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avformat/riffenc: add support for HEAACWAVEFORMAT

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This is an extension to WAVEFORMATEX used for some AAC streams, defined in the
Windows SDK.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2025-11-11 23:23:51 -03:00
parent 362d673ad6
commit 6cdd2cbe32
2 changed files with 13 additions and 1 deletions
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12
libavformat/riffenc.c
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@@ -200,6 +200,18 @@ int ff_put_wav_header(AVFormatContext *s, AVIOContext *pb,
par->codec_tag != 0x0001 /* PCM */ ||
riff_extradata - riff_extradata_start) {
/* WAVEFORMATEX */
if (par->codec_tag == 0x1610) {
/* HEAACWAVEFORMAT */
avio_wl16(pb, par->extradata_size + 12); /* cbSize */
avio_wl16(pb, !par->extradata_size); // wPayloadType, 0 = Raw, 1 = ADTS
avio_wl16(pb, 0xFE); // wAudioProfileLevelIndication, 0xFE = unspecified
avio_wl16(pb, 0); // wStructType, 0 = AudioSpecificConfig()
avio_wl16(pb, 0); // wReserved1
avio_wl32(pb, 0); // dwReserved2
} else if (par->codec_tag == 0xFF && !par->extradata_size) {
av_log(s, AV_LOG_ERROR, "ADTS is only supported with codec tag 0x1610\n");
return AVERROR(EINVAL);
} else
avio_wl16(pb, riff_extradata - riff_extradata_start); /* cbSize */
} /* else PCMWAVEFORMAT */
avio_write(pb, riff_extradata_start, riff_extradata - riff_extradata_start);

2
libavformat/version.h
View File

@@ -32,7 +32,7 @@
#include "version_major.h"
#define LIBAVFORMAT_VERSION_MINOR 6
#define LIBAVFORMAT_VERSION_MICRO 102
#define LIBAVFORMAT_VERSION_MICRO 103
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \