diff options
Diffstat (limited to 'apps/codecs/libwmapro/wma.h')
-rw-r--r-- | apps/codecs/libwmapro/wma.h | 88 |
1 files changed, 1 insertions, 87 deletions
diff --git a/apps/codecs/libwmapro/wma.h b/apps/codecs/libwmapro/wma.h index d23b7ea02f..e4a1601515 100644 --- a/apps/codecs/libwmapro/wma.h +++ b/apps/codecs/libwmapro/wma.h | |||
@@ -24,8 +24,6 @@ | |||
24 | 24 | ||
25 | #include "get_bits.h" | 25 | #include "get_bits.h" |
26 | #include "put_bits.h" | 26 | #include "put_bits.h" |
27 | #include "dsputil.h" | ||
28 | #include "fft.h" | ||
29 | 27 | ||
30 | /* size of blocks */ | 28 | /* size of blocks */ |
31 | #define BLOCK_MIN_BITS 7 | 29 | #define BLOCK_MIN_BITS 7 |
@@ -62,90 +60,6 @@ typedef struct CoefVLCTable { | |||
62 | const uint16_t *levels; ///< table to build run/level tables | 60 | const uint16_t *levels; ///< table to build run/level tables |
63 | } CoefVLCTable; | 61 | } CoefVLCTable; |
64 | 62 | ||
65 | typedef struct WMACodecContext { | ||
66 | AVCodecContext* avctx; | ||
67 | GetBitContext gb; | ||
68 | PutBitContext pb; | ||
69 | int sample_rate; | ||
70 | int nb_channels; | ||
71 | int bit_rate; | ||
72 | int version; ///< 1 = 0x160 (WMAV1), 2 = 0x161 (WMAV2) | ||
73 | int block_align; | ||
74 | int use_bit_reservoir; | ||
75 | int use_variable_block_len; | ||
76 | int use_exp_vlc; ///< exponent coding: 0 = lsp, 1 = vlc + delta | ||
77 | int use_noise_coding; ///< true if perceptual noise is added | ||
78 | int byte_offset_bits; | ||
79 | VLC exp_vlc; | ||
80 | int exponent_sizes[BLOCK_NB_SIZES]; | ||
81 | uint16_t exponent_bands[BLOCK_NB_SIZES][25]; | ||
82 | int high_band_start[BLOCK_NB_SIZES]; ///< index of first coef in high band | ||
83 | int coefs_start; ///< first coded coef | ||
84 | int coefs_end[BLOCK_NB_SIZES]; ///< max number of coded coefficients | ||
85 | int exponent_high_sizes[BLOCK_NB_SIZES]; | ||
86 | int exponent_high_bands[BLOCK_NB_SIZES][HIGH_BAND_MAX_SIZE]; | ||
87 | VLC hgain_vlc; | ||
88 | |||
89 | /* coded values in high bands */ | ||
90 | int high_band_coded[MAX_CHANNELS][HIGH_BAND_MAX_SIZE]; | ||
91 | int high_band_values[MAX_CHANNELS][HIGH_BAND_MAX_SIZE]; | ||
92 | |||
93 | /* there are two possible tables for spectral coefficients */ | ||
94 | //FIXME the following 3 tables should be shared between decoders | ||
95 | VLC coef_vlc[2]; | ||
96 | uint16_t *run_table[2]; | ||
97 | float *level_table[2]; | ||
98 | uint16_t *int_table[2]; | ||
99 | const CoefVLCTable *coef_vlcs[2]; | ||
100 | /* frame info */ | ||
101 | int frame_len; ///< frame length in samples | ||
102 | int frame_len_bits; ///< frame_len = 1 << frame_len_bits | ||
103 | int nb_block_sizes; ///< number of block sizes | ||
104 | /* block info */ | ||
105 | int reset_block_lengths; | ||
106 | int block_len_bits; ///< log2 of current block length | ||
107 | int next_block_len_bits; ///< log2 of next block length | ||
108 | int prev_block_len_bits; ///< log2 of prev block length | ||
109 | int block_len; ///< block length in samples | ||
110 | int block_num; ///< block number in current frame | ||
111 | int block_pos; ///< current position in frame | ||
112 | uint8_t ms_stereo; ///< true if mid/side stereo mode | ||
113 | uint8_t channel_coded[MAX_CHANNELS]; ///< true if channel is coded | ||
114 | int exponents_bsize[MAX_CHANNELS]; ///< log2 ratio frame/exp. length | ||
115 | DECLARE_ALIGNED(16, float, exponents)[MAX_CHANNELS][BLOCK_MAX_SIZE]; | ||
116 | float max_exponent[MAX_CHANNELS]; | ||
117 | WMACoef coefs1[MAX_CHANNELS][BLOCK_MAX_SIZE]; | ||
118 | DECLARE_ALIGNED(16, float, coefs)[MAX_CHANNELS][BLOCK_MAX_SIZE]; | ||
119 | DECLARE_ALIGNED(16, FFTSample, output)[BLOCK_MAX_SIZE * 2]; | ||
120 | FFTContext mdct_ctx[BLOCK_NB_SIZES]; | ||
121 | float *windows[BLOCK_NB_SIZES]; | ||
122 | /* output buffer for one frame and the last for IMDCT windowing */ | ||
123 | DECLARE_ALIGNED(16, float, frame_out)[MAX_CHANNELS][BLOCK_MAX_SIZE * 2]; | ||
124 | /* last frame info */ | ||
125 | uint8_t last_superframe[MAX_CODED_SUPERFRAME_SIZE + 4]; /* padding added */ | ||
126 | int last_bitoffset; | ||
127 | int last_superframe_len; | ||
128 | float noise_table[NOISE_TAB_SIZE]; | ||
129 | int noise_index; | ||
130 | float noise_mult; /* XXX: suppress that and integrate it in the noise array */ | ||
131 | /* lsp_to_curve tables */ | ||
132 | float lsp_cos_table[BLOCK_MAX_SIZE]; | ||
133 | float lsp_pow_e_table[256]; | ||
134 | float lsp_pow_m_table1[(1 << LSP_POW_BITS)]; | ||
135 | float lsp_pow_m_table2[(1 << LSP_POW_BITS)]; | ||
136 | DSPContext dsp; | ||
137 | |||
138 | #ifdef TRACE | ||
139 | int frame_count; | ||
140 | #endif | ||
141 | } WMACodecContext; | ||
142 | |||
143 | extern const uint16_t ff_wma_critical_freqs[25]; | ||
144 | extern const uint16_t ff_wma_hgain_huffcodes[37]; | ||
145 | extern const uint8_t ff_wma_hgain_huffbits[37]; | ||
146 | extern const float ff_wma_lsp_codebook[NB_LSP_COEFS][16]; | ||
147 | extern const uint32_t ff_aac_scalefactor_code[121]; | ||
148 | extern const uint8_t ff_aac_scalefactor_bits[121]; | ||
149 | 63 | ||
150 | int av_cold ff_wma_get_frame_len_bits(int sample_rate, int version, | 64 | int av_cold ff_wma_get_frame_len_bits(int sample_rate, int version, |
151 | unsigned int decode_flags); | 65 | unsigned int decode_flags); |
@@ -153,7 +67,7 @@ int ff_wma_init(AVCodecContext * avctx, int flags2); | |||
153 | int ff_wma_total_gain_to_bits(int total_gain); | 67 | int ff_wma_total_gain_to_bits(int total_gain); |
154 | int ff_wma_end(AVCodecContext *avctx); | 68 | int ff_wma_end(AVCodecContext *avctx); |
155 | unsigned int ff_wma_get_large_val(GetBitContext* gb); | 69 | unsigned int ff_wma_get_large_val(GetBitContext* gb); |
156 | int ff_wma_run_level_decode(AVCodecContext* avctx, GetBitContext* gb, | 70 | int ff_wma_run_level_decode(GetBitContext* gb, |
157 | VLC *vlc, | 71 | VLC *vlc, |
158 | const int32_t *level_table, const uint16_t *run_table, | 72 | const int32_t *level_table, const uint16_t *run_table, |
159 | int version, int32_t *ptr, int offset, | 73 | int version, int32_t *ptr, int offset, |