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-rw-r--r--libavformat/wavenc.c465
1 files changed, 435 insertions, 30 deletions
diff --git a/libavformat/wavenc.c b/libavformat/wavenc.c
index 25f6ffcde0..c73c9009d5 100644
--- a/libavformat/wavenc.c
+++ b/libavformat/wavenc.c
@@ -2,30 +2,42 @@
* WAV muxer
* Copyright (c) 2001, 2002 Fabrice Bellard
*
- * This file is part of Libav.
+ * Sony Wave64 muxer
+ * Copyright (c) 2012 Paul B Mahol
*
- * Libav is free software; you can redistribute it and/or
+ * WAV muxer RF64 support
+ * Copyright (c) 2013 Daniel Verkamp <daniel@drv.nu>
+ *
+ * EBU Tech 3285 - Supplement 3 - Peak Envelope Chunk encoder
+ * Copyright (c) 2014 Georg Lippitsch <georg.lippitsch@gmx.at>
+ *
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include <string.h>
+#include "libavutil/avstring.h"
#include "libavutil/dict.h"
#include "libavutil/common.h"
+#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
+#include "libavutil/time.h"
#include "avformat.h"
#include "avio.h"
@@ -33,16 +45,49 @@
#include "internal.h"
#include "riff.h"
+#define RF64_AUTO (-1)
+#define RF64_NEVER 0
+#define RF64_ALWAYS 1
+
+#define PEAK_BUFFER_SIZE 1024
+
+typedef enum {
+ PEAK_OFF = 0,
+ PEAK_ON,
+ PEAK_ONLY
+} PeakType;
+
+typedef enum {
+ PEAK_FORMAT_UINT8 = 1,
+ PEAK_FORMAT_UINT16
+} PeakFormat;
+
typedef struct WAVMuxContext {
const AVClass *class;
int64_t data;
int64_t fact_pos;
+ int64_t ds64;
int64_t minpts;
int64_t maxpts;
+ int16_t *peak_maxpos, *peak_maxneg;
+ uint32_t peak_num_frames;
+ uint32_t peak_outbuf_size;
+ uint32_t peak_outbuf_bytes;
+ uint32_t peak_pos_pop;
+ uint16_t peak_pop;
+ uint8_t *peak_output;
int last_duration;
int write_bext;
+ int write_peak;
+ int rf64;
+ int peak_block_size;
+ PeakFormat peak_format;
+ int peak_block_pos;
+ int peak_ppv;
+ int peak_bps;
} WAVMuxContext;
+#if CONFIG_WAV_MUXER
static inline void bwf_write_bext_string(AVFormatContext *s, const char *key, int maxlen)
{
AVDictionaryEntry *tag;
@@ -97,25 +142,197 @@ static void bwf_write_bext_chunk(AVFormatContext *s)
ff_end_tag(s->pb, bext);
}
+static av_cold void peak_free_buffers(AVFormatContext *s)
+{
+ WAVMuxContext *wav = s->priv_data;
+
+ av_freep(&wav->peak_maxpos);
+ av_freep(&wav->peak_maxneg);
+ av_freep(&wav->peak_output);
+}
+
+static av_cold int peak_init_writer(AVFormatContext *s)
+{
+ WAVMuxContext *wav = s->priv_data;
+ AVCodecContext *enc = s->streams[0]->codec;
+
+ if (enc->codec_id != AV_CODEC_ID_PCM_S8 &&
+ enc->codec_id != AV_CODEC_ID_PCM_S16LE &&
+ enc->codec_id != AV_CODEC_ID_PCM_U8 &&
+ enc->codec_id != AV_CODEC_ID_PCM_U16LE) {
+ av_log(s, AV_LOG_ERROR, "%s codec not supported for Peak Chunk\n",
+ s->streams[0]->codec->codec ? s->streams[0]->codec->codec->name : "NONE");
+ return -1;
+ }
+
+ wav->peak_bps = av_get_bits_per_sample(enc->codec_id) / 8;
+
+ if (wav->peak_bps == 1 && wav->peak_format == PEAK_FORMAT_UINT16) {
+ av_log(s, AV_LOG_ERROR,
+ "Writing 16 bit peak for 8 bit audio does not make sense\n");
+ return AVERROR(EINVAL);
+ }
+
+ wav->peak_maxpos = av_mallocz_array(enc->channels, sizeof(*wav->peak_maxpos));
+ wav->peak_maxneg = av_mallocz_array(enc->channels, sizeof(*wav->peak_maxneg));
+ wav->peak_output = av_malloc(PEAK_BUFFER_SIZE);
+ if (!wav->peak_maxpos || !wav->peak_maxneg || !wav->peak_output)
+ goto nomem;
+
+ wav->peak_outbuf_size = PEAK_BUFFER_SIZE;
+
+ return 0;
+
+nomem:
+ av_log(s, AV_LOG_ERROR, "Out of memory\n");
+ peak_free_buffers(s);
+ return AVERROR(ENOMEM);
+}
+
+static void peak_write_frame(AVFormatContext *s)
+{
+ WAVMuxContext *wav = s->priv_data;
+ AVCodecContext *enc = s->streams[0]->codec;
+ int peak_of_peaks;
+ int c;
+
+ if (!wav->peak_output)
+ return;
+
+ for (c = 0; c < enc->channels; c++) {
+ wav->peak_maxneg[c] = -wav->peak_maxneg[c];
+
+ if (wav->peak_bps == 2 && wav->peak_format == PEAK_FORMAT_UINT8) {
+ wav->peak_maxpos[c] = wav->peak_maxpos[c] / 256;
+ wav->peak_maxneg[c] = wav->peak_maxneg[c] / 256;
+ }
+
+ if (wav->peak_ppv == 1)
+ wav->peak_maxpos[c] =
+ FFMAX(wav->peak_maxpos[c], wav->peak_maxneg[c]);
+
+ peak_of_peaks = FFMAX3(wav->peak_maxpos[c], wav->peak_maxneg[c],
+ wav->peak_pop);
+ if (peak_of_peaks > wav->peak_pop)
+ wav->peak_pos_pop = wav->peak_num_frames;
+ wav->peak_pop = peak_of_peaks;
+
+ if (wav->peak_outbuf_size - wav->peak_outbuf_bytes <
+ wav->peak_format * wav->peak_ppv) {
+ wav->peak_outbuf_size += PEAK_BUFFER_SIZE;
+ wav->peak_output = av_realloc(wav->peak_output,
+ wav->peak_outbuf_size);
+ if (!wav->peak_output) {
+ av_log(s, AV_LOG_ERROR, "No memory for peak data\n");
+ return;
+ }
+ }
+
+ if (wav->peak_format == PEAK_FORMAT_UINT8) {
+ wav->peak_output[wav->peak_outbuf_bytes++] =
+ wav->peak_maxpos[c];
+ if (wav->peak_ppv == 2) {
+ wav->peak_output[wav->peak_outbuf_bytes++] =
+ wav->peak_maxneg[c];
+ }
+ } else {
+ AV_WL16(wav->peak_output + wav->peak_outbuf_bytes,
+ wav->peak_maxpos[c]);
+ wav->peak_outbuf_bytes += 2;
+ if (wav->peak_ppv == 2) {
+ AV_WL16(wav->peak_output + wav->peak_outbuf_bytes,
+ wav->peak_maxneg[c]);
+ wav->peak_outbuf_bytes += 2;
+ }
+ }
+ wav->peak_maxpos[c] = 0;
+ wav->peak_maxneg[c] = 0;
+ }
+ wav->peak_num_frames++;
+}
+
+static void peak_write_chunk(AVFormatContext *s)
+{
+ WAVMuxContext *wav = s->priv_data;
+ AVIOContext *pb = s->pb;
+ AVCodecContext *enc = s->streams[0]->codec;
+ int64_t peak = ff_start_tag(s->pb, "levl");
+ int64_t now0;
+ time_t now_secs;
+ char timestamp[28];
+
+ /* Peak frame of incomplete block at end */
+ if (wav->peak_block_pos)
+ peak_write_frame(s);
+
+ memset(timestamp, 0, sizeof(timestamp));
+ if (!(s->flags & AVFMT_FLAG_BITEXACT)) {
+ av_log(s, AV_LOG_INFO, "Writing local time and date to Peak Envelope Chunk\n");
+ now0 = av_gettime();
+ now_secs = now0 / 1000000;
+ strftime(timestamp, sizeof(timestamp), "%Y:%m:%d:%H:%M:%S:", localtime(&now_secs));
+ av_strlcatf(timestamp, sizeof(timestamp), "%03d", (int)((now0 / 1000) % 1000));
+ }
+
+ avio_wl32(pb, 1); /* version */
+ avio_wl32(pb, wav->peak_format); /* 8 or 16 bit */
+ avio_wl32(pb, wav->peak_ppv); /* positive and negative */
+ avio_wl32(pb, wav->peak_block_size); /* frames per value */
+ avio_wl32(pb, enc->channels); /* number of channels */
+ avio_wl32(pb, wav->peak_num_frames); /* number of peak frames */
+ avio_wl32(pb, wav->peak_pos_pop); /* audio sample frame index */
+ avio_wl32(pb, 128); /* equal to size of header */
+ avio_write(pb, timestamp, 28); /* ASCII time stamp */
+ ffio_fill(pb, 0, 60);
+
+ avio_write(pb, wav->peak_output, wav->peak_outbuf_bytes);
+
+ ff_end_tag(pb, peak);
+
+ if (!wav->data)
+ wav->data = peak;
+}
+
static int wav_write_header(AVFormatContext *s)
{
WAVMuxContext *wav = s->priv_data;
AVIOContext *pb = s->pb;
int64_t fmt;
- ffio_wfourcc(pb, "RIFF");
- avio_wl32(pb, 0); /* file length */
+ if (s->nb_streams != 1) {
+ av_log(s, AV_LOG_ERROR, "WAVE files have exactly one stream\n");
+ return AVERROR(EINVAL);
+ }
+
+ if (wav->rf64 == RF64_ALWAYS) {
+ ffio_wfourcc(pb, "RF64");
+ avio_wl32(pb, -1); /* RF64 chunk size: use size in ds64 */
+ } else {
+ ffio_wfourcc(pb, "RIFF");
+ avio_wl32(pb, -1); /* file length */
+ }
+
ffio_wfourcc(pb, "WAVE");
- /* format header */
- fmt = ff_start_tag(pb, "fmt ");
- if (ff_put_wav_header(pb, s->streams[0]->codec) < 0) {
- const AVCodecDescriptor *desc = avcodec_descriptor_get(s->streams[0]->codec->codec_id);
- av_log(s, AV_LOG_ERROR, "%s codec not supported in WAVE format\n",
- desc ? desc->name : "unknown");
- return AVERROR(ENOSYS);
+ if (wav->rf64 != RF64_NEVER) {
+ /* write empty ds64 chunk or JUNK chunk to reserve space for ds64 */
+ ffio_wfourcc(pb, wav->rf64 == RF64_ALWAYS ? "ds64" : "JUNK");
+ avio_wl32(pb, 28); /* chunk size */
+ wav->ds64 = avio_tell(pb);
+ ffio_fill(pb, 0, 28);
+ }
+
+ if (wav->write_peak != 2) {
+ /* format header */
+ fmt = ff_start_tag(pb, "fmt ");
+ if (ff_put_wav_header(pb, s->streams[0]->codec, 0) < 0) {
+ const AVCodecDescriptor *desc = avcodec_descriptor_get(s->streams[0]->codec->codec_id);
+ av_log(s, AV_LOG_ERROR, "%s codec not supported in WAVE format\n",
+ desc ? desc->name : "unknown");
+ return AVERROR(ENOSYS);
+ }
+ ff_end_tag(pb, fmt);
}
- ff_end_tag(pb, fmt);
if (s->streams[0]->codec->codec_tag != 0x01 /* hence for all other than PCM */
&& s->pb->seekable) {
@@ -127,15 +344,23 @@ static int wav_write_header(AVFormatContext *s)
if (wav->write_bext)
bwf_write_bext_chunk(s);
+ if (wav->write_peak) {
+ int ret;
+ if ((ret = peak_init_writer(s)) < 0)
+ return ret;
+ }
+
avpriv_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codec->sample_rate);
wav->maxpts = wav->last_duration = 0;
wav->minpts = INT64_MAX;
- /* info header */
- ff_riff_write_info(s);
+ if (wav->write_peak != 2) {
+ /* info header */
+ ff_riff_write_info(s);
- /* data header */
- wav->data = ff_start_tag(pb, "data");
+ /* data header */
+ wav->data = ff_start_tag(pb, "data");
+ }
avio_flush(pb);
@@ -146,7 +371,31 @@ static int wav_write_packet(AVFormatContext *s, AVPacket *pkt)
{
AVIOContext *pb = s->pb;
WAVMuxContext *wav = s->priv_data;
- avio_write(pb, pkt->data, pkt->size);
+
+ if (wav->write_peak != 2)
+ avio_write(pb, pkt->data, pkt->size);
+
+ if (wav->write_peak) {
+ int c = 0;
+ int i;
+ for (i = 0; i < pkt->size; i += wav->peak_bps) {
+ if (wav->peak_bps == 1) {
+ wav->peak_maxpos[c] = FFMAX(wav->peak_maxpos[c], *(int8_t*)(pkt->data + i));
+ wav->peak_maxneg[c] = FFMIN(wav->peak_maxneg[c], *(int8_t*)(pkt->data + i));
+ } else {
+ wav->peak_maxpos[c] = FFMAX(wav->peak_maxpos[c], (int16_t)AV_RL16(pkt->data + i));
+ wav->peak_maxneg[c] = FFMIN(wav->peak_maxneg[c], (int16_t)AV_RL16(pkt->data + i));
+ }
+ if (++c == s->streams[0]->codec->channels) {
+ c = 0;
+ if (++wav->peak_block_pos == wav->peak_block_size) {
+ peak_write_frame(s);
+ wav->peak_block_pos = 0;
+ }
+ }
+ }
+ }
+
if(pkt->pts != AV_NOPTS_VALUE) {
wav->minpts = FFMIN(wav->minpts, pkt->pts);
wav->maxpts = FFMAX(wav->maxpts, pkt->pts);
@@ -160,33 +409,80 @@ static int wav_write_trailer(AVFormatContext *s)
{
AVIOContext *pb = s->pb;
WAVMuxContext *wav = s->priv_data;
- int64_t file_size;
+ int64_t file_size, data_size;
+ int64_t number_of_samples = 0;
+ int rf64 = 0;
avio_flush(pb);
if (s->pb->seekable) {
- ff_end_tag(pb, wav->data);
+ if (wav->write_peak != 2) {
+ ff_end_tag(pb, wav->data);
+ avio_flush(pb);
+ }
+
+ if (wav->write_peak && wav->peak_output) {
+ peak_write_chunk(s);
+ avio_flush(pb);
+ }
/* update file size */
file_size = avio_tell(pb);
- avio_seek(pb, 4, SEEK_SET);
- avio_wl32(pb, (uint32_t)(file_size - 8));
- avio_seek(pb, file_size, SEEK_SET);
+ data_size = file_size - wav->data;
+ if (wav->rf64 == RF64_ALWAYS || (wav->rf64 == RF64_AUTO && file_size - 8 > UINT32_MAX)) {
+ rf64 = 1;
+ } else {
+ avio_seek(pb, 4, SEEK_SET);
+ avio_wl32(pb, (uint32_t)(file_size - 8));
+ avio_seek(pb, file_size, SEEK_SET);
- avio_flush(pb);
+ avio_flush(pb);
+ }
+
+ number_of_samples = av_rescale(wav->maxpts - wav->minpts + wav->last_duration,
+ s->streams[0]->codec->sample_rate * (int64_t)s->streams[0]->time_base.num,
+ s->streams[0]->time_base.den);
if(s->streams[0]->codec->codec_tag != 0x01) {
/* Update num_samps in fact chunk */
- int number_of_samples;
- number_of_samples = av_rescale(wav->maxpts - wav->minpts + wav->last_duration,
- s->streams[0]->codec->sample_rate * (int64_t)s->streams[0]->time_base.num,
- s->streams[0]->time_base.den);
avio_seek(pb, wav->fact_pos, SEEK_SET);
- avio_wl32(pb, number_of_samples);
+ if (rf64 || (wav->rf64 == RF64_AUTO && number_of_samples > UINT32_MAX)) {
+ rf64 = 1;
+ avio_wl32(pb, -1);
+ } else {
+ avio_wl32(pb, number_of_samples);
+ avio_seek(pb, file_size, SEEK_SET);
+ avio_flush(pb);
+ }
+ }
+
+ if (rf64) {
+ /* overwrite RIFF with RF64 */
+ avio_seek(pb, 0, SEEK_SET);
+ ffio_wfourcc(pb, "RF64");
+ avio_wl32(pb, -1);
+
+ /* write ds64 chunk (overwrite JUNK if rf64 == RF64_AUTO) */
+ avio_seek(pb, wav->ds64 - 8, SEEK_SET);
+ ffio_wfourcc(pb, "ds64");
+ avio_wl32(pb, 28); /* ds64 chunk size */
+ avio_wl64(pb, file_size - 8); /* RF64 chunk size */
+ avio_wl64(pb, data_size); /* data chunk size */
+ avio_wl64(pb, number_of_samples); /* fact chunk number of samples */
+ avio_wl32(pb, 0); /* number of table entries for non-'data' chunks */
+
+ /* write -1 in data chunk size */
+ avio_seek(pb, wav->data - 4, SEEK_SET);
+ avio_wl32(pb, -1);
+
avio_seek(pb, file_size, SEEK_SET);
avio_flush(pb);
}
}
+
+ if (wav->write_peak)
+ peak_free_buffers(s);
+
return 0;
}
@@ -194,6 +490,17 @@ static int wav_write_trailer(AVFormatContext *s)
#define ENC AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
{ "write_bext", "Write BEXT chunk.", OFFSET(write_bext), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, ENC },
+ { "write_peak", "Write Peak Envelope chunk.", OFFSET(write_peak), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 2, ENC, "peak" },
+ { "off", "Do not write peak chunk.", 0, AV_OPT_TYPE_CONST, { .i64 = PEAK_OFF }, 0, 0, ENC, "peak" },
+ { "on", "Append peak chunk after wav data.", 0, AV_OPT_TYPE_CONST, { .i64 = PEAK_ON }, 0, 0, ENC, "peak" },
+ { "only", "Write only peak chunk, omit wav data.", 0, AV_OPT_TYPE_CONST, { .i64 = PEAK_ONLY }, 0, 0, ENC, "peak" },
+ { "rf64", "Use RF64 header rather than RIFF for large files.", OFFSET(rf64), AV_OPT_TYPE_INT, { .i64 = RF64_NEVER },-1, 1, ENC, "rf64" },
+ { "auto", "Write RF64 header if file grows large enough.", 0, AV_OPT_TYPE_CONST, { .i64 = RF64_AUTO }, 0, 0, ENC, "rf64" },
+ { "always", "Always write RF64 header regardless of file size.", 0, AV_OPT_TYPE_CONST, { .i64 = RF64_ALWAYS }, 0, 0, ENC, "rf64" },
+ { "never", "Never write RF64 header regardless of file size.", 0, AV_OPT_TYPE_CONST, { .i64 = RF64_NEVER }, 0, 0, ENC, "rf64" },
+ { "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 },
+ { "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 },
+ { "peak_ppv", "Number of peak points per peak value (1 or 2).", OFFSET(peak_ppv), AV_OPT_TYPE_INT, { .i64 = 2 }, 1, 2, ENC },
{ NULL },
};
@@ -219,3 +526,101 @@ AVOutputFormat ff_wav_muxer = {
.codec_tag = (const AVCodecTag* const []){ ff_codec_wav_tags, 0 },
.priv_class = &wav_muxer_class,
};
+#endif /* CONFIG_WAV_MUXER */
+
+#if CONFIG_W64_MUXER
+#include "w64.h"
+
+static void start_guid(AVIOContext *pb, const uint8_t *guid, int64_t *pos)
+{
+ *pos = avio_tell(pb);
+
+ avio_write(pb, guid, 16);
+ avio_wl64(pb, INT64_MAX);
+}
+
+static void end_guid(AVIOContext *pb, int64_t start)
+{
+ int64_t end, pos = avio_tell(pb);
+
+ end = FFALIGN(pos, 8);
+ ffio_fill(pb, 0, end - pos);
+ avio_seek(pb, start + 16, SEEK_SET);
+ avio_wl64(pb, end - start);
+ avio_seek(pb, end, SEEK_SET);
+}
+
+static int w64_write_header(AVFormatContext *s)
+{
+ WAVMuxContext *wav = s->priv_data;
+ AVIOContext *pb = s->pb;
+ int64_t start;
+ int ret;
+
+ avio_write(pb, ff_w64_guid_riff, sizeof(ff_w64_guid_riff));
+ avio_wl64(pb, -1);
+ avio_write(pb, ff_w64_guid_wave, sizeof(ff_w64_guid_wave));
+ start_guid(pb, ff_w64_guid_fmt, &start);
+ if ((ret = ff_put_wav_header(pb, s->streams[0]->codec, 0)) < 0) {
+ av_log(s, AV_LOG_ERROR, "%s codec not supported\n",
+ s->streams[0]->codec->codec ? s->streams[0]->codec->codec->name : "NONE");
+ return ret;
+ }
+ end_guid(pb, start);
+
+ if (s->streams[0]->codec->codec_tag != 0x01 /* hence for all other than PCM */
+ && s->pb->seekable) {
+ start_guid(pb, ff_w64_guid_fact, &wav->fact_pos);
+ avio_wl64(pb, 0);
+ end_guid(pb, wav->fact_pos);
+ }
+
+ start_guid(pb, ff_w64_guid_data, &wav->data);
+
+ return 0;
+}
+
+static int w64_write_trailer(AVFormatContext *s)
+{
+ AVIOContext *pb = s->pb;
+ WAVMuxContext *wav = s->priv_data;
+ int64_t file_size;
+
+ if (pb->seekable) {
+ end_guid(pb, wav->data);
+
+ file_size = avio_tell(pb);
+ avio_seek(pb, 16, SEEK_SET);
+ avio_wl64(pb, file_size);
+
+ if (s->streams[0]->codec->codec_tag != 0x01) {
+ int64_t number_of_samples;
+
+ number_of_samples = av_rescale(wav->maxpts - wav->minpts + wav->last_duration,
+ s->streams[0]->codec->sample_rate * (int64_t)s->streams[0]->time_base.num,
+ s->streams[0]->time_base.den);
+ avio_seek(pb, wav->fact_pos + 24, SEEK_SET);
+ avio_wl64(pb, number_of_samples);
+ }
+
+ avio_seek(pb, file_size, SEEK_SET);
+ avio_flush(pb);
+ }
+
+ return 0;
+}
+
+AVOutputFormat ff_w64_muxer = {
+ .name = "w64",
+ .long_name = NULL_IF_CONFIG_SMALL("Sony Wave64"),
+ .extensions = "w64",
+ .priv_data_size = sizeof(WAVMuxContext),
+ .audio_codec = AV_CODEC_ID_PCM_S16LE,
+ .video_codec = AV_CODEC_ID_NONE,
+ .write_header = w64_write_header,
+ .write_packet = wav_write_packet,
+ .write_trailer = w64_write_trailer,
+ .flags = AVFMT_TS_NONSTRICT,
+ .codec_tag = (const AVCodecTag* const []){ ff_codec_wav_tags, 0 },
+};
+#endif /* CONFIG_W64_MUXER */
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-06 05:06:11 +0000