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Add a hack to detect when we are writing into a Windows pipe since the fseek 

incorrectly does not fail like it should.
This ensures we will not incorrectly append the file header at the end.
Based on patch by Zhou Zongyi [zhouzongyi at pset.suntec.net]


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29311 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2009-05-16 13:59:53 +00:00
parent 83058ab95b
commit dbe4e49033
1 changed files with 11 additions and 1 deletions
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12
libao2/ao_pcm.c
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@ -34,6 +34,10 @@
#include "mp_msg.h"
#include "help_mp.h"
#ifdef __MINGW32__
// for GetFileType to detect pipes
#include <windows.h>
#endif
static const ao_info_t info =
{
@ -175,7 +179,13 @@ static int init(int rate,int channels,int format,int flags){
static void uninit(int immed){
if(ao_pcm_waveheader){ /* Rewrite wave header */
if (fseek(fp, 0, SEEK_SET) != 0)
int broken_seek = 0;
#ifdef __MINGW32__
// Windows, in its usual idiocy "emulates" seeks on pipes so it always looks
// like they work. So we have to detect them brute-force.
broken_seek = GetFileType((HANDLE)_get_osfhandle(_fileno(fp))) != FILE_TYPE_DISK;
#endif
if (broken_seek || fseek(fp, 0, SEEK_SET) != 0)
mp_msg(MSGT_AO, MSGL_ERR, "Could not seek to start, WAV size headers not updated!\n");
else if (data_length > 0x7ffff000)
mp_msg(MSGT_AO, MSGL_ERR, "File larger than allowed for WAV files, may play truncated!\n");