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introduce mxf_write_local_tag_utf16 and factorize

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Originally committed as revision 15058 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2008-08-30 22:32:23 +00:00
parent 6b05863aa9
commit 9fedbc8910
1 changed files with 7 additions and 12 deletions
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19
libavformat/mxfenc.c
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@ -325,11 +325,12 @@ static void mxf_write_preface(AVFormatContext *s)
} }
/* /*
* Write an ascii string as utf-16 * Write a local tag containing an ascii string as utf-16
*/ */
static void mxf_write_utf16(ByteIOContext *pb, const char *value) static void mxf_write_local_tag_utf16(ByteIOContext *pb, int tag, const char *value)
{ {
int i, size = strlen(value); int i, size = strlen(value);
mxf_write_local_tag(pb, size*2, tag);
for (i = 0; i < size; i++) for (i = 0; i < size; i++)
put_be16(pb, value[i]); put_be16(pb, value[i]);
} }
@ -359,16 +360,10 @@ static void mxf_write_identification(AVFormatContext *s)
mxf_write_local_tag(pb, 16, 0x3C09); mxf_write_local_tag(pb, 16, 0x3C09);
mxf_write_uuid(pb, Identification, 1); mxf_write_uuid(pb, Identification, 1);
mxf_write_local_tag(pb, company_name_len, 0x3C01); mxf_write_local_tag_utf16(pb, 0x3C01, "FFmpeg"); // Company Name
mxf_write_utf16(pb, "FFmpeg"); mxf_write_local_tag_utf16(pb, 0x3C02, "OP1a Muxer"); // Product Name
if (!(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT))
mxf_write_local_tag(pb, product_name_len, 0x3C02); mxf_write_local_tag_utf16(pb, 0x3C04, LIBAVFORMAT_IDENT); // Version String
mxf_write_utf16(pb, "OP1a Muxer");
if (!(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT)) {
mxf_write_local_tag(pb, version_string_len, 0x3C04);
mxf_write_utf16(pb, LIBAVFORMAT_IDENT);
}
// write product uid // write product uid
mxf_write_local_tag(pb, 16, 0x3C05); mxf_write_local_tag(pb, 16, 0x3C05);