Needed by following commits.
Signed-off-by: Paul B Mahol <one...@gmail.com>
---
libavfilter/af_biquads.c | 33 +++++++++++++++++++++++++++++----
1 file changed, 29 insertions(+), 4 deletions(-)
diff --git a/libavfilter/af_biquads.c b/libavfilter/af_biquads.c
index 81cdb0c10e..ef28db741a 100644
--- a/libavfilter/af_biquads.c
+++ b/libavfilter/af_biquads.c
@@ -67,6 +67,7 @@
#include "libavutil/opt.h"
#include "audio.h"
#include "avfilter.h"
+#include "filters.h"
#include "internal.h"
enum FilterType {
@@ -523,6 +524,30 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
return ff_filter_frame(outlink, out_buf);
}
+static int activate(AVFilterContext *ctx)
+{
+ AVFilterLink *inlink = ctx->inputs[0];
+ AVFilterLink *outlink = ctx->outputs[0];
+ AVFrame *in = NULL;
+ int ret;
+
+ FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink);
+
+ ret = ff_inlink_consume_frame(inlink, &in);
+ if (ret < 0)
+ return ret;
+ if (ret > 0) {
+ ret = filter_frame(inlink, in);
+ if (ret < 0)
+ return ret;
+ }
+
+ FF_FILTER_FORWARD_STATUS(inlink, outlink);
+ FF_FILTER_FORWARD_WANTED(outlink, inlink);
+
+ return FFERROR_NOT_READY;
+}
+
static int process_command(AVFilterContext *ctx, const char *cmd, const char
*args,
char *res, int res_len, int flags)
{
@@ -547,7 +572,6 @@ static const AVFilterPad inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_AUDIO,
- .filter_frame = filter_frame,
},
{ NULL }
};
@@ -567,19 +591,20 @@ static const AVFilterPad outputs[] = {
#define DEFINE_BIQUAD_FILTER(name_, description_) \
AVFILTER_DEFINE_CLASS(name_); \
-static av_cold int name_##_init(AVFilterContext *ctx) \
+static av_cold int name_##_init(AVFilterContext *ctx) \
{ \
BiquadsContext *s = ctx->priv; \
s->class = &name_##_class; \
s->filter_type = name_; \
- return init(ctx); \
+ return init(ctx); \
} \
\
-AVFilter ff_af_##name_ = { \
+AVFilter ff_af_##name_ = { \
.name = #name_, \
.description = NULL_IF_CONFIG_SMALL(description_), \
.priv_size = sizeof(BiquadsContext), \
.init = name_##_init, \
+ .activate = activate, \
.uninit = uninit, \
.query_formats = query_formats, \
.inputs = inputs, \
--
2.17.1
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
