libmpcodecs/ae.h

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #ifndef MPLAYER_AE_H
  20 #define MPLAYER_AE_H
  21
  22 #include "libmpdemux/muxer.h"
  23
  24 #define ACODEC_COPY 0
  25 #define ACODEC_PCM 1
  26 #define ACODEC_VBRMP3 2
  27 #define ACODEC_NULL 3
  28 #define ACODEC_LAVC 4
  29 #define ACODEC_TOOLAME 5
  30 #define ACODEC_FAAC 6
  31 #define ACODEC_TWOLAME 7
  32
  33 #define AE_NEEDS_COMPRESSED_INPUT 1
  34
  35 typedef struct {
  36         int channels;
  37         int sample_rate;
  38         int bitrate;
  39         int samples_per_frame;
  40         int audio_preload;
  41 } audio_encoding_params_t;
  42
  43 typedef struct audio_encoder_s {
  44         int codec;
  45         int flags;
  46         muxer_stream_t *stream;
  47         audio_encoding_params_t params;
  48         int audio_preload;      //in ms
  49         int input_format;
  50         int min_buffer_size, max_buffer_size;   //for init_audio_filters
  51         unsigned char *decode_buffer;
  52         int decode_buffer_size;
  53         int decode_buffer_len;
  54         void *priv;
  55         int (*bind)(struct audio_encoder_s*, muxer_stream_t*);
  56         int (*get_frame_size)(struct audio_encoder_s*);
  57         int (*set_decoded_len)(struct audio_encoder_s *encoder, int len);
  58         int (*encode)(struct audio_encoder_s *encoder, uint8_t *dest, void *src, int nsamples, int max_size);
  59         void (*fixup)(struct audio_encoder_s *encoder);
  60         int (*close)(struct audio_encoder_s *encoder);
  61 } audio_encoder_t;
  62
  63 audio_encoder_t *new_audio_encoder(muxer_stream_t *stream, audio_encoding_params_t *params);
  64
  65 #endif /* MPLAYER_AE_H */