film->set_container (Ratio::from_id ("185"));
film->set_sequence (false);
- /* Staircase at an offset of 2000 samples, trimmed both start and end, with a gain of 6dB */
+ /* Staircase at an offset of 2000 samples, trimmed both start and end, with a gain of exactly 2 (linear) */
shared_ptr<Content> staircase = content_factory("test/data/staircase.wav").front ();
film->examine_and_add_content (staircase);
BOOST_REQUIRE (!wait_for_jobs());
staircase->set_position (film, DCPTime::from_frames (2000, film->audio_frame_rate()));
staircase->set_trim_start (ContentTime::from_frames (12, 48000));
staircase->set_trim_end (ContentTime::from_frames (35, 48000));
- staircase->audio->set_gain (linear_to_db(6));
+ staircase->audio->set_gain (20 * log10(2));
- /* And again at an offset of 50000 samples, trimmed both start and end, with a gain of 6dB */
+ /* And again at an offset of 50000 samples, trimmed both start and end, with a gain of exactly 2 (linear) */
staircase = content_factory("test/data/staircase.wav").front ();
film->examine_and_add_content (staircase);
BOOST_REQUIRE (!wait_for_jobs());
staircase->set_position (film, DCPTime::from_frames(50000, film->audio_frame_rate()));
staircase->set_trim_start (ContentTime::from_frames (12, 48000));
staircase->set_trim_end (ContentTime::from_frames (35, 48000));
- staircase->audio->set_gain (linear_to_db(6));
+ staircase->audio->set_gain (20 * log10(2));
/* 1s of red at 5s in */
shared_ptr<Content> red = content_factory("test/data/flat_red.png").front ();
int stair = 12;
- fr = sound_reader->get_frame (1);
- for (int i = 0; i < fr->samples(); ++i) {
- for (int j = 0; j < 6; ++j) {
- if (j == 2) {
- BOOST_CHECK_EQUAL ((fr->get(j, i) + 128) >> 8, stair * 2);
- ++stair;
- } else {
- BOOST_CHECK_EQUAL (fr->get(j, i), 0);
+ BOOST_TEST_CONTEXT("First staircase, frame #1") {
+ fr = sound_reader->get_frame (1);
+ for (int i = 0; i < fr->samples(); ++i) {
+ for (int j = 0; j < 6; ++j) {
+ if (j == 2) {
+ BOOST_CHECK_EQUAL ((fr->get(j, i) + 128) >> 8, stair * 2);
+ ++stair;
+ } else {
+ BOOST_CHECK_EQUAL (fr->get(j, i), 0);
+ }
}
}
}
- fr = sound_reader->get_frame (2);
- for (int i = 0; i < fr->samples(); ++i) {
- for (int j = 0; j < 6; ++j) {
- if (j == 2) {
- BOOST_CHECK_EQUAL ((fr->get(j, i) + 128) >> 8, stair * 2);
- ++stair;
- } else {
- BOOST_CHECK_EQUAL (fr->get(j, i), 0);
+ BOOST_TEST_CONTEXT("First staircase, frame #2") {
+ fr = sound_reader->get_frame (2);
+ for (int i = 0; i < fr->samples(); ++i) {
+ for (int j = 0; j < 6; ++j) {
+ if (j == 2) {
+ BOOST_CHECK_EQUAL ((fr->get(j, i) + 128) >> 8, stair * 2);
+ ++stair;
+ } else {
+ BOOST_CHECK_EQUAL (fr->get(j, i), 0);
+ }
}
}
}
- fr = sound_reader->get_frame (3);
- for (int i = 0; i < fr->samples(); ++i) {
- for (int j = 0; j < 6; ++j) {
- if (j == 2 && i < (4753 - (2000 * 2))) {
- BOOST_CHECK_EQUAL ((fr->get(j, i) + 128) >> 8, stair * 2);
- ++stair;
- } else {
- BOOST_CHECK_EQUAL (fr->get(j, i), 0);
+ BOOST_TEST_CONTEXT("First staircase, frame #3") {
+ fr = sound_reader->get_frame (3);
+ for (int i = 0; i < fr->samples(); ++i) {
+ for (int j = 0; j < 6; ++j) {
+ if (j == 2 && i < (4753 - (2000 * 2))) {
+ BOOST_CHECK_EQUAL ((fr->get(j, i) + 128) >> 8, stair * 2);
+ ++stair;
+ } else {
+ BOOST_CHECK_EQUAL (fr->get(j, i), 0);
+ }
}
}
}
/* Then some silence */
- for (int i = 4; i < 24; ++i) {
- fr = sound_reader->get_frame (i);
- for (int j = 0; j < fr->samples(); ++j) {
- for (int k = 0; k < 6; ++k) {
- BOOST_CHECK_EQUAL (fr->get(k, j), 0);
+ BOOST_TEST_CONTEXT("Silence") {
+ for (int i = 4; i < 24; ++i) {
+ fr = sound_reader->get_frame (i);
+ for (int j = 0; j < fr->samples(); ++j) {
+ for (int k = 0; k < 6; ++k) {
+ BOOST_CHECK_EQUAL (fr->get(k, j), 0);
+ }
}
}
}