#include "libavutil/dict.h"
#include "libavutil/avassert.h"
#include "libavutil/timestamp.h"
+#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavcodec/raw.h"
} AVIIndex;
typedef struct AVIContext {
+ const AVClass *class;
int64_t riff_start, movi_list, odml_list;
int64_t frames_hdr_all;
int riff_id;
+ int write_channel_mask;
} AVIContext;
typedef struct AVIStream {
ff_end_tag(pb, strh);
if (enc->codec_type != AVMEDIA_TYPE_DATA) {
- int ret;
+ int ret, flags;
enum AVPixelFormat pix_fmt;
strf = ff_start_tag(pb, "strf");
av_get_pix_fmt_name(enc->pix_fmt));
break;
case AVMEDIA_TYPE_AUDIO:
- if ((ret = ff_put_wav_header(pb, enc, 0)) < 0)
+ flags = (avi->write_channel_mask == 0) ? FF_PUT_WAV_HEADER_SKIP_CHANNELMASK : 0;
+ if ((ret = ff_put_wav_header(pb, enc, flags)) < 0)
return ret;
break;
default:
return res;
}
+#define OFFSET(x) offsetof(AVIContext, x)
+#define ENC AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+ { "write_channel_mask", "write channel mask into wave format header", OFFSET(write_channel_mask), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, ENC },
+ { NULL },
+};
+
+static const AVClass avi_muxer_class = {
+ .class_name = "AVI muxer",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
AVOutputFormat ff_avi_muxer = {
.name = "avi",
.long_name = NULL_IF_CONFIG_SMALL("AVI (Audio Video Interleaved)"),
.codec_tag = (const AVCodecTag * const []) {
ff_codec_bmp_tags, ff_codec_wav_tags, 0
},
+ .priv_class = &avi_muxer_class,
};