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avfilter/af_aderivative: add timeline support

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This commit is contained in:
Paul B Mahol 2022-02-13 20:40:01 +01:00
parent 66f8f9ed29
commit 9e11a7e193
1 changed files with 22 additions and 1 deletions
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23
libavfilter/af_aderivative.c
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@ -16,6 +16,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/opt.h"
#include "audio.h"
#include "avfilter.h"
#include "internal.h"
@ -103,8 +104,18 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
AVFilterContext *ctx = inlink->dst;
ADerivativeContext *s = ctx->priv;
AVFilterLink *outlink = ctx->outputs[0];
AVFrame *out = ff_get_audio_buffer(outlink, in->nb_samples);
AVFrame *out;
if (ctx->is_disabled) {
if (s->prev)
av_samples_set_silence(s->prev->extended_data, 0, 1,
s->prev->channels,
s->prev->format);
return ff_filter_frame(outlink, in);
}
out = ff_get_audio_buffer(outlink, in->nb_samples);
if (!out) {
av_frame_free(&in);
return AVERROR(ENOMEM);
@ -149,23 +160,33 @@ static const AVFilterPad aderivative_outputs[] = {
},
};
static const AVOption aderivative_options[] = {
{ NULL }
};
AVFILTER_DEFINE_CLASS_EXT(aderivative, "aderivative/aintegral", aderivative_options);
const AVFilter ff_af_aderivative = {
.name = "aderivative",
.description = NULL_IF_CONFIG_SMALL("Compute derivative of input audio."),
.priv_size = sizeof(ADerivativeContext),
.priv_class = &aderivative_class,
.uninit = uninit,
FILTER_INPUTS(aderivative_inputs),
FILTER_OUTPUTS(aderivative_outputs),
FILTER_SAMPLEFMTS(AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_FLTP,
AV_SAMPLE_FMT_S32P, AV_SAMPLE_FMT_DBLP),
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
};
const AVFilter ff_af_aintegral = {
.name = "aintegral",
.description = NULL_IF_CONFIG_SMALL("Compute integral of input audio."),
.priv_size = sizeof(ADerivativeContext),
.priv_class = &aderivative_class,
.uninit = uninit,
FILTER_INPUTS(aderivative_inputs),
FILTER_OUTPUTS(aderivative_outputs),
FILTER_SAMPLEFMTS(AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_DBLP),
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
};