#define AVCODEC_H264_H
#include "libavutil/intreadwrite.h"
+#include "libavutil/thread.h"
#include "cabac.h"
#include "error_resilience.h"
#include "get_bits.h"
#include "h264dsp.h"
#include "h264pred.h"
#include "h264qpel.h"
+#include "internal.h"
#include "mpegutils.h"
#include "parser.h"
#include "qpeldsp.h"
typedef enum {
SEI_TYPE_BUFFERING_PERIOD = 0, ///< buffering period (H.264, D.1.1)
SEI_TYPE_PIC_TIMING = 1, ///< picture timing
+ SEI_TYPE_USER_DATA_REGISTERED = 4, ///< registered user data as specified by Rec. ITU-T T.35
SEI_TYPE_USER_DATA_UNREGISTERED = 5, ///< unregistered user data
SEI_TYPE_RECOVERY_POINT = 6, ///< recovery point (frame # to decoder sync)
SEI_TYPE_FRAME_PACKING = 45, ///< frame packing arrangement
} MMCO;
typedef struct H264Picture {
- struct AVFrame f;
+ AVFrame *f;
ThreadFrame tf;
AVBufferRef *qscale_table_buf;
int mbaff; ///< 1 -> MBAFF frame 0-> not MBAFF
int field_picture; ///< whether or not picture was encoded in separate fields
- int needs_realloc; ///< picture needs to be reallocated (eg due to a frame size change)
int reference;
int recovered; ///< picture at IDR or recovery point + recovery count
} H264Picture;
+typedef struct H264Ref {
+ uint8_t *data[3];
+ int linesize[3];
+
+ int reference;
+ int poc;
+ int pic_id;
+
+ H264Picture *parent;
+} H264Ref;
+
typedef struct H264SliceContext {
struct H264Context *h264;
+ GetBitContext gb;
+ ERContext er;
int slice_num;
int slice_type;
unsigned int topright_samples_available;
unsigned int left_samples_available;
+ ptrdiff_t linesize, uvlinesize;
ptrdiff_t mb_linesize; ///< may be equal to s->linesize or s->linesize * 2, for mbaff
ptrdiff_t mb_uvlinesize;
+ int mb_x, mb_y;
+ int mb_xy;
+ int resync_mb_x;
+ int resync_mb_y;
+ // index of the first MB of the next slice
+ int next_slice_idx;
+ int mb_skip_run;
+ int is_complex;
+
+ int mb_field_decoding_flag;
+ int mb_mbaff; ///< mb_aff_frame && mb_field_decoding_flag
+
int redundant_pic_count;
/**
*/
unsigned int ref_count[2]; ///< counts frames or fields, depending on current mb mode
unsigned int list_count;
- H264Picture ref_list[2][48]; /**< 0..15: frame refs, 16..47: mbaff field refs.
+ H264Ref 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
const uint8_t *intra_pcm_ptr;
+ int16_t *dc_val_base;
+
+ uint8_t *bipred_scratchpad;
+ uint8_t *edge_emu_buffer;
+ uint8_t (*top_borders[2])[(16 * 3) * 2];
+ int bipred_scratchpad_allocated;
+ int edge_emu_buffer_allocated;
+ int top_borders_allocated[2];
/**
* non zero coeff count cache.
CABACContext cabac;
uint8_t cabac_state[1024];
int cabac_init_idc;
+
+ // rbsp buffer used for this slice
+ uint8_t *rbsp_buffer;
+ unsigned int rbsp_buffer_size;
} H264SliceContext;
/**
H264ChromaContext h264chroma;
H264QpelContext h264qpel;
GetBitContext gb;
- ERContext er;
- H264Picture *DPB;
+ H264Picture DPB[H264_MAX_PICTURE_COUNT];
H264Picture *cur_pic_ptr;
H264Picture cur_pic;
/* coded dimensions -- 16 * mb w/h */
int width, height;
- ptrdiff_t linesize, uvlinesize;
int chroma_x_shift, chroma_y_shift;
int droppable;
int8_t(*intra4x4_pred_mode);
H264PredContext hpc;
- uint8_t (*top_borders[2])[(16 * 3) * 2];
uint8_t (*non_zero_count)[48];
// interlacing specific flags
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;
uint8_t *list_counts; ///< Array of list_count per MB specifying the slice type
- // data partitioning
- GetBitContext intra_gb;
- GetBitContext inter_gb;
- GetBitContext *intra_gb_ptr;
- GetBitContext *inter_gb_ptr;
-
/* 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 x264_build;
- int mb_x, mb_y;
- int resync_mb_x;
- int resync_mb_y;
- int mb_skip_run;
+ int mb_y;
int mb_height, mb_width;
int mb_stride;
int mb_num;
- int mb_xy;
-
- int is_complex;
// =============================================================
// Things below are not used in the MB or more inner code
int nal_ref_idc;
int nal_unit_type;
- uint8_t *rbsp_buffer[2];
- unsigned int rbsp_buffer_size[2];
/**
* Used to parse AVC variant of h264
*/
int max_pic_num;
- H264Picture default_ref_list[2][32]; ///< base reference list for all slices of a coded picture
+ H264Ref default_ref_list[2][32]; ///< base reference list for all slices of a coded picture
H264Picture *short_ref[32];
H264Picture *long_ref[32];
H264Picture *delayed_pic[MAX_DELAYED_PIC_COUNT + 2]; // FIXME size?
int last_pocs[MAX_DELAYED_PIC_COUNT];
H264Picture *next_output_pic;
- int outputed_poc;
int next_outputed_poc;
/**
* @name Members for slice based multithreading
* @{
*/
- struct H264Context *thread_context[H264_MAX_THREADS];
-
/**
* current slice number, used to initalize slice_num of each thread/context
*/
int sei_anticlockwise_rotation;
int sei_hflip, sei_vflip;
+ /**
+ * User data registered by Rec. ITU-T T.35 SEI
+ */
+ int sei_reguserdata_afd_present;
+ uint8_t active_format_description;
+ int a53_caption_size;
+ uint8_t *a53_caption;
+
/**
* 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 frame_recovered; ///< Initial frame has been completely recovered
+ /* for frame threading, this is set to 1
+ * after finish_setup() has been called, so we cannot modify
+ * some context properties (which are supposed to stay constant between
+ * slices) anymore */
+ int setup_finished;
// Timestamp stuff
int sei_buffering_period_present; ///< Buffering period SEI flag
int initial_cpb_removal_delay[32]; ///< Initial timestamps for CPBs
- int cur_chroma_format_idc;
- uint8_t *bipred_scratchpad;
- uint8_t *edge_emu_buffer;
- int16_t *dc_val_base;
+ int enable_er;
AVBufferPool *qscale_table_pool;
AVBufferPool *mb_type_pool;
* or a decode rbsp tailing?
* @return decoded bytes, might be src+1 if no escapes
*/
-const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src,
+const uint8_t *ff_h264_decode_nal(H264Context *h, H264SliceContext *sl, const uint8_t *src,
int *dst_length, int *consumed, int length);
/**
* 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, H264SliceContext *sl);
+int ff_h264_check_intra4x4_pred_mode(const H264Context *h, H264SliceContext *sl);
/**
* 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, H264SliceContext *sl,
+int ff_h264_check_intra_pred_mode(const H264Context *h, H264SliceContext *sl,
int mode, int is_chroma);
-void ff_h264_hl_decode_mb(H264Context *h, H264SliceContext *sl);
+void ff_h264_hl_decode_mb(const H264Context *h, H264SliceContext *sl);
int ff_h264_decode_extradata(H264Context *h);
int ff_h264_decode_init(AVCodecContext *avctx);
void ff_h264_decode_init_vlc(void);
* 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, H264SliceContext *sl);
+int ff_h264_decode_mb_cavlc(const H264Context *h, H264SliceContext *sl);
/**
* 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, H264SliceContext *sl);
+int ff_h264_decode_mb_cabac(const H264Context *h, H264SliceContext *sl);
-void ff_h264_init_cabac_states(H264Context *h, H264SliceContext *sl);
+void ff_h264_init_cabac_states(const H264Context *h, H264SliceContext *sl);
void h264_init_dequant_tables(H264Context *h);
-void ff_h264_direct_dist_scale_factor(H264Context *const h, H264SliceContext *sl);
-void ff_h264_direct_ref_list_init(H264Context *const h, H264SliceContext *sl);
-void ff_h264_pred_direct_motion(H264Context *const h, H264SliceContext *sl,
+void ff_h264_direct_dist_scale_factor(const H264Context *const h, H264SliceContext *sl);
+void ff_h264_direct_ref_list_init(const H264Context *const h, H264SliceContext *sl);
+void ff_h264_pred_direct_motion(const H264Context *const h, H264SliceContext *sl,
int *mb_type);
-void ff_h264_filter_mb_fast(H264Context *h, H264SliceContext *sl, int mb_x, int mb_y,
+void ff_h264_filter_mb_fast(const H264Context *h, H264SliceContext *sl, 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, H264SliceContext *sl, int mb_x, int mb_y,
+void ff_h264_filter_mb(const H264Context *h, H264SliceContext *sl, int mb_x, int mb_y,
uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr,
unsigned int linesize, unsigned int uvlinesize);
/**
* Get the chroma qp.
*/
-static av_always_inline int get_chroma_qp(H264Context *h, int t, int qscale)
+static av_always_inline int get_chroma_qp(const H264Context *h, int t, int qscale)
{
return h->pps.chroma_qp_table[t][qscale];
}
/**
* Get the predicted intra4x4 prediction mode.
*/
-static av_always_inline int pred_intra_mode(H264Context *h,
+static av_always_inline int pred_intra_mode(const H264Context *h,
H264SliceContext *sl, int n)
{
const int index8 = scan8[n];
const int top = sl->intra4x4_pred_mode_cache[index8 - 8];
const int min = FFMIN(left, top);
- tprintf(h->avctx, "mode:%d %d min:%d\n", left, top, min);
+ ff_tlog(h->avctx, "mode:%d %d min:%d\n", left, top, min);
if (min < 0)
return DC_PRED;
return min;
}
-static av_always_inline void write_back_intra_pred_mode(H264Context *h,
+static av_always_inline void write_back_intra_pred_mode(const H264Context *h,
H264SliceContext *sl)
{
- int8_t *i4x4 = sl->intra4x4_pred_mode + h->mb2br_xy[h->mb_xy];
+ int8_t *i4x4 = sl->intra4x4_pred_mode + h->mb2br_xy[sl->mb_xy];
int8_t *i4x4_cache = sl->intra4x4_pred_mode_cache;
AV_COPY32(i4x4, i4x4_cache + 4 + 8 * 4);
i4x4[6] = i4x4_cache[7 + 8 * 1];
}
-static av_always_inline void write_back_non_zero_count(H264Context *h,
+static av_always_inline void write_back_non_zero_count(const H264Context *h,
H264SliceContext *sl)
{
- const int mb_xy = h->mb_xy;
+ const int mb_xy = sl->mb_xy;
uint8_t *nnz = h->non_zero_count[mb_xy];
uint8_t *nnz_cache = sl->non_zero_count_cache;
}
}
-static av_always_inline void write_back_motion_list(H264Context *h,
+static av_always_inline void write_back_motion_list(const H264Context *h,
H264SliceContext *sl,
int b_stride,
int b_xy, int b8_xy,
AV_COPY128(mv_dst + 2 * b_stride, mv_src + 8 * 2);
AV_COPY128(mv_dst + 3 * b_stride, mv_src + 8 * 3);
if (CABAC(h)) {
- uint8_t (*mvd_dst)[2] = &sl->mvd_table[list][FMO ? 8 * h->mb_xy
- : h->mb2br_xy[h->mb_xy]];
+ uint8_t (*mvd_dst)[2] = &sl->mvd_table[list][FMO ? 8 * sl->mb_xy
+ : h->mb2br_xy[sl->mb_xy]];
uint8_t(*mvd_src)[2] = &sl->mvd_cache[list][scan8[0]];
if (IS_SKIP(mb_type)) {
AV_ZERO128(mvd_dst);
}
}
-static av_always_inline void write_back_motion(H264Context *h,
+static av_always_inline void write_back_motion(const H264Context *h,
H264SliceContext *sl,
int mb_type)
{
const int b_stride = h->b_stride;
- 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;
+ const int b_xy = 4 * sl->mb_x + 4 * sl->mb_y * h->b_stride; // try mb2b(8)_xy
+ const int b8_xy = 4 * sl->mb_xy;
if (USES_LIST(mb_type, 0)) {
write_back_motion_list(h, sl, b_stride, b_xy, b8_xy, mb_type, 0);
if (sl->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];
+ uint8_t *direct_table = &h->direct_table[4 * sl->mb_xy];
direct_table[1] = sl->sub_mb_type[1] >> 1;
direct_table[2] = sl->sub_mb_type[2] >> 1;
direct_table[3] = sl->sub_mb_type[3] >> 1;
}
}
-static av_always_inline int get_dct8x8_allowed(H264Context *h, H264SliceContext *sl)
+static av_always_inline int get_dct8x8_allowed(const H264Context *h, H264SliceContext *sl)
{
if (h->sps.direct_8x8_inference_flag)
return !(AV_RN64A(sl->sub_mb_type) &
int ff_h264_ref_picture(H264Context *h, H264Picture *dst, H264Picture *src);
void ff_h264_unref_picture(H264Context *h, H264Picture *pic);
-int ff_h264_context_init(H264Context *h);
-int ff_h264_set_parameter_from_sps(H264Context *h);
+int ff_h264_slice_context_init(H264Context *h, H264SliceContext *sl);
-void ff_h264_draw_horiz_band(H264Context *h, H264SliceContext *sl, int y, int height);
+void ff_h264_draw_horiz_band(const H264Context *h, H264SliceContext *sl, 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, H264SliceContext *sl);
int ff_set_ref_count(H264Context *h, H264SliceContext *sl);
-int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl, H264Context *h0);
+int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl);
int ff_h264_execute_decode_slices(H264Context *h, unsigned context_count);
int ff_h264_update_thread_context(AVCodecContext *dst,
const AVCodecContext *src);
void ff_h264_flush_change(H264Context *h);
-void ff_h264_free_tables(H264Context *h, int free_rbsp);
+void ff_h264_free_tables(H264Context *h);
#endif /* AVCODEC_H264_H */
projects / ffmpeg / blobdiff