From 313e572440b76d84900372ad84ff955b89461aba Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Sun, 1 Nov 2020 01:08:15 +0100 Subject: avcodec/mss4: Don't duplicate standard JPEG tables Signed-off-by: Andreas Rheinhardt --- libavcodec/mss4.c | 58 ++++++------------------------------------------------- 1 file changed, 6 insertions(+), 52 deletions(-) (limited to 'libavcodec') diff --git a/libavcodec/mss4.c b/libavcodec/mss4.c index e8aa66e0a8..f8edaac4cd 100644 --- a/libavcodec/mss4.c +++ b/libavcodec/mss4.c @@ -29,6 +29,7 @@ #include "bytestream.h" #include "get_bits.h" #include "internal.h" +#include "jpegtables.h" #include "mss34dsp.h" #include "unary.h" @@ -57,56 +58,6 @@ static const uint8_t mss4_dc_vlc_lens[2][16] = { { 0, 3, 1, 1, 1, 1, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0 } }; -static const uint8_t mss4_ac_vlc_lens[2][16] = { - { 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 125 }, - { 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 119 } -}; - -static const uint8_t mss4_ac_vlc_syms[2][162] = { - { 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, - 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, - 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xA1, 0x08, - 0x23, 0x42, 0xB1, 0xC1, 0x15, 0x52, 0xD1, 0xF0, - 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0A, 0x16, - 0x17, 0x18, 0x19, 0x1A, 0x25, 0x26, 0x27, 0x28, - 0x29, 0x2A, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, - 0x3A, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, - 0x4A, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, - 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, - 0x6A, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, - 0x7A, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, - 0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, - 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, - 0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, - 0xB7, 0xB8, 0xB9, 0xBA, 0xC2, 0xC3, 0xC4, 0xC5, - 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, - 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xE1, 0xE2, - 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, - 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, - 0xF9, 0xFA }, - { 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, - 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71, - 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, - 0xA1, 0xB1, 0xC1, 0x09, 0x23, 0x33, 0x52, 0xF0, - 0x15, 0x62, 0x72, 0xD1, 0x0A, 0x16, 0x24, 0x34, - 0xE1, 0x25, 0xF1, 0x17, 0x18, 0x19, 0x1A, 0x26, - 0x27, 0x28, 0x29, 0x2A, 0x35, 0x36, 0x37, 0x38, - 0x39, 0x3A, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, - 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, - 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, - 0x69, 0x6A, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, - 0x79, 0x7A, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, - 0x88, 0x89, 0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, - 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, - 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, - 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xC2, 0xC3, - 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xD2, - 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, - 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, - 0xEA, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, - 0xF9, 0xFA } -}; - static const uint8_t vec_len_syms[2][4] = { { 4, 2, 3, 1 }, { 4, 1, 2, 3 } @@ -168,8 +119,11 @@ static av_cold int mss4_init_vlcs(MSS4Context *ctx) ret = mss4_init_vlc(&ctx->dc_vlc[i], mss4_dc_vlc_lens[i], NULL); if (ret) return ret; - ret = mss4_init_vlc(&ctx->ac_vlc[i], mss4_ac_vlc_lens[i], - mss4_ac_vlc_syms[i]); + ret = mss4_init_vlc(&ctx->ac_vlc[i], + i ? avpriv_mjpeg_bits_ac_chrominance + 1 + : avpriv_mjpeg_bits_ac_luminance + 1, + i ? avpriv_mjpeg_val_ac_chrominance + : avpriv_mjpeg_val_ac_luminance); if (ret) return ret; ret = mss4_init_vlc(&ctx->vec_entry_vlc[i], mss4_vec_entry_vlc_lens[i], -- cgit v1.2.3