aboutsummaryrefslogtreecommitdiffstats
path: root/libavformat/g722.c
diff options
context:
space:
mode:
authorMichael Niedermayer <michaelni@gmx.at>2012-10-26 14:07:04 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-10-26 14:24:57 +0200
commit507f2940ccdcedf2fdc064c5fb6022b60bace8ca (patch)
treea367ef88e7671ef3155d52bf0f8137fc1c2b0339 /libavformat/g722.c
parent9f36ec6aa936515a703f6d7ff32826aa28684f1e (diff)
parent1b891d17c531e8a63c2974aab4bf997ce70746f3 (diff)
downloadffmpeg-507f2940ccdcedf2fdc064c5fb6022b60bace8ca.tar.gz
Merge commit '1b891d17c531e8a63c2974aab4bf997ce70746f3'
* commit '1b891d17c531e8a63c2974aab4bf997ce70746f3': avconv: fix bitrate report when writing to /dev/null avfilter: fix graphparser memleaks on error paths rawdec: remove ff_raw_read_header pcmdec: remove dependency from rawdec g722: refactor out of rawdec.c rawvideo: use a specific read_header Conflicts: ffmpeg.c libavformat/Makefile libavformat/rawdec.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/g722.c')
-rw-r--r--libavformat/g722.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/libavformat/g722.c b/libavformat/g722.c
new file mode 100644
index 0000000000..1a87c7d28c
--- /dev/null
+++ b/libavformat/g722.c
@@ -0,0 +1,57 @@
+/*
+ * g722 raw demuxer
+ * Copyright (c) 2010 Martin Storsjo
+ *
+ * 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 "libavutil/avassert.h"
+#include "avformat.h"
+#include "internal.h"
+#include "rawdec.h"
+
+static int g722_read_header(AVFormatContext *s)
+{
+ AVStream *st;
+
+ st = avformat_new_stream(s, NULL);
+ if (!st)
+ return AVERROR(ENOMEM);
+
+ st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
+ st->codec->codec_id = AV_CODEC_ID_ADPCM_G722;
+ st->codec->sample_rate = 16000;
+ st->codec->channels = 1;
+
+ st->codec->bits_per_coded_sample =
+ av_get_bits_per_sample(st->codec->codec_id);
+
+ av_assert0(st->codec->bits_per_coded_sample > 0);
+
+ avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
+ return 0;
+}
+
+AVInputFormat ff_g722_demuxer = {
+ .name = "g722",
+ .long_name = NULL_IF_CONFIG_SMALL("raw G.722"),
+ .read_header = g722_read_header,
+ .read_packet = ff_raw_read_partial_packet,
+ .flags = AVFMT_GENERIC_INDEX,
+ .extensions = "g722,722",
+ .raw_codec_id = AV_CODEC_ID_ADPCM_G722,
+};