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avfilter/split: switch to activate()

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This commit is contained in:
Paul B Mahol 2022-03-01 14:15:31 +01:00
parent e645a1ddb9
commit 0f5c964c57
1 changed files with 51 additions and 17 deletions
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68
libavfilter/split.c
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@ -63,28 +63,62 @@ static av_cold int split_init(AVFilterContext *ctx)
return 0;
}
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
static int activate(AVFilterContext *ctx)
{
AVFilterContext *ctx = inlink->dst;
int i, ret = AVERROR_EOF;
AVFilterLink *inlink = ctx->inputs[0];
AVFrame *in;
int status, ret;
int64_t pts;
for (i = 0; i < ctx->nb_outputs; i++) {
AVFrame *buf_out;
for (int i = 0; i < ctx->nb_outputs; i++) {
FF_FILTER_FORWARD_STATUS_BACK_ALL(ctx->outputs[i], ctx);
}
if (ff_outlink_get_status(ctx->outputs[i]))
continue;
buf_out = av_frame_clone(frame);
if (!buf_out) {
ret = AVERROR(ENOMEM);
break;
ret = ff_inlink_consume_frame(inlink, &in);
if (ret < 0)
return ret;
if (ret > 0) {
for (int i = 0; i < ctx->nb_outputs; i++) {
AVFrame *buf_out;
if (ff_outlink_get_status(ctx->outputs[i]))
continue;
buf_out = av_frame_clone(in);
if (!buf_out) {
ret = AVERROR(ENOMEM);
break;
}
ret = ff_filter_frame(ctx->outputs[i], buf_out);
if (ret < 0)
break;
}
ret = ff_filter_frame(ctx->outputs[i], buf_out);
av_frame_free(&in);
if (ret < 0)
break;
return ret;
}
av_frame_free(&frame);
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;
}
#define OFFSET(x) offsetof(SplitContext, x)
@ -100,7 +134,6 @@ static const AVFilterPad avfilter_vf_split_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.filter_frame = filter_frame,
},
};
@ -110,6 +143,7 @@ const AVFilter ff_vf_split = {
.priv_size = sizeof(SplitContext),
.priv_class = &split_class,
.init = split_init,
.activate = activate,
FILTER_INPUTS(avfilter_vf_split_inputs),
.outputs = NULL,
.flags = AVFILTER_FLAG_DYNAMIC_OUTPUTS | AVFILTER_FLAG_METADATA_ONLY,
@ -119,7 +153,6 @@ static const AVFilterPad avfilter_af_asplit_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_AUDIO,
.filter_frame = filter_frame,
},
};
@ -129,6 +162,7 @@ const AVFilter ff_af_asplit = {
.priv_class = &split_class,
.priv_size = sizeof(SplitContext),
.init = split_init,
.activate = activate,
FILTER_INPUTS(avfilter_af_asplit_inputs),
.outputs = NULL,
.flags = AVFILTER_FLAG_DYNAMIC_OUTPUTS | AVFILTER_FLAG_METADATA_ONLY,