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Atrac3 decoder.
Originally committed as revision 8747 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
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@ -80,6 +80,7 @@ version <next>
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- Interplay C93 demuxer and video decoder
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- Bethsoft VID demuxer and video decoder
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- CRYO APC demuxer
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- Atrac3 decoder
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version 0.4.9-pre1:
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@ -1098,6 +1098,7 @@ following image formats are supported:
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@item Musepack @tab @tab X
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@tab Only SV7 is supported
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@item DT$ Coherent Audio @tab @tab X
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@item ATRAC 3 @tab @tab X
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@end multitable
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@code{X} means that encoding (resp. decoding) is supported.
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@ -53,6 +53,7 @@ OBJS-$(CONFIG_ASV1_DECODER) += asv1.o
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OBJS-$(CONFIG_ASV1_ENCODER) += asv1.o
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OBJS-$(CONFIG_ASV2_DECODER) += asv1.o
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OBJS-$(CONFIG_ASV2_ENCODER) += asv1.o
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OBJS-$(CONFIG_ATRAC3_DECODER) += atrac3.o
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OBJS-$(CONFIG_AVS_DECODER) += avs.o
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OBJS-$(CONFIG_BETHSOFTVID_DECODER) += bethsoftvideo.o
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OBJS-$(CONFIG_BMP_DECODER) += bmp.o
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@ -167,6 +167,7 @@ void avcodec_register_all(void)
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REGISTER_DECODER(ALAC, alac);
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REGISTER_ENCDEC (AMR_NB, amr_nb);
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REGISTER_ENCDEC (AMR_WB, amr_wb);
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REGISTER_DECODER(ATRAC3, atrac3);
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REGISTER_DECODER(COOK, cook);
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REGISTER_DECODER(DSICINAUDIO, dsicinaudio);
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REGISTER_DECODER(DTS, dts);
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1069
libavcodec/atrac3.c
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1069
libavcodec/atrac3.c
Normal file
File diff suppressed because it is too large
Load Diff
133
libavcodec/atrac3data.h
Normal file
133
libavcodec/atrac3data.h
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@ -0,0 +1,133 @@
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/*
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* Atrac 3 compatible decoder data
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* Copyright (c) 2006-2007 Maxim Poliakovski
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* Copyright (c) 2006-2007 Benjamin Larsson
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file atrac3data.h
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* Atrac 3 AKA RealAudio 8 compatible decoder data
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*/
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/* VLC tables */
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static const uint8_t huffcode1[9] = {
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0x0,0x4,0x5,0xC,0xD,0x1C,0x1D,0x1E,0x1F,
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};
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static const uint8_t huffbits1[9] = {
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1,3,3,4,4,5,5,5,5,
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};
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static const uint8_t huffcode2[5] = {
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0x0,0x4,0x5,0x6,0x7,
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};
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static const uint8_t huffbits2[5] = {
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1,3,3,3,3,
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};
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static const uint8_t huffcode3[7] = {
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0x0,0x4,0x5,0xC,0xD,0xE,0xF,
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};
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static const uint8_t huffbits3[7] = {
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1,3,3,4,4,4,4,
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};
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static const uint8_t huffcode4[9] = {
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0x0,0x4,0x5,0xC,0xD,0x1C,0x1D,0x1E,0x1F,
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};
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static const uint8_t huffbits4[9] = {
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1,3,3,4,4,5,5,5,5,
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};
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static const uint8_t huffcode5[15] = {
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0x0,0x2,0x3,0x8,0x9,0xA,0xB,0x1C,0x1D,0x3C,0x3D,0x3E,0x3F,0xC,0xD,
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};
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static const uint8_t huffbits5[15] = {
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2,3,3,4,4,4,4,5,5,6,6,6,6,4,4
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};
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static const uint8_t huffcode6[31] = {
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0x0,0x2,0x3,0x4,0x5,0x6,0x7,0x14,0x15,0x16,0x17,0x18,0x19,0x34,0x35,
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0x36,0x37,0x38,0x39,0x3A,0x3B,0x78,0x79,0x7A,0x7B,0x7C,0x7D,0x7E,0x7F,0x8,0x9,
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};
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static const uint8_t huffbits6[31] = {
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3,4,4,4,4,4,4,5,5,5,5,5,5,6,6,6,6,6,6,6,6,7,7,7,7,7,7,7,7,4,4
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};
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static const uint8_t huffcode7[63] = {
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0x0,0x8,0x9,0xA,0xB,0xC,0xD,0xE,0xF,0x10,0x11,0x24,0x25,0x26,0x27,0x28,
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0x29,0x2A,0x2B,0x2C,0x2D,0x2E,0x2F,0x30,0x31,0x32,0x33,0x68,0x69,0x6A,0x6B,0x6C,
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0x6D,0x6E,0x6F,0x70,0x71,0x72,0x73,0x74,0x75,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,
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0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF,0x2,0x3,
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};
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static const uint8_t huffbits7[63] = {
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3,5,5,5,5,5,5,5,5,5,5,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,7,7,7,7,7,
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7,7,7,7,7,7,7,7,7,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,4,4
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};
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static const uint8_t huff_tab_sizes[7] = {
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9, 5, 7, 9, 15, 31, 63,
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};
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static const uint8_t* huff_codes[7] = {
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huffcode1,huffcode2,huffcode3,huffcode4,huffcode5,huffcode6,huffcode7,
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};
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static const uint8_t* huff_bits[7] = {
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huffbits1,huffbits2,huffbits3,huffbits4,huffbits5,huffbits6,huffbits7,
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};
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/* selector tables */
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static const uint8_t CLCLengthTab[8] = {0, 4, 3, 3, 4, 4, 5, 6};
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static const int8_t seTab_0[4] = {0, 1, -2, -1};
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static const int8_t decTable1[18] = {0,0, 0,1, 0,-1, 1,0, -1,0, 1,1, 1,-1, -1,1, -1,-1};
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/* tables for the scalefactor decoding */
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static const float iMaxQuant[8] = {
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0.0, 1.0/1.5, 1.0/2.5, 1.0/3.5, 1.0/4.5, 1.0/7.5, 1.0/15.5, 1.0/31.5
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};
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static const uint16_t subbandTab[33] = {
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0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224,
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256, 288, 320, 352, 384, 416, 448, 480, 512, 576, 640, 704, 768, 896, 1024
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};
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/* transform data */
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static const float qmf_48tap_half[24] = {
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-0.00001461907, -0.00009205479, -0.000056157569, 0.00030117269,
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0.0002422519,-0.00085293897, -0.0005205574, 0.0020340169,
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0.00078333891, -0.0042153862, -0.00075614988, 0.0078402944,
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-0.000061169922, -0.01344162, 0.0024626821, 0.021736089,
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-0.007801671, -0.034090221, 0.01880949, 0.054326009,
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-0.043596379, -0.099384367, 0.13207909, 0.46424159
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};
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/* joint stereo related tables */
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static const float matrixCoeffs[8] = {0.0, 2.0, 2.0, 2.0, 0.0, 0.0, 1.0, 1.0};
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CODEC_ID_MUSEPACK7,
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CODEC_ID_MLP,
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CODEC_ID_GSM_MS, /* as found in WAV */
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CODEC_ID_ATRAC3,
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/* subtitle codecs */
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CODEC_ID_DVD_SUBTITLE= 0x17000,
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@ -2252,6 +2253,7 @@ extern AVCodec amr_nb_decoder;
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extern AVCodec amr_wb_decoder;
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extern AVCodec asv1_decoder;
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extern AVCodec asv2_decoder;
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extern AVCodec atrac3_decoder;
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extern AVCodec avs_decoder;
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extern AVCodec bethsoftvid_decoder;
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extern AVCodec bmp_decoder;
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@ -204,6 +204,7 @@ const AVCodecTag codec_wav_tags[] = {
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{ CODEC_ID_FLAC, 0xF1AC },
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{ CODEC_ID_IMC, 0x401 },
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{ CODEC_ID_GSM_MS, 0x31 },
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{ CODEC_ID_ATRAC3, 0x270 },
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/* FIXME: All of the IDs below are not 16 bit and thus illegal. */
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// for NuppelVideo (nuv.c)
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}
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rm->audiobuf = av_malloc(rm->audio_framesize * sub_packet_h);
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} else if (!strcmp(buf, "cook")) {
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} else if ((!strcmp(buf, "cook")) || (!strcmp(buf, "atrc"))) {
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int codecdata_length, i;
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get_be16(pb); get_byte(pb);
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if (((version >> 16) & 0xff) == 5)
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@ -576,7 +576,8 @@ static int rm_read_audio_stream_info(AVFormatContext *s, AVStream *st,
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return -1;
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}
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st->codec->codec_id = CODEC_ID_COOK;
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if (!strcmp(buf, "cook")) st->codec->codec_id = CODEC_ID_COOK;
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else st->codec->codec_id = CODEC_ID_ATRAC3;
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st->codec->extradata_size= codecdata_length;
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st->codec->extradata= av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
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for(i = 0; i < codecdata_length; i++)
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@ -957,7 +958,8 @@ resync:
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} else if (st->codec->codec_type == CODEC_TYPE_AUDIO) {
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if ((st->codec->codec_id == CODEC_ID_RA_288) ||
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(st->codec->codec_id == CODEC_ID_COOK)) {
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(st->codec->codec_id == CODEC_ID_COOK) ||
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(st->codec->codec_id == CODEC_ID_ATRAC3)) {
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int x;
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int sps = rm->sub_packet_size;
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int cfs = rm->coded_framesize;
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@ -975,6 +977,7 @@ resync:
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for (x = 0; x < h/2; x++)
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get_buffer(pb, rm->audiobuf+x*2*w+y*cfs, cfs);
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break;
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case CODEC_ID_ATRAC3:
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case CODEC_ID_COOK:
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for (x = 0; x < w/sps; x++)
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get_buffer(pb, rm->audiobuf+sps*(h*x+((h+1)/2)*(y&1)+(y>>1)), sps);
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