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qtmux: truncate buffer file after each send

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Marc-André Lureau 2009-09-30 17:16:30 +02:00 committed by Tim-Philipp Müller
parent 3e6a415e52
commit c2718fdd5f
1 changed files with 22 additions and 10 deletions
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32
gst/quicktime/gstqtmux.c
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@ -1063,6 +1063,22 @@ write_error:
} }
} }
static gboolean
gst_qt_mux_seek_to_beginning (FILE * f)
{
#ifdef HAVE_FSEEKO
if (fseeko (f, (off_t) 0, SEEK_SET) != 0)
return FALSE;
#elif defined (G_OS_UNIX) || defined (G_OS_WIN32)
if (lseek (fileno (f), (off_t) 0, SEEK_SET) == (off_t) - 1)
return FALSE;
#else
if (fseek (f, (long) 0, SEEK_SET) != 0)
return FALSE;
#endif
return TRUE;
}
static GstFlowReturn static GstFlowReturn
gst_qt_mux_send_buffered_data (GstQTMux * qtmux, guint64 * offset) gst_qt_mux_send_buffered_data (GstQTMux * qtmux, guint64 * offset)
{ {
@ -1072,17 +1088,8 @@ gst_qt_mux_send_buffered_data (GstQTMux * qtmux, guint64 * offset)
if (fflush (qtmux->fast_start_file)) if (fflush (qtmux->fast_start_file))
goto flush_failed; goto flush_failed;
#ifdef HAVE_FSEEKO if (!gst_qt_mux_seek_to_beginning (qtmux->fast_start_file))
if (fseeko (qtmux->fast_start_file, (off_t) 0, SEEK_SET) != 0)
goto seek_failed; goto seek_failed;
#elif defined (G_OS_UNIX) || defined (G_OS_WIN32)
if (lseek (fileno (qtmux->fast_start_file), (off_t) 0,
SEEK_SET) == (off_t) - 1)
goto seek_failed;
#else
if (fseek (qtmux->fast_start_file, (long) 0, SEEK_SET) != 0)
goto seek_failed;
#endif
/* hm, this could all take a really really long time, /* hm, this could all take a really really long time,
* but there may not be another way to get moov atom first * but there may not be another way to get moov atom first
@ -1105,6 +1112,11 @@ gst_qt_mux_send_buffered_data (GstQTMux * qtmux, guint64 * offset)
if (buf) if (buf)
gst_buffer_unref (buf); gst_buffer_unref (buf);
if (ftruncate (fileno (qtmux->fast_start_file), 0))
goto seek_failed;
if (!gst_qt_mux_seek_to_beginning (qtmux->fast_start_file))
goto seek_failed;
return ret; return ret;
/* ERRORS */ /* ERRORS */