diff options
| -rw-r--r-- | Makefile | 19 | ||||
| -rw-r--r-- | miragextract.c | 134 |
2 files changed, 153 insertions, 0 deletions
diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..6e9e402 --- /dev/null +++ b/Makefile @@ -0,0 +1,19 @@ +PROJ=miragextract + +# Packagers: override these on make command line as needed. +OPTFLAGS=-O2 +LDEXTRA= + +SNDFILE_CFLAGS:=$(shell pkg-config --cflags sndfile) +SNDFILE_LIBS:=$(shell pkg-config --libs sndfile) + +MIRAGE_CFLAGS:=$(shell pkg-config --cflags libmirage) +MIRAGE_LIBS:=$(shell pkg-config --libs libmirage) + +CFLAGS=-Wall $(OPTFLAGS) $(MIRAGE_CFLAGS) $(SNDFILE_CFLAGS) +LDFLAGS=$(LDEXTRA) $(MIRAGE_LIBS) $(SNDFILE_LIBS) + +all: $(PROJ) + +test: all + ./$(PROJ) diff --git a/miragextract.c b/miragextract.c new file mode 100644 index 0000000..2c16132 --- /dev/null +++ b/miragextract.c @@ -0,0 +1,134 @@ +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include <sndfile.h> +#include <mirage/mirage.h> + +const char *self; + +static MirageContext *mirage = NULL; +static MirageDisc *disc = NULL; +static MirageSession *session = NULL; +static int output_track_number = 0; +// static int tracks; + +void die(char *msg) { + fprintf(stderr, "%s: %s\n", self, msg); + exit(1); +} + +void extract_audio(MirageTrack *track) { +} + +void extract_track(int t) { + MirageTrack *track; + MirageSector *sector; + int sector_type, sec = 0; + gint len; + const guint8 *buf; + char *ext; + char outfile[4096]; + FILE *out; + SNDFILE *sfout; + struct SF_INFO sfi; + double quality = 0.7l; + + output_track_number++; + + if(!(track = mirage_session_get_track_by_index(session, t, NULL))) + die("can't read track"); + + sector_type = mirage_track_get_sector_type(track); + + switch(sector_type) { + case MIRAGE_SECTOR_MODE1: + case MIRAGE_SECTOR_MODE2_FORM1: + // printf("Track %d is data, extracting\n", output_track_number); + ext = "iso"; + break; + case MIRAGE_SECTOR_AUDIO: + // printf("Track %d is audio, extracting\n", output_track_number); + ext = "ogg"; + break; + default: + // printf("Track %d is unsupported type, dumping raw\n", output_track_number); + ext = "raw"; + break; + } + + sector = mirage_track_get_sector(track, 0, 0, NULL); + + /* + mirage_sector_get_data(sector, &buf, &len, NULL); + printf("got %d bytes per sector\n", len); + */ + + sprintf(outfile, "track%02d.%s", output_track_number, ext); + + if(sector_type == MIRAGE_SECTOR_AUDIO) { + sfi.samplerate = 44100; + sfi.channels = 2; + sfi.format = SF_FORMAT_OGG | SF_FORMAT_VORBIS; + if(!(sfout = sf_open(outfile, SFM_WRITE, &sfi))) + die("can't open output audio file"); + sf_command(sfout, SFC_SET_VBR_ENCODING_QUALITY, &quality, sizeof(double)); + } else { + if(!(out = fopen(outfile, "wb"))) { + die("can't open output file"); + } + } + + sec = mirage_track_get_track_start(track); + while((sector = mirage_track_get_sector(track, sec++, 0, NULL))) { + mirage_sector_get_data(sector, &buf, &len, NULL); + if(sector_type == MIRAGE_SECTOR_AUDIO) { + /* TODO: find out what happens on big-endian platform! */ + sf_write_short(sfout, (const short *)buf, len / 2); + } else { + fwrite(buf, len, 1, out); + } + g_object_unref(sector); + } + + if(sector_type == MIRAGE_SECTOR_AUDIO) { + sf_close(sfout); + } else { + fclose(out); + } + + printf("read %d sectors\n", sec); + + return; +} + +int main(int argc, char **argv) { + self = argv[0]; + gchar *fn[2]; + int s, t; + + if(!((mirage = g_object_new(MIRAGE_TYPE_CONTEXT, NULL)))) + die("couldn't get mirage context"); + + if(!mirage_initialize(NULL)) + die("couldn't initialize libmirage"); + + fn[0] = "test.cue"; + fn[1] = NULL; + + if(!(disc = mirage_context_load_image(mirage, fn, NULL))) + die("couldn't load image"); + + for(s = 0; s < mirage_disc_get_number_of_sessions(disc); s++) { + if(!(session = mirage_disc_get_session_by_index(disc, s, NULL))) + die("couldn't read session"); + + for(t = 0; t < mirage_session_get_number_of_tracks(session); t++) { + printf("session %d, track %d\n", s, t); + extract_track(t); + } + } + + mirage_shutdown(NULL); + return 0; +} |