FFmpeg
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#include "libavutil/buffer.h"
#include "libavutil/mem_internal.h"
#include "cabac.h"
#include "error_resilience.h"
#include "h264_parse.h"
#include "h264_ps.h"
#include "h264_sei.h"
#include "h2645_parse.h"
#include "h264chroma.h"
#include "h264dsp.h"
#include "h264pred.h"
#include "h264qpel.h"
#include "h274.h"
#include "mpegutils.h"
#include "threadframe.h"
#include "videodsp.h"
Go to the source code of this file.
Data Structures | |
struct | MMCO |
Memory management control operation. More... | |
struct | H264Picture |
struct | H264Ref |
struct | H264SliceContext |
struct | H264Context |
H264Context. More... | |
Macros | |
#define | H264_MAX_PICTURE_COUNT 36 |
#define | ALLOW_INTERLACE |
#define | FMO 0 |
#define | MAX_SLICES 32 |
The maximum number of slices supported by the decoder. More... | |
#define | MB_MBAFF(h) (h)->mb_mbaff |
#define | MB_FIELD(sl) (sl)->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) |
#define | FIELD_OR_MBAFF_PICTURE(h) (FRAME_MBAFF(h) || FIELD_PICTURE(h)) |
#define | CABAC(h) (h)->ps.pps->cabac |
#define | CHROMA(h) ((h)->ps.sps->chroma_format_idc) |
#define | CHROMA422(h) ((h)->ps.sps->chroma_format_idc == 2) |
#define | CHROMA444(h) ((h)->ps.sps->chroma_format_idc == 3) |
#define | IS_REF0(a) ((a) & MB_TYPE_REF0) |
#define | IS_8x8DCT(a) ((a) & MB_TYPE_8x8DCT) |
#define | IS_SUB_8X8(a) ((a) & MB_TYPE_16x16) |
#define | IS_SUB_8X4(a) ((a) & MB_TYPE_16x8) |
#define | IS_SUB_4X8(a) ((a) & MB_TYPE_8x16) |
#define | IS_SUB_4X4(a) ((a) & MB_TYPE_8x8) |
#define | IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0 << ((part) + 2 * (list)))) |
#define | USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0 | MB_TYPE_P1L0) << (2 * (list)))) |
#define | DELAYED_PIC_REF (1 << 2) |
H264Picture.reference has this flag set, when the picture is held for delayed output. More... | |
#define | LIST_NOT_USED -1 |
#define | FRAME_RECOVERED_IDR (1 << 0) |
We have seen an IDR, so all the following frames in coded order are correctly decodable. More... | |
#define | FRAME_RECOVERED_SEI (1 << 1) |
Sufficient number of frames have been decoded since a SEI recovery point, so all the following frames in presentation order are correct. More... | |
#define | FRAME_RECOVERED_HEURISTIC (1 << 2) |
Recovery point detected by heuristic. More... | |
#define | LUMA_DC_BLOCK_INDEX 48 |
#define | CHROMA_DC_BLOCK_INDEX 49 |
Variables | |
const uint16_t | ff_h264_mb_sizes [4] |
H.264 / AVC / MPEG-4 part10 codec.
Definition in file h264dec.h.
#define MAX_SLICES 32 |
#define FIELD_PICTURE | ( | h | ) | ((h)->picture_structure != PICT_FRAME) |
#define FIELD_OR_MBAFF_PICTURE | ( | h | ) | (FRAME_MBAFF(h) || FIELD_PICTURE(h)) |
#define IS_REF0 | ( | a | ) | ((a) & MB_TYPE_REF0) |
#define IS_8x8DCT | ( | a | ) | ((a) & MB_TYPE_8x8DCT) |
#define IS_SUB_8X8 | ( | a | ) | ((a) & MB_TYPE_16x16) |
#define IS_SUB_8X4 | ( | a | ) | ((a) & MB_TYPE_16x8) |
#define IS_SUB_4X8 | ( | a | ) | ((a) & MB_TYPE_8x16) |
#define IS_SUB_4X4 | ( | a | ) | ((a) & MB_TYPE_8x8) |
#define IS_DIR | ( | a, | |
part, | |||
list | |||
) | ((a) & (MB_TYPE_P0L0 << ((part) + 2 * (list)))) |
#define USES_LIST | ( | a, | |
list | |||
) | ((a) & ((MB_TYPE_P0L0 | MB_TYPE_P1L0) << (2 * (list)))) |
#define DELAYED_PIC_REF (1 << 2) |
H264Picture.reference has this flag set, when the picture is held for delayed output.
#define FRAME_RECOVERED_IDR (1 << 0) |
#define FRAME_RECOVERED_SEI (1 << 1) |
#define FRAME_RECOVERED_HEURISTIC (1 << 2) |
int ff_h264_get_slice_type | ( | const H264SliceContext * | sl | ) |
Reconstruct bitstream slice_type.
Definition at line 2177 of file h264_slice.c.
Referenced by fill_slice_long(), and vaapi_h264_decode_slice().
int ff_h264_alloc_tables | ( | H264Context * | h | ) |
Allocate tables.
needs width/height
Definition at line 186 of file h264dec.c.
Referenced by h264_slice_header_init().
int ff_h264_decode_ref_pic_list_reordering | ( | H264SliceContext * | sl, |
void * | logctx | ||
) |
Definition at line 427 of file h264_refs.c.
Referenced by h264_slice_header_parse().
int ff_h264_build_ref_list | ( | H264Context * | h, |
H264SliceContext * | sl | ||
) |
Definition at line 294 of file h264_refs.c.
Referenced by h264_slice_init().
void ff_h264_remove_all_refs | ( | H264Context * | h | ) |
Definition at line 564 of file h264_refs.c.
Referenced by h264_decode_end(), and idr().
int ff_h264_execute_ref_pic_marking | ( | H264Context * | h | ) |
Execute the reference picture marking (memory management control operations).
Definition at line 606 of file h264_refs.c.
Referenced by ff_h264_field_end(), ff_h264_update_thread_context(), and h264_field_start().
int ff_h264_decode_ref_pic_marking | ( | H264SliceContext * | sl, |
GetBitContext * | gb, | ||
const H2645NAL * | nal, | ||
void * | logctx | ||
) |
Definition at line 828 of file h264_refs.c.
Referenced by h264_slice_header_parse().
void ff_h264_hl_decode_mb | ( | const H264Context * | h, |
H264SliceContext * | sl | ||
) |
Definition at line 800 of file h264_mb.c.
Referenced by decode_slice(), and h264_er_decode_mb().
void ff_h264_decode_init_vlc | ( | void | ) |
Definition at line 315 of file h264_cavlc.c.
Referenced by h264_decode_init().
int ff_h264_decode_mb_cavlc | ( | const H264Context * | h, |
H264SliceContext * | sl | ||
) |
Decode a macroblock.
Definition at line 665 of file h264_cavlc.c.
Referenced by decode_slice().
int ff_h264_decode_mb_cabac | ( | const H264Context * | h, |
H264SliceContext * | sl | ||
) |
Decode a CABAC coded macroblock.
Decode a CABAC coded macroblock.
Definition at line 1920 of file h264_cabac.c.
Referenced by decode_slice().
void ff_h264_init_cabac_states | ( | const H264Context * | h, |
H264SliceContext * | sl | ||
) |
Definition at line 1262 of file h264_cabac.c.
Referenced by decode_slice().
void ff_h264_direct_dist_scale_factor | ( | const H264Context *const | h, |
H264SliceContext * | sl | ||
) |
Definition at line 61 of file h264_direct.c.
Referenced by h264_slice_init().
void ff_h264_direct_ref_list_init | ( | const H264Context *const | h, |
H264SliceContext * | sl | ||
) |
Definition at line 120 of file h264_direct.c.
Referenced by h264_slice_init().
void ff_h264_pred_direct_motion | ( | const H264Context *const | h, |
H264SliceContext * | sl, | ||
int * | mb_type | ||
) |
Definition at line 720 of file h264_direct.c.
Referenced by decode_mb_skip(), ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().
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 | ||
) |
Definition at line 416 of file h264_loopfilter.c.
Referenced by loop_filter().
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 | ||
) |
Definition at line 716 of file h264_loopfilter.c.
Referenced by ff_h264_filter_mb_fast(), and loop_filter().
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static |
Get the chroma qp.
Definition at line 675 of file h264dec.h.
Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_filter_mb(), filter_mb_dir(), h264_filter_mb_fast_internal(), h264_slice_header_parse(), and loop_filter().
int ff_h264_field_end | ( | H264Context * | h, |
H264SliceContext * | sl, | ||
int | in_setup | ||
) |
Definition at line 189 of file h264_picture.c.
Referenced by ff_h264_queue_decode_slice(), and h264_decode_frame().
int ff_h264_ref_picture | ( | H264Picture * | dst, |
const H264Picture * | src | ||
) |
Definition at line 108 of file h264_picture.c.
Referenced by ff_h264_remove_all_refs(), and h264_frame_start().
int ff_h264_replace_picture | ( | H264Picture * | dst, |
const H264Picture * | src | ||
) |
Definition at line 135 of file h264_picture.c.
Referenced by ff_h264_update_thread_context().
void ff_h264_unref_picture | ( | H264Picture * | pic | ) |
Definition at line 39 of file h264_picture.c.
Referenced by alloc_picture(), ff_h264_flush_change(), ff_h264_ref_picture(), ff_h264_remove_all_refs(), ff_h264_replace_picture(), h264_decode_flush(), h264_decode_frame(), h264_frame_start(), h264_free_pic(), and release_unused_pictures().
void ff_h264_slice_context_init | ( | H264Context * | h, |
H264SliceContext * | sl | ||
) |
Init slice context.
Definition at line 265 of file h264dec.c.
Referenced by h264_slice_header_init().
void ff_h264_draw_horiz_band | ( | const H264Context * | h, |
H264SliceContext * | sl, | ||
int | y, | ||
int | height | ||
) |
Definition at line 103 of file h264dec.c.
Referenced by d3d12va_h264_end_frame(), decode_finish_row(), dxva2_h264_end_frame(), vaapi_h264_end_frame(), and vdpau_h264_end_frame().
int ff_h264_queue_decode_slice | ( | H264Context * | h, |
const H2645NAL * | nal | ||
) |
Submit a slice for decoding.
Parse the slice header, starting a new field/frame if necessary. If any slices are queued for the previous field, they are decoded.
Definition at line 2052 of file h264_slice.c.
Referenced by decode_nal_units().
int ff_h264_execute_decode_slices | ( | H264Context * | h | ) |
Call decode_slice() for each context.
h | h264 master context |
Definition at line 2759 of file h264_slice.c.
Referenced by decode_nal_units(), and ff_h264_queue_decode_slice().
int ff_h264_update_thread_context | ( | AVCodecContext * | dst, |
const AVCodecContext * | src | ||
) |
Definition at line 330 of file h264_slice.c.
int ff_h264_update_thread_context_for_user | ( | AVCodecContext * | dst, |
const AVCodecContext * | src | ||
) |
Definition at line 465 of file h264_slice.c.
void ff_h264_flush_change | ( | H264Context * | h | ) |
Definition at line 458 of file h264dec.c.
Referenced by h264_decode_flush(), h264_decode_init(), and h264_init_ps().
void ff_h264_free_tables | ( | H264Context * | h | ) |
Definition at line 141 of file h264dec.c.
Referenced by h264_decode_end(), h264_decode_flush(), and h264_slice_header_init().
void ff_h264_set_erpic | ( | ERPicture * | dst, |
const H264Picture * | src | ||
) |
Definition at line 166 of file h264_picture.c.
Referenced by decode_nal_units(), and h264_frame_start().
const uint16_t ff_h264_mb_sizes[4] |
Definition at line 59 of file h264dec.c.
Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and hl_decode_mb().