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Diffstat (limited to 'gst/mpeg2sub/gstmpeg2subt.c')
-rw-r--r--gst/mpeg2sub/gstmpeg2subt.c159
1 files changed, 80 insertions, 79 deletions
diff --git a/gst/mpeg2sub/gstmpeg2subt.c b/gst/mpeg2sub/gstmpeg2subt.c
index 65047297..dbfb5d5c 100644
--- a/gst/mpeg2sub/gstmpeg2subt.c
+++ b/gst/mpeg2sub/gstmpeg2subt.c
@@ -104,9 +104,10 @@ gst_mpeg2subt_get_type (void)
0,
(GInstanceInitFunc) gst_mpeg2subt_init,
};
+
mpeg2subt_type =
- g_type_register_static (GST_TYPE_ELEMENT, "GstMpeg2Subt",
- &mpeg2subt_info, 0);
+ g_type_register_static (GST_TYPE_ELEMENT, "GstMpeg2Subt",
+ &mpeg2subt_info, 0);
}
return mpeg2subt_type;
}
@@ -128,7 +129,7 @@ gst_mpeg2subt_class_init (GstMpeg2SubtClass * klass)
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
- g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SKIP, g_param_spec_int ("skip", "skip", "skip", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SKIP, g_param_spec_int ("skip", "skip", "skip", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
@@ -193,68 +194,68 @@ gst_mpeg2subt_parse_header (GstMpeg2Subt * mpeg2subt)
while (i < mpeg2subt->packet_size) {
dummy = buffer[i];
switch (dummy) {
- case 0x01: /* null packet ? */
- i++;
- break;
- case 0x02: /* 02 ff (ff) is the end of the packet */
- i = mpeg2subt->packet_size;
- break;
- case 0x03: /* palette */
- mpeg2subt->color[0] = yuv_color[buffer[i + 1] >> 4];
- mpeg2subt->color[1] = yuv_color[buffer[i + 1] & 0xf];
- mpeg2subt->color[2] = yuv_color[buffer[i + 2] >> 4];
- mpeg2subt->color[3] = yuv_color[buffer[i + 2] & 0xf];
- mpeg2subt->color[4] = yuv_color[0xf];
- GST_DEBUG ("mpeg2subt: colors %d %d %d %d", mpeg2subt->color[0],
- mpeg2subt->color[1], mpeg2subt->color[2], mpeg2subt->color[3]);
- i += 3;
- break;
- case 0x04: /* transparency palette */
- mpeg2subt->trans[3] = buffer[i + 1] >> 4;
- mpeg2subt->trans[2] = buffer[i + 1] & 0xf;
- mpeg2subt->trans[1] = buffer[i + 2] >> 4;
- mpeg2subt->trans[0] = buffer[i + 2] & 0xf;
- GST_DEBUG ("mpeg2subt: transparency %d %d %d %d", mpeg2subt->trans[0],
- mpeg2subt->trans[1], mpeg2subt->trans[2], mpeg2subt->trans[3]);
- i += 3;
- break;
- case 0x05: /* image coordinates */
- mpeg2subt->width = 1 + (((buffer[i + 2] & 0x0f) << 8) + buffer[i + 3])
- - ((((unsigned int) buffer[i + 1]) << 4) + (buffer[i + 2] >> 4));
- mpeg2subt->height = 1 + (((buffer[i + 5] & 0x0f) << 8) + buffer[i + 6])
- - ((((unsigned int) buffer[i + 4]) << 4) + (buffer[i + 5] >> 4));
- i += 7;
- break;
- case 0x06: /* image 1 / image 2 offsets */
- mpeg2subt->offset[0] =
- (((unsigned int) buffer[i + 1]) << 8) + buffer[i + 2];
- mpeg2subt->offset[1] =
- (((unsigned int) buffer[i + 3]) << 8) + buffer[i + 4];
- i += 5;
- break;
- case 0xff: /* "ff xx yy zz uu" with 'zz uu' == start of control packet
- * xx and yy are the end time in 90th/sec
- */
- mpeg2subt->duration =
- (((buffer[i + 1] << 8) + buffer[i + 2]) * 25) / 90;
-
- GST_DEBUG ("duration %d", mpeg2subt->duration);
-
- if ((buffer[i + 3] != buffer[mpeg2subt->data_size + 2])
- || (buffer[i + 4] != buffer[mpeg2subt->data_size + 3])) {
- g_print
- ("mpeg2subt: invalid control header (%.2x%.2x != %.2x%.2x) !\n",
- buffer[i + 3], buffer[i + 4], buffer[mpeg2subt->data_size + 2],
- buffer[mpeg2subt->data_size + 3]);
+ case 0x01: /* null packet ? */
+ i++;
+ break;
+ case 0x02: /* 02 ff (ff) is the end of the packet */
+ i = mpeg2subt->packet_size;
+ break;
+ case 0x03: /* palette */
+ mpeg2subt->color[0] = yuv_color[buffer[i + 1] >> 4];
+ mpeg2subt->color[1] = yuv_color[buffer[i + 1] & 0xf];
+ mpeg2subt->color[2] = yuv_color[buffer[i + 2] >> 4];
+ mpeg2subt->color[3] = yuv_color[buffer[i + 2] & 0xf];
+ mpeg2subt->color[4] = yuv_color[0xf];
+ GST_DEBUG ("mpeg2subt: colors %d %d %d %d", mpeg2subt->color[0],
+ mpeg2subt->color[1], mpeg2subt->color[2], mpeg2subt->color[3]);
+ i += 3;
+ break;
+ case 0x04: /* transparency palette */
+ mpeg2subt->trans[3] = buffer[i + 1] >> 4;
+ mpeg2subt->trans[2] = buffer[i + 1] & 0xf;
+ mpeg2subt->trans[1] = buffer[i + 2] >> 4;
+ mpeg2subt->trans[0] = buffer[i + 2] & 0xf;
+ GST_DEBUG ("mpeg2subt: transparency %d %d %d %d", mpeg2subt->trans[0],
+ mpeg2subt->trans[1], mpeg2subt->trans[2], mpeg2subt->trans[3]);
+ i += 3;
+ break;
+ case 0x05: /* image coordinates */
+ mpeg2subt->width = 1 + (((buffer[i + 2] & 0x0f) << 8) + buffer[i + 3])
+ - ((((unsigned int) buffer[i + 1]) << 4) + (buffer[i + 2] >> 4));
+ mpeg2subt->height = 1 + (((buffer[i + 5] & 0x0f) << 8) + buffer[i + 6])
+ - ((((unsigned int) buffer[i + 4]) << 4) + (buffer[i + 5] >> 4));
+ i += 7;
+ break;
+ case 0x06: /* image 1 / image 2 offsets */
+ mpeg2subt->offset[0] =
+ (((unsigned int) buffer[i + 1]) << 8) + buffer[i + 2];
+ mpeg2subt->offset[1] =
+ (((unsigned int) buffer[i + 3]) << 8) + buffer[i + 4];
+ i += 5;
+ break;
+ case 0xff: /* "ff xx yy zz uu" with 'zz uu' == start of control packet
+ * xx and yy are the end time in 90th/sec
+ */
+ mpeg2subt->duration =
+ (((buffer[i + 1] << 8) + buffer[i + 2]) * 25) / 90;
+
+ GST_DEBUG ("duration %d", mpeg2subt->duration);
+
+ if ((buffer[i + 3] != buffer[mpeg2subt->data_size + 2])
+ || (buffer[i + 4] != buffer[mpeg2subt->data_size + 3])) {
+ g_print
+ ("mpeg2subt: invalid control header (%.2x%.2x != %.2x%.2x) !\n",
+ buffer[i + 3], buffer[i + 4], buffer[mpeg2subt->data_size + 2],
+ buffer[mpeg2subt->data_size + 3]);
/* FIXME */
/* exit(1); */
- }
- i += 5;
- break;
+ }
+ i += 5;
+ break;
default:
- g_print ("mpeg2subt: invalid sequence in control header (%.2x) !\n",
- dummy);
- break;
+ g_print ("mpeg2subt: invalid sequence in control header (%.2x) !\n",
+ dummy);
+ break;
}
}
}
@@ -298,46 +299,46 @@ gst_mpeg2subt_merge_title (GstMpeg2Subt * mpeg2subt, GstBuffer * buf)
gint length, colorid;
code = get_nibble ();
- if (code >= 0x4) { /* 4 .. f */
+ if (code >= 0x4) { /* 4 .. f */
found_code:
length = code >> 2;
colorid = code & 3;
while (length--)
- if (x++ < width) {
- if (mpeg2subt->trans[colorid] != 0x0) {
- *target++ = mpeg2subt->color[colorid];
- } else
- target++;
- }
+ if (x++ < width) {
+ if (mpeg2subt->trans[colorid] != 0x0) {
+ *target++ = mpeg2subt->color[colorid];
+ } else
+ target++;
+ }
if (x >= width) {
- if (!aligned)
- get_nibble ();
- goto next_line;
+ if (!aligned)
+ get_nibble ();
+ goto next_line;
}
continue;
}
code = (code << 4) + get_nibble ();
- if (code >= 0x10) /* 1x .. 3x */
+ if (code >= 0x10) /* 1x .. 3x */
goto found_code;
code = (code << 4) + get_nibble ();
- if (code >= 0x40) /* 04x .. 0fx */
+ if (code >= 0x40) /* 04x .. 0fx */
goto found_code;
code = (code << 4) + get_nibble ();
- if (code >= 0x100) /* 01xx .. 03xx */
+ if (code >= 0x100) /* 01xx .. 03xx */
goto found_code;
/* 00xx - should only happen for 00 00 */
if (!aligned)
- code = (code << 4) + get_nibble (); /* 0 0x xx */
+ code = (code << 4) + get_nibble (); /* 0 0x xx */
if (code) {
g_print
- ("mpeg2subt: got unknown code 00%x (offset %x side %x, x=%d, y=%d)\n",
- code, mpeg2subt->offset[id], id, x, y);
+ ("mpeg2subt: got unknown code 00%x (offset %x side %x, x=%d, y=%d)\n",
+ code, mpeg2subt->offset[id], id, x, y);
goto next_line;
}
next_line:
@@ -395,7 +396,7 @@ gst_mpeg2subt_chain_subtitle (GstPad * pad, GstData * _data)
if (mpeg2subt->packet_size == size) {
GST_DEBUG ("mpeg2subt: subtitle packet size %d, current size %ld",
- mpeg2subt->packet_size, size);
+ mpeg2subt->packet_size, size);
mpeg2subt->data_size = GUINT16_FROM_BE (*(guint16 *) (data + 2));
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-28 06:27:17 +0000