#include <stdlib.h>#include <string.h>#include <stdint.h>#include "avcodec.h"#include "internal.h"#include "get_bits.h"#include "bytestream.h"#include "dsputil.h"#include "thread.h"Go to the source code of this file.
Data Structures | |
| struct | MimicContext |
Defines | |
| #define | MIMIC_HEADER_SIZE 20 |
Functions | |
| static av_cold int | mimic_decode_init (AVCodecContext *avctx) |
| static int | mimic_decode_update_thread_context (AVCodecContext *avctx, const AVCodecContext *avctx_from) |
| static int | vlc_decode_block (MimicContext *ctx, int num_coeffs, int qscale) |
| static int | decode (MimicContext *ctx, int quality, int num_coeffs, int is_iframe) |
| static void | prepare_avpic (MimicContext *ctx, AVPicture *dst, AVPicture *src) |
| Flip the buffer upside-down and put it in the YVU order to match the way Mimic encodes frames. | |
| static int | mimic_decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt) |
| static av_cold int | mimic_decode_end (AVCodecContext *avctx) |
Variables | |
| static const uint32_t | huffcodes [] |
| static const uint8_t | huffbits [] |
| static const uint8_t | col_zag [64] |
| static const int8_t | vlcdec_lookup [9][64] |
| AVCodec | ff_mimic_decoder |
| #define MIMIC_HEADER_SIZE 20 |
| static int decode | ( | MimicContext * | ctx, | |
| int | quality, | |||
| int | num_coeffs, | |||
| int | is_iframe | |||
| ) | [static] |
| static av_cold int mimic_decode_end | ( | AVCodecContext * | avctx | ) | [static] |
| static int mimic_decode_frame | ( | AVCodecContext * | avctx, | |
| void * | data, | |||
| int * | data_size, | |||
| AVPacket * | avpkt | |||
| ) | [static] |
| static av_cold int mimic_decode_init | ( | AVCodecContext * | avctx | ) | [static] |
| static int mimic_decode_update_thread_context | ( | AVCodecContext * | avctx, | |
| const AVCodecContext * | avctx_from | |||
| ) | [static] |
| static void prepare_avpic | ( | MimicContext * | ctx, | |
| AVPicture * | dst, | |||
| AVPicture * | src | |||
| ) | [static] |
Flip the buffer upside-down and put it in the YVU order to match the way Mimic encodes frames.
Definition at line 293 of file mimic.c.
Referenced by mimic_decode_frame().
| static int vlc_decode_block | ( | MimicContext * | ctx, | |
| int | num_coeffs, | |||
| int | qscale | |||
| ) | [static] |
Initial value:
{
0, 8, 1, 2, 9, 16, 24, 17,
10, 3, 4, 11, 18, 25, 32, 40,
33, 26, 19, 12, 5, 6, 13, 20,
27, 34, 41, 48, 56, 49, 42, 35,
28, 21, 14, 7, 15, 22, 29, 36,
43, 50, 57, 58, 51, 44, 37, 30,
23, 31, 38, 45, 52, 59, 39, 46,
53, 60, 61, 54, 47, 55, 62, 63,
}
Definition at line 101 of file mimic.c.
Referenced by mimic_decode_init().
Initial value:
{
.name = "mimic",
.type = AVMEDIA_TYPE_VIDEO,
.id = CODEC_ID_MIMIC,
.priv_data_size = sizeof(MimicContext),
.init = mimic_decode_init,
.close = mimic_decode_end,
.decode = mimic_decode_frame,
.capabilities = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS,
.long_name = NULL_IF_CONFIG_SMALL("Mimic"),
.update_thread_context = ONLY_IF_THREADS_ENABLED(mimic_decode_update_thread_context)
}
Initial value:
{
4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 2, 4, 5, 6, 7, 7, 7, 8,
8, 10, 11, 11, 11, 11, 12, 12, 2, 6, 7, 8,
9, 9, 12, 12, 13, 13, 13, 13, 14, 14, 14, 0,
3, 6, 9, 14, 15, 15, 15, 15, 16, 16, 16, 16,
17, 17, 17, 0, 4, 8, 9, 17, 18, 18, 18, 18,
19, 19, 19, 19, 20, 20, 20, 0, 5, 10, 20, 21,
21, 21, 21, 22, 22, 22, 22, 23, 23, 23, 23, 0,
6, 10, 24, 24, 24, 24, 25, 25, 25, 25, 26, 26,
26, 26, 27, 0, 10, 27, 27, 27, 28, 28, 28, 28,
29, 29, 29, 29, 30, 30, 30,
}
Definition at line 87 of file mimic.c.
Referenced by mimic_decode_init().
const uint32_t huffcodes[] [static] |
Initial value:
{
0x0000000a, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x0000000b,
0x0000001b, 0x00000038, 0x00000078, 0x00000079, 0x0000007a, 0x000000f9,
0x000000fa, 0x000003fb, 0x000007f8, 0x000007f9, 0x000007fa, 0x000007fb,
0x00000ff8, 0x00000ff9, 0x00000001, 0x00000039, 0x0000007b, 0x000000fb,
0x000001f8, 0x000001f9, 0x00000ffa, 0x00000ffb, 0x00001ff8, 0x00001ff9,
0x00001ffa, 0x00001ffb, 0x00003ff8, 0x00003ff9, 0x00003ffa, 0x00000000,
0x00000004, 0x0000003a, 0x000001fa, 0x00003ffb, 0x00007ff8, 0x00007ff9,
0x00007ffa, 0x00007ffb, 0x0000fff8, 0x0000fff9, 0x0000fffa, 0x0000fffb,
0x0001fff8, 0x0001fff9, 0x0001fffa, 0x00000000, 0x0000000c, 0x000000f8,
0x000001fb, 0x0001fffb, 0x0003fff8, 0x0003fff9, 0x0003fffa, 0x0003fffb,
0x0007fff8, 0x0007fff9, 0x0007fffa, 0x0007fffb, 0x000ffff8, 0x000ffff9,
0x000ffffa, 0x00000000, 0x0000001a, 0x000003f8, 0x000ffffb, 0x001ffff8,
0x001ffff9, 0x001ffffa, 0x001ffffb, 0x003ffff8, 0x003ffff9, 0x003ffffa,
0x003ffffb, 0x007ffff8, 0x007ffff9, 0x007ffffa, 0x007ffffb, 0x00000000,
0x0000003b, 0x000003f9, 0x00fffff8, 0x00fffff9, 0x00fffffa, 0x00fffffb,
0x01fffff8, 0x01fffff9, 0x01fffffa, 0x01fffffb, 0x03fffff8, 0x03fffff9,
0x03fffffa, 0x03fffffb, 0x07fffff8, 0x00000000, 0x000003fa, 0x07fffff9,
0x07fffffa, 0x07fffffb, 0x0ffffff8, 0x0ffffff9, 0x0ffffffa, 0x0ffffffb,
0x1ffffff8, 0x1ffffff9, 0x1ffffffa, 0x1ffffffb, 0x3ffffff8, 0x3ffffff9,
0x3ffffffa,
}
Definition at line 62 of file mimic.c.
Referenced by mimic_decode_init().
const int8_t vlcdec_lookup[9][64] [static] |
1.5.8