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author | Kostya Shishkov <kostya.shishkov@gmail.com> | 2013-09-07 21:06:22 +0200 |
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committer | Anton Khirnov <anton@khirnov.net> | 2013-11-26 08:31:10 +0100 |
commit | a16577d9857206089fd8bce6a342b31dbd7fb9b0 (patch) | |
tree | 45a4d07e2dddcd076bd0bf04ed2b4c65ed8e5d44 /libavcodec/gsm.h | |
parent | 56d061ce9da954560892e3551513d5ecc0439846 (diff) | |
download | ffmpeg-a16577d9857206089fd8bce6a342b31dbd7fb9b0.tar.gz |
MSN Audio support
This is essentially a MS GSM decoder extension that supports more
sampling rates and lower bitrates.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'libavcodec/gsm.h')
-rw-r--r-- | libavcodec/gsm.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/libavcodec/gsm.h b/libavcodec/gsm.h index c7c3e22bde..238cb7359d 100644 --- a/libavcodec/gsm.h +++ b/libavcodec/gsm.h @@ -22,10 +22,24 @@ #define AVCODEC_GSM_H /* bytes per block */ -#define GSM_BLOCK_SIZE 33 -#define GSM_MS_BLOCK_SIZE 65 +#define GSM_BLOCK_SIZE 33 +#define GSM_MS_BLOCK_SIZE 65 +#define MSN_MIN_BLOCK_SIZE 41 /* samples per block */ #define GSM_FRAME_SIZE 160 +enum GSMModes { + GSM_13000 = 0, + MSN_12400, + MSN_11800, + MSN_11200, + MSN_10600, + MSN_10000, + MSN_9400, + MSN_8800, + MSN_8200, + NUM_GSM_MODES +}; + #endif /* AVCODEC_GSM_H */ |