* AU muxer and demuxer
* Copyright (c) 2001 Fabrice Bellard
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
*/
#include "avformat.h"
+#include "avio_internal.h"
#include "pcm.h"
#include "riff.h"
#if CONFIG_AU_MUXER
/* AUDIO_FILE header */
-static int put_au_header(ByteIOContext *pb, AVCodecContext *enc)
+static int put_au_header(AVIOContext *pb, AVCodecContext *enc)
{
if(!enc->codec_tag)
return -1;
- put_tag(pb, ".snd"); /* magic number */
- put_be32(pb, 24); /* header size */
- put_be32(pb, AU_UNKNOWN_SIZE); /* data size */
- put_be32(pb, (uint32_t)enc->codec_tag); /* codec ID */
- put_be32(pb, enc->sample_rate);
- put_be32(pb, (uint32_t)enc->channels);
+ ffio_wfourcc(pb, ".snd"); /* magic number */
+ avio_wb32(pb, 24); /* header size */
+ avio_wb32(pb, AU_UNKNOWN_SIZE); /* data size */
+ avio_wb32(pb, (uint32_t)enc->codec_tag); /* codec ID */
+ avio_wb32(pb, enc->sample_rate);
+ avio_wb32(pb, (uint32_t)enc->channels);
return 0;
}
static int au_write_header(AVFormatContext *s)
{
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
s->priv_data = NULL;
return -1;
}
- put_flush_packet(pb);
+ avio_flush(pb);
return 0;
}
static int au_write_packet(AVFormatContext *s, AVPacket *pkt)
{
- ByteIOContext *pb = s->pb;
- put_buffer(pb, pkt->data, pkt->size);
+ AVIOContext *pb = s->pb;
+ avio_write(pb, pkt->data, pkt->size);
return 0;
}
static int au_write_trailer(AVFormatContext *s)
{
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
int64_t file_size;
if (!url_is_streamed(s->pb)) {
/* update file size */
- file_size = url_ftell(pb);
- url_fseek(pb, 8, SEEK_SET);
- put_be32(pb, (uint32_t)(file_size - 24));
- url_fseek(pb, file_size, SEEK_SET);
+ file_size = avio_tell(pb);
+ avio_seek(pb, 8, SEEK_SET);
+ avio_wb32(pb, (uint32_t)(file_size - 24));
+ avio_seek(pb, file_size, SEEK_SET);
- put_flush_packet(pb);
+ avio_flush(pb);
}
return 0;
{
int size;
unsigned int tag;
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
unsigned int id, channels, rate;
enum CodecID codec;
AVStream *st;
/* check ".snd" header */
- tag = get_le32(pb);
+ tag = avio_rl32(pb);
if (tag != MKTAG('.', 's', 'n', 'd'))
return -1;
- size = get_be32(pb); /* header size */
- get_be32(pb); /* data size */
+ size = avio_rb32(pb); /* header size */
+ avio_rb32(pb); /* data size */
- id = get_be32(pb);
- rate = get_be32(pb);
- channels = get_be32(pb);
+ id = avio_rb32(pb);
+ rate = avio_rb32(pb);
+ channels = avio_rb32(pb);
codec = ff_codec_get_id(codec_au_tags, id);
if (size >= 24) {
/* skip unused data */
- url_fseek(pb, size - 24, SEEK_CUR);
+ avio_skip(pb, size - 24);
}
/* now we are ready: build format streams */
}
#if CONFIG_AU_DEMUXER
-AVInputFormat au_demuxer = {
+AVInputFormat ff_au_demuxer = {
"au",
NULL_IF_CONFIG_SMALL("SUN AU format"),
0,
#endif
#if CONFIG_AU_MUXER
-AVOutputFormat au_muxer = {
+AVOutputFormat ff_au_muxer = {
"au",
NULL_IF_CONFIG_SMALL("SUN AU format"),
"audio/basic",