From 94994d8d9a8002e6c9b49c79c0af3a0952e1905e Mon Sep 17 00:00:00 2001 From: Vladimir Voroshilov Date: Sun, 14 Jun 2009 02:31:06 +0000 Subject: [PATCH] G.729 decoder initialization routine (skeleton) Originally committed as revision 19188 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/g729dec.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/libavcodec/g729dec.c b/libavcodec/g729dec.c index ab39a92..28c48b5 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, -- 2.7.4