* Creative Voice File muxer.
* Copyright (c) 2006 Aurelien Jacobs <aurel@gnuage.org>
*
- * 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 "voc.h"
+#include "internal.h"
typedef struct voc_enc_context {
int param_written;
-} voc_enc_context_t;
+} VocEncContext;
static int voc_write_header(AVFormatContext *s)
{
- ByteIOContext *pb = &s->pb;
+ AVIOContext *pb = s->pb;
const int header_size = 26;
const int version = 0x0114;
if (s->nb_streams != 1
- || s->streams[0]->codec->codec_type != CODEC_TYPE_AUDIO)
- return AVERROR_NOTSUPP;
+ || s->streams[0]->codec->codec_type != AVMEDIA_TYPE_AUDIO)
+ return AVERROR_PATCHWELCOME;
- put_buffer(pb, voc_magic, sizeof(voc_magic) - 1);
- put_le16(pb, header_size);
- put_le16(pb, version);
- put_le16(pb, ~version + 0x1234);
+ avio_write(pb, ff_voc_magic, sizeof(ff_voc_magic) - 1);
+ avio_wl16(pb, header_size);
+ avio_wl16(pb, version);
+ avio_wl16(pb, ~version + 0x1234);
return 0;
}
static int voc_write_packet(AVFormatContext *s, AVPacket *pkt)
{
- voc_enc_context_t *voc = s->priv_data;
+ VocEncContext *voc = s->priv_data;
AVCodecContext *enc = s->streams[0]->codec;
- ByteIOContext *pb = &s->pb;
+ AVIOContext *pb = s->pb;
if (!voc->param_written) {
if (enc->codec_tag > 0xFF) {
- put_byte(pb, VOC_TYPE_NEW_VOICE_DATA);
- put_le24(pb, pkt->size + 12);
- put_le32(pb, enc->sample_rate);
- put_byte(pb, enc->bits_per_sample);
- put_byte(pb, enc->channels);
- put_le16(pb, enc->codec_tag);
- put_le32(pb, 0);
+ avio_w8(pb, VOC_TYPE_NEW_VOICE_DATA);
+ avio_wl24(pb, pkt->size + 12);
+ avio_wl32(pb, enc->sample_rate);
+ avio_w8(pb, enc->bits_per_coded_sample);
+ avio_w8(pb, enc->channels);
+ avio_wl16(pb, enc->codec_tag);
+ avio_wl32(pb, 0);
} else {
if (s->streams[0]->codec->channels > 1) {
- put_byte(pb, VOC_TYPE_EXTENDED);
- put_le24(pb, 4);
- put_le16(pb, 65536-256000000/(enc->sample_rate*enc->channels));
- put_byte(pb, enc->codec_tag);
- put_byte(pb, enc->channels - 1);
+ avio_w8(pb, VOC_TYPE_EXTENDED);
+ avio_wl24(pb, 4);
+ avio_wl16(pb, 65536-256000000/(enc->sample_rate*enc->channels));
+ avio_w8(pb, enc->codec_tag);
+ avio_w8(pb, enc->channels - 1);
}
- put_byte(pb, VOC_TYPE_VOICE_DATA);
- put_le24(pb, pkt->size + 2);
- put_byte(pb, 256 - 1000000 / enc->sample_rate);
- put_byte(pb, enc->codec_tag);
+ avio_w8(pb, VOC_TYPE_VOICE_DATA);
+ avio_wl24(pb, pkt->size + 2);
+ avio_w8(pb, 256 - 1000000 / enc->sample_rate);
+ avio_w8(pb, enc->codec_tag);
}
voc->param_written = 1;
} else {
- put_byte(pb, VOC_TYPE_VOICE_DATA_CONT);
- put_le24(pb, pkt->size);
+ avio_w8(pb, VOC_TYPE_VOICE_DATA_CONT);
+ avio_wl24(pb, pkt->size);
}
- put_buffer(pb, pkt->data, pkt->size);
+ avio_write(pb, pkt->data, pkt->size);
return 0;
}
static int voc_write_trailer(AVFormatContext *s)
{
- put_byte(&s->pb, 0);
+ avio_w8(s->pb, 0);
return 0;
}
-AVOutputFormat voc_muxer = {
- "voc",
- "Creative Voice File format",
- "audio/x-voc",
- "voc",
- sizeof(voc_enc_context_t),
- CODEC_ID_PCM_U8,
- CODEC_ID_NONE,
- voc_write_header,
- voc_write_packet,
- voc_write_trailer,
- .codec_tag=(const AVCodecTag*[]){voc_codec_tags, 0},
+AVOutputFormat ff_voc_muxer = {
+ .name = "voc",
+ .long_name = NULL_IF_CONFIG_SMALL("Creative Voice file format"),
+ .mime_type = "audio/x-voc",
+ .extensions = "voc",
+ .priv_data_size = sizeof(VocEncContext),
+ .audio_codec = CODEC_ID_PCM_U8,
+ .video_codec = CODEC_ID_NONE,
+ .write_header = voc_write_header,
+ .write_packet = voc_write_packet,
+ .write_trailer = voc_write_trailer,
+ .codec_tag = (const AVCodecTag* const []){ ff_voc_codec_tags, 0 },
};