- nvenc encoder
- 10bit spp filter
- colorlevels filter
+- RIFX format for *.wav files
version 2.5:
avio_skip(pb, 16);
size=avio_rl32(pb);
- ff_get_wav_header(pb, st->codec, size);
+ ff_get_wav_header(pb, st->codec, size, 0);
/*
8000Hz (Fine-rec) file format has 10 bytes long
st->codec->codec_type = type;
if (type == AVMEDIA_TYPE_AUDIO) {
- int ret = ff_get_wav_header(pb, st->codec, type_specific_size);
+ int ret = ff_get_wav_header(pb, st->codec, type_specific_size, 0);
if (ret < 0)
return ret;
if (is_dvr_ms_audio) {
// avio_skip(pb, size - 5 * 4);
break;
case AVMEDIA_TYPE_AUDIO:
- ret = ff_get_wav_header(pb, st->codec, size);
+ ret = ff_get_wav_header(pb, st->codec, size, 0);
if (ret < 0)
return ret;
ast->dshow_block_align = st->codec->block_align;
ast = avformat_new_stream(s, NULL);
if (!ast)
return AVERROR(ENOMEM);
- ret = ff_get_wav_header(pb, ast->codec, fsize);
+ ret = ff_get_wav_header(pb, ast->codec, fsize, 0);
if (ret < 0)
return ret;
if (ast->codec->sample_rate > 0)
ffio_init_context(&b, track->codec_priv.data,
track->codec_priv.size,
0, NULL, NULL, NULL, NULL);
- ret = ff_get_wav_header(&b, st->codec, track->codec_priv.size);
+ ret = ff_get_wav_header(&b, st->codec, track->codec_priv.size, 0);
if (ret < 0)
return ret;
codec_id = st->codec->codec_id;
vst->codec->codec_tag = MKTAG('B', 'I', 'T', 16);
size -= 164;
} else if (ast && type == MKTAG('W', 'A', 'V', 'I') && size >= 16) {
- ret = ff_get_wav_header(pb, ast->codec, 16);
+ ret = ff_get_wav_header(pb, ast->codec, 16, 0);
if (ret < 0)
return ret;
size -= 16;
return 0;
st = c->fc->streams[c->fc->nb_streams-1];
- if ((ret = ff_get_wav_header(pb, st->codec, atom.size)) < 0)
+ if ((ret = ff_get_wav_header(pb, st->codec, atom.size, 0)) < 0)
av_log(c->fc, AV_LOG_WARNING, "get_wav_header failed\n");
return ret;
int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc, int flags);
enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps);
-int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size);
+int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size, int big_endian);
extern const AVCodecTag ff_codec_bmp_tags[]; // exposed through avformat_get_riff_video_tags()
extern const AVCodecTag ff_codec_wav_tags[];
}
}
-int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size)
+/* "big_endian" values are needed for RIFX file format */
+int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size, int big_endian)
{
int id;
if (size < 14)
avpriv_request_sample(codec, "wav header size < 14");
- id = avio_rl16(pb);
codec->codec_type = AVMEDIA_TYPE_AUDIO;
- codec->channels = avio_rl16(pb);
- codec->sample_rate = avio_rl32(pb);
- codec->bit_rate = avio_rl32(pb) * 8;
- codec->block_align = avio_rl16(pb);
+ if (!big_endian) {
+ id = avio_rl16(pb);
+ codec->channels = avio_rl16(pb);
+ codec->sample_rate = avio_rl32(pb);
+ codec->bit_rate = avio_rl32(pb) * 8;
+ codec->block_align = avio_rl16(pb);
+ } else {
+ id = avio_rb16(pb);
+ codec->channels = avio_rb16(pb);
+ codec->sample_rate = avio_rb32(pb);
+ codec->bit_rate = avio_rb32(pb) * 8;
+ codec->block_align = avio_rb16(pb);
+ }
if (size == 14) { /* We're dealing with plain vanilla WAVEFORMAT */
codec->bits_per_coded_sample = 8;
- } else
- codec->bits_per_coded_sample = avio_rl16(pb);
+ } else {
+ if (!big_endian) {
+ codec->bits_per_coded_sample = avio_rl16(pb);
+ } else {
+ codec->bits_per_coded_sample = avio_rb16(pb);
+ }
+ }
if (id == 0xFFFE) {
codec->codec_tag = 0;
} else {
}
if (size >= 18) { /* We're obviously dealing with WAVEFORMATEX */
int cbSize = avio_rl16(pb); /* cbSize */
+ if (big_endian) {
+ avpriv_report_missing_feature(codec, "WAVEFORMATEX support for RIFX files\n");
+ return AVERROR_PATCHWELCOME;
+ }
size -= 18;
cbSize = FFMIN(size, cbSize);
if (cbSize >= 22 && id == 0xfffe) { /* WAVEFORMATEXTENSIBLE */
#define LIBAVFORMAT_VERSION_MAJOR 56
#define LIBAVFORMAT_VERSION_MINOR 15
-#define LIBAVFORMAT_VERSION_MICRO 105
+#define LIBAVFORMAT_VERSION_MICRO 106
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \
int smv_cur_pt;
int smv_given_first;
int unaligned; // e.g. if an odd number of bytes ID3 tag was prepended
+ int rifx; // RIFX: integer byte order for parameters is big endian
} WAVDemuxContext;
#if CONFIG_WAV_DEMUXER
-static int64_t next_tag(AVIOContext *pb, uint32_t *tag)
+static int64_t next_tag(AVIOContext *pb, uint32_t *tag, int big_endian)
{
*tag = avio_rl32(pb);
- return avio_rl32(pb);
+ if (!big_endian) {
+ return avio_rl32(pb);
+ } else {
+ return avio_rb32(pb);
+ }
}
/* RIFF chunks are always at even offsets relative to where they start. */
for (;;) {
if (avio_feof(pb))
return AVERROR_EOF;
- size = next_tag(pb, &tag);
+ size = next_tag(pb, &tag, wav->rifx);
if (tag == tag1)
break;
wav_seek_tag(wav, pb, size, SEEK_CUR);
if (p->buf_size <= 32)
return 0;
if (!memcmp(p->buf + 8, "WAVE", 4)) {
- if (!memcmp(p->buf, "RIFF", 4))
+ if (!memcmp(p->buf, "RIFF", 4) || !memcmp(p->buf, "RIFX", 4))
/* Since the ACT demuxer has a standard WAV header at the top of
* its own, the returned score is decreased to avoid a probe
* conflict between ACT and WAV. */
static int wav_parse_fmt_tag(AVFormatContext *s, int64_t size, AVStream **st)
{
AVIOContext *pb = s->pb;
+ WAVDemuxContext *wav = s->priv_data;
int ret;
/* parse fmt header */
if (!*st)
return AVERROR(ENOMEM);
- ret = ff_get_wav_header(pb, (*st)->codec, size);
+ ret = ff_get_wav_header(pb, (*st)->codec, size, wav->rifx);
if (ret < 0)
return ret;
handle_stream_probing(*st);
tag = avio_rl32(pb);
rf64 = tag == MKTAG('R', 'F', '6', '4');
- if (!rf64 && tag != MKTAG('R', 'I', 'F', 'F'))
+ wav->rifx = tag == MKTAG('R', 'I', 'F', 'X');
+ if (!rf64 && !wav->rifx && tag != MKTAG('R', 'I', 'F', 'F'))
return AVERROR_INVALIDDATA;
avio_rl32(pb); /* file size */
tag = avio_rl32(pb);
for (;;) {
AVStream *vst;
- size = next_tag(pb, &tag);
+ size = next_tag(pb, &tag, wav->rifx);
next_tag_ofs = avio_tell(pb) + size;
if (avio_feof(pb))
break;
case MKTAG('f', 'a', 'c', 't'):
if (!sample_count)
- sample_count = avio_rl32(pb);
+ sample_count = (!wav->rifx ? avio_rl32(pb) : avio_rb32(pb));
break;
case MKTAG('b', 'e', 'x', 't'):
if ((ret = wav_parse_bext_tag(s, size)) < 0)
if (!memcmp(guid, ff_w64_guid_fmt, 16)) {
/* subtract chunk header size - normal wav file doesn't count it */
- ret = ff_get_wav_header(pb, st->codec, size - 24);
+ ret = ff_get_wav_header(pb, st->codec, size - 24, 0);
if (ret < 0)
return ret;
avio_skip(pb, FFALIGN(size, INT64_C(8)) - size);
if (!st)
return NULL;
if (!ff_guidcmp(formattype, ff_format_waveformatex)) {
- int ret = ff_get_wav_header(pb, st->codec, size);
+ int ret = ff_get_wav_header(pb, st->codec, size, 0);
if (ret < 0)
return NULL;
} else {
if (!st)
return AVERROR(ENOMEM);
- ret = ff_get_wav_header(pb, st->codec, size);
+ ret = ff_get_wav_header(pb, st->codec, size, 0);
if (ret < 0)
return ret;
st->need_parsing = AVSTREAM_PARSE_NONE;