#define AVCODEC_H264_H
#include "libavutil/intreadwrite.h"
-#include "dsputil.h"
#include "cabac.h"
+#include "error_resilience.h"
+#include "get_bits.h"
#include "mpegvideo.h"
+#include "h264chroma.h"
#include "h264dsp.h"
#include "h264pred.h"
+#include "h264qpel.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 MAX_SPS_COUNT 32
#define MAX_PPS_COUNT 256
#define MAX_SLICES 16
#ifdef ALLOW_INTERLACE
-#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 MB_MBAFF(h) h->mb_mbaff
+#define MB_FIELD(h) h->mb_field_decoding_flag
+#define FRAME_MBAFF(h) h->mb_aff_frame
+#define FIELD_PICTURE(h) (h->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 FIELD_PICTURE 0
+#define MB_MBAFF(h) 0
+#define MB_FIELD(h) 0
+#define FRAME_MBAFF(h) 0
+#define FIELD_PICTURE(h) 0
#undef IS_INTERLACED
#define IS_INTERLACED(mb_type) 0
#define LEFT_MBS 1
#define LBOT 0
#define LEFT(i) 0
#endif
-#define FIELD_OR_MBAFF_PICTURE (FRAME_MBAFF || FIELD_PICTURE)
+#define FIELD_OR_MBAFF_PICTURE(h) (FRAME_MBAFF(h) || FIELD_PICTURE(h))
#ifndef CABAC
-#define CABAC h->pps.cabac
+#define CABAC(h) h->pps.cabac
#endif
-#define CHROMA422 (h->sps.chroma_format_idc == 2)
-#define CHROMA444 (h->sps.chroma_format_idc == 3)
+#define CHROMA422(h) (h->sps.chroma_format_idc == 2)
+#define CHROMA444(h) (h->sps.chroma_format_idc == 3)
#define EXTENDED_SAR 255
#define IS_REF0(a) ((a) & MB_TYPE_REF0)
#define IS_8x8DCT(a) ((a) & MB_TYPE_8x8DCT)
-/**
- * Value of Picture.reference when Picture is not a reference picture, but
- * is held for delayed output.
- */
-#define DELAYED_PIC_REF 4
-
#define QP_MAX_NUM (51 + 2 * 6) // The maximum supported qp
/* NAL unit types */
NAL_END_STREAM,
NAL_FILLER_DATA,
NAL_SPS_EXT,
- NAL_AUXILIARY_SLICE = 19
+ NAL_AUXILIARY_SLICE = 19,
+ NAL_FF_IGNORE = 0xff0f001,
};
/**
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_RECOVERY_POINT = 6, ///< recovery point (frame # to decoder sync)
+ SEI_TYPE_FRAME_PACKING = 45, ///< frame packing arrangement
} SEI_Type;
/**
int mb_aff; ///< mb_adaptive_frame_field_flag
int direct_8x8_inference_flag;
int crop; ///< frame_cropping_flag
+
+ /* those 4 are already in luma samples */
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
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
+ int new; ///< flag to keep track if the decoder context needs re-init due to changed SPS
} SPS;
/**
* H264Context
*/
typedef struct H264Context {
- MpegEncContext s;
+ AVCodecContext *avctx;
+ DSPContext dsp;
+ VideoDSPContext vdsp;
H264DSPContext h264dsp;
+ H264ChromaContext h264chroma;
+ H264QpelContext h264qpel;
+ MotionEstContext me;
+ ParseContext parse_context;
+ GetBitContext gb;
+ ERContext er;
+
+ Picture *DPB;
+ Picture *cur_pic_ptr;
+ Picture cur_pic;
+
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
+ /* coded dimensions -- 16 * mb w/h */
+ int width, height;
+ ptrdiff_t linesize, uvlinesize;
+ int chroma_x_shift, chroma_y_shift;
+
+ int qscale;
+ int droppable;
+ int data_partitioning;
+ int coded_picture_number;
+ int low_delay;
+
+ int context_initialized;
+ int flags;
+ int workaround_bugs;
+
int prev_mb_skipped;
int next_mb_skipped;
uint32_t *mb2br_xy;
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_uvlinesize;
-
- int emu_edge_width;
- int emu_edge_height;
+ ptrdiff_t mb_linesize; ///< may be equal to s->linesize or s->linesize * 2, for mbaff
+ ptrdiff_t mb_uvlinesize;
+ unsigned current_sps_id; ///< id of the current SPS
SPS sps; ///< current sps
/**
int mb_aff_frame;
int mb_field_decoding_flag;
int mb_mbaff; ///< mb_aff_frame && mb_field_decoding_flag
+ int picture_structure;
+ int first_field;
DECLARE_ALIGNED(8, uint16_t, sub_mb_type)[4];
int direct_spatial_mv_pred;
int col_parity;
int col_fieldoff;
- int dist_scale_factor[16];
+ int dist_scale_factor[32];
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];
GetBitContext *intra_gb_ptr;
GetBitContext *inter_gb_ptr;
- 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
+ const uint8_t *intra_pcm_ptr;
+ DECLARE_ALIGNED(16, int16_t, mb)[16 * 48 * 2]; ///< as a dct coeffecient is int32_t in high depth, we need to reserve twice the space.
+ DECLARE_ALIGNED(16, int16_t, mb_luma_dc)[3][16 * 2];
+ int16_t 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
int x264_build;
+ int mb_x, mb_y;
+ int resync_mb_x;
+ int resync_mb_y;
+ int mb_skip_run;
+ int mb_height, mb_width;
+ int mb_stride;
+ int mb_num;
int mb_xy;
int is_complex;
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
+ int bit_depth_luma; ///< luma bit depth from sps to detect changes
+ int chroma_format_idc; ///< chroma format from sps to detect changes
+
SPS *sps_buffers[MAX_SPS_COUNT];
PPS *pps_buffers[MAX_PPS_COUNT];
int redundant_pic_count;
+ Picture default_ref_list[2][32]; ///< base reference list for all slices of a coded picture
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?
int last_pocs[MAX_DELAYED_PIC_COUNT];
Picture *next_output_pic;
*/
int max_contexts;
+ int slice_context_count;
+
/**
* 1 if the single thread fallback warning has already been
* displayed, 0 otherwise.
*/
int single_decode_warning;
+ enum AVPictureType pict_type;
+
int last_slice_type;
/** @} */
*/
int prev_interlaced_frame;
+ /**
+ * frame_packing_arrangment SEI message
+ */
+ int sei_frame_packing_present;
+ int frame_packing_arrangement_type;
+ int content_interpretation_type;
+ int quincunx_subsampling;
+
/**
* Bit set of clock types for fields/frames in picture timing SEI message.
* For each found ct_type, appropriate bit is set (e.g., bit 1 for
*/
int sei_recovery_frame_cnt;
+ /**
+ * recovery_frame is the frame_num at which the next frame should
+ * be fully constructed.
+ *
+ * Set to -1 when not expecting a recovery point.
+ */
+ int recovery_frame;
+
+/**
+ * We have seen an IDR, so all the following frames in coded order are correctly
+ * decodable.
+ */
+#define FRAME_RECOVERED_IDR (1 << 0)
+/**
+ * Sufficient number of frames have been decoded since a SEI recovery point,
+ * so all the following frames in presentation order are correct.
+ */
+#define FRAME_RECOVERED_SEI (1 << 1)
+
+ int frame_recovered; ///< Initial frame has been completely recovered
+
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 cur_chroma_format_idc;
uint8_t *bipred_scratchpad;
+ uint8_t *edge_emu_buffer;
+ int16_t *dc_val_base;
+
+ AVBufferPool *qscale_table_pool;
+ AVBufferPool *mb_type_pool;
+ AVBufferPool *motion_val_pool;
+ AVBufferPool *ref_index_pool;
} H264Context;
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).
* 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);
+void ff_h264_free_context(H264Context *h);
/**
* Reconstruct bitstream slice_type.
*/
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);
+int ff_h264_decode_ref_pic_marking(H264Context *h, GetBitContext *gb,
+ int first_slice);
-void ff_generate_sliding_window_mmcos(H264Context *h);
+int ff_generate_sliding_window_mmcos(H264Context *h, int first_slice);
/**
* Check if the top & left blocks are available if needed & change the
int ff_h264_check_intra_pred_mode(H264Context *h, int mode, int is_chroma);
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 void ff_h264_decode_init_vlc(void);
+int ff_h264_decode_init(AVCodecContext *avctx);
+void ff_h264_decode_init_vlc(void);
/**
* Decode a macroblock
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);
+ tprintf(h->avctx, "mode:%d %d min:%d\n", left, top, min);
if (min < 0)
return DC_PRED;
AV_COPY32(&nnz[32], &nnz_cache[4 + 8 * 11]);
AV_COPY32(&nnz[36], &nnz_cache[4 + 8 * 12]);
- if (!h->s.chroma_y_shift) {
+ if (!h->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]);
}
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_dst)[2] = &h->cur_pic.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) {
+ if (CABAC(h)) {
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]];
}
{
- int8_t *ref_index = &s->current_picture.f.ref_index[list][b8_xy];
+ int8_t *ref_index = &h->cur_pic.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]];
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 b_xy = 4 * h->mb_x + 4 * h->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);
+ write_back_motion_list(h, b_stride, b_xy, b8_xy, mb_type, 0);
} else {
- fill_rectangle(&s->current_picture.f.ref_index[0][b8_xy],
+ fill_rectangle(&h->cur_pic.ref_index[0][b8_xy],
2, 2, 2, (uint8_t)LIST_NOT_USED, 1);
}
if (USES_LIST(mb_type, 1))
- write_back_motion_list(h, s, b_stride, b_xy, b8_xy, mb_type, 1);
+ write_back_motion_list(h, b_stride, b_xy, b8_xy, mb_type, 1);
- if (h->slice_type_nos == AV_PICTURE_TYPE_B && CABAC) {
+ if (h->slice_type_nos == AV_PICTURE_TYPE_B && CABAC(h)) {
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;
0x0001000100010001ULL));
}
+void ff_h264_draw_horiz_band(H264Context *h, int y, int height);
+int ff_init_poc(H264Context *h, int pic_field_poc[2], int *pic_poc);
+int ff_pred_weight_table(H264Context *h);
+int ff_set_ref_count(H264Context *h);
+
#endif /* AVCODEC_H264_H */
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