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author | Michael Niedermayer <michaelni@gmx.at> | 2012-10-10 14:04:03 +0200 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2012-10-10 14:07:05 +0200 |
commit | cd6f5c4895c49b483542030324ea5198521ab28b (patch) | |
tree | c1ae5a95d3b19de827e98270ff060124086c4414 /libavcodec/asv.c | |
parent | b7ebb49d035205bcfbcc4f1788df5ba1419fadc8 (diff) | |
parent | 6d0beefbf6ee6dbf8efb522a9307e54c6ed5f702 (diff) | |
download | ffmpeg-cd6f5c4895c49b483542030324ea5198521ab28b.tar.gz |
Merge commit '6d0beefbf6ee6dbf8efb522a9307e54c6ed5f702'
* commit '6d0beefbf6ee6dbf8efb522a9307e54c6ed5f702':
swscale: Do not make ff_ symbols globally visible.
rtspdec: use av_strlcpy for writing into fixed size buffer
g722enc: fix size argument in memset
http: use av_strlcpy instead of strcpy() without size checks
avfilter: correct memcpy size avfilter_copy_buf_props()
lavc: split asv12 encoder/decoder
Conflicts:
libavcodec/asvdec.c
libavfilter/buffer.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/asv.c')
-rw-r--r-- | libavcodec/asv.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/libavcodec/asv.c b/libavcodec/asv.c new file mode 100644 index 0000000000..34622b4e72 --- /dev/null +++ b/libavcodec/asv.c @@ -0,0 +1,95 @@ +/* + * Copyright (c) 2003 Michael Niedermayer + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * ASUS V1/V2 encoder/decoder common data + */ + +#include <stdint.h> + +#include "asv.h" +#include "avcodec.h" +#include "dsputil.h" + +const uint8_t ff_asv_scantab[64] = { + 0x00,0x08,0x01,0x09,0x10,0x18,0x11,0x19, + 0x02,0x0A,0x03,0x0B,0x12,0x1A,0x13,0x1B, + 0x04,0x0C,0x05,0x0D,0x20,0x28,0x21,0x29, + 0x06,0x0E,0x07,0x0F,0x14,0x1C,0x15,0x1D, + 0x22,0x2A,0x23,0x2B,0x30,0x38,0x31,0x39, + 0x16,0x1E,0x17,0x1F,0x24,0x2C,0x25,0x2D, + 0x32,0x3A,0x33,0x3B,0x26,0x2E,0x27,0x2F, + 0x34,0x3C,0x35,0x3D,0x36,0x3E,0x37,0x3F, +}; + +const uint8_t ff_asv_ccp_tab[17][2] = { + {0x2,2}, {0x7,5}, {0xB,5}, {0x3,5}, + {0xD,5}, {0x5,5}, {0x9,5}, {0x1,5}, + {0xE,5}, {0x6,5}, {0xA,5}, {0x2,5}, + {0xC,5}, {0x4,5}, {0x8,5}, {0x3,2}, + {0xF,5}, //EOB +}; + +const uint8_t ff_asv_level_tab[7][2] = { + {3,4}, {3,3}, {3,2}, {0,3}, {2,2}, {2,3}, {2,4} +}; + +const uint8_t ff_asv_dc_ccp_tab[8][2] = { + {0x1,2}, {0xD,4}, {0xF,4}, {0xC,4}, + {0x5,3}, {0xE,4}, {0x4,3}, {0x0,2}, +}; + +const uint8_t ff_asv_ac_ccp_tab[16][2] = { + {0x00,2}, {0x3B,6}, {0x0A,4}, {0x3A,6}, + {0x02,3}, {0x39,6}, {0x3C,6}, {0x38,6}, + {0x03,3}, {0x3D,6}, {0x08,4}, {0x1F,5}, + {0x09,4}, {0x0B,4}, {0x0D,4}, {0x0C,4}, +}; + +const uint8_t ff_asv2_level_tab[63][2] = { + {0x3F,10},{0x2F,10},{0x37,10},{0x27,10},{0x3B,10},{0x2B,10},{0x33,10},{0x23,10}, + {0x3D,10},{0x2D,10},{0x35,10},{0x25,10},{0x39,10},{0x29,10},{0x31,10},{0x21,10}, + {0x1F, 8},{0x17, 8},{0x1B, 8},{0x13, 8},{0x1D, 8},{0x15, 8},{0x19, 8},{0x11, 8}, + {0x0F, 6},{0x0B, 6},{0x0D, 6},{0x09, 6}, + {0x07, 4},{0x05, 4}, + {0x03, 2}, + {0x00, 5}, + {0x02, 2}, + {0x04, 4},{0x06, 4}, + {0x08, 6},{0x0C, 6},{0x0A, 6},{0x0E, 6}, + {0x10, 8},{0x18, 8},{0x14, 8},{0x1C, 8},{0x12, 8},{0x1A, 8},{0x16, 8},{0x1E, 8}, + {0x20,10},{0x30,10},{0x28,10},{0x38,10},{0x24,10},{0x34,10},{0x2C,10},{0x3C,10}, + {0x22,10},{0x32,10},{0x2A,10},{0x3A,10},{0x26,10},{0x36,10},{0x2E,10},{0x3E,10}, +}; + +av_cold void ff_asv_common_init(AVCodecContext *avctx) { + ASV1Context * const a = avctx->priv_data; + + ff_dsputil_init(&a->dsp, avctx); + + a->mb_width = (avctx->width + 15) / 16; + a->mb_height = (avctx->height + 15) / 16; + a->mb_width2 = (avctx->width + 0) / 16; + a->mb_height2 = (avctx->height + 0) / 16; + + avctx->coded_frame= &a->picture; + a->avctx= avctx; +} |