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| author | Vladimir Voroshilov <voroshil@gmail.com> | 2009-06-14 02:31:06 +0000 |
|---|---|---|
| committer | Vladimir Voroshilov <voroshil@gmail.com> | 2009-06-14 02:31:06 +0000 |
| commit | 94994d8d9a8002e6c9b49c79c0af3a0952e1905e (patch) | |
| tree | 45389a4d612af724483c37d95b2489ab4c5ee897 /libavcodec/g729dec.c | |
| parent | 730c1e4a0660f0c72950bbb61c17fd79453de786 (diff) | |
| download | ffmpeg-94994d8d9a8002e6c9b49c79c0af3a0952e1905e.tar.gz | |
G.729 decoder initialization routine (skeleton)
Originally committed as revision 19188 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/g729dec.c')
| -rw-r--r-- | libavcodec/g729dec.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libavcodec/g729dec.c b/libavcodec/g729dec.c index ab39a92cda..28c48b5748 100644 --- a/libavcodec/g729dec.c +++ b/libavcodec/g729dec.c @@ -97,11 +97,19 @@ static inline int get_parity(uint8_t value) return (0x6996966996696996ULL >> (value >> 2)) & 1; } +static av_cold int decoder_init(AVCodecContext * avctx) +{ if (avctx->channels != 1) { av_log(avctx, AV_LOG_ERROR, "Only mono sound is supported (requested channels: %d).\n", avctx->channels); return AVERROR_NOFMT; } + /* Both 8kbit/s and 6.4kbit/s modes uses two subframes per frame. */ + avctx->frame_size = SUBFRAME_SIZE << 1; + + return 0; +} + ff_acelp_weighted_vector_sum(fc + pitch_delay_int[i], fc + pitch_delay_int[i], fc, 1 << 14, |