diff options
Diffstat (limited to '')
-rw-r--r-- | src/decoder/gme_decoder_plugin.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/decoder/gme_decoder_plugin.c b/src/decoder/gme_decoder_plugin.c new file mode 100644 index 000000000..54947c72c --- /dev/null +++ b/src/decoder/gme_decoder_plugin.c @@ -0,0 +1,136 @@ +#include "config.h" +#include "../decoder_api.h" +#include "audio_check.h" +#include <glib.h> +#include <assert.h> +#include <gme/gme.h> + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "gme" + +enum { + GME_SAMPLE_RATE = 44100, + GME_CHANNELS = 2, + GME_BUFFER_FRAMES = 2048, + GME_BUFFER_SAMPLES = GME_BUFFER_FRAMES * GME_CHANNELS, +}; + +static void +gme_file_decode(struct decoder *decoder, const char *path_fs) +{ + int track = 0; /* index of track to play */ + float song_len; + Music_Emu *emu; + gme_info_t *ti; + struct audio_format audio_format; + enum decoder_command cmd; + short buf[GME_BUFFER_SAMPLES]; + const char* gme_err; + + gme_err = gme_open_file(path_fs, &emu, GME_SAMPLE_RATE); + if (gme_err != NULL) { + g_warning("%s", gme_err); + return; + } + if((gme_err = gme_track_info(emu, &ti, 0)) != NULL){ + g_warning("%s", gme_err); + gme_delete(emu); + return; + } + + if(ti->length > 0) + song_len = ti->length / 1000.0; + else song_len = -1; + + /* initialize the MPD decoder */ + + GError *error = NULL; + if (!audio_format_init_checked(&audio_format, GME_SAMPLE_RATE, + SAMPLE_FORMAT_S16, GME_CHANNELS, + &error)) { + g_warning("%s", error->message); + g_error_free(error); + gme_free_info(ti); + gme_delete(emu); + return; + } + + decoder_initialized(decoder, &audio_format, true, song_len); + + if((gme_err = gme_start_track(emu, track)) != NULL) + g_warning("%s", gme_err); + + /* play */ + do { + gme_err = gme_play(emu, GME_BUFFER_SAMPLES, buf); + if (gme_err != NULL) { + g_warning("%s", gme_err); + return; + } + cmd = decoder_data(decoder, NULL, buf, sizeof(buf), 0); + + if(cmd == DECODE_COMMAND_SEEK) { + float where = decoder_seek_where(decoder); + if((gme_err = gme_seek(emu, (int)where*1000)) != NULL) + g_warning("%s", gme_err); + decoder_command_finished(decoder); + } + + if(gme_track_ended(emu)) + break; + } while(cmd != DECODE_COMMAND_STOP); + + gme_free_info(ti); + gme_delete(emu); +} + +static struct tag * +gme_tag_dup(const char *path_fs) +{ + Music_Emu *emu; + gme_info_t *ti; + const char* gme_err; + + gme_err = gme_open_file(path_fs, &emu, GME_SAMPLE_RATE); + if (gme_err != NULL) { + g_warning("%s", gme_err); + return NULL; + } + if((gme_err = gme_track_info(emu, &ti, 0)) != NULL){ + g_warning("%s", gme_err); + gme_delete(emu); + return NULL; + } + + struct tag *tag = tag_new(); + if(ti != NULL){ + if(ti->length > 0) + tag->time = ti->length / 1000; + if(ti->song != NULL) + tag_add_item(tag, TAG_TITLE, ti->song); + if(ti->author != NULL) + tag_add_item(tag, TAG_ARTIST, ti->author); + if(ti->comment != NULL) + tag_add_item(tag, TAG_COMMENT, ti->comment); + if(ti->copyright != NULL) + tag_add_item(tag, TAG_DATE, ti->copyright); + } + + gme_free_info(ti); + gme_delete(emu); + return tag; +} + +static const char *const gme_suffixes[] = { + "ay", "gbs", "gym", "hes", "kss", "nsf", + "nsfe", "sap", "spc", "vgm", "vgz", + NULL +}; + +extern const struct decoder_plugin gme_decoder_plugin; +const struct decoder_plugin gme_decoder_plugin = { + .name = "gme", + .file_decode = gme_file_decode, + .tag_dup = gme_tag_dup, + .suffixes = gme_suffixes, +}; |