mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-02-04 05:22:30 +00:00
gme: Use gme for tags and duration parsing
This commit is contained in:
parent
c57eca3f0b
commit
e3cc127692
5 changed files with 58 additions and 514 deletions
|
@ -1,10 +1,10 @@
|
|||
plugin_LTLIBRARIES = libgstgme.la
|
||||
|
||||
libgstgme_la_SOURCES = gstgme.c tag.c
|
||||
libgstgme_la_SOURCES = gstgme.c
|
||||
|
||||
libgstgme_la_CFLAGS = $(GST_CFLAGS) $(GME_CFLAGS)
|
||||
libgstgme_la_LIBADD = $(GST_LIBS) $(GME_LIBS)
|
||||
libgstgme_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
|
||||
libgstgme_la_LIBTOOLFLAGS = --tag=disable-static
|
||||
|
||||
noinst_HEADERS = gstgme.h tag.h
|
||||
noinst_HEADERS = gstgme.h
|
||||
|
|
175
ext/gme/gstgme.c
175
ext/gme/gstgme.c
|
@ -158,8 +158,8 @@ gst_spc_dec_init (GstSpcDec * spc, GstSpcDecClass * klass)
|
|||
|
||||
spc->buf = NULL;
|
||||
spc->player = NULL;
|
||||
spc->total_duration = GST_CLOCK_TIME_NONE;
|
||||
spc->initialized = FALSE;
|
||||
spc_tag_clear (&spc->tag_info);
|
||||
}
|
||||
|
||||
static void
|
||||
|
@ -171,8 +171,6 @@ gst_spc_dec_dispose (GObject * object)
|
|||
gst_buffer_unref (spc->buf);
|
||||
spc->buf = NULL;
|
||||
}
|
||||
|
||||
spc_tag_free (&spc->tag_info);
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
|
@ -223,38 +221,6 @@ gst_spc_dec_sink_event (GstPad * pad, GstEvent * event)
|
|||
return result;
|
||||
}
|
||||
|
||||
static gint64
|
||||
gst_spc_duration (GstSpcDec * spc)
|
||||
{
|
||||
gint64 total_ticks =
|
||||
spc->tag_info.time_intro +
|
||||
spc->tag_info.time_loop * spc->tag_info.loop_count +
|
||||
spc->tag_info.time_end;
|
||||
if (total_ticks) {
|
||||
return (gint64) gst_util_uint64_scale (total_ticks, GST_SECOND, 64000);
|
||||
} else if (spc->tag_info.time_seconds) {
|
||||
gint64 time = (gint64) spc->tag_info.time_seconds * GST_SECOND;
|
||||
|
||||
return time;
|
||||
} else {
|
||||
return (gint64) (3 * 60) * GST_SECOND;
|
||||
}
|
||||
}
|
||||
|
||||
static gint64
|
||||
gst_spc_fadeout (GstSpcDec * spc)
|
||||
{
|
||||
if (spc->tag_info.time_fade) {
|
||||
return (gint64) gst_util_uint64_scale ((guint64) spc->tag_info.time_fade,
|
||||
GST_SECOND, 64000);
|
||||
} else if (spc->tag_info.time_fade_milliseconds) {
|
||||
return (gint64) (spc->tag_info.time_fade_milliseconds * GST_MSECOND);
|
||||
} else {
|
||||
return 10 * GST_SECOND;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static gboolean
|
||||
gst_spc_dec_src_event (GstPad * pad, GstEvent * event)
|
||||
{
|
||||
|
@ -293,7 +259,10 @@ gst_spc_dec_src_event (GstPad * pad, GstEvent * event)
|
|||
guint64 cur = gme_tell (spc->player) * GST_MSECOND;
|
||||
guint64 dest = (guint64) start;
|
||||
|
||||
dest = CLAMP (dest, 0, gst_spc_duration (spc) + gst_spc_fadeout (spc));
|
||||
if (spc->total_duration != GST_CLOCK_TIME_NONE)
|
||||
dest = CLAMP (dest, 0, spc->total_duration);
|
||||
else
|
||||
dest = MAX (0, dest);
|
||||
|
||||
if (dest == cur)
|
||||
break;
|
||||
|
@ -317,8 +286,9 @@ gst_spc_dec_src_event (GstPad * pad, GstEvent * event)
|
|||
gst_pad_push_event (spc->srcpad, gst_event_new_flush_stop ());
|
||||
}
|
||||
|
||||
if (stop == GST_CLOCK_TIME_NONE)
|
||||
stop = (guint64) (gst_spc_duration (spc) + gst_spc_fadeout (spc));
|
||||
if (stop == GST_CLOCK_TIME_NONE
|
||||
&& spc->total_duration != GST_CLOCK_TIME_NONE)
|
||||
stop = spc->total_duration;
|
||||
|
||||
gst_pad_push_event (spc->srcpad, gst_event_new_new_segment (FALSE, rate,
|
||||
GST_FORMAT_TIME, dest, stop, dest));
|
||||
|
@ -356,12 +326,12 @@ gst_spc_dec_src_query (GstPad * pad, GstQuery * query)
|
|||
GstFormat format;
|
||||
|
||||
gst_query_parse_duration (query, &format, NULL);
|
||||
if (!spc->initialized || format != GST_FORMAT_TIME) {
|
||||
if (!spc->initialized || format != GST_FORMAT_TIME
|
||||
|| spc->total_duration == GST_CLOCK_TIME_NONE) {
|
||||
result = FALSE;
|
||||
break;
|
||||
}
|
||||
gst_query_set_duration (query, GST_FORMAT_TIME,
|
||||
gst_spc_duration (spc) + gst_spc_fadeout (spc));
|
||||
gst_query_set_duration (query, GST_FORMAT_TIME, spc->total_duration);
|
||||
break;
|
||||
}
|
||||
case GST_QUERY_POSITION:
|
||||
|
@ -395,7 +365,6 @@ gst_spc_play (GstPad * pad)
|
|||
GstBuffer *out;
|
||||
gboolean seeking = spc->seeking;
|
||||
gme_err_t gme_err = NULL;
|
||||
gint64 duration, fade, end, position;
|
||||
const int NUM_SAMPLES = 1600; /* 4 bytes (stereo 16-bit) per sample */
|
||||
|
||||
if (!seeking) {
|
||||
|
@ -421,24 +390,6 @@ gst_spc_play (GstPad * pad)
|
|||
gst_buffer_set_caps (out, GST_PAD_CAPS (pad));
|
||||
}
|
||||
|
||||
duration = gst_spc_duration (spc);
|
||||
fade = gst_spc_fadeout (spc);
|
||||
end = duration + fade;
|
||||
position = gme_tell (spc->player) * GST_MSECOND;
|
||||
|
||||
if (position >= duration) {
|
||||
gint16 *data = (gint16 *) GST_BUFFER_DATA (out);
|
||||
guint32 size = GST_BUFFER_SIZE (out) / sizeof (gint16);
|
||||
unsigned int i;
|
||||
|
||||
gint64 num = (fade - (position - duration));
|
||||
|
||||
for (i = 0; i < size; i++) {
|
||||
/* Apply a parabolic volume envelope */
|
||||
data[i] = (gint16) (data[i] * num / fade * num / fade);
|
||||
}
|
||||
}
|
||||
|
||||
if ((flow_return = gst_pad_push (spc->srcpad, out)) != GST_FLOW_OK) {
|
||||
GST_DEBUG_OBJECT (spc, "pausing task, reason %s",
|
||||
gst_flow_get_name (flow_return));
|
||||
|
@ -450,7 +401,7 @@ gst_spc_play (GstPad * pad)
|
|||
}
|
||||
}
|
||||
|
||||
if (position >= end) {
|
||||
if (gme_track_ended (spc->player)) {
|
||||
gst_pad_pause_task (pad);
|
||||
gst_pad_push_event (pad, gst_event_new_eos ());
|
||||
}
|
||||
|
@ -463,7 +414,7 @@ gst_spc_play (GstPad * pad)
|
|||
static gboolean
|
||||
spc_setup (GstSpcDec * spc)
|
||||
{
|
||||
spc_tag_info *info;
|
||||
gme_info_t *info;
|
||||
gme_err_t gme_err = NULL;
|
||||
GstTagList *taglist;
|
||||
guint64 total_duration;
|
||||
|
@ -472,64 +423,6 @@ spc_setup (GstSpcDec * spc)
|
|||
return FALSE;
|
||||
}
|
||||
|
||||
info = &(spc->tag_info);
|
||||
|
||||
spc_tag_get_info (GST_BUFFER_DATA (spc->buf), GST_BUFFER_SIZE (spc->buf),
|
||||
info);
|
||||
|
||||
taglist = gst_tag_list_new ();
|
||||
|
||||
if (info->title)
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_TITLE,
|
||||
info->title, NULL);
|
||||
if (info->artist)
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ARTIST,
|
||||
info->artist, NULL);
|
||||
/* Prefer the name of the official soundtrack over the name of the game (since this is
|
||||
* how track numbers are derived)
|
||||
*/
|
||||
if (info->album)
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ALBUM,
|
||||
info->album, NULL);
|
||||
else if (info->game)
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ALBUM, info->game,
|
||||
NULL);
|
||||
if (info->year) {
|
||||
GDate *date = g_date_new_dmy (1, 1, info->year);
|
||||
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_DATE, date, NULL);
|
||||
g_date_free (date);
|
||||
}
|
||||
if (info->track) {
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_TRACK_NUMBER,
|
||||
info->track, NULL);
|
||||
}
|
||||
if (info->comment)
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_COMMENT,
|
||||
info->comment, NULL);
|
||||
if (info->disc)
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE,
|
||||
GST_TAG_ALBUM_VOLUME_NUMBER, info->disc, NULL);
|
||||
if (info->publisher)
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ORGANIZATION,
|
||||
info->publisher, NULL);
|
||||
if (info->dumper)
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_CONTACT,
|
||||
info->dumper, NULL);
|
||||
if (info->emulator)
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ENCODER,
|
||||
info->emulator == EMU_ZSNES ? "ZSNES" : "Snes9x", NULL);
|
||||
|
||||
total_duration = (guint64) (gst_spc_duration (spc) + gst_spc_fadeout (spc));
|
||||
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE,
|
||||
GST_TAG_DURATION, total_duration,
|
||||
GST_TAG_GENRE, "Game", GST_TAG_CODEC, "SPC700", NULL);
|
||||
|
||||
gst_element_found_tags_for_pad (GST_ELEMENT (spc), spc->srcpad, taglist);
|
||||
|
||||
/* spc_tag_info_free(&info); */
|
||||
|
||||
gme_err =
|
||||
gme_open_data (GST_BUFFER_DATA (spc->buf), GST_BUFFER_SIZE (spc->buf),
|
||||
&spc->player, 32000);
|
||||
|
@ -543,6 +436,47 @@ spc_setup (GstSpcDec * spc)
|
|||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
gme_err = gme_track_info (spc->player, &info, 0);
|
||||
|
||||
taglist = gst_tag_list_new ();
|
||||
|
||||
if (info->song)
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_TITLE,
|
||||
info->song, NULL);
|
||||
if (info->author)
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ARTIST,
|
||||
info->author, NULL);
|
||||
/* Prefer the name of the official soundtrack over the name of the game (since this is
|
||||
* how track numbers are derived)
|
||||
*/
|
||||
if (info->game)
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ALBUM, info->game,
|
||||
NULL);
|
||||
|
||||
if (info->comment)
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_COMMENT,
|
||||
info->comment, NULL);
|
||||
if (info->dumper)
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_CONTACT,
|
||||
info->dumper, NULL);
|
||||
if (info->copyright)
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_COPYRIGHT,
|
||||
info->copyright, NULL);
|
||||
if (info->system)
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ENCODER,
|
||||
info->system, NULL);
|
||||
|
||||
spc->total_duration = total_duration =
|
||||
gst_util_uint64_scale_int (info->play_length, GST_MSECOND, 1);
|
||||
|
||||
gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE,
|
||||
GST_TAG_DURATION, total_duration, NULL);
|
||||
|
||||
gst_element_found_tags_for_pad (GST_ELEMENT (spc), spc->srcpad, taglist);
|
||||
|
||||
g_free (info);
|
||||
|
||||
#ifdef HAVE_LIBGME_ACCURACY
|
||||
/* TODO: Is it worth it to make this optional? */
|
||||
gme_enable_accuracy (spc->player, 1);
|
||||
|
@ -575,6 +509,7 @@ gst_spc_dec_change_state (GstElement * element, GstStateChange transition)
|
|||
|
||||
switch (transition) {
|
||||
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
||||
dec->total_duration = GST_CLOCK_TIME_NONE;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
|
|
|
@ -24,7 +24,6 @@
|
|||
#include <gst/gst.h>
|
||||
|
||||
#include <gme/gme.h>
|
||||
#include "tag.h"
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
|
@ -55,7 +54,7 @@ struct _GstSpcDec
|
|||
gboolean seeking;
|
||||
int seekpoint;
|
||||
|
||||
spc_tag_info tag_info;
|
||||
GstClockTime total_duration;
|
||||
};
|
||||
|
||||
struct _GstSpcDecClass
|
||||
|
|
353
ext/gme/tag.c
353
ext/gme/tag.c
|
@ -1,353 +0,0 @@
|
|||
/* Copyright (C) 2007 Brian Koropoff <bkoropoff at gmail com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#include <glib/gstring.h>
|
||||
#include <glib/gtypes.h>
|
||||
#include <glib/gmem.h>
|
||||
#include <glib/gprintf.h>
|
||||
|
||||
#include <tag.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
|
||||
#define EXTENDED_OFFSET 0x10200
|
||||
#define EXTENDED_MAGIC ((guint32) ('x' << 0 | 'i' << 8 | 'd' << 16 | '6' << 24))
|
||||
|
||||
#define TYPE_LENGTH 0x0
|
||||
#define TYPE_STRING 0x1
|
||||
#define TYPE_INTEGER 0x4
|
||||
|
||||
#define TAG_TITLE 0x01
|
||||
#define TAG_GAME 0x02
|
||||
#define TAG_ARTIST 0x03
|
||||
#define TAG_DUMPER 0x04
|
||||
#define TAG_DUMP_DATE 0x05
|
||||
#define TAG_EMULATOR 0x06
|
||||
#define TAG_COMMENT 0x07
|
||||
#define TAG_ALBUM 0x10
|
||||
#define TAG_DISC 0x11
|
||||
#define TAG_TRACK 0x12
|
||||
#define TAG_PUBLISHER 0x13
|
||||
#define TAG_YEAR 0x14
|
||||
#define TAG_INTRO 0x30
|
||||
#define TAG_LOOP 0x31
|
||||
#define TAG_END 0x32
|
||||
#define TAG_FADE 0x33
|
||||
#define TAG_MUTED 0x34
|
||||
#define TAG_COUNT 0x35
|
||||
#define TAG_AMP 0x36
|
||||
|
||||
#define READ_INT8(data, offset) (data[offset])
|
||||
#define READ_INT16(data, offset) ((data[offset] << 0) + (data[offset+1] << 8))
|
||||
#define READ_INT24(data, offset) ((data[offset] << 0) + (data[offset+1] << 8) + (data[offset+2] << 16))
|
||||
#define READ_INT32(data, offset) ((data[offset] << 0) + (data[offset+1] << 8) + (data[offset+2] << 16) + (data[offset+3] << 24))
|
||||
|
||||
static inline gboolean
|
||||
spc_tag_is_extended (guchar * data, guint length)
|
||||
{
|
||||
// Extended tags come at the end of the file (at a known offset)
|
||||
// and start with "xid6"
|
||||
return (length > EXTENDED_OFFSET + 4
|
||||
&& READ_INT32 (data, EXTENDED_OFFSET) == EXTENDED_MAGIC);
|
||||
}
|
||||
|
||||
static inline gboolean
|
||||
spc_tag_is_text_format (guchar * data, guint length)
|
||||
{
|
||||
// Because the id666 format is brain dead, there's
|
||||
// no definite way to decide if it is in text
|
||||
// format. This function implements a set of
|
||||
// heuristics to make a best-effort guess.
|
||||
|
||||
// If the date field contains separators, it is probably text
|
||||
if (data[0xA0] == '/' || data[0xA0] == '.')
|
||||
return TRUE;
|
||||
// If the first byte of the date field is small (but not 0,
|
||||
// which could indicate an empty string), it's probably binary
|
||||
if (data[0x9E] >= 1 && data[0x9E] <= 31)
|
||||
return FALSE;
|
||||
|
||||
// If all previous tests turned up nothing, assume it's text
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static inline gboolean
|
||||
spc_tag_is_present (guchar * data, guint length)
|
||||
{
|
||||
return data[0x23] == 26;
|
||||
}
|
||||
|
||||
static inline GDate *
|
||||
spc_tag_unpack_date (guint32 packed)
|
||||
{
|
||||
guint dump_year = packed / 10000;
|
||||
guint dump_month = (packed % 10000) / 100;
|
||||
guint dump_day = packed % 100;
|
||||
|
||||
if (dump_month == 0)
|
||||
dump_month = 1;
|
||||
if (dump_day == 0)
|
||||
dump_day = 1;
|
||||
|
||||
if (dump_year != 0)
|
||||
return g_date_new_dmy (dump_day, dump_month, dump_year);
|
||||
else
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void
|
||||
spc_tag_clear (spc_tag_info * info)
|
||||
{
|
||||
info->title = info->game = info->publisher = info->artist = info->album =
|
||||
info->comment = info->dumper = NULL;
|
||||
info->dump_date = NULL;
|
||||
info->time_seconds = 0;
|
||||
info->time_fade_milliseconds = 0;
|
||||
info->time_intro = 0;
|
||||
info->time_end = 0;
|
||||
info->time_loop = 0;
|
||||
info->time_fade = 0;
|
||||
info->loop_count = 0;
|
||||
info->muted = 0;
|
||||
info->disc = 0;
|
||||
info->amplification = 0;
|
||||
}
|
||||
|
||||
void
|
||||
spc_tag_get_info (guchar * data, guint length, spc_tag_info * info)
|
||||
{
|
||||
spc_tag_clear (info);
|
||||
|
||||
if (spc_tag_is_present (data, length)) {
|
||||
gboolean text_format = spc_tag_is_text_format (data, length);
|
||||
|
||||
info->title = g_new0 (gchar, 0x21);
|
||||
info->game = g_new0 (gchar, 0x21);
|
||||
info->artist = g_new0 (gchar, 0x21);
|
||||
info->dumper = g_new0 (gchar, 0x10);
|
||||
info->comment = g_new0 (gchar, 0x32);
|
||||
|
||||
strncpy (info->title, (gchar *) & data[0x2E], 32);
|
||||
strncpy (info->artist, (gchar *) & data[(text_format ? 0xB1 : 0xB0)], 32);
|
||||
strncpy (info->game, (gchar *) & data[0x4E], 32);
|
||||
strncpy (info->dumper, (gchar *) & data[0x6E], 16);
|
||||
strncpy (info->comment, (gchar *) & data[0x7E], 32);
|
||||
|
||||
if (text_format) {
|
||||
gchar time[4];
|
||||
gchar fade[6];
|
||||
guint dump_year, dump_month, dump_day;
|
||||
|
||||
strncpy (time, (gchar *) data + 0xA9, 3);
|
||||
strncpy (fade, (gchar *) data + 0xAC, 5);
|
||||
|
||||
time[3] = fade[5] = 0;
|
||||
|
||||
info->time_seconds = atoi (time);
|
||||
info->time_fade_milliseconds = atoi (fade);
|
||||
|
||||
dump_year = (guint) atoi ((gchar *) data + 0x9E);
|
||||
dump_month = (guint) atoi ((gchar *) data + 0x9E + 3);
|
||||
dump_day = (guint) atoi ((gchar *) data + 0x9E + 3 + 3);
|
||||
|
||||
if (dump_month == 0)
|
||||
dump_month = 1;
|
||||
if (dump_day == 0)
|
||||
dump_day = 1;
|
||||
if (dump_year != 0)
|
||||
info->dump_date = g_date_new_dmy (dump_day, dump_month, dump_year);
|
||||
|
||||
info->muted = READ_INT8 (data, 0xD1);
|
||||
info->emulator = READ_INT8 (data, 0xD2);
|
||||
} else {
|
||||
info->time_seconds = READ_INT24 (data, 0xA9);
|
||||
info->time_fade_milliseconds = READ_INT32 (data, 0xAC);
|
||||
info->dump_date = spc_tag_unpack_date (READ_INT32 (data, 0x9E));
|
||||
info->muted = READ_INT8 (data, 0xD0);
|
||||
info->emulator = READ_INT8 (data, 0xD1);
|
||||
}
|
||||
}
|
||||
|
||||
if (spc_tag_is_extended (data, length)) {
|
||||
guchar *chunk = data + EXTENDED_OFFSET + 8;
|
||||
guint32 chunk_size = *((guint32 *) (data + EXTENDED_OFFSET + 4));
|
||||
|
||||
guchar *subchunk, *subchunk_next;
|
||||
|
||||
for (subchunk = chunk; subchunk < chunk + chunk_size;
|
||||
subchunk = subchunk_next) {
|
||||
guint8 tag = READ_INT8 (subchunk, 0);
|
||||
guint8 type = READ_INT8 (subchunk, 1);
|
||||
guint16 length = READ_INT16 (subchunk, 2);
|
||||
guchar *value = subchunk + 4;
|
||||
|
||||
switch (type) {
|
||||
case TYPE_LENGTH:
|
||||
{
|
||||
switch (tag) {
|
||||
case TAG_TRACK:
|
||||
info->track = READ_INT8 (subchunk, 2 + 1);
|
||||
break;
|
||||
case TAG_YEAR:
|
||||
info->year = READ_INT16 (subchunk, 2);
|
||||
break;
|
||||
case TAG_COUNT:
|
||||
info->loop_count = READ_INT8 (subchunk, 2);
|
||||
break;
|
||||
case TAG_EMULATOR:
|
||||
info->emulator = READ_INT8 (subchunk, 2);
|
||||
break;
|
||||
case TAG_DISC:
|
||||
info->disc = READ_INT8 (subchunk, 2);
|
||||
break;
|
||||
case TAG_MUTED:
|
||||
info->muted = READ_INT8 (subchunk, 2);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
subchunk_next = subchunk + 4;
|
||||
break;
|
||||
}
|
||||
case TYPE_STRING:
|
||||
{
|
||||
gchar *dest;
|
||||
|
||||
if (length <= 1)
|
||||
dest = NULL;
|
||||
else
|
||||
switch (tag) {
|
||||
case TAG_TITLE:
|
||||
dest = info->title = g_renew (gchar, info->title, length);
|
||||
break;
|
||||
case TAG_GAME:
|
||||
dest = info->game = g_renew (gchar, info->game, length);
|
||||
break;
|
||||
case TAG_ARTIST:
|
||||
dest = info->artist = g_renew (gchar, info->artist, length);
|
||||
break;
|
||||
case TAG_ALBUM:
|
||||
dest = info->album = g_renew (gchar, info->album, length);
|
||||
break;
|
||||
case TAG_DUMPER:
|
||||
dest = info->dumper = g_renew (gchar, info->dumper, length);
|
||||
break;
|
||||
case TAG_COMMENT:
|
||||
dest = info->comment = g_renew (gchar, info->comment, length);
|
||||
break;
|
||||
case TAG_PUBLISHER:
|
||||
dest = info->publisher =
|
||||
g_renew (gchar, info->publisher, length);
|
||||
break;
|
||||
default:
|
||||
dest = NULL;
|
||||
break;
|
||||
}
|
||||
|
||||
if (dest)
|
||||
strncpy (dest, (gchar *) value, length);
|
||||
|
||||
subchunk_next = value + length;
|
||||
break;
|
||||
}
|
||||
case TYPE_INTEGER:
|
||||
{
|
||||
switch (tag) {
|
||||
case TAG_INTRO:
|
||||
info->time_intro = READ_INT32 (value, 0);
|
||||
break;
|
||||
case TAG_END:
|
||||
info->time_end = READ_INT32 (value, 0);
|
||||
break;
|
||||
case TAG_FADE:
|
||||
info->time_fade = READ_INT32 (value, 0);
|
||||
break;
|
||||
case TAG_LOOP:
|
||||
info->time_loop = READ_INT32 (value, 0);
|
||||
break;
|
||||
case TAG_DUMP_DATE:
|
||||
info->dump_date = spc_tag_unpack_date (READ_INT32 (value, 0));
|
||||
break;
|
||||
case TAG_AMP:
|
||||
info->amplification = READ_INT32 (value, 0);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
subchunk_next = value + length;
|
||||
break;
|
||||
}
|
||||
default:
|
||||
subchunk_next = value + length;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (info->title && !*info->title) {
|
||||
g_free (info->title);
|
||||
info->title = NULL;
|
||||
}
|
||||
if (info->game && !*info->game) {
|
||||
g_free (info->game);
|
||||
info->game = NULL;
|
||||
}
|
||||
if (info->artist && !*info->artist) {
|
||||
g_free (info->artist);
|
||||
info->artist = NULL;
|
||||
}
|
||||
if (info->album && !*info->album) {
|
||||
g_free (info->album);
|
||||
info->album = NULL;
|
||||
}
|
||||
if (info->publisher && !*info->publisher) {
|
||||
g_free (info->publisher);
|
||||
info->publisher = NULL;
|
||||
}
|
||||
if (info->comment && !*info->comment) {
|
||||
g_free (info->comment);
|
||||
info->comment = NULL;
|
||||
}
|
||||
if (info->dumper && !*info->dumper) {
|
||||
g_free (info->dumper);
|
||||
info->dumper = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
spc_tag_free (spc_tag_info * info)
|
||||
{
|
||||
if (info->title)
|
||||
g_free (info->title);
|
||||
if (info->game)
|
||||
g_free (info->game);
|
||||
if (info->artist)
|
||||
g_free (info->artist);
|
||||
if (info->album)
|
||||
g_free (info->album);
|
||||
if (info->publisher)
|
||||
g_free (info->publisher);
|
||||
if (info->comment)
|
||||
g_free (info->comment);
|
||||
if (info->dumper)
|
||||
g_free (info->dumper);
|
||||
if (info->dump_date)
|
||||
g_date_free (info->dump_date);
|
||||
}
|
|
@ -1,37 +0,0 @@
|
|||
/* Copyright (C) 2007 Brian Koropoff <bkoropoff at gmail com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#include <glib/gtypes.h>
|
||||
#include <glib.h>
|
||||
|
||||
typedef struct
|
||||
{
|
||||
gchar *title, *game, *artist, *album, *publisher;
|
||||
gchar *dumper, *comment;
|
||||
enum { EMU_SNES9X = 2, EMU_ZSNES = 1, EMU_UNKNOWN = 0 } emulator;
|
||||
guint8 track, disc, muted, loop_count;
|
||||
guint16 year;
|
||||
guint32 time_seconds, time_fade_milliseconds;
|
||||
guint32 time_intro, time_loop, time_end, time_fade;
|
||||
guint32 amplification;
|
||||
GDate *dump_date;
|
||||
} spc_tag_info;
|
||||
|
||||
void spc_tag_clear(spc_tag_info* info);
|
||||
void spc_tag_get_info(guchar* data, guint length, spc_tag_info* info);
|
||||
void spc_tag_free(spc_tag_info* info);
|
Loading…
Reference in a new issue