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transform/scale: Drop support for SR_DF_ANALOG_OLD.

This commit is contained in:
Uwe Hermann 2016-05-14 16:27:28 +02:00
parent 09e269ce21
commit 0f574e133c
1 changed files with 0 additions and 20 deletions
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20
src/transform/scale.c
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@ -49,33 +49,13 @@ static int receive(const struct sr_transform *t,
struct sr_datafeed_packet **packet_out)
{
struct context *ctx;
const struct sr_datafeed_analog_old *analog_old;
const struct sr_datafeed_analog *analog;
struct sr_channel *ch;
GSList *l;
float *fdata;
float factor;
int i, num_channels, c;
if (!t || !t->sdi || !packet_in || !packet_out)
return SR_ERR_ARG;
ctx = t->priv;
switch (packet_in->type) {
case SR_DF_ANALOG_OLD:
analog_old = packet_in->payload;
fdata = (float *)analog_old->data;
num_channels = g_slist_length(analog_old->channels);
factor = (float) ctx->factor.p / ctx->factor.q;
for (i = 0; i < analog_old->num_samples; i++) {
/* For now scale all values in all channels. */
for (l = analog_old->channels, c = 0; l; l = l->next, c++) {
ch = l->data;
(void)ch;
fdata[i * num_channels + c] *= factor;
}
}
break;
case SR_DF_ANALOG:
analog = packet_in->payload;
analog->encoding->scale.p *= ctx->factor.p;