doxygenize

Originally committed as revision 7872 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/wma.h

@@ -51,11 +51,11 @@
 #define VLCMAX ((22+VLCBITS-1)/VLCBITS)
 
 typedef struct CoefVLCTable {
-    int n; /* total number of codes */
+    int n;                      ///< total number of codes
     int max_level;
-    const uint32_t *huffcodes; /* VLC bit values */
-    const uint8_t *huffbits;   /* VLC bit size */
-    const uint16_t *levels; /* table to build run/level tables */
+    const uint32_t *huffcodes;  ///< VLC bit values
+    const uint8_t *huffbits;    ///< VLC bit size
+    const uint16_t *levels;     ///< table to build run/level tables
 } CoefVLCTable;
 
 typedef struct WMADecodeContext {
@@ -64,19 +64,19 @@ typedef struct WMADecodeContext {
     int sample_rate;
     int nb_channels;
     int bit_rate;
-    int version; /* 1 = 0x160 (WMAV1), 2 = 0x161 (WMAV2) */
+    int version;                            ///< 1 = 0x160 (WMAV1), 2 = 0x161 (WMAV2)
     int block_align;
     int use_bit_reservoir;
     int use_variable_block_len;
-    int use_exp_vlc;  /* exponent coding: 0 = lsp, 1 = vlc + delta */
-    int use_noise_coding; /* true if perceptual noise is added */
+    int use_exp_vlc;                        ///< exponent coding: 0 = lsp, 1 = vlc + delta
+    int use_noise_coding;                   ///< true if perceptual noise is added
     int byte_offset_bits;
     VLC exp_vlc;
     int exponent_sizes[BLOCK_NB_SIZES];
     uint16_t exponent_bands[BLOCK_NB_SIZES][25];
-    int high_band_start[BLOCK_NB_SIZES]; /* index of first coef in high band */
-    int coefs_start;               /* first coded coef */
-    int coefs_end[BLOCK_NB_SIZES]; /* max number of coded coefficients */
+    int high_band_start[BLOCK_NB_SIZES];    ///< index of first coef in high band
+    int coefs_start;                        ///< first coded coef
+    int coefs_end[BLOCK_NB_SIZES];          ///< max number of coded coefficients
     int exponent_high_sizes[BLOCK_NB_SIZES];
     int exponent_high_bands[BLOCK_NB_SIZES][HIGH_BAND_MAX_SIZE];
     VLC hgain_vlc;
@@ -93,19 +93,19 @@ typedef struct WMADecodeContext {
     uint16_t *int_table[2];
     CoefVLCTable *coef_vlcs[2];
     /* frame info */
-    int frame_len;       /* frame length in samples */
-    int frame_len_bits;  /* frame_len = 1 << frame_len_bits */
-    int nb_block_sizes;  /* number of block sizes */
+    int frame_len;                          ///< frame length in samples
+    int frame_len_bits;                     ///< frame_len = 1 << frame_len_bits
+    int nb_block_sizes;                     ///< number of block sizes
     /* block info */
     int reset_block_lengths;
-    int block_len_bits; /* log2 of current block length */
-    int next_block_len_bits; /* log2 of next block length */
-    int prev_block_len_bits; /* log2 of prev block length */
-    int block_len; /* block length in samples */
-    int block_num; /* block number in current frame */
-    int block_pos; /* current position in frame */
-    uint8_t ms_stereo; /* true if mid/side stereo mode */
-    uint8_t channel_coded[MAX_CHANNELS]; /* true if channel is coded */
+    int block_len_bits;                     ///< log2 of current block length
+    int next_block_len_bits;                ///< log2 of next block length
+    int prev_block_len_bits;                ///< log2 of prev block length
+    int block_len;                          ///< block length in samples
+    int block_num;                          ///< block number in current frame
+    int block_pos;                          ///< current position in frame
+    uint8_t ms_stereo;                      ///< true if mid/side stereo mode
+    uint8_t channel_coded[MAX_CHANNELS];    ///< true if channel is coded
     DECLARE_ALIGNED_16(float, exponents[MAX_CHANNELS][BLOCK_MAX_SIZE]);
     float max_exponent[MAX_CHANNELS];
     int16_t coefs1[MAX_CHANNELS][BLOCK_MAX_SIZE];
@@ -114,7 +114,7 @@ typedef struct WMADecodeContext {
     DECLARE_ALIGNED_16(float, window[BLOCK_MAX_SIZE * 2]);
     MDCTContext mdct_ctx[BLOCK_NB_SIZES];
     float *windows[BLOCK_NB_SIZES];
-    DECLARE_ALIGNED_16(FFTSample, mdct_tmp[BLOCK_MAX_SIZE]); /* temporary storage for imdct */
+    DECLARE_ALIGNED_16(FFTSample, mdct_tmp[BLOCK_MAX_SIZE]); ///< temporary storage for imdct
     /* output buffer for one frame and the last for IMDCT windowing */
     DECLARE_ALIGNED_16(float, frame_out[MAX_CHANNELS][BLOCK_MAX_SIZE * 2]);
     /* last frame info */

libavcodec/wmadec.c

@@ -127,8 +127,10 @@ static int wma_decode_init(AVCodecContext * avctx)
     return 0;
 }
 
-/* interpolate values for a bigger or smaller block. The block must
-   have multiple sizes */
+/**
+ * interpolate values for a bigger or smaller block. The block must
+ * have multiple sizes
+ */
 static void interpolate_array(float *scale, int old_size, int new_size)
 {
     int i, j, jincr, k;
@@ -154,10 +156,12 @@ static void interpolate_array(float *scale, int old_size, int new_size)
     }
 }
 
-/* compute x^-0.25 with an exponent and mantissa table. We use linear
-   interpolation to reduce the mantissa table size at a small speed
-   expense (linear interpolation approximately doubles the number of
-   bits of precision). */
+/**
+ * compute x^-0.25 with an exponent and mantissa table. We use linear
+ * interpolation to reduce the mantissa table size at a small speed
+ * expense (linear interpolation approximately doubles the number of
+ * bits of precision).
+ */
 static inline float pow_m1_4(WMADecodeContext *s, float x)
 {
     union {
@@ -214,8 +218,10 @@ static void wma_lsp_to_curve_init(WMADecodeContext *s, int frame_len)
 #endif
 }
 
-/* NOTE: We use the same code as Vorbis here */
-/* XXX: optimize it further with SSE/3Dnow */
+/**
+ * NOTE: We use the same code as Vorbis here
+ * @todo optimize it further with SSE/3Dnow
+ */
 static void wma_lsp_to_curve(WMADecodeContext *s,
                              float *out, float *val_max_ptr,
                              int n, float *lsp)
@@ -243,7 +249,9 @@ static void wma_lsp_to_curve(WMADecodeContext *s,
     *val_max_ptr = val_max;
 }
 
-/* decode exponents coded with LSP coefficients (same idea as Vorbis) */
+/**
+ * decode exponents coded with LSP coefficients (same idea as Vorbis)
+ */
 static void decode_exp_lsp(WMADecodeContext *s, int ch)
 {
     float lsp_coefs[NB_LSP_COEFS];
@@ -261,7 +269,9 @@ static void decode_exp_lsp(WMADecodeContext *s, int ch)
                      s->block_len, lsp_coefs);
 }
 
-/* decode exponents coded with VLC codes */
+/**
+ * decode exponents coded with VLC codes
+ */
 static int decode_exp_vlc(WMADecodeContext *s, int ch)
 {
     int last_exp, n, code;
@@ -304,8 +314,10 @@ static int decode_exp_vlc(WMADecodeContext *s, int ch)
     return 0;
 }
 
-/* return 0 if OK. return 1 if last block of frame. return -1 if
-   unrecorrable error. */
+/**
+ * @return 0 if OK. 1 if last block of frame. return -1 if
+ * unrecorrable error.
+ */
 static int wma_decode_block(WMADecodeContext *s)
 {
     int n, v, a, ch, code, bsize;