wma.h

   1 /**
   2  * Information contained in an asf audio file header.
   3  *
   4  * Both para_filter and para_afh need to read the header.
   5  */
   6 struct asf_header_info {
   7         /** The size of the audio file header. */
   8         int header_len;
   9         int audio_stream_info_start;
  10         uint8_t channels;
  11         uint16_t sample_rate;
  12         uint16_t block_align;
  13         uint32_t bit_rate;
  14         uint32_t flags1;
  15         uint16_t flags2;
  16 };
  17
  18 /* wma_common.c */
  19 int wma_log2(unsigned int v);
  20 const char *search_pattern(const char *pattern, int pattern_len,
  21                 const char *buf, int buf_size);
  22 int read_asf_header(char *buf, int loaded, struct asf_header_info *ahi);
  23 #define M_PI           3.14159265358979323846   /* pi */
  24 #define WMA_FRAME_SKIP 31