* Based on libSoX sox-fmt.c
* Copyright (c) 2008 robs@users.sourceforge.net
*
- * 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
*/
/**
- * SoX native format muxer
* @file
+ * SoX native format muxer
* @author Daniel Verkamp
- * @sa http://wiki.multimedia.cx/index.php?title=SoX_native_intermediate_format
+ * @see http://wiki.multimedia.cx/index.php?title=SoX_native_intermediate_format
*/
#include "libavutil/intreadwrite.h"
+#include "libavutil/intfloat.h"
+#include "libavutil/dict.h"
#include "avformat.h"
+#include "avio_internal.h"
#include "sox.h"
-typedef struct {
+typedef struct SoXContext {
int64_t header_size;
} SoXContext;
static int sox_write_header(AVFormatContext *s)
{
SoXContext *sox = s->priv_data;
- ByteIOContext *pb = s->pb;
- AVCodecContext *enc = s->streams[0]->codec;
- AVMetadataTag *comment;
+ AVIOContext *pb = s->pb;
+ AVCodecParameters *par = s->streams[0]->codecpar;
+ AVDictionaryEntry *comment;
size_t comment_len = 0, comment_size;
- comment = av_metadata_get(s->metadata, "comment", NULL, 0);
+ comment = av_dict_get(s->metadata, "comment", NULL, 0);
if (comment)
comment_len = strlen(comment->value);
comment_size = (comment_len + 7) & ~7;
sox->header_size = SOX_FIXED_HDR + comment_size;
- if (enc->codec_id == CODEC_ID_PCM_S32LE) {
- put_tag(pb, ".SoX");
- put_le32(pb, sox->header_size);
- put_le64(pb, 0); /* number of samples */
- put_le64(pb, av_dbl2int(enc->sample_rate));
- put_le32(pb, enc->channels);
- put_le32(pb, comment_size);
- } else if (enc->codec_id == CODEC_ID_PCM_S32BE) {
- put_tag(pb, "XoS.");
- put_be32(pb, sox->header_size);
- put_be64(pb, 0); /* number of samples */
- put_be64(pb, av_dbl2int(enc->sample_rate));
- put_be32(pb, enc->channels);
- put_be32(pb, comment_size);
+ if (par->codec_id == AV_CODEC_ID_PCM_S32LE) {
+ ffio_wfourcc(pb, ".SoX");
+ avio_wl32(pb, sox->header_size);
+ avio_wl64(pb, 0); /* number of samples */
+ avio_wl64(pb, av_double2int(par->sample_rate));
+ avio_wl32(pb, par->channels);
+ avio_wl32(pb, comment_size);
+ } else if (par->codec_id == AV_CODEC_ID_PCM_S32BE) {
+ ffio_wfourcc(pb, "XoS.");
+ avio_wb32(pb, sox->header_size);
+ avio_wb64(pb, 0); /* number of samples */
+ avio_wb64(pb, av_double2int(par->sample_rate));
+ avio_wb32(pb, par->channels);
+ avio_wb32(pb, comment_size);
} else {
av_log(s, AV_LOG_ERROR, "invalid codec; use pcm_s32le or pcm_s32be\n");
return -1;
}
if (comment_len)
- put_buffer(pb, comment->value, comment_len);
+ avio_write(pb, comment->value, comment_len);
for ( ; comment_size > comment_len; comment_len++)
- put_byte(pb, 0);
+ avio_w8(pb, 0);
- put_flush_packet(pb);
+ avio_flush(pb);
return 0;
}
static int sox_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 sox_write_trailer(AVFormatContext *s)
{
SoXContext *sox = s->priv_data;
- ByteIOContext *pb = s->pb;
- AVCodecContext *enc = s->streams[0]->codec;
+ AVIOContext *pb = s->pb;
+ AVCodecParameters *par = s->streams[0]->codecpar;
- if (!url_is_streamed(s->pb)) {
+ if (s->pb->seekable) {
/* update number of samples */
- int64_t file_size = url_ftell(pb);
+ int64_t file_size = avio_tell(pb);
int64_t num_samples = (file_size - sox->header_size - 4LL) >> 2LL;
- url_fseek(pb, 8, SEEK_SET);
- if (enc->codec_id == CODEC_ID_PCM_S32LE) {
- put_le64(pb, num_samples);
+ avio_seek(pb, 8, SEEK_SET);
+ if (par->codec_id == AV_CODEC_ID_PCM_S32LE) {
+ avio_wl64(pb, num_samples);
} else
- put_be64(pb, num_samples);
- url_fseek(pb, file_size, SEEK_SET);
+ avio_wb64(pb, num_samples);
+ avio_seek(pb, file_size, SEEK_SET);
- put_flush_packet(pb);
+ avio_flush(pb);
}
return 0;
}
-AVOutputFormat sox_muxer = {
- "sox",
- NULL_IF_CONFIG_SMALL("SoX native format"),
- NULL,
- "sox",
- sizeof(SoXContext),
- CODEC_ID_PCM_S32LE,
- CODEC_ID_NONE,
- sox_write_header,
- sox_write_packet,
- sox_write_trailer,
+AVOutputFormat ff_sox_muxer = {
+ .name = "sox",
+ .long_name = NULL_IF_CONFIG_SMALL("SoX native"),
+ .extensions = "sox",
+ .priv_data_size = sizeof(SoXContext),
+ .audio_codec = AV_CODEC_ID_PCM_S32LE,
+ .video_codec = AV_CODEC_ID_NONE,
+ .write_header = sox_write_header,
+ .write_packet = sox_write_packet,
+ .write_trailer = sox_write_trailer,
+ .flags = AVFMT_NOTIMESTAMPS,
};