(scan8[0] - 1 + 3*8, left_type[1])
- if(MB_FIELD){
-#define MAP_F2F(idx, mb_type)\
- if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
- h->ref_cache[list][idx] <<= 1;\
- h->mv_cache[list][idx][1] /= 2;\
- h->mvd_cache[list][idx][1] >>=1;\
- }
- MAP_MVS
-#undef MAP_F2F
- }else{
-#define MAP_F2F(idx, mb_type)\
- if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
- h->ref_cache[list][idx] >>= 1;\
- h->mv_cache[list][idx][1] <<= 1;\
- h->mvd_cache[list][idx][1] <<= 1;\
- }
- MAP_MVS
-#undef MAP_F2F
- }
- }
- }
- }
-#endif
-
- h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);
-}
-
/**
- *
- * @returns non zero if the loop filter can be skiped
+ * Get the predicted intra4x4 prediction mode.
*/
-static int fill_filter_caches(H264Context *h, int mb_type){
- MpegEncContext * const s = &h->s;
- const int mb_xy= h->mb_xy;
- int top_xy, left_xy[2];
- int top_type, left_type[2];
-
- top_xy = mb_xy - (s->mb_stride << MB_FIELD);
-
- //FIXME deblocking could skip the intra and nnz parts.
-
- /* Wow, what a mess, why didn't they simplify the interlacing & intra
- * stuff, I can't imagine that these complex rules are worth it. */
-
- left_xy[1] = left_xy[0] = mb_xy-1;
- if(FRAME_MBAFF){
- const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]);
- const int curr_mb_field_flag = IS_INTERLACED(mb_type);
- if(s->mb_y&1){
- if (left_mb_field_flag != curr_mb_field_flag) {
- left_xy[0] -= s->mb_stride;
- }
- }else{
- if(curr_mb_field_flag){
- top_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy ]>>7)&1)-1);
- }
- if (left_mb_field_flag != curr_mb_field_flag) {
- left_xy[1] += s->mb_stride;
- }
- }
- }
+static av_always_inline int pred_intra_mode(H264Context *h, int n)
+{
+ const int index8 = scan8[n];
+ const int left = h->intra4x4_pred_mode_cache[index8 - 1];
+ const int top = h->intra4x4_pred_mode_cache[index8 - 8];
+ const int min = FFMIN(left, top);
- h->top_mb_xy = top_xy;
- h->left_mb_xy[0] = left_xy[0];
- h->left_mb_xy[1] = left_xy[1];
- {
- //for sufficiently low qp, filtering wouldn't do anything
- //this is a conservative estimate: could also check beta_offset and more accurate chroma_qp
- int qp_thresh = h->qp_thresh; //FIXME strictly we should store qp_thresh for each mb of a slice
- int qp = s->current_picture.qscale_table[mb_xy];
- if(qp <= qp_thresh
- && (left_xy[0]<0 || ((qp + s->current_picture.qscale_table[left_xy[0]] + 1)>>1) <= qp_thresh)
- && (top_xy < 0 || ((qp + s->current_picture.qscale_table[top_xy ] + 1)>>1) <= qp_thresh)){
- if(!FRAME_MBAFF)
- return 1;
- if( (left_xy[0]< 0 || ((qp + s->current_picture.qscale_table[left_xy[1] ] + 1)>>1) <= qp_thresh)
- && (top_xy < s->mb_stride || ((qp + s->current_picture.qscale_table[top_xy -s->mb_stride] + 1)>>1) <= qp_thresh))
- return 1;
- }
- }
+ tprintf(h->s.avctx, "mode:%d %d min:%d\n", left, top, min);
- if(h->deblocking_filter == 2){
- h->top_type = top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;
- h->left_type[0]= left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;
- h->left_type[1]= left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;
- }else{
- h->top_type = top_type = h->slice_table[top_xy ] < 0xFFFF ? s->current_picture.mb_type[top_xy] : 0;
- h->left_type[0]= left_type[0] = h->slice_table[left_xy[0] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[0]] : 0;
- h->left_type[1]= left_type[1] = h->slice_table[left_xy[1] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[1]] : 0;
- }
- if(IS_INTRA(mb_type))
- return 0;
-
- AV_COPY64(&h->non_zero_count_cache[0+8*1], &h->non_zero_count[mb_xy][ 0]);
- AV_COPY64(&h->non_zero_count_cache[0+8*2], &h->non_zero_count[mb_xy][ 8]);
- AV_COPY32(&h->non_zero_count_cache[0+8*5], &h->non_zero_count[mb_xy][16]);
- AV_COPY32(&h->non_zero_count_cache[4+8*3], &h->non_zero_count[mb_xy][20]);
- AV_COPY64(&h->non_zero_count_cache[0+8*4], &h->non_zero_count[mb_xy][24]);
-
- h->cbp= h->cbp_table[mb_xy];
-
- {
- int list;
- for(list=0; list<h->list_count; list++){
- int8_t *ref;
- int y, b_stride;
- int16_t (*mv_dst)[2];
- int16_t (*mv_src)[2];
-
- if(!USES_LIST(mb_type, list)){
- fill_rectangle( h->mv_cache[list][scan8[0]], 4, 4, 8, pack16to32(0,0), 4);
- AV_WN32A(&h->ref_cache[list][scan8[ 0]], ((LIST_NOT_USED)&0xFF)*0x01010101u);
- AV_WN32A(&h->ref_cache[list][scan8[ 2]], ((LIST_NOT_USED)&0xFF)*0x01010101u);
- AV_WN32A(&h->ref_cache[list][scan8[ 8]], ((LIST_NOT_USED)&0xFF)*0x01010101u);
- AV_WN32A(&h->ref_cache[list][scan8[10]], ((LIST_NOT_USED)&0xFF)*0x01010101u);
- continue;
- }
-
- ref = &s->current_picture.ref_index[list][4*mb_xy];
- {
- int (*ref2frm)[64] = h->ref2frm[ h->slice_num&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
- AV_WN32A(&h->ref_cache[list][scan8[ 0]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
- AV_WN32A(&h->ref_cache[list][scan8[ 2]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
- ref += 2;
- AV_WN32A(&h->ref_cache[list][scan8[ 8]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
- AV_WN32A(&h->ref_cache[list][scan8[10]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
- }
-
- b_stride = h->b_stride;
- mv_dst = &h->mv_cache[list][scan8[0]];
- mv_src = &s->current_picture.motion_val[list][4*s->mb_x + 4*s->mb_y*b_stride];
- for(y=0; y<4; y++){
- AV_COPY128(mv_dst + 8*y, mv_src + y*b_stride);
- }
-
- }
- }
+ if (min < 0)
+ return DC_PRED;
+ else
+ return min;
+}
+static av_always_inline void write_back_intra_pred_mode(H264Context *h)
+{
+ int8_t *i4x4 = h->intra4x4_pred_mode + h->mb2br_xy[h->mb_xy];
+ int8_t *i4x4_cache = h->intra4x4_pred_mode_cache;
-/*
-0 . T T. T T T T
-1 L . .L . . . .
-2 L . .L . . . .
-3 . T TL . . . .
-4 L . .L . . . .
-5 L . .. . . . .
-*/
-//FIXME constraint_intra_pred & partitioning & nnz (let us hope this is just a typo in the spec)
- if(top_type){
- AV_COPY32(&h->non_zero_count_cache[4+8*0], &h->non_zero_count[top_xy][4+3*8]);
- }
+ AV_COPY32(i4x4, i4x4_cache + 4 + 8 * 4);
+ i4x4[4] = i4x4_cache[7 + 8 * 3];
+ i4x4[5] = i4x4_cache[7 + 8 * 2];
+ i4x4[6] = i4x4_cache[7 + 8 * 1];
+}
- if(left_type[0]){
- h->non_zero_count_cache[3+8*1]= h->non_zero_count[left_xy[0]][7+0*8];
- h->non_zero_count_cache[3+8*2]= h->non_zero_count[left_xy[0]][7+1*8];
- h->non_zero_count_cache[3+8*3]= h->non_zero_count[left_xy[0]][7+2*8];
- h->non_zero_count_cache[3+8*4]= h->non_zero_count[left_xy[0]][7+3*8];
+static av_always_inline void write_back_non_zero_count(H264Context *h)
+{
+ const int mb_xy = h->mb_xy;
+ uint8_t *nnz = h->non_zero_count[mb_xy];
+ uint8_t *nnz_cache = h->non_zero_count_cache;
+
+ AV_COPY32(&nnz[ 0], &nnz_cache[4 + 8 * 1]);
+ AV_COPY32(&nnz[ 4], &nnz_cache[4 + 8 * 2]);
+ AV_COPY32(&nnz[ 8], &nnz_cache[4 + 8 * 3]);
+ AV_COPY32(&nnz[12], &nnz_cache[4 + 8 * 4]);
+ AV_COPY32(&nnz[16], &nnz_cache[4 + 8 * 6]);
+ AV_COPY32(&nnz[20], &nnz_cache[4 + 8 * 7]);
+ AV_COPY32(&nnz[32], &nnz_cache[4 + 8 * 11]);
+ AV_COPY32(&nnz[36], &nnz_cache[4 + 8 * 12]);
+
+ if (!h->s.chroma_y_shift) {
+ AV_COPY32(&nnz[24], &nnz_cache[4 + 8 * 8]);
+ AV_COPY32(&nnz[28], &nnz_cache[4 + 8 * 9]);
+ AV_COPY32(&nnz[40], &nnz_cache[4 + 8 * 13]);
+ AV_COPY32(&nnz[44], &nnz_cache[4 + 8 * 14]);
}
+}
- // CAVLC 8x8dct requires NNZ values for residual decoding that differ from what the loop filter needs
- if(!CABAC && h->pps.transform_8x8_mode){
- if(IS_8x8DCT(top_type)){
- h->non_zero_count_cache[4+8*0]=
- h->non_zero_count_cache[5+8*0]= h->cbp_table[top_xy] & 4;
- h->non_zero_count_cache[6+8*0]=
- h->non_zero_count_cache[7+8*0]= h->cbp_table[top_xy] & 8;
- }
- if(IS_8x8DCT(left_type[0])){
- h->non_zero_count_cache[3+8*1]=
- h->non_zero_count_cache[3+8*2]= h->cbp_table[left_xy[0]]&2; //FIXME check MBAFF
- }
- if(IS_8x8DCT(left_type[1])){
- h->non_zero_count_cache[3+8*3]=
- h->non_zero_count_cache[3+8*4]= h->cbp_table[left_xy[1]]&8; //FIXME check MBAFF
- }
-
- if(IS_8x8DCT(mb_type)){
- h->non_zero_count_cache[scan8[0 ]]= h->non_zero_count_cache[scan8[1 ]]=
- h->non_zero_count_cache[scan8[2 ]]= h->non_zero_count_cache[scan8[3 ]]= h->cbp & 1;
-
- h->non_zero_count_cache[scan8[0+ 4]]= h->non_zero_count_cache[scan8[1+ 4]]=
- h->non_zero_count_cache[scan8[2+ 4]]= h->non_zero_count_cache[scan8[3+ 4]]= h->cbp & 2;
-
- h->non_zero_count_cache[scan8[0+ 8]]= h->non_zero_count_cache[scan8[1+ 8]]=
- h->non_zero_count_cache[scan8[2+ 8]]= h->non_zero_count_cache[scan8[3+ 8]]= h->cbp & 4;
-
- h->non_zero_count_cache[scan8[0+12]]= h->non_zero_count_cache[scan8[1+12]]=
- h->non_zero_count_cache[scan8[2+12]]= h->non_zero_count_cache[scan8[3+12]]= h->cbp & 8;
+static av_always_inline void write_back_motion_list(H264Context *h,
+ MpegEncContext *const s,
+ int b_stride,
+ int b_xy, int b8_xy,
+ int mb_type, int list)
+{
+ int16_t(*mv_dst)[2] = &s->current_picture.f.motion_val[list][b_xy];
+ int16_t(*mv_src)[2] = &h->mv_cache[list][scan8[0]];
+ AV_COPY128(mv_dst + 0 * b_stride, mv_src + 8 * 0);
+ AV_COPY128(mv_dst + 1 * b_stride, mv_src + 8 * 1);
+ AV_COPY128(mv_dst + 2 * b_stride, mv_src + 8 * 2);
+ AV_COPY128(mv_dst + 3 * b_stride, mv_src + 8 * 3);
+ if (CABAC) {
+ uint8_t (*mvd_dst)[2] = &h->mvd_table[list][FMO ? 8 * h->mb_xy
+ : h->mb2br_xy[h->mb_xy]];
+ uint8_t(*mvd_src)[2] = &h->mvd_cache[list][scan8[0]];
+ if (IS_SKIP(mb_type)) {
+ AV_ZERO128(mvd_dst);
+ } else {
+ AV_COPY64(mvd_dst, mvd_src + 8 * 3);
+ AV_COPY16(mvd_dst + 3 + 3, mvd_src + 3 + 8 * 0);
+ AV_COPY16(mvd_dst + 3 + 2, mvd_src + 3 + 8 * 1);
+ AV_COPY16(mvd_dst + 3 + 1, mvd_src + 3 + 8 * 2);
}
}
- if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
- int list;
- for(list=0; list<h->list_count; list++){
- if(USES_LIST(top_type, list)){
- const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
- const int b8_xy= 4*top_xy + 2;
- int (*ref2frm)[64] = h->ref2frm[ h->slice_table[top_xy]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
- AV_COPY128(h->mv_cache[list][scan8[0] + 0 - 1*8], s->current_picture.motion_val[list][b_xy + 0]);
- h->ref_cache[list][scan8[0] + 0 - 1*8]=
- h->ref_cache[list][scan8[0] + 1 - 1*8]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 0]];
- h->ref_cache[list][scan8[0] + 2 - 1*8]=
- h->ref_cache[list][scan8[0] + 3 - 1*8]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 1]];
- }else{
- AV_ZERO128(h->mv_cache[list][scan8[0] + 0 - 1*8]);
- AV_WN32A(&h->ref_cache[list][scan8[0] + 0 - 1*8], ((LIST_NOT_USED)&0xFF)*0x01010101u);
- }
-
- if(!IS_INTERLACED(mb_type^left_type[0])){
- if(USES_LIST(left_type[0], list)){
- const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
- const int b8_xy= 4*left_xy[0] + 1;
- int (*ref2frm)[64] = h->ref2frm[ h->slice_table[left_xy[0]]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
- AV_COPY32(h->mv_cache[list][scan8[0] - 1 + 0 ], s->current_picture.motion_val[list][b_xy + h->b_stride*0]);
- AV_COPY32(h->mv_cache[list][scan8[0] - 1 + 8 ], s->current_picture.motion_val[list][b_xy + h->b_stride*1]);
- AV_COPY32(h->mv_cache[list][scan8[0] - 1 +16 ], s->current_picture.motion_val[list][b_xy + h->b_stride*2]);
- AV_COPY32(h->mv_cache[list][scan8[0] - 1 +24 ], s->current_picture.motion_val[list][b_xy + h->b_stride*3]);
- h->ref_cache[list][scan8[0] - 1 + 0 ]=
- h->ref_cache[list][scan8[0] - 1 + 8 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 2*0]];
- h->ref_cache[list][scan8[0] - 1 +16 ]=
- h->ref_cache[list][scan8[0] - 1 +24 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 2*1]];
- }else{
- AV_ZERO32(h->mv_cache [list][scan8[0] - 1 + 0 ]);
- AV_ZERO32(h->mv_cache [list][scan8[0] - 1 + 8 ]);
- AV_ZERO32(h->mv_cache [list][scan8[0] - 1 +16 ]);
- AV_ZERO32(h->mv_cache [list][scan8[0] - 1 +24 ]);
- h->ref_cache[list][scan8[0] - 1 + 0 ]=
- h->ref_cache[list][scan8[0] - 1 + 8 ]=
- h->ref_cache[list][scan8[0] - 1 + 16 ]=
- h->ref_cache[list][scan8[0] - 1 + 24 ]= LIST_NOT_USED;
- }
- }
- }
+ {
+ int8_t *ref_index = &s->current_picture.f.ref_index[list][b8_xy];
+ int8_t *ref_cache = h->ref_cache[list];
+ ref_index[0 + 0 * 2] = ref_cache[scan8[0]];
+ ref_index[1 + 0 * 2] = ref_cache[scan8[4]];
+ ref_index[0 + 1 * 2] = ref_cache[scan8[8]];
+ ref_index[1 + 1 * 2] = ref_cache[scan8[12]];
}
-
- return 0;
-}
-
-/**
- * gets the predicted intra4x4 prediction mode.
- */
-static inline int pred_intra_mode(H264Context *h, int n){
- const int index8= scan8[n];
- const int left= h->intra4x4_pred_mode_cache[index8 - 1];
- const int top = h->intra4x4_pred_mode_cache[index8 - 8];
- const int min= FFMIN(left, top);
-
- tprintf(h->s.avctx, "mode:%d %d min:%d\n", left ,top, min);
-
- if(min<0) return DC_PRED;
- else return min;
-}
-
-static inline void write_back_non_zero_count(H264Context *h){
- const int mb_xy= h->mb_xy;
-
- AV_COPY64(&h->non_zero_count[mb_xy][ 0], &h->non_zero_count_cache[0+8*1]);
- AV_COPY64(&h->non_zero_count[mb_xy][ 8], &h->non_zero_count_cache[0+8*2]);
- AV_COPY32(&h->non_zero_count[mb_xy][16], &h->non_zero_count_cache[0+8*5]);
- AV_COPY32(&h->non_zero_count[mb_xy][20], &h->non_zero_count_cache[4+8*3]);
- AV_COPY64(&h->non_zero_count[mb_xy][24], &h->non_zero_count_cache[0+8*4]);
}
-static inline void write_back_motion(H264Context *h, int mb_type){
- MpegEncContext * const s = &h->s;
- const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride; //try mb2b(8)_xy
- const int b8_xy= 4*h->mb_xy;
- int list;
-
- if(!USES_LIST(mb_type, 0))
- fill_rectangle(&s->current_picture.ref_index[0][b8_xy], 2, 2, 2, (uint8_t)LIST_NOT_USED, 1);
-
- for(list=0; list<h->list_count; list++){
- int y, b_stride;
- int16_t (*mv_dst)[2];
- int16_t (*mv_src)[2];
-
- if(!USES_LIST(mb_type, list))
- continue;
-
- b_stride = h->b_stride;
- mv_dst = &s->current_picture.motion_val[list][b_xy];
- mv_src = &h->mv_cache[list][scan8[0]];
- for(y=0; y<4; y++){
- AV_COPY128(mv_dst + y*b_stride, mv_src + 8*y);
- }
- if( CABAC ) {
- uint8_t (*mvd_dst)[2] = &h->mvd_table[list][FMO ? 8*h->mb_xy : h->mb2br_xy[h->mb_xy]];
- uint8_t (*mvd_src)[2] = &h->mvd_cache[list][scan8[0]];
- if(IS_SKIP(mb_type))
- AV_ZERO128(mvd_dst);
- else{
- AV_COPY64(mvd_dst, mvd_src + 8*3);
- AV_COPY16(mvd_dst + 3 + 3, mvd_src + 3 + 8*0);
- AV_COPY16(mvd_dst + 3 + 2, mvd_src + 3 + 8*1);
- AV_COPY16(mvd_dst + 3 + 1, mvd_src + 3 + 8*2);
- }
- }
-
- {
- int8_t *ref_index = &s->current_picture.ref_index[list][b8_xy];
- ref_index[0+0*2]= h->ref_cache[list][scan8[0]];
- ref_index[1+0*2]= h->ref_cache[list][scan8[4]];
- ref_index[0+1*2]= h->ref_cache[list][scan8[8]];
- ref_index[1+1*2]= h->ref_cache[list][scan8[12]];
- }
+static av_always_inline void write_back_motion(H264Context *h, int mb_type)
+{
+ MpegEncContext *const s = &h->s;
+ const int b_stride = h->b_stride;
+ const int b_xy = 4 * s->mb_x + 4 * s->mb_y * h->b_stride; // try mb2b(8)_xy
+ const int b8_xy = 4 * h->mb_xy;
+
+ if (USES_LIST(mb_type, 0)) {
+ write_back_motion_list(h, s, b_stride, b_xy, b8_xy, mb_type, 0);
+ } else {
+ fill_rectangle(&s->current_picture.f.ref_index[0][b8_xy],
+ 2, 2, 2, (uint8_t)LIST_NOT_USED, 1);
}
-
- if(h->slice_type_nos == FF_B_TYPE && CABAC){
- if(IS_8X8(mb_type)){
- uint8_t *direct_table = &h->direct_table[4*h->mb_xy];
- direct_table[1] = h->sub_mb_type[1]>>1;
- direct_table[2] = h->sub_mb_type[2]>>1;
- direct_table[3] = h->sub_mb_type[3]>>1;
+ if (USES_LIST(mb_type, 1))
+ write_back_motion_list(h, s, b_stride, b_xy, b8_xy, mb_type, 1);
+
+ if (h->slice_type_nos == AV_PICTURE_TYPE_B && CABAC) {
+ if (IS_8X8(mb_type)) {
+ uint8_t *direct_table = &h->direct_table[4 * h->mb_xy];
+ direct_table[1] = h->sub_mb_type[1] >> 1;
+ direct_table[2] = h->sub_mb_type[2] >> 1;
+ direct_table[3] = h->sub_mb_type[3] >> 1;
}
}
}
-static inline int get_dct8x8_allowed(H264Context *h){
- if(h->sps.direct_8x8_inference_flag)
- return !(AV_RN64A(h->sub_mb_type) & ((MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8 )*0x0001000100010001ULL));
+static av_always_inline int get_dct8x8_allowed(H264Context *h)
+{
+ if (h->sps.direct_8x8_inference_flag)
+ return !(AV_RN64A(h->sub_mb_type) &
+ ((MB_TYPE_16x8 | MB_TYPE_8x16 | MB_TYPE_8x8) *
+ 0x0001000100010001ULL));
else
- return !(AV_RN64A(h->sub_mb_type) & ((MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8|MB_TYPE_DIRECT2)*0x0001000100010001ULL));
+ return !(AV_RN64A(h->sub_mb_type) &
+ ((MB_TYPE_16x8 | MB_TYPE_8x16 | MB_TYPE_8x8 | MB_TYPE_DIRECT2) *
+ 0x0001000100010001ULL));
}
-/**
- * decodes a P_SKIP or B_SKIP macroblock
- */
-static void decode_mb_skip(H264Context *h){
- MpegEncContext * const s = &h->s;
- const int mb_xy= h->mb_xy;
- int mb_type=0;
-
- memset(h->non_zero_count[mb_xy], 0, 32);
- memset(h->non_zero_count_cache + 8, 0, 8*5); //FIXME ugly, remove pfui
-
- if(MB_FIELD)
- mb_type|= MB_TYPE_INTERLACED;
-
- if( h->slice_type_nos == FF_B_TYPE )
- {
- // just for fill_caches. pred_direct_motion will set the real mb_type
- mb_type|= MB_TYPE_L0L1|MB_TYPE_DIRECT2|MB_TYPE_SKIP;
- if(h->direct_spatial_mv_pred){
- fill_decode_neighbors(h, mb_type);
- fill_decode_caches(h, mb_type); //FIXME check what is needed and what not ...
- }
- ff_h264_pred_direct_motion(h, &mb_type);
- mb_type|= MB_TYPE_SKIP;
- }
- else
- {
- int mx, my;
- mb_type|= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_SKIP;
-
- fill_decode_neighbors(h, mb_type);
- fill_decode_caches(h, mb_type); //FIXME check what is needed and what not ...
- pred_pskip_motion(h, &mx, &my);
- fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
- fill_rectangle( h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mx,my), 4);
- }
-
- write_back_motion(h, mb_type);
- s->current_picture.mb_type[mb_xy]= mb_type;
- s->current_picture.qscale_table[mb_xy]= s->qscale;
- h->slice_table[ mb_xy ]= h->slice_num;
- h->prev_mb_skipped= 1;
-}
-
-#include "h264_mvpred.h" //For pred_pskip_motion()
-
#endif /* AVCODEC_H264_H */
projects / ffmpeg / blobdiff