making act segmenter

1 files changed, 46 insertions, 0 deletions

diff --git a/ffmpeg/libavformat/rtpdec_g726.c b/ffmpeg/libavformat/rtpdec_g726.c
new file mode 100644
index 0000000..ec37f09
--- /dev/null
+++ b/ffmpeg/libavformat/rtpdec_g726.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2011 Miroslav Slugeň <Thunder.m@seznam.cz>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "avformat.h"
+#include "rtpdec_formats.h"
+
+#define RTP_G726_HANDLER(bitrate) \
+static int g726_ ## bitrate ##_init(AVFormatContext *s, int st_index, PayloadContext *data) \
+{ \
+    AVStream *stream = s->streams[st_index]; \
+    AVCodecContext *codec = stream->codec; \
+\
+    codec->bits_per_coded_sample = bitrate/8; \
+    codec->bit_rate = codec->bits_per_coded_sample * codec->sample_rate; \
+\
+    return 0; \
+} \
+\
+RTPDynamicProtocolHandler ff_g726_ ## bitrate ## _dynamic_handler = { \
+    .enc_name   = "G726-" #bitrate, \
+    .codec_type = AVMEDIA_TYPE_AUDIO, \
+    .codec_id   = AV_CODEC_ID_ADPCM_G726, \
+    .init       = g726_ ## bitrate ## _init, \
+}
+
+RTP_G726_HANDLER(16);
+RTP_G726_HANDLER(24);
+RTP_G726_HANDLER(32);
+RTP_G726_HANDLER(40);