From 94994d8d9a8002e6c9b49c79c0af3a0952e1905e Mon Sep 17 00:00:00 2001
From: Vladimir Voroshilov <voroshil@gmail.com>
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 ab39a92cda6..28c48b5748f 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,
--
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