Postpone API-incompatible changes until the next bump.

[ffmpeg] / libavcodec / ac3dec.h

diff --git a/libavcodec/ac3dec.h b/libavcodec/ac3dec.h
index 56c655347774866997fa4b31783287fe3570b3f8..babd0a7d70b26ba5dbecd7c3468b8e6d0639708f 100644 (file)
--- a/libavcodec/ac3dec.h
+++ b/libavcodec/ac3dec.h
@@ -50,11 +50,12 @@
 #ifndef AVCODEC_AC3DEC_H
 #define AVCODEC_AC3DEC_H
 
+#include "libavutil/float_dsp.h"
 #include "libavutil/lfg.h"
 #include "ac3.h"
 #include "ac3dsp.h"
+#include "bswapdsp.h"
 #include "get_bits.h"
-#include "dsputil.h"
 #include "fft.h"
 #include "fmtconvert.h"
 
@@ -65,10 +66,9 @@
 /** Large enough for maximum possible frame size when the specification limit is ignored */
 #define AC3_FRAME_BUFFER_SIZE 32768
 
-typedef struct {
+typedef struct AC3DecodeContext {
     AVClass        *class;                  ///< class for AVOptions
     AVCodecContext *avctx;                  ///< parent context
-    AVFrame frame;                          ///< AVFrame for decoded output
     GetBitContext gbc;                      ///< bitstream reader
 
 ///@name Bit stream information
@@ -79,14 +79,22 @@ typedef struct {
     int bit_rate;                           ///< stream bit rate, in bits-per-second
     int sample_rate;                        ///< sample frequency, in Hz
     int num_blocks;                         ///< number of audio blocks
+    int bitstream_id;                       ///< bitstream id                           (bsid)
     int bitstream_mode;                     ///< bitstream mode                         (bsmod)
     int channel_mode;                       ///< channel mode                           (acmod)
-    int channel_layout;                     ///< channel layout
     int lfe_on;                             ///< lfe channel in use
     int channel_map;                        ///< custom channel map
+    int preferred_downmix;                  ///< Preferred 2-channel downmix mode       (dmixmod)
     int center_mix_level;                   ///< Center mix level index
+    int center_mix_level_ltrt;              ///< Center mix level index for Lt/Rt       (ltrtcmixlev)
     int surround_mix_level;                 ///< Surround mix level index
+    int surround_mix_level_ltrt;            ///< Surround mix level index for Lt/Rt     (ltrtsurmixlev)
+    int lfe_mix_level_exists;               ///< indicates if lfemixlevcod is specified (lfemixlevcode)
+    int lfe_mix_level;                      ///< LFE mix level index                    (lfemixlevcod)
     int eac3;                               ///< indicates if current frame is E-AC-3
+    int dolby_surround_mode;                ///< dolby surround mode                    (dsurmod)
+    int dolby_surround_ex_mode;             ///< dolby surround ex mode                 (dsurexmod)
+    int dolby_headphone_mode;               ///< dolby headphone mode                   (dheadphonmod)
 ///@}
 
 ///@name Frame syntax parameters
@@ -192,14 +200,18 @@ typedef struct {
 ///@}
 
 ///@name Optimization
-    DSPContext dsp;                         ///< for optimization
+    BswapDSPContext bdsp;
+    AVFloatDSPContext fdsp;
     AC3DSPContext ac3dsp;
     FmtConvertContext fmt_conv;             ///< optimized conversion functions
-    float mul_bias;                         ///< scaling for float_to_int16 conversion
 ///@}
 
+    float *outptr[AC3_MAX_CHANNELS];
+    float *xcfptr[AC3_MAX_CHANNELS];
+    float *dlyptr[AC3_MAX_CHANNELS];
+
 ///@name Aligned arrays
-    DECLARE_ALIGNED(16, int,   fixed_coeffs)[AC3_MAX_CHANNELS][AC3_MAX_COEFS];       ///< fixed-point transform coefficients
+    DECLARE_ALIGNED(16, int32_t, fixed_coeffs)[AC3_MAX_CHANNELS][AC3_MAX_COEFS];     ///< fixed-point transform coefficients
     DECLARE_ALIGNED(32, float, transform_coeffs)[AC3_MAX_CHANNELS][AC3_MAX_COEFS];   ///< transform coefficients
     DECLARE_ALIGNED(32, float, delay)[AC3_MAX_CHANNELS][AC3_BLOCK_SIZE];             ///< delay - added to the next block
     DECLARE_ALIGNED(32, float, window)[AC3_BLOCK_SIZE];                              ///< window coefficients
@@ -221,9 +233,6 @@ int ff_eac3_parse_header(AC3DecodeContext *s);
  */
 void ff_eac3_decode_transform_coeffs_aht_ch(AC3DecodeContext *s, int ch);
 
-void ff_ac3_downmix_c(float (*samples)[256], float (*matrix)[2],
-                      int out_ch, int in_ch, int len);
-
 /**
  * Apply spectral extension to each channel by copying lower frequency
  * coefficients to higher frequency bins and applying side information to