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audio testcard: refactor a bit

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This commit is contained in:
Martin Pulec
2022-03-03 12:01:33 +01:00
parent a486f7848b
commit 8a02fcfd60
1 changed files with 16 additions and 23 deletions
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39
src/audio/capture/testcard.cpp
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@@ -60,6 +60,7 @@
#include <string>
using namespace std::chrono;
using std::setprecision;
using std::string;
#define AUDIO_CAPTURE_TESTCARD_MAGIC 0xf4b3c9c9u
@@ -75,7 +76,7 @@ using std::string;
constexpr const char *MOD_NAME = "[Audio testc.] ";
struct state_audio_capture_testcard {
uint32_t magic;
uint32_t magic = AUDIO_CAPTURE_TESTCARD_MAGIC;
unsigned long long int chunk_size;
struct audio_frame audio;
@@ -165,7 +166,6 @@ static char *get_ebu_signal(int sample_rate, int bps, int channels, int frequenc
static void * audio_cap_testcard_init(const char *cfg)
{
struct state_audio_capture_testcard *s;
string wav_file;
char *item, *save_ptr;
@@ -219,9 +219,8 @@ static void * audio_cap_testcard_init(const char *cfg)
free(tmp);
}
s = new state_audio_capture_testcard();
assert(s != 0);
s->magic = AUDIO_CAPTURE_TESTCARD_MAGIC;
auto *s = new state_audio_capture_testcard();
assert(s != nullptr);
switch (pattern) {
case SINE:
@@ -236,38 +235,32 @@ static void * audio_cap_testcard_init(const char *cfg)
assert(s->chunk_size > 0);
switch (pattern) {
case SINE:
s->audio_samples = get_sine_signal(s->audio.sample_rate, s->audio.bps, s->audio.ch_count,
frequency, volume);
s->total_samples = s->audio.sample_rate;
break;
case EBU:
log_msg(LOG_LEVEL_NOTICE, MODULE_NAME "Generating %d Hz (%.2f RMS dBFS) %s ", frequency,
volume, pattern == SINE ? "sine" : "EBU tone");
s->audio_samples = get_ebu_signal(s->audio.sample_rate, s->audio.bps, s->audio.ch_count,
frequency, volume, &s->total_samples);
break;
case SILENCE:
log_msg(LOG_LEVEL_NOTICE, MODULE_NAME "Generating silence ");
s->total_samples = s->audio.sample_rate;
s->audio_samples = (char *) calloc(1, (s->total_samples *
s->audio.ch_count * s->audio.bps) + s->chunk_size - 1);
break;
default:
abort();
}
LOG(LOG_LEVEL_NOTICE) << "(" << audio_desc_from_frame(&s->audio) << ", frames per packet: " << s->chunk_size << ").\n";
LOG(LOG_LEVEL_NOTICE) << MODULE_NAME "Generating " << frequency << " Hz (" << setprecision(2) << volume << " RMS dBFS) "
<< (pattern == SINE ? "sine" : pattern == EBU ? "EBU tone" : "silence") << " "
<< "(" << audio_desc_from_frame(&s->audio) << ", frames per packet: " << s->chunk_size << ").\n";
if (pattern == EBU || pattern == SINE) {
if (pattern == EBU) {
s->audio_samples = get_ebu_signal(s->audio.sample_rate, s->audio.bps, s->audio.ch_count,
frequency, volume, &s->total_samples);
} else {
s->audio_samples = get_sine_signal(s->audio.sample_rate, s->audio.bps, s->audio.ch_count,
frequency, volume);
s->total_samples = s->audio.sample_rate;
}
s->audio_samples = (char *) realloc(s->audio_samples, (s->total_samples *
s->audio.ch_count * s->audio.bps) + s->chunk_size - 1);
memcpy(s->audio_samples + s->total_samples * s->audio.bps * s->audio.ch_count,
s->audio_samples, s->chunk_size - 1);
} else {
s->total_samples = s->audio.sample_rate;
s->audio_samples = (char *) calloc(1, (s->total_samples *
s->audio.ch_count * s->audio.bps) + s->chunk_size - 1);
}
break;
}