diff options
Diffstat (limited to 'ffmpeg1/libavformat/rtpdec_g726.c')
| -rw-r--r-- | ffmpeg1/libavformat/rtpdec_g726.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/ffmpeg1/libavformat/rtpdec_g726.c b/ffmpeg1/libavformat/rtpdec_g726.c new file mode 100644 index 0000000..ec37f09 --- /dev/null +++ b/ffmpeg1/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); |