FFmpeg
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Known FOURCCs: 'apch' (HQ), 'apcn' (SD), 'apcs' (LT), 'acpo' (Proxy), 'ap4h' (4444) More...
#include "avcodec.h"
#include "get_bits.h"
#include "idctdsp.h"
#include "internal.h"
#include "simple_idct.h"
#include "proresdec.h"
#include "proresdata.h"
Go to the source code of this file.
Macros | |
#define | LONG_BITSTREAM_READER |
#define | DECODE_CODEWORD(val, codebook) |
#define | TOSIGNED(x) (((x) >> 1) ^ (-((x) & 1))) |
#define | FIRST_DC_CB 0xB8 |
Functions | |
static void | permute (uint8_t *dst, const uint8_t *src, const uint8_t permutation[64]) |
static av_cold int | decode_init (AVCodecContext *avctx) |
static int | decode_frame_header (ProresContext *ctx, const uint8_t *buf, const int data_size, AVCodecContext *avctx) |
static int | decode_picture_header (AVCodecContext *avctx, const uint8_t *buf, const int buf_size) |
static av_always_inline void | decode_dc_coeffs (GetBitContext *gb, int16_t *out, int blocks_per_slice) |
static av_always_inline int | decode_ac_coeffs (AVCodecContext *avctx, GetBitContext *gb, int16_t *out, int blocks_per_slice) |
static int | decode_slice_luma (AVCodecContext *avctx, SliceContext *slice, uint16_t *dst, int dst_stride, const uint8_t *buf, unsigned buf_size, const int16_t *qmat) |
static int | decode_slice_chroma (AVCodecContext *avctx, SliceContext *slice, uint16_t *dst, int dst_stride, const uint8_t *buf, unsigned buf_size, const int16_t *qmat, int log2_blocks_per_mb) |
static void | unpack_alpha (GetBitContext *gb, uint16_t *dst, int num_coeffs, const int num_bits) |
static void | decode_slice_alpha (ProresContext *ctx, uint16_t *dst, int dst_stride, const uint8_t *buf, int buf_size, int blocks_per_slice) |
Decode alpha slice plane. More... | |
static int | decode_slice_thread (AVCodecContext *avctx, void *arg, int jobnr, int threadnr) |
static int | decode_picture (AVCodecContext *avctx) |
static int | decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) |
static av_cold int | decode_close (AVCodecContext *avctx) |
Variables | |
static const uint8_t | dc_codebook [7] = { 0x04, 0x28, 0x28, 0x4D, 0x4D, 0x70, 0x70} |
static const uint8_t | run_to_cb [16] = { 0x06, 0x06, 0x05, 0x05, 0x04, 0x29, 0x29, 0x29, 0x29, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x4C } |
static const uint8_t | lev_to_cb [10] = { 0x04, 0x0A, 0x05, 0x06, 0x04, 0x28, 0x28, 0x28, 0x28, 0x4C } |
AVCodec | ff_prores_decoder |
Known FOURCCs: 'apch' (HQ), 'apcn' (SD), 'apcs' (LT), 'acpo' (Proxy), 'ap4h' (4444)
Definition in file proresdec2.c.
#define LONG_BITSTREAM_READER |
Definition at line 29 of file proresdec2.c.
#define DECODE_CODEWORD | ( | val, | |
codebook | |||
) |
Definition at line 249 of file proresdec2.c.
Referenced by decode_ac_coeffs(), and decode_dc_coeffs().
#define TOSIGNED | ( | x | ) | (((x) >> 1) ^ (-((x) & 1))) |
Definition at line 279 of file proresdec2.c.
Referenced by decode_dc_coeffs().
#define FIRST_DC_CB 0xB8 |
Definition at line 281 of file proresdec2.c.
Referenced by decode_dc_coeffs().
Definition at line 39 of file proresdec2.c.
Referenced by decode_frame_header(), and decode_init().
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Definition at line 46 of file proresdec2.c.
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Definition at line 65 of file proresdec2.c.
Referenced by decode_frame().
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Definition at line 147 of file proresdec2.c.
Referenced by decode_frame().
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Definition at line 285 of file proresdec2.c.
Referenced by decode_slice_chroma(), and decode_slice_luma().
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Definition at line 315 of file proresdec2.c.
Referenced by decode_slice_chroma(), and decode_slice_luma().
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Definition at line 358 of file proresdec2.c.
Referenced by decode_slice_thread().
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Definition at line 391 of file proresdec2.c.
Referenced by decode_slice_thread().
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Definition at line 424 of file proresdec2.c.
Referenced by decode_slice_alpha().
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Decode alpha slice plane.
Definition at line 472 of file proresdec2.c.
Referenced by decode_slice_thread().
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Definition at line 501 of file proresdec2.c.
Referenced by decode_picture().
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Definition at line 600 of file proresdec2.c.
Referenced by decode_frame().
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Definition at line 614 of file proresdec2.c.
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Definition at line 671 of file proresdec2.c.
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Definition at line 283 of file proresdec2.c.
Referenced by decode_dc_coeffs().
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Definition at line 312 of file proresdec2.c.
Referenced by decode_ac_coeffs().
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Definition at line 313 of file proresdec2.c.
Referenced by decode_ac_coeffs().
AVCodec ff_prores_decoder |
Definition at line 680 of file proresdec2.c.