| 1 | /* |
| 2 | * This file is part of FFmpeg. |
| 3 | * |
| 4 | * FFmpeg is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public |
| 6 | * License as published by the Free Software Foundation; either |
| 7 | * version 2.1 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * FFmpeg 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 GNU |
| 12 | * Lesser General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU Lesser General Public |
| 15 | * License along with FFmpeg; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 17 | */ |
| 18 | |
| 19 | #ifndef AVDEVICE_OSS_AUDIO_H |
| 20 | #define AVDEVICE_OSS_AUDIO_H |
| 21 | |
| 22 | #include "libavcodec/avcodec.h" |
| 23 | |
| 24 | #include "libavformat/avformat.h" |
| 25 | |
| 26 | #define OSS_AUDIO_BLOCK_SIZE 4096 |
| 27 | |
| 28 | typedef struct OSSAudioData { |
| 29 | AVClass *class; |
| 30 | int fd; |
| 31 | int sample_rate; |
| 32 | int channels; |
| 33 | int frame_size; /* in bytes ! */ |
| 34 | enum AVCodecID codec_id; |
| 35 | unsigned int flip_left : 1; |
| 36 | uint8_t buffer[OSS_AUDIO_BLOCK_SIZE]; |
| 37 | int buffer_ptr; |
| 38 | } OSSAudioData; |
| 39 | |
| 40 | int ff_oss_audio_open(AVFormatContext *s1, int is_output, |
| 41 | const char *audio_device); |
| 42 | |
| 43 | int ff_oss_audio_close(OSSAudioData *s); |
| 44 | |
| 45 | #endif /* AVDEVICE_OSS_AUDIO_H */ |