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avformat/wavdec: Share wav and w64 options 

The options of the w64 demuxer are a proper subset of the options for
the wav demuxer, making it possible to reuse a part of the options for
the wav demuxer for the w64 demuxer.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2021-02-18 04:06:53 +01:00
parent 1df1083b6c
commit 926c1bf85c
1 changed files with 13 additions and 16 deletions
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29
libavformat/wavdec.c
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@ -27,6 +27,7 @@
#include <stdint.h>
#include "config.h"
#include "libavutil/avassert.h"
#include "libavutil/dict.h"
#include "libavutil/intreadwrite.h"
@ -63,6 +64,17 @@ typedef struct WAVDemuxContext {
int rifx; // RIFX: integer byte order for parameters is big endian
} WAVDemuxContext;
#define OFFSET(x) offsetof(WAVDemuxContext, x)
#define DEC AV_OPT_FLAG_DECODING_PARAM
static const AVOption demux_options[] = {
#define W64_DEMUXER_OPTIONS_OFFSET (1 * CONFIG_WAV_DEMUXER)
#if CONFIG_WAV_DEMUXER
{ "ignore_length", "Ignore length", OFFSET(ignore_length), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, DEC },
#endif
{ "max_size", "max size of single packet", OFFSET(max_size), AV_OPT_TYPE_INT, { .i64 = 4096 }, 1024, 1 << 22, DEC },
{ NULL },
};
static void set_spdif(AVFormatContext *s, WAVDemuxContext *wav)
{
if (CONFIG_SPDIF_DEMUXER && s->streams[0]->codecpar->codec_tag == 1) {
@ -798,14 +810,6 @@ static int wav_read_seek(AVFormatContext *s,
return ff_pcm_read_seek(s, stream_index, timestamp, flags);
}
#define OFFSET(x) offsetof(WAVDemuxContext, x)
#define DEC AV_OPT_FLAG_DECODING_PARAM
static const AVOption demux_options[] = {
{ "ignore_length", "Ignore length", OFFSET(ignore_length), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, DEC },
{ "max_size", "max size of single packet", OFFSET(max_size), AV_OPT_TYPE_INT, { .i64 = 4096 }, 1024, 1 << 22, DEC },
{ NULL },
};
static const AVClass wav_demuxer_class = {
.class_name = "WAV demuxer",
.item_name = av_default_item_name,
@ -955,17 +959,10 @@ static int w64_read_header(AVFormatContext *s)
return 0;
}
#define OFFSET(x) offsetof(WAVDemuxContext, x)
#define DEC AV_OPT_FLAG_DECODING_PARAM
static const AVOption w64_demux_options[] = {
{ "max_size", "max size of single packet", OFFSET(max_size), AV_OPT_TYPE_INT, { .i64 = 4096 }, 1024, 1 << 22, DEC },
{ NULL }
};
static const AVClass w64_demuxer_class = {
.class_name = "W64 demuxer",
.item_name = av_default_item_name,
.option = w64_demux_options,
.option = &demux_options[W64_DEMUXER_OPTIONS_OFFSET],
.version = LIBAVUTIL_VERSION_INT,
};