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qtdemux: refactor iTunes tag parsing a bit

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This commit is contained in:
Tim-Philipp Müller 2011-02-14 00:38:45 +00:00
parent c9adc3750b
commit 6f0a4fa85b
1 changed files with 27 additions and 18 deletions
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45
gst/qtdemux/qtdemux.c
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@ -8021,26 +8021,35 @@ qtdemux_tag_add_revdns (GstQTDemux * demux, const char *tag,
datatype = QT_UINT32 (((gchar *) data->data) + 8) & 0xFFFFFF;
if (strncmp (meanstr, "com.apple.iTunes", meansize - 12) == 0) {
if (strncmp (namestr, "replaygain_track_gain", namesize - 12) == 0) {
qtdemux_add_double_tag_from_str (demux,
GST_TAG_TRACK_GAIN, ((guint8 *) data->data) + 16, datasize - 16);
static const struct
{
const gchar name[24];
const gchar tag[24];
} tags[] = {
{
"replaygain_track_gain", GST_TAG_TRACK_GAIN}, {
"replaygain_track_peak", GST_TAG_TRACK_PEAK}, {
"replaygain_album_gain", GST_TAG_ALBUM_GAIN}, {
"replaygain_album_peak", GST_TAG_ALBUM_PEAK}
};
int i;
} else if (strncmp (namestr, "replaygain_track_peak", namesize - 12) == 0) {
qtdemux_add_double_tag_from_str (demux,
GST_TAG_TRACK_PEAK, ((guint8 *) data->data) + 16, datasize - 16);
} else if (strncmp (namestr, "replaygain_album_gain", namesize - 12) == 0) {
qtdemux_add_double_tag_from_str (demux,
GST_TAG_ALBUM_GAIN, ((guint8 *) data->data) + 16, datasize - 16);
} else if (strncmp (namestr, "replaygain_album_peak", namesize - 12) == 0) {
qtdemux_add_double_tag_from_str (demux,
GST_TAG_ALBUM_PEAK, ((guint8 *) data->data) + 16, datasize - 16);
} else {
goto unknown_tag;
for (i = 0; i < G_N_ELEMENTS (tags); ++i) {
if (!g_ascii_strncasecmp (tags[i].name, namestr, namesize - 12)) {
switch (gst_tag_get_type (tags[i].tag)) {
case G_TYPE_DOUBLE:
qtdemux_add_double_tag_from_str (demux, tags[i].tag,
((guint8 *) data->data) + 16, datasize - 16);
break;
default:
/* not reached */
break;
}
break;
}
}
if (i == G_N_ELEMENTS (tags))
goto unknown_tag;
} else {
goto unknown_tag;
}