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Added decode/encode example and refactored main.c a bit.

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This commit is contained in:
casey langen 2020-01-27 23:53:06 -08:00
parent 6ed5a2b170
commit 66e849a0b5
1 changed files with 62 additions and 17 deletions
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79
src/core_c_demo/main.c
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@ -3,12 +3,55 @@
#include <unistd.h>
#include <core_c/musikcore_c.h>
int main(int argc, char** argv) {
mcsdk_context* context = NULL;
mcsdk_context_init(&context);
if (context) {
printf("initialized\n");
#define INPUT_FILE "/home/clangen/in.opus"
#define OUTPUT_FILE "/home/clangen/out.flac"
static void test_decode_encode() {
mcsdk_data_stream in = mcsdk_env_open_data_stream(INPUT_FILE, mcsdk_stream_open_flags_read);
mcsdk_data_stream out = mcsdk_env_open_data_stream(OUTPUT_FILE, mcsdk_stream_open_flags_write);
if (mcsdk_handle_ok(in) && mcsdk_handle_ok(out)) {
printf("test_decode_encode: decoding from %s\n", INPUT_FILE);
printf("test_decode_encode: encoding to %s\n", OUTPUT_FILE);
mcsdk_decoder decoder = mcsdk_env_open_decoder(in);
mcsdk_encoder encoder = mcsdk_env_open_encoder(".ogg");
if (mcsdk_handle_ok(decoder) && mcsdk_handle_ok(encoder)) {
printf("test_decode_encode: encoder and decoder opened successfully. running...\n");
if (mcsdk_encoder_get_type(encoder) == mcsdk_encoder_type_blocking) {
mcsdk_blocking_encoder be = mcsdk_cast_handle(encoder);
mcsdk_audio_buffer buffer = mcsdk_env_create_audio_buffer(4096, 44100, 2);
if (mcsdk_blocking_encoder_initialize(be, out, 44100, 2, 192)) {
while (mcsdk_decoder_fill_buffer(decoder, buffer)) {
mcsdk_blocking_encoder_encode(be, buffer);
}
mcsdk_blocking_encoder_finalize(be);
}
mcsdk_audio_buffer_release(buffer);
}
}
mcsdk_decoder_release(decoder);
mcsdk_encoder_release(encoder);
}
mcsdk_data_stream_release(in);
mcsdk_data_stream_release(out);
printf("test_decode_encode: done.\n");
}
static void test_playback(mcsdk_context* context) {
printf("test_playback: loading 'a day in the life' tracks\n");
mcsdk_track_list tl = mcsdk_svc_metadata_query_tracks(
context->metadata, "a day in the life", mcsdk_no_limit, mcsdk_no_offset);
mcsdk_svc_playback_play(context->playback, tl, 0);
mcsdk_track_list_release(tl);
printf("test_playback: playing for 5 seconds...\n");
for (int i = 0; i < 5; i++) {
usleep(1000000);
printf(" %d\n", i + 1);
}
printf("test_playback: done.\n");
}
static void test_metadata(mcsdk_context* context) {
printf("test_metadata: querying 'beatles' albums\n");
mcsdk_map_list ml = mcsdk_svc_metadata_query_albums(context->metadata, "beatles");
int count = mcsdk_map_list_get_count(ml);
for (int i = 0; i < count; i++) {
@ -16,21 +59,23 @@ int main(int argc, char** argv) {
size_t len = mcsdk_map_get_string(m, "album", NULL, 0);
char* str = malloc(len * sizeof(char));
mcsdk_map_get_string(m, "album", str, len);
printf("%s\n", str);
printf(" %s\n", str);
free(str);
}
mcsdk_map_list_release(ml);
mcsdk_track_list tl = mcsdk_svc_metadata_query_tracks(
context->metadata, "a day in the life", mcsdk_no_limit, mcsdk_no_offset);
mcsdk_svc_playback_play(context->playback, tl, 0);
mcsdk_track_list_release(tl);
printf("playing for 5 seconds...");
for (int i = 0; i < 5; i++) {
usleep(1000000);
printf(" %d\n", i + 1);
printf("test_metadata: done.\n");
}
int main(int argc, char** argv) {
mcsdk_context* context = NULL;
mcsdk_context_init(&context);
if (context) {
printf("main: context initialized\n");
test_metadata(context);
test_playback(context);
test_decode_encode(context);
mcsdk_context_release(&context);
printf("main: context released\n");
}
printf("done playing, shutting down...\n");
mcsdk_context_release(&context);
printf("dead\n");
return 0;
}