libmpcodecs/ae.h

   1
   2 #ifndef MPAE_H
   3 #define MPAE_H
   4
   5 #define ACODEC_COPY 0
   6 #define ACODEC_PCM 1
   7 #define ACODEC_VBRMP3 2
   8 #define ACODEC_NULL 3
   9 #define ACODEC_LAVC 4
  10 #define ACODEC_TOOLAME 5
  11 #define ACODEC_FAAC 6
  12 #define ACODEC_TWOLAME 7
  13
  14 #define AE_NEEDS_COMPRESSED_INPUT 1
  15
  16 typedef struct {
  17         int channels;
  18         int sample_rate;
  19         int bitrate;
  20         int samples_per_frame;
  21         int audio_preload;
  22 } audio_encoding_params_t;
  23
  24 typedef struct audio_encoder_s {
  25         int codec;
  26         int flags;
  27         muxer_stream_t *stream;
  28         audio_encoding_params_t params;
  29         int audio_preload;      //in ms
  30         int input_format;
  31         int min_buffer_size, max_buffer_size;   //for init_audio_filters
  32         unsigned char *decode_buffer;
  33         int decode_buffer_size;
  34         int decode_buffer_len;
  35         void *priv;
  36         int (*bind)(struct audio_encoder_s*, muxer_stream_t*);
  37         int (*get_frame_size)(struct audio_encoder_s*);
  38         int (*set_decoded_len)(struct audio_encoder_s *encoder, int len);
  39         int (*encode)(struct audio_encoder_s *encoder, uint8_t *dest, void *src, int nsamples, int max_size);
  40         void (*fixup)(struct audio_encoder_s *encoder);
  41         int (*close)(struct audio_encoder_s *encoder);
  42 } audio_encoder_t;
  43
  44 audio_encoder_t *new_audio_encoder(muxer_stream_t *stream, audio_encoding_params_t *params);
  45
  46 #endif