forked from osmocom/wireshark
![Gerald Combs](/assets/img/avatar_default.png)
Note the "initial". This is woefully incomplete. See the "to do" lists below and in the code. This differs a bit from the GTK+ version in that you specify one or more streams to be decoded. Instead of showing waveforms in individual widgets, add them all to a single QCustomPlot. This conserves screen real estate and lets us more easily take advantage of the QCP API. It also looks better IMHO. Change a bunch of checks for QtMultimediaWidgets to QtMultimedia. We probably won't use the widgets until we make 5.0 our minimum Qt version and plain old QtMultimedia lets us support Qt 4 more easily (in theory at least). Add resampling code from libspeex. I initially used this to resample each packet to match the preferred rate of our output device, but this resulted in poorer audio quality than expected. Leave it in and use to create visual samples for QCP and to match rates any time the rate changes. The latter is currently untested. Add some debugging macros. Note that both the RTP player and RTP analysis dialogs decode audio data using different code. Note that voip_calls_packet and voip_calls_init_tap appear to be dead code. To do: - Add silence frames where needed. - Implement the jitter buffer. - Implement the playback timing controls. - Tapping / scanning streams might be too slow. Change-Id: I20dd3b66d3df53c9b1f3501262dc01458849f6b4 Bug: 9007 Reviewed-on: https://code.wireshark.org/review/10458 Petri-Dish: Gerald Combs <gerald@wireshark.org> Reviewed-by: Gerald Combs <gerald@wireshark.org>
116 lines
3.3 KiB
C
116 lines
3.3 KiB
C
/* Copyright (C) 2002 Jean-Marc Valin */
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/**
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@file stack_alloc.h
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@brief Temporary memory allocation on stack
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*/
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/*
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of the Xiph.org Foundation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef STACK_ALLOC_H
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#define STACK_ALLOC_H
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#ifdef USE_ALLOCA
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# ifdef WIN32
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# include <malloc.h>
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# else
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# ifdef HAVE_ALLOCA_H
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# include <alloca.h>
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# else
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# include <stdlib.h>
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# endif
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# endif
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#endif
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/**
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* @def ALIGN(stack, size)
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*
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* Aligns the stack to a 'size' boundary
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*
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* @param stack Stack
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* @param size New size boundary
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*/
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/**
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* @def PUSH(stack, size, type)
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*
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* Allocates 'size' elements of type 'type' on the stack
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*
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* @param stack Stack
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* @param size Number of elements
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* @param type Type of element
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*/
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/**
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* @def VARDECL(var)
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*
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* Declare variable on stack
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*
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* @param var Variable to declare
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*/
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/**
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* @def ALLOC(var, size, type)
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*
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* Allocate 'size' elements of 'type' on stack
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*
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* @param var Name of variable to allocate
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* @param size Number of elements
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* @param type Type of element
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*/
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#ifdef ENABLE_VALGRIND
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#include <valgrind/memcheck.h>
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#define ALIGN(stack, size) ((stack) += ((size) - (long)(stack)) & ((size) - 1))
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#define PUSH(stack, size, type) (VALGRIND_MAKE_NOACCESS(stack, 1000),ALIGN((stack),sizeof(type)),VALGRIND_MAKE_WRITABLE(stack, ((size)*sizeof(type))),(stack)+=((size)*sizeof(type)),(type*)((stack)-((size)*sizeof(type))))
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#else
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#define ALIGN(stack, size) ((stack) += ((size) - (long)(stack)) & ((size) - 1))
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#define PUSH(stack, size, type) (ALIGN((stack),sizeof(type)),(stack)+=((size)*sizeof(type)),(type*)((stack)-((size)*sizeof(type))))
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#endif
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#if defined(VAR_ARRAYS)
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#define VARDECL(var)
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#define ALLOC(var, size, type) type var[size]
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#elif defined(USE_ALLOCA)
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#define VARDECL(var) var
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#define ALLOC(var, size, type) var = alloca(sizeof(type)*(size))
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#else
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#define VARDECL(var) var
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#define ALLOC(var, size, type) var = PUSH(stack, size, type)
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#endif
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#endif
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