FFmpeg
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JPEG-LS common code. More...
Go to the source code of this file.
Data Structures | |
struct | JpeglsContext |
struct | JLSState |
Macros | |
#define | R(a, i) (bits == 8 ? ((uint8_t*)(a))[i] : ((uint16_t*)(a))[i] ) |
#define | W(a, i, v) (bits == 8 ? (((uint8_t*)(a))[i]=v) : (((uint16_t*)(a))[i]=v)) |
Typedefs | |
typedef struct JpeglsContext | JpeglsContext |
typedef struct JLSState | JLSState |
Functions | |
void | ff_jpegls_init_state (JLSState *state) |
Calculate initial JPEG-LS parameters. More... | |
static int | ff_jpegls_quantize (JLSState *s, int v) |
Calculate quantized gradient value, used for context determination. More... | |
void | ff_jpegls_reset_coding_parameters (JLSState *s, int reset_all) |
Calculate JPEG-LS codec values. More... | |
static void | ff_jpegls_downscale_state (JLSState *state, int Q) |
static int | ff_jpegls_update_state_regular (JLSState *state, int Q, int err) |
Variables | |
const uint8_t | ff_log2_run [32] |
Detailed Description
JPEG-LS common code.
Definition in file jpegls.h.
Macro Definition Documentation
Typedef Documentation
typedef struct JpeglsContext JpeglsContext |
Function Documentation
Definition at line 80 of file jpegls.h.
Referenced by ff_jpegls_update_state_regular(), ls_encode_runterm(), and ls_get_code_runterm().
Calculate initial JPEG-LS parameters.
Definition at line 30 of file jpegls.c.
Referenced by encode_picture_ls(), and ff_jpegls_decode_picture().
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inlinestatic |
Calculate quantized gradient value, used for context determination.
Definition at line 57 of file jpegls.h.
Referenced by ls_decode_line(), and ls_encode_line().
Calculate JPEG-LS codec values.
Definition at line 57 of file jpegls.c.
Referenced by encode_picture_ls(), ff_jpegls_decode_picture(), ff_jpegls_quantize(), and ls_store_lse().
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inlinestatic |
Definition at line 89 of file jpegls.h.
Referenced by ls_encode_regular(), and ls_get_code_regular().
Variable Documentation
const uint8_t ff_log2_run[32] |
Definition at line 37 of file bitstream.c.
Referenced by decode_line(), encode_line(), ls_decode_line(), ls_encode_line(), and ls_encode_run().
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