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audioconvert: grow the volume ramp buffer

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Grow the volume ramp sequence command buffer dynamically, if needed.
This commit is contained in:
Ashok Sidipotu 2023-03-28 11:33:12 +05:30 • committed by Wim Taymans
parent e75fe4d469
commit 737bc89ab9
1 changed files with 21 additions and 16 deletions
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37
spa/plugins/audioconvert/audioconvert.c
View file

@ -23,6 +23,7 @@
#include <spa/param/param.h>
#include <spa/param/latency-utils.h>
#include <spa/pod/filter.h>
#include <spa/pod/dynamic.h>
#include <spa/debug/types.h>
#include "volume-ops.h"
@ -911,8 +912,8 @@ static double get_volume_at_scale(struct impl *this, double value)
static struct spa_pod *generate_vol_ramp_up_sequence(struct impl *this, const struct props *p)
{
uint8_t buffer[64 * 1024 * 10];
struct spa_pod_builder b;
uint8_t buffer[64 * 1024];
struct spa_pod_dynamic_builder b;
struct spa_pod_frame f[1];
double volume_accum = p->prev_volume;
unsigned int ramp_samples = get_ramp_samples(this);
@ -920,29 +921,31 @@ static struct spa_pod *generate_vol_ramp_up_sequence(struct impl *this, const st
double volume_step = ((p->volume - p->prev_volume) / (ramp_samples / ramp_step_samples));
uint32_t volume_offs = 0;
spa_pod_builder_init(&b, buffer, sizeof(buffer));
spa_pod_builder_push_sequence(&b, &f[0], 0);
spa_pod_dynamic_builder_init(&b, buffer, sizeof(buffer), 4096);
spa_pod_builder_push_sequence(&b.b, &f[0], 0);
spa_log_info(this->log, "generating ramp up sequence from %f to %f with a step value %f at scale %d",
p->prev_volume,p->volume, volume_step, p->scale);
do {
// spa_log_info(this->log, "volume level %f offset %d", get_volume_at_scale(this, volume_accum), volume_offs);
spa_pod_builder_control(&b, volume_offs, SPA_CONTROL_Properties);
spa_pod_builder_add_object(&b,
spa_pod_builder_control(&b.b, volume_offs, SPA_CONTROL_Properties);
spa_pod_builder_add_object(&b.b,
SPA_TYPE_OBJECT_Props, 0,
SPA_PROP_volume,
SPA_POD_Float(get_volume_at_scale(this, volume_accum)));
volume_accum += volume_step;
volume_offs += ramp_step_samples;
} while (volume_accum < p->volume);
spa_pod_builder_pop(&b, &f[0]);
return spa_pod_builder_pop(&b, &f[0]);
spa_pod_builder_pop(&b.b, &f[0]);
return spa_pod_builder_pop(&b.b, &f[0]);
}
static struct spa_pod *generate_vol_ramp_down_sequence(struct impl *this, const struct props *p)
{
uint8_t buffer[64 * 1024 * 10];
struct spa_pod_builder b;
uint8_t buffer[64 * 1024];
struct spa_pod_dynamic_builder b;
struct spa_pod_frame f[1];
unsigned int ramp_samples = get_ramp_samples(this);
unsigned int ramp_step_samples = get_ramp_step_samples(this);
@ -950,14 +953,15 @@ static struct spa_pod *generate_vol_ramp_down_sequence(struct impl *this, const
double volume_step = ((p->prev_volume - p->volume) / (ramp_samples / ramp_step_samples));
uint32_t volume_offs = 0;
spa_pod_builder_init(&b, buffer, sizeof(buffer));
spa_pod_builder_push_sequence(&b, &f[0], 0);
spa_pod_dynamic_builder_init(&b, buffer, sizeof(buffer), 4096);
spa_pod_builder_push_sequence(&b.b, &f[0], 0);
spa_log_info(this->log, "generating ramp down sequence from %f to %f with a step value %f at scale %d",
p->prev_volume, p->volume, volume_step, p->scale);
do {
// spa_log_info(this->log, "volume level %f offset %d", get_volume_at_scale(this, volume_accum), volume_offs);
spa_pod_builder_control(&b, volume_offs, SPA_CONTROL_Properties);
spa_pod_builder_add_object(&b,
spa_pod_builder_control(&b.b, volume_offs, SPA_CONTROL_Properties);
spa_pod_builder_add_object(&b.b,
SPA_TYPE_OBJECT_Props, 0,
SPA_PROP_volume,
SPA_POD_Float(get_volume_at_scale(this, volume_accum)));
@ -965,8 +969,8 @@ static struct spa_pod *generate_vol_ramp_down_sequence(struct impl *this, const
volume_accum -= volume_step;
volume_offs += ramp_step_samples;
} while (volume_accum > p->volume);
spa_pod_builder_pop(&b, &f[0]);
return spa_pod_builder_pop(&b, &f[0]);
spa_pod_builder_pop(&b.b, &f[0]);
return spa_pod_builder_pop(&b.b, &f[0]);
}
static struct spa_pod *generate_vol_ramp_sequence(struct impl *this, const struct props *p)
@ -2837,6 +2841,7 @@ static int impl_node_process(void *object)
} else if (this->vol_ramp_sequence) {
if (channelmix_process_apply_sequence(this, this->vol_ramp_sequence,
&this->vol_ramp_offset, out_datas, in_datas, n_samples) == 1) {
free(this->vol_ramp_sequence);
this->vol_ramp_sequence = NULL;
}
}