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winegstreamer: Avoid using gst_util_uint64_scale() in send_sample(). 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2021-02-16 19:28:30 -06:00 committed by Alexandre Julliard
parent e848a00d26
commit 1babfe7d49
1 changed files with 49 additions and 2 deletions
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51
dlls/winegstreamer/gstdemux.c
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@ -566,6 +566,53 @@ static bool amt_to_wg_format(const AM_MEDIA_TYPE *mt, struct wg_format *format)
return false; return false;
} }
/*
* scale_uint64() is based on gst_util_scale_int() from GStreamer, which is
* covered by the following license:
*
* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
* 2002 Thomas Vander Stichele <thomas@apestaart.org>
* 2004 Wim Taymans <wim@fluendo.com>
* 2015 Jan Schmidt <jan@centricular.com>
*
* gstutils.c: Utility functions
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
static uint64_t scale_uint64(uint64_t value, uint32_t numerator, uint32_t denominator)
{
ULARGE_INTEGER i, high, low;
if (!value)
return 0;
i.QuadPart = value;
low.QuadPart = i.u.LowPart * numerator;
high.QuadPart = i.u.HighPart * numerator + low.u.HighPart;
low.u.HighPart = 0;
if (high.u.HighPart >= denominator)
return ULLONG_MAX;
low.QuadPart += (high.QuadPart % denominator) << 32;
return ((high.QuadPart / denominator) << 32) + (low.QuadPart / denominator);
}
/* Fill and send a single IMediaSample. */ /* Fill and send a single IMediaSample. */
static HRESULT send_sample(struct parser_source *pin, IMediaSample *sample, static HRESULT send_sample(struct parser_source *pin, IMediaSample *sample,
const struct wg_parser_event *event, uint32_t offset, uint32_t size, DWORD bytes_per_second) const struct wg_parser_event *event, uint32_t offset, uint32_t size, DWORD bytes_per_second)
@ -594,7 +641,7 @@ static HRESULT send_sample(struct parser_source *pin, IMediaSample *sample,
REFERENCE_TIME start_pts = event->u.buffer.pts; REFERENCE_TIME start_pts = event->u.buffer.pts;
if (offset) if (offset)
start_pts += gst_util_uint64_scale(offset, 10000000, bytes_per_second); start_pts += scale_uint64(offset, 10000000, bytes_per_second);
start_pts -= pin->seek.llCurrent; start_pts -= pin->seek.llCurrent;
start_pts *= pin->seek.dRate; start_pts *= pin->seek.dRate;
@ -603,7 +650,7 @@ static HRESULT send_sample(struct parser_source *pin, IMediaSample *sample,
REFERENCE_TIME end_pts = event->u.buffer.pts + event->u.buffer.duration; REFERENCE_TIME end_pts = event->u.buffer.pts + event->u.buffer.duration;
if (offset + size < event->u.buffer.size) if (offset + size < event->u.buffer.size)
end_pts = event->u.buffer.pts + gst_util_uint64_scale(offset + size, 10000000, bytes_per_second); end_pts = event->u.buffer.pts + scale_uint64(offset + size, 10000000, bytes_per_second);
end_pts -= pin->seek.llCurrent; end_pts -= pin->seek.llCurrent;
end_pts *= pin->seek.dRate; end_pts *= pin->seek.dRate;