3 * Copyright (c) 2001, 2002 Fabrice Bellard
6 * Copyright (c) 2012 Paul B Mahol
8 * WAV muxer RF64 support
9 * Copyright (c) 2013 Daniel Verkamp <daniel@drv.nu>
11 * EBU Tech 3285 - Supplement 3 - Peak Envelope Chunk encoder
12 * Copyright (c) 2014 Georg Lippitsch <georg.lippitsch@gmx.at>
14 * This file is part of FFmpeg.
16 * FFmpeg is free software; you can redistribute it and/or
17 * modify it under the terms of the GNU Lesser General Public
18 * License as published by the Free Software Foundation; either
19 * version 2.1 of the License, or (at your option) any later version.
21 * FFmpeg is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
24 * Lesser General Public License for more details.
26 * You should have received a copy of the GNU Lesser General Public
27 * License along with FFmpeg; if not, write to the Free Software
28 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
34 #include "libavutil/avstring.h"
35 #include "libavutil/dict.h"
36 #include "libavutil/common.h"
37 #include "libavutil/intreadwrite.h"
38 #include "libavutil/mathematics.h"
39 #include "libavutil/opt.h"
40 #include "libavutil/time.h"
41 #include "libavutil/time_internal.h"
45 #include "avio_internal.h"
49 #define RF64_AUTO (-1)
53 #define PEAK_BUFFER_SIZE 1024
62 PEAK_FORMAT_UINT8
= 1,
66 typedef struct WAVMuxContext
{
73 int16_t *peak_maxpos
, *peak_maxneg
;
74 uint32_t peak_num_frames
;
75 uint32_t peak_outbuf_size
;
76 uint32_t peak_outbuf_bytes
;
77 uint32_t peak_pos_pop
;
85 PeakFormat peak_format
;
92 static inline void bwf_write_bext_string(AVFormatContext
*s
, const char *key
, int maxlen
)
94 AVDictionaryEntry
*tag
;
97 if (tag
= av_dict_get(s
->metadata
, key
, NULL
, 0)) {
98 len
= strlen(tag
->value
);
99 len
= FFMIN(len
, maxlen
);
100 avio_write(s
->pb
, tag
->value
, len
);
103 ffio_fill(s
->pb
, 0, maxlen
- len
);
106 static void bwf_write_bext_chunk(AVFormatContext
*s
)
108 AVDictionaryEntry
*tmp_tag
;
109 uint64_t time_reference
= 0;
110 int64_t bext
= ff_start_tag(s
->pb
, "bext");
112 bwf_write_bext_string(s
, "description", 256);
113 bwf_write_bext_string(s
, "originator", 32);
114 bwf_write_bext_string(s
, "originator_reference", 32);
115 bwf_write_bext_string(s
, "origination_date", 10);
116 bwf_write_bext_string(s
, "origination_time", 8);
118 if (tmp_tag
= av_dict_get(s
->metadata
, "time_reference", NULL
, 0))
119 time_reference
= strtoll(tmp_tag
->value
, NULL
, 10);
120 avio_wl64(s
->pb
, time_reference
);
121 avio_wl16(s
->pb
, 1); // set version to 1
123 if (tmp_tag
= av_dict_get(s
->metadata
, "umid", NULL
, 0)) {
124 unsigned char umidpart_str
[17] = {0};
127 int len
= strlen(tmp_tag
->value
+2);
129 for (i
= 0; i
< len
/16; i
++) {
130 memcpy(umidpart_str
, tmp_tag
->value
+ 2 + (i
*16), 16);
131 umidpart
= strtoll(umidpart_str
, NULL
, 16);
132 avio_wb64(s
->pb
, umidpart
);
134 ffio_fill(s
->pb
, 0, 64 - i
*8);
136 ffio_fill(s
->pb
, 0, 64); // zero UMID
138 ffio_fill(s
->pb
, 0, 190); // Reserved
140 if (tmp_tag
= av_dict_get(s
->metadata
, "coding_history", NULL
, 0))
141 avio_put_str(s
->pb
, tmp_tag
->value
);
143 ff_end_tag(s
->pb
, bext
);
146 static av_cold
void peak_free_buffers(AVFormatContext
*s
)
148 WAVMuxContext
*wav
= s
->priv_data
;
150 av_freep(&wav
->peak_maxpos
);
151 av_freep(&wav
->peak_maxneg
);
152 av_freep(&wav
->peak_output
);
155 static av_cold
int peak_init_writer(AVFormatContext
*s
)
157 WAVMuxContext
*wav
= s
->priv_data
;
158 AVCodecContext
*enc
= s
->streams
[0]->codec
;
160 if (enc
->codec_id
!= AV_CODEC_ID_PCM_S8
&&
161 enc
->codec_id
!= AV_CODEC_ID_PCM_S16LE
&&
162 enc
->codec_id
!= AV_CODEC_ID_PCM_U8
&&
163 enc
->codec_id
!= AV_CODEC_ID_PCM_U16LE
) {
164 av_log(s
, AV_LOG_ERROR
, "%s codec not supported for Peak Chunk\n",
165 s
->streams
[0]->codec
->codec
? s
->streams
[0]->codec
->codec
->name
: "NONE");
169 wav
->peak_bps
= av_get_bits_per_sample(enc
->codec_id
) / 8;
171 if (wav
->peak_bps
== 1 && wav
->peak_format
== PEAK_FORMAT_UINT16
) {
172 av_log(s
, AV_LOG_ERROR
,
173 "Writing 16 bit peak for 8 bit audio does not make sense\n");
174 return AVERROR(EINVAL
);
177 wav
->peak_maxpos
= av_mallocz_array(enc
->channels
, sizeof(*wav
->peak_maxpos
));
178 wav
->peak_maxneg
= av_mallocz_array(enc
->channels
, sizeof(*wav
->peak_maxneg
));
179 wav
->peak_output
= av_malloc(PEAK_BUFFER_SIZE
);
180 if (!wav
->peak_maxpos
|| !wav
->peak_maxneg
|| !wav
->peak_output
)
183 wav
->peak_outbuf_size
= PEAK_BUFFER_SIZE
;
188 av_log(s
, AV_LOG_ERROR
, "Out of memory\n");
189 peak_free_buffers(s
);
190 return AVERROR(ENOMEM
);
193 static void peak_write_frame(AVFormatContext
*s
)
195 WAVMuxContext
*wav
= s
->priv_data
;
196 AVCodecContext
*enc
= s
->streams
[0]->codec
;
200 if (!wav
->peak_output
)
203 for (c
= 0; c
< enc
->channels
; c
++) {
204 wav
->peak_maxneg
[c
] = -wav
->peak_maxneg
[c
];
206 if (wav
->peak_bps
== 2 && wav
->peak_format
== PEAK_FORMAT_UINT8
) {
207 wav
->peak_maxpos
[c
] = wav
->peak_maxpos
[c
] / 256;
208 wav
->peak_maxneg
[c
] = wav
->peak_maxneg
[c
] / 256;
211 if (wav
->peak_ppv
== 1)
212 wav
->peak_maxpos
[c
] =
213 FFMAX(wav
->peak_maxpos
[c
], wav
->peak_maxneg
[c
]);
215 peak_of_peaks
= FFMAX3(wav
->peak_maxpos
[c
], wav
->peak_maxneg
[c
],
217 if (peak_of_peaks
> wav
->peak_pop
)
218 wav
->peak_pos_pop
= wav
->peak_num_frames
;
219 wav
->peak_pop
= peak_of_peaks
;
221 if (wav
->peak_outbuf_size
- wav
->peak_outbuf_bytes
<
222 wav
->peak_format
* wav
->peak_ppv
) {
223 wav
->peak_outbuf_size
+= PEAK_BUFFER_SIZE
;
224 wav
->peak_output
= av_realloc(wav
->peak_output
,
225 wav
->peak_outbuf_size
);
226 if (!wav
->peak_output
) {
227 av_log(s
, AV_LOG_ERROR
, "No memory for peak data\n");
232 if (wav
->peak_format
== PEAK_FORMAT_UINT8
) {
233 wav
->peak_output
[wav
->peak_outbuf_bytes
++] =
235 if (wav
->peak_ppv
== 2) {
236 wav
->peak_output
[wav
->peak_outbuf_bytes
++] =
240 AV_WL16(wav
->peak_output
+ wav
->peak_outbuf_bytes
,
241 wav
->peak_maxpos
[c
]);
242 wav
->peak_outbuf_bytes
+= 2;
243 if (wav
->peak_ppv
== 2) {
244 AV_WL16(wav
->peak_output
+ wav
->peak_outbuf_bytes
,
245 wav
->peak_maxneg
[c
]);
246 wav
->peak_outbuf_bytes
+= 2;
249 wav
->peak_maxpos
[c
] = 0;
250 wav
->peak_maxneg
[c
] = 0;
252 wav
->peak_num_frames
++;
255 static void peak_write_chunk(AVFormatContext
*s
)
257 WAVMuxContext
*wav
= s
->priv_data
;
258 AVIOContext
*pb
= s
->pb
;
259 AVCodecContext
*enc
= s
->streams
[0]->codec
;
260 int64_t peak
= ff_start_tag(s
->pb
, "levl");
265 /* Peak frame of incomplete block at end */
266 if (wav
->peak_block_pos
)
269 memset(timestamp
, 0, sizeof(timestamp
));
270 if (!(s
->flags
& AVFMT_FLAG_BITEXACT
)) {
272 av_log(s
, AV_LOG_INFO
, "Writing local time and date to Peak Envelope Chunk\n");
274 now_secs
= now0
/ 1000000;
275 strftime(timestamp
, sizeof(timestamp
), "%Y:%m:%d:%H:%M:%S:", localtime_r(&now_secs
, &tmpbuf
));
276 av_strlcatf(timestamp
, sizeof(timestamp
), "%03d", (int)((now0
/ 1000) % 1000));
279 avio_wl32(pb
, 1); /* version */
280 avio_wl32(pb
, wav
->peak_format
); /* 8 or 16 bit */
281 avio_wl32(pb
, wav
->peak_ppv
); /* positive and negative */
282 avio_wl32(pb
, wav
->peak_block_size
); /* frames per value */
283 avio_wl32(pb
, enc
->channels
); /* number of channels */
284 avio_wl32(pb
, wav
->peak_num_frames
); /* number of peak frames */
285 avio_wl32(pb
, wav
->peak_pos_pop
); /* audio sample frame index */
286 avio_wl32(pb
, 128); /* equal to size of header */
287 avio_write(pb
, timestamp
, 28); /* ASCII time stamp */
288 ffio_fill(pb
, 0, 60);
290 avio_write(pb
, wav
->peak_output
, wav
->peak_outbuf_bytes
);
292 ff_end_tag(pb
, peak
);
298 static int wav_write_header(AVFormatContext
*s
)
300 WAVMuxContext
*wav
= s
->priv_data
;
301 AVIOContext
*pb
= s
->pb
;
304 if (s
->nb_streams
!= 1) {
305 av_log(s
, AV_LOG_ERROR
, "WAVE files have exactly one stream\n");
306 return AVERROR(EINVAL
);
309 if (wav
->rf64
== RF64_ALWAYS
) {
310 ffio_wfourcc(pb
, "RF64");
311 avio_wl32(pb
, -1); /* RF64 chunk size: use size in ds64 */
313 ffio_wfourcc(pb
, "RIFF");
314 avio_wl32(pb
, -1); /* file length */
317 ffio_wfourcc(pb
, "WAVE");
319 if (wav
->rf64
!= RF64_NEVER
) {
320 /* write empty ds64 chunk or JUNK chunk to reserve space for ds64 */
321 ffio_wfourcc(pb
, wav
->rf64
== RF64_ALWAYS
? "ds64" : "JUNK");
322 avio_wl32(pb
, 28); /* chunk size */
323 wav
->ds64
= avio_tell(pb
);
324 ffio_fill(pb
, 0, 28);
327 if (wav
->write_peak
!= 2) {
329 fmt
= ff_start_tag(pb
, "fmt ");
330 if (ff_put_wav_header(pb
, s
->streams
[0]->codec
, 0) < 0) {
331 const AVCodecDescriptor
*desc
= avcodec_descriptor_get(s
->streams
[0]->codec
->codec_id
);
332 av_log(s
, AV_LOG_ERROR
, "%s codec not supported in WAVE format\n",
333 desc
? desc
->name
: "unknown");
334 return AVERROR(ENOSYS
);
339 if (s
->streams
[0]->codec
->codec_tag
!= 0x01 /* hence for all other than PCM */
340 && s
->pb
->seekable
) {
341 wav
->fact_pos
= ff_start_tag(pb
, "fact");
343 ff_end_tag(pb
, wav
->fact_pos
);
347 bwf_write_bext_chunk(s
);
349 if (wav
->write_peak
) {
351 if ((ret
= peak_init_writer(s
)) < 0)
355 avpriv_set_pts_info(s
->streams
[0], 64, 1, s
->streams
[0]->codec
->sample_rate
);
356 wav
->maxpts
= wav
->last_duration
= 0;
357 wav
->minpts
= INT64_MAX
;
359 if (wav
->write_peak
!= 2) {
361 ff_riff_write_info(s
);
364 wav
->data
= ff_start_tag(pb
, "data");
372 static int wav_write_packet(AVFormatContext
*s
, AVPacket
*pkt
)
374 AVIOContext
*pb
= s
->pb
;
375 WAVMuxContext
*wav
= s
->priv_data
;
377 if (wav
->write_peak
!= 2)
378 avio_write(pb
, pkt
->data
, pkt
->size
);
380 if (wav
->write_peak
) {
383 for (i
= 0; i
< pkt
->size
; i
+= wav
->peak_bps
) {
384 if (wav
->peak_bps
== 1) {
385 wav
->peak_maxpos
[c
] = FFMAX(wav
->peak_maxpos
[c
], *(int8_t*)(pkt
->data
+ i
));
386 wav
->peak_maxneg
[c
] = FFMIN(wav
->peak_maxneg
[c
], *(int8_t*)(pkt
->data
+ i
));
388 wav
->peak_maxpos
[c
] = FFMAX(wav
->peak_maxpos
[c
], (int16_t)AV_RL16(pkt
->data
+ i
));
389 wav
->peak_maxneg
[c
] = FFMIN(wav
->peak_maxneg
[c
], (int16_t)AV_RL16(pkt
->data
+ i
));
391 if (++c
== s
->streams
[0]->codec
->channels
) {
393 if (++wav
->peak_block_pos
== wav
->peak_block_size
) {
395 wav
->peak_block_pos
= 0;
401 if(pkt
->pts
!= AV_NOPTS_VALUE
) {
402 wav
->minpts
= FFMIN(wav
->minpts
, pkt
->pts
);
403 wav
->maxpts
= FFMAX(wav
->maxpts
, pkt
->pts
);
404 wav
->last_duration
= pkt
->duration
;
406 av_log(s
, AV_LOG_ERROR
, "wav_write_packet: NOPTS\n");
410 static int wav_write_trailer(AVFormatContext
*s
)
412 AVIOContext
*pb
= s
->pb
;
413 WAVMuxContext
*wav
= s
->priv_data
;
414 int64_t file_size
, data_size
;
415 int64_t number_of_samples
= 0;
420 if (s
->pb
->seekable
) {
421 if (wav
->write_peak
!= 2) {
422 ff_end_tag(pb
, wav
->data
);
426 if (wav
->write_peak
&& wav
->peak_output
) {
431 /* update file size */
432 file_size
= avio_tell(pb
);
433 data_size
= file_size
- wav
->data
;
434 if (wav
->rf64
== RF64_ALWAYS
|| (wav
->rf64
== RF64_AUTO
&& file_size
- 8 > UINT32_MAX
)) {
437 avio_seek(pb
, 4, SEEK_SET
);
438 avio_wl32(pb
, (uint32_t)(file_size
- 8));
439 avio_seek(pb
, file_size
, SEEK_SET
);
444 number_of_samples
= av_rescale(wav
->maxpts
- wav
->minpts
+ wav
->last_duration
,
445 s
->streams
[0]->codec
->sample_rate
* (int64_t)s
->streams
[0]->time_base
.num
,
446 s
->streams
[0]->time_base
.den
);
448 if(s
->streams
[0]->codec
->codec_tag
!= 0x01) {
449 /* Update num_samps in fact chunk */
450 avio_seek(pb
, wav
->fact_pos
, SEEK_SET
);
451 if (rf64
|| (wav
->rf64
== RF64_AUTO
&& number_of_samples
> UINT32_MAX
)) {
455 avio_wl32(pb
, number_of_samples
);
456 avio_seek(pb
, file_size
, SEEK_SET
);
462 /* overwrite RIFF with RF64 */
463 avio_seek(pb
, 0, SEEK_SET
);
464 ffio_wfourcc(pb
, "RF64");
467 /* write ds64 chunk (overwrite JUNK if rf64 == RF64_AUTO) */
468 avio_seek(pb
, wav
->ds64
- 8, SEEK_SET
);
469 ffio_wfourcc(pb
, "ds64");
470 avio_wl32(pb
, 28); /* ds64 chunk size */
471 avio_wl64(pb
, file_size
- 8); /* RF64 chunk size */
472 avio_wl64(pb
, data_size
); /* data chunk size */
473 avio_wl64(pb
, number_of_samples
); /* fact chunk number of samples */
474 avio_wl32(pb
, 0); /* number of table entries for non-'data' chunks */
476 /* write -1 in data chunk size */
477 avio_seek(pb
, wav
->data
- 4, SEEK_SET
);
480 avio_seek(pb
, file_size
, SEEK_SET
);
486 peak_free_buffers(s
);
491 #define OFFSET(x) offsetof(WAVMuxContext, x)
492 #define ENC AV_OPT_FLAG_ENCODING_PARAM
493 static const AVOption options
[] = {
494 { "write_bext", "Write BEXT chunk.", OFFSET(write_bext
), AV_OPT_TYPE_INT
, { .i64
= 0 }, 0, 1, ENC
},
495 { "write_peak", "Write Peak Envelope chunk.", OFFSET(write_peak
), AV_OPT_TYPE_INT
, { .i64
= 0 }, 0, 2, ENC
, "peak" },
496 { "off", "Do not write peak chunk.", 0, AV_OPT_TYPE_CONST
, { .i64
= PEAK_OFF
}, 0, 0, ENC
, "peak" },
497 { "on", "Append peak chunk after wav data.", 0, AV_OPT_TYPE_CONST
, { .i64
= PEAK_ON
}, 0, 0, ENC
, "peak" },
498 { "only", "Write only peak chunk, omit wav data.", 0, AV_OPT_TYPE_CONST
, { .i64
= PEAK_ONLY
}, 0, 0, ENC
, "peak" },
499 { "rf64", "Use RF64 header rather than RIFF for large files.", OFFSET(rf64
), AV_OPT_TYPE_INT
, { .i64
= RF64_NEVER
},-1, 1, ENC
, "rf64" },
500 { "auto", "Write RF64 header if file grows large enough.", 0, AV_OPT_TYPE_CONST
, { .i64
= RF64_AUTO
}, 0, 0, ENC
, "rf64" },
501 { "always", "Always write RF64 header regardless of file size.", 0, AV_OPT_TYPE_CONST
, { .i64
= RF64_ALWAYS
}, 0, 0, ENC
, "rf64" },
502 { "never", "Never write RF64 header regardless of file size.", 0, AV_OPT_TYPE_CONST
, { .i64
= RF64_NEVER
}, 0, 0, ENC
, "rf64" },
503 { "peak_block_size", "Number of audio samples used to generate each peak frame.", OFFSET(peak_block_size
), AV_OPT_TYPE_INT
, { .i64
= 256 }, 0, 65536, ENC
},
504 { "peak_format", "The format of the peak envelope data (1: uint8, 2: uint16).", OFFSET(peak_format
), AV_OPT_TYPE_INT
, { .i64
= PEAK_FORMAT_UINT16
}, PEAK_FORMAT_UINT8
, PEAK_FORMAT_UINT16
, ENC
},
505 { "peak_ppv", "Number of peak points per peak value (1 or 2).", OFFSET(peak_ppv
), AV_OPT_TYPE_INT
, { .i64
= 2 }, 1, 2, ENC
},
509 static const AVClass wav_muxer_class
= {
510 .class_name
= "WAV muxer",
511 .item_name
= av_default_item_name
,
513 .version
= LIBAVUTIL_VERSION_INT
,
516 AVOutputFormat ff_wav_muxer
= {
518 .long_name
= NULL_IF_CONFIG_SMALL("WAV / WAVE (Waveform Audio)"),
519 .mime_type
= "audio/x-wav",
521 .priv_data_size
= sizeof(WAVMuxContext
),
522 .audio_codec
= AV_CODEC_ID_PCM_S16LE
,
523 .video_codec
= AV_CODEC_ID_NONE
,
524 .write_header
= wav_write_header
,
525 .write_packet
= wav_write_packet
,
526 .write_trailer
= wav_write_trailer
,
527 .flags
= AVFMT_TS_NONSTRICT
,
528 .codec_tag
= (const AVCodecTag
* const []){ ff_codec_wav_tags
, 0 },
529 .priv_class
= &wav_muxer_class
,
531 #endif /* CONFIG_WAV_MUXER */
536 static void start_guid(AVIOContext
*pb
, const uint8_t *guid
, int64_t *pos
)
538 *pos
= avio_tell(pb
);
540 avio_write(pb
, guid
, 16);
541 avio_wl64(pb
, INT64_MAX
);
544 static void end_guid(AVIOContext
*pb
, int64_t start
)
546 int64_t end
, pos
= avio_tell(pb
);
548 end
= FFALIGN(pos
, 8);
549 ffio_fill(pb
, 0, end
- pos
);
550 avio_seek(pb
, start
+ 16, SEEK_SET
);
551 avio_wl64(pb
, end
- start
);
552 avio_seek(pb
, end
, SEEK_SET
);
555 static int w64_write_header(AVFormatContext
*s
)
557 WAVMuxContext
*wav
= s
->priv_data
;
558 AVIOContext
*pb
= s
->pb
;
562 avio_write(pb
, ff_w64_guid_riff
, sizeof(ff_w64_guid_riff
));
564 avio_write(pb
, ff_w64_guid_wave
, sizeof(ff_w64_guid_wave
));
565 start_guid(pb
, ff_w64_guid_fmt
, &start
);
566 if ((ret
= ff_put_wav_header(pb
, s
->streams
[0]->codec
, 0)) < 0) {
567 av_log(s
, AV_LOG_ERROR
, "%s codec not supported\n",
568 s
->streams
[0]->codec
->codec
? s
->streams
[0]->codec
->codec
->name
: "NONE");
573 if (s
->streams
[0]->codec
->codec_tag
!= 0x01 /* hence for all other than PCM */
574 && s
->pb
->seekable
) {
575 start_guid(pb
, ff_w64_guid_fact
, &wav
->fact_pos
);
577 end_guid(pb
, wav
->fact_pos
);
580 start_guid(pb
, ff_w64_guid_data
, &wav
->data
);
585 static int w64_write_trailer(AVFormatContext
*s
)
587 AVIOContext
*pb
= s
->pb
;
588 WAVMuxContext
*wav
= s
->priv_data
;
592 end_guid(pb
, wav
->data
);
594 file_size
= avio_tell(pb
);
595 avio_seek(pb
, 16, SEEK_SET
);
596 avio_wl64(pb
, file_size
);
598 if (s
->streams
[0]->codec
->codec_tag
!= 0x01) {
599 int64_t number_of_samples
;
601 number_of_samples
= av_rescale(wav
->maxpts
- wav
->minpts
+ wav
->last_duration
,
602 s
->streams
[0]->codec
->sample_rate
* (int64_t)s
->streams
[0]->time_base
.num
,
603 s
->streams
[0]->time_base
.den
);
604 avio_seek(pb
, wav
->fact_pos
+ 24, SEEK_SET
);
605 avio_wl64(pb
, number_of_samples
);
608 avio_seek(pb
, file_size
, SEEK_SET
);
615 AVOutputFormat ff_w64_muxer
= {
617 .long_name
= NULL_IF_CONFIG_SMALL("Sony Wave64"),
619 .priv_data_size
= sizeof(WAVMuxContext
),
620 .audio_codec
= AV_CODEC_ID_PCM_S16LE
,
621 .video_codec
= AV_CODEC_ID_NONE
,
622 .write_header
= w64_write_header
,
623 .write_packet
= wav_write_packet
,
624 .write_trailer
= w64_write_trailer
,
625 .flags
= AVFMT_TS_NONSTRICT
,
626 .codec_tag
= (const AVCodecTag
* const []){ ff_codec_wav_tags
, 0 },
628 #endif /* CONFIG_W64_MUXER */