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simplify, and factorize 

Originally committed as revision 15062 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2008-08-30 22:45:32 +00:00
parent 0c0c4d6450
commit 6fdb4fb0f5
1 changed files with 6 additions and 7 deletions
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13
libavformat/mxfenc.c
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@ -338,18 +338,17 @@ static void mxf_write_local_tag_utf16(ByteIOContext *pb, int tag, const char *va
static void mxf_write_identification(AVFormatContext *s)
{
ByteIOContext *pb = s->pb;
const char *company = "FFmpeg";
const char *product = "OP1a Muxer";
const char *version;
int length, company_name_len, product_name_len, version_string_len;
int length;
mxf_write_metadata_key(pb, 0x013000);
PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
company_name_len = strlen("FFmpeg") * 2;
product_name_len = strlen("OP1a Muxer") * 2;
length = 80 + company_name_len + product_name_len;
version = s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT ?
"0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
length += 4 + strlen(version)*2;
length = 84 + (strlen(company)+strlen(product)+strlen(version))*2; // utf-16
klv_encode_ber_length(pb, length);
// write uid
@ -360,8 +359,8 @@ static void mxf_write_identification(AVFormatContext *s)
mxf_write_local_tag(pb, 16, 0x3C09);
mxf_write_uuid(pb, Identification, 1);
mxf_write_local_tag_utf16(pb, 0x3C01, "FFmpeg"); // Company Name
mxf_write_local_tag_utf16(pb, 0x3C02, "OP1a Muxer"); // Product Name
mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
// write product uid