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Code Issues Releases Activity

avfilter/af_channelsplit: switch to activate()

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This commit is contained in:
Paul B Mahol 2022-03-07 15:11:32 +01:00
parent a1f2e42ebf
commit 328247076c
1 changed files with 61 additions and 18 deletions
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79
libavfilter/af_channelsplit.c
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@ -30,6 +30,7 @@
#include "audio.h"
#include "avfilter.h"
#include "filters.h"
#include "formats.h"
#include "internal.h"
@ -131,38 +132,79 @@ static int query_formats(AVFilterContext *ctx)
return 0;
}
static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
static int filter_frame(AVFilterLink *outlink, AVFrame *buf)
{
AVFilterContext *ctx = inlink->dst;
AVFilterContext *ctx = outlink->src;
ChannelSplitContext *s = ctx->priv;
int i, ret = 0;
const int i = FF_OUTLINK_IDX(outlink);
for (i = 0; i < ctx->nb_outputs; i++) {
AVFrame *buf_out = av_frame_clone(buf);
AVFrame *buf_out = av_frame_clone(buf);
if (!buf_out)
return AVERROR(ENOMEM);
if (!buf_out) {
ret = AVERROR(ENOMEM);
break;
buf_out->data[0] = buf_out->extended_data[0] = buf_out->extended_data[s->map[i]];
buf_out->channel_layout =
av_channel_layout_extract_channel(buf->channel_layout, s->map[i]);
buf_out->channels = 1;
return ff_filter_frame(ctx->outputs[i], buf_out);
}
static int activate(AVFilterContext *ctx)
{
AVFilterLink *inlink = ctx->inputs[0];
int status, ret;
AVFrame *in;
int64_t pts;
for (int i = 0; i < ctx->nb_outputs; i++) {
FF_FILTER_FORWARD_STATUS_BACK_ALL(ctx->outputs[i], ctx);
}
ret = ff_inlink_consume_frame(inlink, &in);
if (ret < 0)
return ret;
if (ret > 0) {
for (int i = 0; i < ctx->nb_outputs; i++) {
if (ff_outlink_get_status(ctx->outputs[i]))
continue;
ret = filter_frame(ctx->outputs[i], in);
if (ret < 0)
break;
}
buf_out->data[0] = buf_out->extended_data[0] = buf_out->extended_data[s->map[i]];
buf_out->channel_layout =
av_channel_layout_extract_channel(buf->channel_layout, s->map[i]);
buf_out->channels = 1;
ret = ff_filter_frame(ctx->outputs[i], buf_out);
av_frame_free(&in);
if (ret < 0)
break;
return ret;
}
av_frame_free(&buf);
return ret;
if (ff_inlink_acknowledge_status(inlink, &status, &pts)) {
for (int i = 0; i < ctx->nb_outputs; i++) {
if (ff_outlink_get_status(ctx->outputs[i]))
continue;
ff_outlink_set_status(ctx->outputs[i], status, pts);
}
return 0;
}
for (int i = 0; i < ctx->nb_outputs; i++) {
if (ff_outlink_get_status(ctx->outputs[i]))
continue;
if (ff_outlink_frame_wanted(ctx->outputs[i])) {
ff_inlink_request_frame(inlink);
return 0;
}
}
return FFERROR_NOT_READY;
}
static const AVFilterPad avfilter_af_channelsplit_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_AUDIO,
.filter_frame = filter_frame,
},
};
@ -172,6 +214,7 @@ const AVFilter ff_af_channelsplit = {
.priv_size = sizeof(ChannelSplitContext),
.priv_class = &channelsplit_class,
.init = init,
.activate = activate,
FILTER_INPUTS(avfilter_af_channelsplit_inputs),
.outputs = NULL,
FILTER_QUERY_FUNC(query_formats),