-
- p[0] = 0x10; /* textFormat, 0x10 for 3GPP TS 26.245 */
- p[1] = 0x00; /* flags: 1b: associated video info flag
- 3b: reserved
- 1b: duration flag
- 3b: reserved */
- p[2] = 52; /* remaining size */
-
- p += 3;
-
- p[0] = p[1] = p[2] = p[3] = 0; p+=4; /* display flags */
- *p++ = 0; /* horizontal justification (-1: left, 0 center, 1 right) */
- *p++ = 1; /* vertical justification (-1: top, 0 center, 1 bottom) */
-
- p[0] = p[1] = p[2] = 0x00; p+=3;/* background rgb */
- *p++ = 0xff; /* background a */
-
- p[0] = p[1] = 0; p += 2; /* text box top */
- p[0] = p[1] = 0; p += 2; /* text box left */
- p[0] = p[1] = 0; p += 2; /* text box bottom */
- p[0] = p[1] = 0; p += 2; /* text box right */
-
- p[0] = p[1] = 0; p += 2; /* start char */
- p[0] = p[1] = 0; p += 2; /* end char */
- p[0] = p[1] = 0; p += 2; /* default font id */
-
- *p++ = 0; /* font style flags */
- *p++ = 12; /* font size */
-
- p[0] = p[1] = p[2] = 0x00; p+=3;/* foreground rgb */
- *p++ = 0x00; /* foreground a */
-
- p[0] = p[1] = p[2] = 0; p[3] = 22; p += 4;
- memcpy( p, "ftab", 4 ); p += 4;
- *p++ = 0; *p++ = 1; /* entry count */
- p[0] = p[1] = 0; p += 2; /* font id */
- *p++ = 9; /* font name length */
- memcpy( p, "Helvetica", 9 ); /* font name */
+ if( p )
+ {
+ p[0] = 0x10; /* textFormat, 0x10 for 3GPP TS 26.245 */
+ p[1] = 0x00; /* flags: 1b: associated video info flag
+ 3b: reserved
+ 1b: duration flag
+ 3b: reserved */
+ p[2] = 52; /* remaining size */
+
+ p += 3;
+
+ p[0] = p[1] = p[2] = p[3] = 0; p+=4; /* display flags */
+ *p++ = 0; /* horizontal justification (-1: left, 0 center, 1 right) */
+ *p++ = 1; /* vertical justification (-1: top, 0 center, 1 bottom) */
+
+ p[0] = p[1] = p[2] = 0x00; p+=3;/* background rgb */
+ *p++ = 0xff; /* background a */
+
+ p[0] = p[1] = 0; p += 2; /* text box top */
+ p[0] = p[1] = 0; p += 2; /* text box left */
+ p[0] = p[1] = 0; p += 2; /* text box bottom */
+ p[0] = p[1] = 0; p += 2; /* text box right */
+
+ p[0] = p[1] = 0; p += 2; /* start char */
+ p[0] = p[1] = 0; p += 2; /* end char */
+ p[0] = p[1] = 0; p += 2; /* default font id */
+
+ *p++ = 0; /* font style flags */
+ *p++ = 12; /* font size */
+
+ p[0] = p[1] = p[2] = 0x00; p+=3;/* foreground rgb */
+ *p++ = 0x00; /* foreground a */
+
+ p[0] = p[1] = p[2] = 0; p[3] = 22; p += 4;
+ memcpy( p, "ftab", 4 ); p += 4;
+ *p++ = 0; *p++ = 1; /* entry count */
+ p[0] = p[1] = 0; p += 2; /* font id */
+ *p++ = 9; /* font name length */
+ memcpy( p, "Helvetica", 9 ); /* font name */
+ }
+ else p_stream->i_decoder_specific_info = 0;
+ }
+ else
+ {
+ /* Copy extra data (VOL for MPEG-4 and extra BitMapInfoHeader for VFW */
+ p_stream->i_decoder_specific_info = p_input->p_fmt->i_extra;
+ if( p_stream->i_decoder_specific_info > 0 )
+ {
+ p_stream->p_decoder_specific_info =
+ malloc( p_stream->i_decoder_specific_info );
+ if( p_stream->p_decoder_specific_info )
+ {
+ memcpy( p_stream->p_decoder_specific_info,
+ p_input->p_fmt->p_extra,
+ p_input->p_fmt->i_extra );
+ }
+ else p_stream->i_decoder_specific_info = 0;
+ }