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![Zebediah Figura](/assets/img/avatar_default.png)
Signed-off-by: Zebediah Figura <z.figura12@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
602 lines
19 KiB
C
602 lines
19 KiB
C
/*
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* Generic Implementation of strmbase Base Renderer classes
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*
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* Copyright 2012 Aric Stewart, CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "strmbase_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(quartz);
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/* The following quality-of-service code is based on GstBaseSink QoS code, which
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* is covered by the following copyright information:
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*
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* GStreamer
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* Copyright (C) 2005-2007 Wim Taymans <wim.taymans@gmail.com>
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*
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* gstbasesink.c: Base class for sink elements
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#define DO_RUNNING_AVG(avg,val,size) (((val) + ((size)-1) * (avg)) / (size))
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/* Generic running average; this has a neutral window size. */
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#define UPDATE_RUNNING_AVG(avg,val) DO_RUNNING_AVG(avg,val,8)
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/* The windows for these running averages are experimentally obtained.
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* Positive values get averaged more, while negative values use a small
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* window so we can react faster to badness. */
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#define UPDATE_RUNNING_AVG_P(avg,val) DO_RUNNING_AVG(avg,val,16)
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#define UPDATE_RUNNING_AVG_N(avg,val) DO_RUNNING_AVG(avg,val,4)
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static void reset_qos(struct strmbase_renderer *filter)
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{
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filter->last_left = filter->avg_duration = filter->avg_pt = -1;
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filter->avg_rate = -1.0;
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}
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static void perform_qos(struct strmbase_renderer *filter,
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const REFERENCE_TIME start, const REFERENCE_TIME stop, REFERENCE_TIME jitter)
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{
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REFERENCE_TIME pt, entered, left, duration;
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double rate;
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if (jitter < 0)
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{
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/* This is the time the buffer entered the sink. */
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if (start < -jitter)
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entered = 0;
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else
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entered = start + jitter;
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left = start;
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}
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else
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{
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/* This is the time the buffer entered the sink. */
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entered = start + jitter;
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/* This is the time the buffer left the sink. */
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left = start + jitter;
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}
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/* Calculate the duration of the buffer. */
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if (stop >= start)
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duration = stop - start;
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else
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duration = 0;
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/* If we have the time when the last buffer left us, calculate processing
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* time. */
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if (filter->last_left >= 0)
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{
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if (entered > filter->last_left)
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pt = entered - filter->last_left;
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else
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pt = 0;
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}
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else
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{
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pt = filter->avg_pt;
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}
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TRACE("start %s, entered %s, left %s, pt %s, duration %s, jitter %s.\n",
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debugstr_time(start), debugstr_time(entered), debugstr_time(left),
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debugstr_time(pt), debugstr_time(duration), debugstr_time(jitter));
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TRACE("average duration %s, average pt %s, average rate %.16e.\n",
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debugstr_time(filter->avg_duration), debugstr_time(filter->avg_pt), filter->avg_rate);
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/* Collect running averages. For first observations, we copy the values. */
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if (filter->avg_duration < 0)
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filter->avg_duration = duration;
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else
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filter->avg_duration = UPDATE_RUNNING_AVG(filter->avg_duration, duration);
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if (filter->avg_pt < 0)
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filter->avg_pt = pt;
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else
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filter->avg_pt = UPDATE_RUNNING_AVG(filter->avg_pt, pt);
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if (filter->avg_duration != 0)
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rate = (double)filter->avg_pt / (double)filter->avg_duration;
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else
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rate = 0.0;
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if (filter->last_left >= 0)
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{
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if (filter->avg_rate < 0.0)
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{
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filter->avg_rate = rate;
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}
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else
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{
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if (rate > 1.0)
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filter->avg_rate = UPDATE_RUNNING_AVG_N(filter->avg_rate, rate);
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else
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filter->avg_rate = UPDATE_RUNNING_AVG_P(filter->avg_rate, rate);
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}
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}
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if (filter->avg_rate >= 0.0)
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{
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Quality q;
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/* If we have a valid rate, start sending QoS messages. */
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if (jitter < 0)
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{
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/* Make sure we never go below 0 when adding the jitter to the
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* timestamp. */
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if (start < -jitter)
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jitter = -start;
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}
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else
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{
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jitter += stop - start;
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}
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q.Type = (jitter > 0 ? Famine : Flood);
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q.Proportion = 1000.0 / filter->avg_rate;
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if (q.Proportion < 200)
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q.Proportion = 200;
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else if (q.Proportion > 5000)
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q.Proportion = 5000;
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q.Late = jitter;
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q.TimeStamp = start;
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IQualityControl_Notify(&filter->IQualityControl_iface, &filter->filter.IBaseFilter_iface, q);
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}
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/* Record when this buffer will leave us. */
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filter->last_left = left;
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}
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static inline struct strmbase_renderer *impl_from_strmbase_filter(struct strmbase_filter *iface)
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{
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return CONTAINING_RECORD(iface, struct strmbase_renderer, filter);
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}
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static inline struct strmbase_renderer *impl_from_IPin(IPin *iface)
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{
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return CONTAINING_RECORD(iface, struct strmbase_renderer, sink.pin.IPin_iface);
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}
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static struct strmbase_pin *renderer_get_pin(struct strmbase_filter *iface, unsigned int index)
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{
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struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
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if (index == 0)
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return &filter->sink.pin;
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return NULL;
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}
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static void renderer_destroy(struct strmbase_filter *iface)
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{
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struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
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filter->ops->renderer_destroy(filter);
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}
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static HRESULT renderer_query_interface(struct strmbase_filter *iface, REFIID iid, void **out)
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{
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struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
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HRESULT hr;
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if (filter->ops->renderer_query_interface
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&& SUCCEEDED(hr = filter->ops->renderer_query_interface(filter, iid, out)))
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{
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return hr;
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}
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if (IsEqualGUID(iid, &IID_IMediaPosition))
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*out = &filter->passthrough.IMediaPosition_iface;
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else if (IsEqualGUID(iid, &IID_IMediaSeeking))
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*out = &filter->passthrough.IMediaSeeking_iface;
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else if (IsEqualGUID(iid, &IID_IQualityControl))
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*out = &filter->IQualityControl_iface;
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else
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return E_NOINTERFACE;
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IUnknown_AddRef((IUnknown *)*out);
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return S_OK;
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}
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static HRESULT renderer_init_stream(struct strmbase_filter *iface)
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{
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struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
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if (filter->sink.pin.peer)
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ResetEvent(filter->state_event);
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filter->eos = FALSE;
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ResetEvent(filter->flush_event);
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if (filter->ops->renderer_init_stream)
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filter->ops->renderer_init_stream(filter);
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return filter->sink.pin.peer ? S_FALSE : S_OK;
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}
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static HRESULT renderer_start_stream(struct strmbase_filter *iface, REFERENCE_TIME start)
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{
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struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
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IFilterGraph *graph = filter->filter.graph;
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IMediaEventSink *event_sink;
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filter->stream_start = start;
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SetEvent(filter->state_event);
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SetEvent(filter->run_event);
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reset_qos(filter);
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if (filter->sink.pin.peer && filter->ops->renderer_start_stream)
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filter->ops->renderer_start_stream(filter);
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if (filter->eos && graph
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&& SUCCEEDED(IFilterGraph_QueryInterface(graph,
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&IID_IMediaEventSink, (void **)&event_sink)))
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{
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IMediaEventSink_Notify(event_sink, EC_COMPLETE, S_OK,
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(LONG_PTR)&filter->filter.IBaseFilter_iface);
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IMediaEventSink_Release(event_sink);
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}
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return S_OK;
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}
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static HRESULT renderer_stop_stream(struct strmbase_filter *iface)
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{
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struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
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ResetEvent(filter->run_event);
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if (filter->sink.pin.peer && filter->ops->renderer_stop_stream)
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filter->ops->renderer_stop_stream(filter);
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return S_OK;
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}
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static HRESULT renderer_cleanup_stream(struct strmbase_filter *iface)
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{
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struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
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strmbase_passthrough_invalidate_time(&filter->passthrough);
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SetEvent(filter->state_event);
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SetEvent(filter->flush_event);
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return S_OK;
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}
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static HRESULT renderer_wait_state(struct strmbase_filter *iface, DWORD timeout)
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{
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struct strmbase_renderer *filter = impl_from_strmbase_filter(iface);
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if (WaitForSingleObject(filter->state_event, timeout) == WAIT_TIMEOUT)
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return VFW_S_STATE_INTERMEDIATE;
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return S_OK;
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}
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static const struct strmbase_filter_ops filter_ops =
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{
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.filter_get_pin = renderer_get_pin,
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.filter_destroy = renderer_destroy,
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.filter_query_interface = renderer_query_interface,
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.filter_init_stream = renderer_init_stream,
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.filter_start_stream = renderer_start_stream,
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.filter_stop_stream = renderer_stop_stream,
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.filter_cleanup_stream = renderer_cleanup_stream,
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.filter_wait_state = renderer_wait_state,
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};
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static HRESULT sink_query_accept(struct strmbase_pin *pin, const AM_MEDIA_TYPE *mt)
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{
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struct strmbase_renderer *filter = impl_from_IPin(&pin->IPin_iface);
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return filter->ops->renderer_query_accept(filter, mt);
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}
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static HRESULT sink_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
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{
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struct strmbase_renderer *filter = impl_from_IPin(&iface->IPin_iface);
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HRESULT hr;
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if (filter->ops->renderer_pin_query_interface
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&& SUCCEEDED(hr = filter->ops->renderer_pin_query_interface(filter, iid, out)))
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return hr;
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if (IsEqualGUID(iid, &IID_IMemInputPin))
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*out = &filter->sink.IMemInputPin_iface;
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else
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return E_NOINTERFACE;
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IUnknown_AddRef((IUnknown *)*out);
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return S_OK;
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}
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static HRESULT WINAPI BaseRenderer_Receive(struct strmbase_sink *pin, IMediaSample *sample)
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{
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struct strmbase_renderer *filter = impl_from_IPin(&pin->pin.IPin_iface);
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REFERENCE_TIME start, stop;
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BOOL need_wait = FALSE;
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FILTER_STATE state;
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HRESULT hr = S_OK;
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AM_MEDIA_TYPE *mt;
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if (filter->eos || filter->sink.flushing)
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return S_FALSE;
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state = filter->filter.state;
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if (state == State_Stopped)
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return VFW_E_WRONG_STATE;
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if (IMediaSample_GetMediaType(sample, &mt) == S_OK)
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{
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TRACE("Format change.\n");
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strmbase_dump_media_type(mt);
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if (FAILED(filter->ops->renderer_query_accept(filter, mt)))
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return VFW_E_TYPE_NOT_ACCEPTED;
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DeleteMediaType(mt);
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}
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if (filter->filter.clock && SUCCEEDED(IMediaSample_GetTime(sample, &start, &stop)))
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{
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strmbase_passthrough_update_time(&filter->passthrough, start);
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need_wait = TRUE;
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}
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if (state == State_Paused)
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{
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HANDLE events[2] = {filter->run_event, filter->flush_event};
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filter->current_sample = sample;
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hr = filter->ops->renderer_render(filter, sample);
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SetEvent(filter->state_event);
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LeaveCriticalSection(&filter->filter.stream_cs);
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WaitForMultipleObjects(2, events, FALSE, INFINITE);
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EnterCriticalSection(&filter->filter.stream_cs);
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filter->current_sample = NULL;
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}
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if (need_wait)
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{
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REFERENCE_TIME now, jitter;
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DWORD_PTR cookie;
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IReferenceClock_GetTime(filter->filter.clock, &now);
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/* "jitter" describes how early (negative) or late (positive) this
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* buffer arrived, relative to its PTS. */
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jitter = (now - filter->stream_start) - start;
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if (jitter <= -10000) /* if we are early by at least 1 ms */
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{
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HANDLE handles[2] = {filter->advise_event, filter->flush_event};
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DWORD ret;
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IReferenceClock_AdviseTime(filter->filter.clock, filter->stream_start,
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start, (HEVENT)filter->advise_event, &cookie);
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ret = WaitForMultipleObjects(2, handles, FALSE, INFINITE);
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IReferenceClock_Unadvise(filter->filter.clock, cookie);
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if (ret == 1)
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{
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TRACE("Flush signaled; discarding current sample.\n");
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return S_OK;
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}
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}
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if (state == State_Running)
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hr = filter->ops->renderer_render(filter, sample);
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perform_qos(filter, start, stop, jitter);
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}
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else
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{
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if (state == State_Running)
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hr = filter->ops->renderer_render(filter, sample);
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}
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return hr;
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}
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static HRESULT sink_connect(struct strmbase_sink *iface, IPin *peer, const AM_MEDIA_TYPE *mt)
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{
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struct strmbase_renderer *filter = impl_from_IPin(&iface->pin.IPin_iface);
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if (filter->ops->renderer_connect)
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return filter->ops->renderer_connect(filter, mt);
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return S_OK;
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}
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static void sink_disconnect(struct strmbase_sink *iface)
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{
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struct strmbase_renderer *filter = impl_from_IPin(&iface->pin.IPin_iface);
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if (filter->ops->renderer_disconnect)
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filter->ops->renderer_disconnect(filter);
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}
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static HRESULT sink_eos(struct strmbase_sink *iface)
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{
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struct strmbase_renderer *filter = impl_from_IPin(&iface->pin.IPin_iface);
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IFilterGraph *graph = filter->filter.graph;
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IMediaEventSink *event_sink;
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filter->eos = TRUE;
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if (filter->filter.state == State_Running && graph
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&& SUCCEEDED(IFilterGraph_QueryInterface(graph,
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&IID_IMediaEventSink, (void **)&event_sink)))
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{
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IMediaEventSink_Notify(event_sink, EC_COMPLETE, S_OK,
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(LONG_PTR)&filter->filter.IBaseFilter_iface);
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IMediaEventSink_Release(event_sink);
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}
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strmbase_passthrough_eos(&filter->passthrough);
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SetEvent(filter->state_event);
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return S_OK;
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}
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static HRESULT sink_begin_flush(struct strmbase_sink *iface)
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{
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struct strmbase_renderer *filter = impl_from_IPin(&iface->pin.IPin_iface);
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SetEvent(filter->flush_event);
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return S_OK;
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}
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static HRESULT sink_end_flush(struct strmbase_sink *iface)
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{
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struct strmbase_renderer *filter = impl_from_IPin(&iface->pin.IPin_iface);
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EnterCriticalSection(&filter->filter.stream_cs);
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filter->eos = FALSE;
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reset_qos(filter);
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strmbase_passthrough_invalidate_time(&filter->passthrough);
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ResetEvent(filter->flush_event);
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LeaveCriticalSection(&filter->filter.stream_cs);
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return S_OK;
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}
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static const struct strmbase_sink_ops sink_ops =
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{
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.base.pin_query_accept = sink_query_accept,
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.base.pin_query_interface = sink_query_interface,
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.pfnReceive = BaseRenderer_Receive,
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.sink_connect = sink_connect,
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.sink_disconnect = sink_disconnect,
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.sink_eos = sink_eos,
|
|
.sink_begin_flush = sink_begin_flush,
|
|
.sink_end_flush = sink_end_flush,
|
|
};
|
|
|
|
static struct strmbase_renderer *impl_from_IQualityControl(IQualityControl *iface)
|
|
{
|
|
return CONTAINING_RECORD(iface, struct strmbase_renderer, IQualityControl_iface);
|
|
}
|
|
|
|
static HRESULT WINAPI quality_control_QueryInterface(IQualityControl *iface, REFIID iid, void **out)
|
|
{
|
|
struct strmbase_renderer *filter = impl_from_IQualityControl(iface);
|
|
return IUnknown_QueryInterface(filter->filter.outer_unk, iid, out);
|
|
}
|
|
|
|
static ULONG WINAPI quality_control_AddRef(IQualityControl *iface)
|
|
{
|
|
struct strmbase_renderer *filter = impl_from_IQualityControl(iface);
|
|
return IUnknown_AddRef(filter->filter.outer_unk);
|
|
}
|
|
|
|
static ULONG WINAPI quality_control_Release(IQualityControl *iface)
|
|
{
|
|
struct strmbase_renderer *filter = impl_from_IQualityControl(iface);
|
|
return IUnknown_Release(filter->filter.outer_unk);
|
|
}
|
|
|
|
static HRESULT WINAPI quality_control_Notify(IQualityControl *iface, IBaseFilter *sender, Quality q)
|
|
{
|
|
struct strmbase_renderer *filter = impl_from_IQualityControl(iface);
|
|
HRESULT hr = S_FALSE;
|
|
|
|
TRACE("filter %p, sender %p, type %#x, proportion %u, late %s, timestamp %s.\n",
|
|
filter, sender, q.Type, q.Proportion, debugstr_time(q.Late), debugstr_time(q.TimeStamp));
|
|
|
|
if (filter->qc_sink)
|
|
return IQualityControl_Notify(filter->qc_sink, &filter->filter.IBaseFilter_iface, q);
|
|
|
|
if (filter->sink.pin.peer)
|
|
{
|
|
IQualityControl *peer_qc = NULL;
|
|
IPin_QueryInterface(filter->sink.pin.peer, &IID_IQualityControl, (void **)&peer_qc);
|
|
if (peer_qc)
|
|
{
|
|
hr = IQualityControl_Notify(peer_qc, &filter->filter.IBaseFilter_iface, q);
|
|
IQualityControl_Release(peer_qc);
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI quality_control_SetSink(IQualityControl *iface, IQualityControl *sink)
|
|
{
|
|
struct strmbase_renderer *filter = impl_from_IQualityControl(iface);
|
|
|
|
TRACE("filter %p, sink %p.\n", filter, sink);
|
|
|
|
filter->qc_sink = sink;
|
|
return S_OK;
|
|
}
|
|
|
|
static const IQualityControlVtbl quality_control_vtbl =
|
|
{
|
|
quality_control_QueryInterface,
|
|
quality_control_AddRef,
|
|
quality_control_Release,
|
|
quality_control_Notify,
|
|
quality_control_SetSink,
|
|
};
|
|
|
|
void strmbase_renderer_cleanup(struct strmbase_renderer *filter)
|
|
{
|
|
if (filter->sink.pin.peer)
|
|
IPin_Disconnect(filter->sink.pin.peer);
|
|
IPin_Disconnect(&filter->sink.pin.IPin_iface);
|
|
strmbase_sink_cleanup(&filter->sink);
|
|
|
|
strmbase_passthrough_cleanup(&filter->passthrough);
|
|
|
|
CloseHandle(filter->state_event);
|
|
CloseHandle(filter->advise_event);
|
|
CloseHandle(filter->run_event);
|
|
CloseHandle(filter->flush_event);
|
|
strmbase_filter_cleanup(&filter->filter);
|
|
}
|
|
|
|
void strmbase_renderer_init(struct strmbase_renderer *filter, IUnknown *outer,
|
|
const CLSID *clsid, const WCHAR *sink_name, const struct strmbase_renderer_ops *ops)
|
|
{
|
|
memset(filter, 0, sizeof(*filter));
|
|
strmbase_filter_init(&filter->filter, outer, clsid, &filter_ops);
|
|
strmbase_passthrough_init(&filter->passthrough, (IUnknown *)&filter->filter.IBaseFilter_iface);
|
|
ISeekingPassThru_Init(&filter->passthrough.ISeekingPassThru_iface, TRUE, &filter->sink.pin.IPin_iface);
|
|
filter->IQualityControl_iface.lpVtbl = &quality_control_vtbl;
|
|
|
|
filter->ops = ops;
|
|
|
|
strmbase_sink_init(&filter->sink, &filter->filter, sink_name, &sink_ops, NULL);
|
|
|
|
filter->state_event = CreateEventW(NULL, TRUE, TRUE, NULL);
|
|
filter->advise_event = CreateEventW(NULL, FALSE, FALSE, NULL);
|
|
filter->run_event = CreateEventW(NULL, TRUE, FALSE, NULL);
|
|
filter->flush_event = CreateEventW(NULL, TRUE, TRUE, NULL);
|
|
}
|