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Diffstat (limited to 'ffmpeg/libavformat/g729dec.c')
-rw-r--r--ffmpeg/libavformat/g729dec.c103
1 files changed, 0 insertions, 103 deletions
diff --git a/ffmpeg/libavformat/g729dec.c b/ffmpeg/libavformat/g729dec.c
deleted file mode 100644
index 794558e..0000000
--- a/ffmpeg/libavformat/g729dec.c
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * G.729 raw format demuxer
- * Copyright (c) 2011 Vladimir Voroshilov
- *
- * 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 "internal.h"
-#include "libavutil/log.h"
-#include "libavutil/opt.h"
-
-typedef struct G729DemuxerContext {
- AVClass *class;
- int bit_rate;
-} G729DemuxerContext;
-
-static int g729_read_header(AVFormatContext *s)
-{
- AVStream* st;
- G729DemuxerContext *s1 = s->priv_data;
-
- 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_G729;
- st->codec->sample_rate = 8000;
- st->codec->channels = 1;
-
- if (s1 && s1->bit_rate) {
- s->bit_rate = s1->bit_rate;
- }
-
- if (s->bit_rate == 0) {
- av_log(s, AV_LOG_DEBUG, "No bitrate specified. Assuming 8000 b/s\n");
- s->bit_rate = 8000;
- }
-
- if (s->bit_rate == 6400) {
- st->codec->block_align = 8;
- } else if (s->bit_rate == 8000) {
- st->codec->block_align = 10;
- } else {
- av_log(s, AV_LOG_ERROR, "Only 8000 b/s and 6400 b/s bitrates are supported. Provided: %d b/s\n", s->bit_rate);
- return AVERROR_INVALIDDATA;
- }
-
- avpriv_set_pts_info(st, st->codec->block_align << 3, 1, st->codec->sample_rate);
- return 0;
-}
-static int g729_read_packet(AVFormatContext *s, AVPacket *pkt)
-{
- int ret;
-
- ret = av_get_packet(s->pb, pkt, s->streams[0]->codec->block_align);
-
- pkt->stream_index = 0;
- if (ret < 0)
- return ret;
-
- pkt->dts = pkt->pts = pkt->pos / s->streams[0]->codec->block_align;
-
- return ret;
-}
-
-static const AVOption g729_options[] = {
- { "bit_rate", "", offsetof(G729DemuxerContext, bit_rate), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
- { NULL },
-};
-
-static const AVClass g729_demuxer_class = {
- .class_name = "g729 demuxer",
- .item_name = av_default_item_name,
- .option = g729_options,
- .version = LIBAVUTIL_VERSION_INT,
-};
-
-AVInputFormat ff_g729_demuxer = {
- .name = "g729",
- .long_name = NULL_IF_CONFIG_SMALL("G.729 raw format demuxer"),
- .priv_data_size = sizeof(G729DemuxerContext),
- .read_header = g729_read_header,
- .read_packet = g729_read_packet,
- .flags = AVFMT_GENERIC_INDEX,
- .extensions = "g729",
- .priv_class = &g729_demuxer_class,
-};