From 2450cff2c3317b589575fc99dce26ddc605883ee Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fran=C3=A7ois=20Revol?= Date: Sun, 21 Nov 2004 18:04:56 +0000 Subject: [PATCH] BeOS threading support. changed some "if FOO_THREAD||BAR_THREAD" to a more generic "if HAVE_THREADS" Originally committed as revision 3702 to svn://svn.ffmpeg.org/ffmpeg/trunk --- configure | 10 ++- ffmpeg.c | 8 +-- ffplay.c | 4 +- libavcodec/Makefile | 4 ++ libavcodec/beosthread.c | 133 ++++++++++++++++++++++++++++++++++++++++ libavcodec/utils.c | 2 +- 6 files changed, 153 insertions(+), 8 deletions(-) create mode 100644 libavcodec/beosthread.c diff --git a/configure b/configure index 289a327291..2722a9d7da 100755 --- a/configure +++ b/configure @@ -323,7 +323,7 @@ esac # of AltiVec on PowerPC TARGET_OS=`( uname -s ) 2>&1` case "$TARGET_OS" in - Linux|FreeBSD|NetBSD|BSD/OS|OpenBSD|SunOS|QNX|Darwin|GNU) + Linux|FreeBSD|NetBSD|BSD/OS|OpenBSD|SunOS|QNX|Darwin|GNU|BeOS) ;; IRIX*) TARGET_OS=IRIX @@ -1215,6 +1215,7 @@ fi if test "$pthreads" = "yes" ; then echo "HAVE_PTHREADS=yes" >> config.mak echo "#define HAVE_PTHREADS 1" >> $TMPH + echo "#define HAVE_THREADS 1" >> $TMPH if test $targetos != FreeBSD; then extralibs="$extralibs -lpthread" fi @@ -1366,6 +1367,7 @@ if test "$mingw32" = "yes" ; then echo "CONFIG_WIN32=yes" >> config.mak echo "HAVE_W32THREADS=yes" >> config.mak echo "#define HAVE_W32THREADS 1" >> $TMPH + echo "#define HAVE_THREADS 1" >> $TMPH echo "#ifndef __MINGW32__" >> $TMPH echo "#define __MINGW32__ 1" >> $TMPH echo "#endif" >> $TMPH @@ -1380,6 +1382,12 @@ if test "$TARGET_OS" = "SunOS" ; then echo "#define CONFIG_SUNOS 1" >> $TMPH fi +if test "$TARGET_OS" = "BeOS" ; then + echo "HAVE_BEOSTHREADS=yes" >> config.mak + echo "#define HAVE_BEOSTHREADS 1" >> $TMPH + echo "#define HAVE_THREADS 1" >> $TMPH +fi + if test "$darwin" = "yes"; then echo "#define CONFIG_DARWIN 1" >> $TMPH echo "CONFIG_DARWIN=yes" >> config.mak diff --git a/ffmpeg.c b/ffmpeg.c index 31efd0ce9f..1c7118e204 100644 --- a/ffmpeg.c +++ b/ffmpeg.c @@ -2555,7 +2555,7 @@ static void opt_me_range(const char *arg) static void opt_thread_count(const char *arg) { thread_count= atoi(arg); -#if !defined(HAVE_PTHREADS) && !defined(HAVE_W32THREADS) +#if !defined(HAVE_THREADS) if (verbose >= 0) fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n"); #endif @@ -2825,7 +2825,7 @@ static void opt_input_file(const char *filename) /* update the current parameters so that they match the one of the input stream */ for(i=0;inb_streams;i++) { AVCodecContext *enc = &ic->streams[i]->codec; -#if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS) +#if defined(HAVE_THREADS) if(thread_count>1) avcodec_thread_init(enc, thread_count); #endif @@ -2992,7 +2992,7 @@ static void opt_output_file(const char *filename) fprintf(stderr, "Could not alloc stream\n"); exit(1); } -#if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS) +#if defined(HAVE_THREADS) if(thread_count>1) avcodec_thread_init(&st->codec, thread_count); #endif @@ -3244,7 +3244,7 @@ static void opt_output_file(const char *filename) fprintf(stderr, "Could not alloc stream\n"); exit(1); } -#if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS) +#if defined(HAVE_THREADS) if(thread_count>1) avcodec_thread_init(&st->codec, thread_count); #endif diff --git a/ffplay.c b/ffplay.c index c8d91997f3..13fbd989a7 100644 --- a/ffplay.c +++ b/ffplay.c @@ -1174,7 +1174,7 @@ static int stream_component_open(VideoState *is, int stream_index) if (!codec || avcodec_open(enc, codec) < 0) return -1; -#if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS) +#if defined(HAVE_THREADS) if(thread_count>1) avcodec_thread_init(enc, thread_count); #endif @@ -1809,7 +1809,7 @@ static void opt_vismv(const char *arg) static void opt_thread_count(const char *arg) { thread_count= atoi(arg); -#if !defined(HAVE_PTHREADS) && !defined(HAVE_W32THREADS) +#if !defined(HAVE_THREADS) fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n"); #endif } diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 7d5e780676..67e6a30ff6 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -43,6 +43,10 @@ ifeq ($(HAVE_W32THREADS),yes) OBJS+= w32thread.o endif +ifeq ($(HAVE_BEOSTHREADS),yes) +OBJS+= beosthread.o +endif + ifeq ($(AMR_WB),yes) OBJS+= amr.o amrwb_float/dec_acelp.o amrwb_float/dec_dtx.o amrwb_float/dec_gain.o \ amrwb_float/dec_if.o amrwb_float/dec_lpc.o amrwb_float/dec_main.o \ diff --git a/libavcodec/beosthread.c b/libavcodec/beosthread.c new file mode 100644 index 0000000000..90ff1f452d --- /dev/null +++ b/libavcodec/beosthread.c @@ -0,0 +1,133 @@ +/* + * Copyright (c) 2004 François Revol + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ +//#define DEBUG + +#include "avcodec.h" +#include "common.h" + +#include + +typedef struct ThreadContext{ + AVCodecContext *avctx; + thread_id thread; + sem_id work_sem; + sem_id done_sem; + int (*func)(AVCodecContext *c, void *arg); + void *arg; + int ret; +}ThreadContext; + + +static int32 ff_thread_func(void *v){ + ThreadContext *c= v; + + for(;;){ +//printf("thread_func %X enter wait\n", (int)v); fflush(stdout); + acquire_sem(c->work_sem); +//printf("thread_func %X after wait (func=%X)\n", (int)v, (int)c->func); fflush(stdout); + if(c->func) + c->ret= c->func(c->avctx, c->arg); + else + return 0; +//printf("thread_func %X signal complete\n", (int)v); fflush(stdout); + release_sem(c->done_sem); + } + + return B_OK; +} + +/** + * free what has been allocated by avcodec_thread_init(). + * must be called after decoding has finished, especially dont call while avcodec_thread_execute() is running + */ +void avcodec_thread_free(AVCodecContext *s){ + ThreadContext *c= s->thread_opaque; + int i; + int32 ret; + + for(i=0; ithread_count; i++){ + + c[i].func= NULL; + release_sem(c[i].work_sem); + wait_for_thread(c[i].thread, &ret); + if(c[i].work_sem > B_OK) delete_sem(c[i].work_sem); + if(c[i].done_sem > B_OK) delete_sem(c[i].done_sem); + } + + av_freep(&s->thread_opaque); +} + +int avcodec_thread_execute(AVCodecContext *s, int (*func)(AVCodecContext *c2, void *arg2),void **arg, int *ret, int count){ + ThreadContext *c= s->thread_opaque; + int i; + + assert(s == c->avctx); + assert(count <= s->thread_count); + + /* note, we can be certain that this is not called with the same AVCodecContext by different threads at the same time */ + + for(i=0; ithread_count= thread_count; + + assert(!s->thread_opaque); + c= av_mallocz(sizeof(ThreadContext)*thread_count); + s->thread_opaque= c; + + for(i=0; iexecute= avcodec_thread_execute; + + return 0; +fail: + avcodec_thread_free(s); + return -1; +} diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 6702cd1ae8..c1f88d0cb4 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -912,7 +912,7 @@ void av_log_set_callback(void (*callback)(void*, int, const char*, va_list)) av_log_callback = callback; } -#if !defined(HAVE_PTHREADS) && !defined(HAVE_W32THREADS) +#if !defined(HAVE_THREADS) int avcodec_thread_init(AVCodecContext *s, int thread_count){ return -1; } -- GitLab