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mfreadwrite/reader: Add recognition of ftypeMSNV mp4 header. 

Needed by Greedfall intro videos.

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Rémi Bernon 2021-10-27 17:04:14 +02:00 committed by Alexandre Julliard
parent f82cce060d
commit ff0a13c86e
1 changed files with 2 additions and 0 deletions
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2
dlls/mfreadwrite/reader.c
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@ -2395,6 +2395,7 @@ static HRESULT bytestream_get_url_hint(IMFByteStream *stream, WCHAR const **url)
static const unsigned char wavmagic[] = { 'R', 'I', 'F', 'F',0x00,0x00,0x00,0x00, 'W', 'A', 'V', 'E', 'f', 'm', 't', ' '};
static const unsigned char wavmask[] = {0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff};
static const unsigned char isommagic[] = {0x00,0x00,0x00,0x00, 'f', 't', 'y', 'p', 'i', 's', 'o', 'm',0x00,0x00,0x00,0x00};
static const unsigned char mp4_magic[] = {0x00,0x00,0x00,0x00, 'f', 't', 'y', 'p', 'M', 'S', 'N', 'V',0x00,0x00,0x00,0x00};
static const unsigned char mp42magic[] = {0x00,0x00,0x00,0x00, 'f', 't', 'y', 'p', 'm', 'p', '4', '2',0x00,0x00,0x00,0x00};
static const unsigned char mp4mask[] = {0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00};
static const struct stream_content_url_hint
@ -2409,6 +2410,7 @@ static HRESULT bytestream_get_url_hint(IMFByteStream *stream, WCHAR const **url)
{ wavmagic, L".wav", wavmask },
{ isommagic, L".mp4", mp4mask },
{ mp42magic, L".mp4", mp4mask },
{ mp4_magic, L".mp4", mp4mask },
};
unsigned char buffer[4 * sizeof(unsigned int)], pattern[4 * sizeof(unsigned int)];
unsigned int i, j, length = 0, caps = 0;