ast: Rename ast.c -> astdec.c

Signed-off-by: James Almer <jamrial@gmail.com>

1 files changed, 0 insertions, 127 deletions

diff --git a/libavformat/ast.c b/libavformat/ast.c
deleted file mode 100644
index 5f69f47d44..0000000000
--- a/libavformat/ast.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * AST demuxer
- * Copyright (c) 2012 Paul B Mahol
- *
- * 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/channel_layout.h"
-#include "libavutil/intreadwrite.h"
-#include "avformat.h"
-#include "internal.h"
-
-static int ast_probe(AVProbeData *p)
-{
-    if (AV_RL32(p->buf) == MKTAG('S','T','R','M') &&
-        AV_RB16(p->buf + 10) &&
-        AV_RB16(p->buf + 12) &&
-        AV_RB32(p->buf + 16))
-        return AVPROBE_SCORE_MAX / 3 * 2;
-    return 0;
-}
-
-static int ast_read_header(AVFormatContext *s)
-{
-    int codec, depth;
-    AVStream *st;
-
-    st = avformat_new_stream(s, NULL);
-    if (!st)
-        return AVERROR(ENOMEM);
-
-    avio_skip(s->pb, 8);
-    codec = avio_rb16(s->pb);
-    switch (codec) {
-    case 0:
-        st->codec->codec_id = AV_CODEC_ID_ADPCM_AFC;
-        break;
-    case 1:
-        st->codec->codec_id = AV_CODEC_ID_PCM_S16BE_PLANAR;
-        break;
-    default:
-        av_log(s, AV_LOG_ERROR, "unsupported codec %d\n", codec);
-    }
-
-    depth = avio_rb16(s->pb);
-    if (depth != 16) {
-        av_log_ask_for_sample(s, "unsupported depth %d\n", depth);
-        return AVERROR_INVALIDDATA;
-    }
-
-    st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
-    st->codec->channels = avio_rb16(s->pb);
-    if (!st->codec->channels)
-        return AVERROR_INVALIDDATA;
-
-    if (st->codec->channels == 2)
-        st->codec->channel_layout = AV_CH_LAYOUT_STEREO;
-    else if (st->codec->channels == 4)
-        st->codec->channel_layout = AV_CH_LAYOUT_4POINT0;
-
-    avio_skip(s->pb, 2);
-    st->codec->sample_rate = avio_rb32(s->pb);
-    if (st->codec->sample_rate <= 0)
-        return AVERROR_INVALIDDATA;
-    st->start_time         = 0;
-    st->duration           = avio_rb32(s->pb);
-    avio_skip(s->pb, 40);
-    avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
-
-    return 0;
-}
-
-static int ast_read_packet(AVFormatContext *s, AVPacket *pkt)
-{
-    uint32_t type, size;
-    int64_t pos;
-    int ret;
-
-    if (url_feof(s->pb))
-        return AVERROR_EOF;
-
-    pos  = avio_tell(s->pb);
-    type = avio_rl32(s->pb);
-    size = avio_rb32(s->pb);
-    if (size > INT_MAX / s->streams[0]->codec->channels)
-        return AVERROR_INVALIDDATA;
-
-    size *= s->streams[0]->codec->channels;
-    if ((ret = avio_skip(s->pb, 24)) < 0) // padding
-        return ret;
-
-    if (type == MKTAG('B','L','C','K')) {
-        ret = av_get_packet(s->pb, pkt, size);
-        pkt->stream_index = 0;
-        pkt->pos = pos;
-    } else {
-        av_log(s, AV_LOG_ERROR, "unknown chunk %x\n", type);
-        avio_skip(s->pb, size);
-        ret = AVERROR_INVALIDDATA;
-    }
-
-    return ret;
-}
-
-AVInputFormat ff_ast_demuxer = {
-    .name           = "ast",
-    .long_name      = NULL_IF_CONFIG_SMALL("AST (Audio Stream)"),
-    .read_probe     = ast_probe,
-    .read_header    = ast_read_header,
-    .read_packet    = ast_read_packet,
-    .extensions     = "ast",
-    .flags          = AVFMT_GENERIC_INDEX,
-};