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lavfi/aconvert: unbreak 

Even if its deprecated, it should still work correctly.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-07-10 13:10:07 +00:00
parent 564909093a
commit bc95b94289
1 changed files with 21 additions and 14 deletions
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35
libavfilter/af_aconvert.c
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@ -25,42 +25,48 @@
* sample format and channel layout conversion audio filter
*/
#include "libavutil/avstring.h"
#include "libavutil/channel_layout.h"
#include "libavutil/opt.h"
#include "libswresample/swresample.h"
#include "avfilter.h"
#include "audio.h"
#include "internal.h"
typedef struct {
const AVClass *class;
enum AVSampleFormat out_sample_fmt;
int64_t out_chlayout;
struct SwrContext *swr;
char *format_str;
char *channel_layout_str;
} AConvertContext;
#define OFFSET(x) offsetof(AConvertContext, x)
#define A AV_OPT_FLAG_AUDIO_PARAM
#define F AV_OPT_FLAG_FILTERING_PARAM
static const AVOption aconvert_options[] = {
{ "sample_fmt", "", OFFSET(format_str), AV_OPT_TYPE_STRING, .flags = A|F },
{ "channel_layout", "", OFFSET(channel_layout_str), AV_OPT_TYPE_STRING, .flags = A|F },
{ NULL },
};
AVFILTER_DEFINE_CLASS(aconvert);
static av_cold int init(AVFilterContext *ctx)
{
AConvertContext *aconvert = ctx->priv;
char *arg, *ptr = NULL;
int ret = 0;
char *args = av_strdup(NULL);
av_log(ctx, AV_LOG_WARNING, "This filter is deprecated, use aformat instead\n");
aconvert->out_sample_fmt = AV_SAMPLE_FMT_NONE;
aconvert->out_chlayout = 0;
if ((arg = av_strtok(args, ":", &ptr)) && strcmp(arg, "auto")) {
if ((ret = ff_parse_sample_format(&aconvert->out_sample_fmt, arg, ctx)) < 0)
goto end;
}
if ((arg = av_strtok(NULL, ":", &ptr)) && strcmp(arg, "auto")) {
if ((ret = ff_parse_channel_layout(&aconvert->out_chlayout, arg, ctx)) < 0)
goto end;
}
end:
av_freep(&args);
if (aconvert->format_str && strcmp(aconvert->format_str, "auto") &&
(ret = ff_parse_sample_format(&aconvert->out_sample_fmt, aconvert->format_str, ctx)) < 0)
return ret;
if (aconvert->channel_layout_str && strcmp(aconvert->channel_layout_str, "auto"))
return ff_parse_channel_layout(&aconvert->out_chlayout, aconvert->channel_layout_str, ctx);
return ret;
}
@ -181,6 +187,7 @@ AVFilter avfilter_af_aconvert = {
.name = "aconvert",
.description = NULL_IF_CONFIG_SMALL("Convert the input audio to sample_fmt:channel_layout."),
.priv_size = sizeof(AConvertContext),
.priv_class = &aconvert_class,
.init = init,
.uninit = uninit,
.query_formats = query_formats,