libmpcodecs/ae.c

   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 #include <stdio.h>
  20 #include <string.h>
  21 #include <stdlib.h>
  22 #include <inttypes.h>
  23 #include <unistd.h>
  24 #include <sys/types.h>
  25 #include <math.h>
  26 #include "config.h"
  27 #include "libmpdemux/aviheader.h"
  28 #include "libmpdemux/ms_hdr.h"
  29 #include "stream/stream.h"
  30 #include "libmpdemux/muxer.h"
  31 #include "ae.h"
  32
  33 #include "ae_pcm.h"
  34
  35 #ifdef CONFIG_TOOLAME
  36 #include "ae_toolame.h"
  37 #endif
  38
  39 #ifdef CONFIG_MP3LAME
  40 #include "ae_lame.h"
  41 #endif
  42
  43 #ifdef CONFIG_LIBAVCODEC
  44 #include "ae_lavc.h"
  45 #endif
  46
  47 #ifdef CONFIG_FAAC
  48 #include "ae_faac.h"
  49 #endif
  50
  51 #ifdef CONFIG_TWOLAME
  52 #include "ae_twolame.h"
  53 #endif
  54
  55 audio_encoder_t *new_audio_encoder(muxer_stream_t *stream, audio_encoding_params_t *params)
  56 {
  57         int ris;
  58         audio_encoder_t *encoder;
  59         if(! params)
  60                 return NULL;
  61
  62         encoder = calloc(1, sizeof(audio_encoder_t));
  63         memcpy(&encoder->params, params, sizeof(audio_encoding_params_t));
  64         encoder->stream = stream;
  65
  66         switch(stream->codec)
  67         {
  68                 case ACODEC_PCM:
  69                         ris = mpae_init_pcm(encoder);
  70                         break;
  71 #ifdef CONFIG_TOOLAME
  72                 case ACODEC_TOOLAME:
  73                         ris = mpae_init_toolame(encoder);
  74                         break;
  75 #endif
  76 #ifdef CONFIG_LIBAVCODEC
  77                 case ACODEC_LAVC:
  78                         ris = mpae_init_lavc(encoder);
  79                         break;
  80 #endif
  81 #ifdef CONFIG_MP3LAME
  82                 case ACODEC_VBRMP3:
  83                         ris = mpae_init_lame(encoder);
  84                         break;
  85 #endif
  86 #ifdef CONFIG_FAAC
  87                 case ACODEC_FAAC:
  88                         ris = mpae_init_faac(encoder);
  89                         break;
  90 #endif
  91 #ifdef CONFIG_TWOLAME
  92                 case ACODEC_TWOLAME:
  93                         ris = mpae_init_twolame(encoder);
  94                         break;
  95 #endif
  96                 default:
  97                         ris = 0;
  98                         break;
  99         }
 100
 101         if(! ris)
 102         {
 103                 free(encoder);
 104                 return NULL;
 105         }
 106         encoder->bind(encoder, stream);
 107         encoder->decode_buffer = malloc(encoder->decode_buffer_size);
 108         if(! encoder->decode_buffer)
 109         {
 110                 free(encoder);
 111                 return NULL;
 112         }
 113
 114         encoder->codec = stream->codec;
 115         return encoder;
 116 }