mirror of
https://github.com/mpv-player/mpv
synced 2024-12-22 06:42:03 +00:00
e920a00eba
The code in main.c calls exit() explicitly, but the code is actually easier to follow by simply exiting from main() instead. The exit() call in av_log.c happens only on severely broken builds, so replace it with abort(). (Shuts up rpmlint warnings.)
244 lines
7.1 KiB
C
244 lines
7.1 KiB
C
/*
|
|
* av_log to mp_msg converter
|
|
* Copyright (C) 2006 Michael Niedermayer
|
|
* Copyright (C) 2009 Uoti Urpala
|
|
*
|
|
* This file is part of MPlayer.
|
|
*
|
|
* MPlayer is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* MPlayer 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <stdbool.h>
|
|
#include <pthread.h>
|
|
|
|
#include "av_log.h"
|
|
#include "config.h"
|
|
#include "common/common.h"
|
|
#include "common/global.h"
|
|
#include "common/msg.h"
|
|
|
|
#include <libavutil/avutil.h>
|
|
#include <libavutil/log.h>
|
|
|
|
#include <libavcodec/avcodec.h>
|
|
#include <libavformat/avformat.h>
|
|
#include <libswscale/swscale.h>
|
|
|
|
#if HAVE_LIBAVDEVICE
|
|
#include <libavdevice/avdevice.h>
|
|
#endif
|
|
|
|
#if HAVE_LIBAVFILTER
|
|
#include <libavfilter/avfilter.h>
|
|
#endif
|
|
|
|
#if HAVE_LIBAVRESAMPLE
|
|
#include <libavresample/avresample.h>
|
|
#endif
|
|
#if HAVE_LIBSWRESAMPLE
|
|
#include <libswresample/swresample.h>
|
|
#endif
|
|
|
|
#if LIBAVCODEC_VERSION_MICRO >= 100
|
|
#define LIB_PREFIX "ffmpeg"
|
|
#else
|
|
#define LIB_PREFIX "libav"
|
|
#endif
|
|
|
|
// Needed because the av_log callback does not provide a library-safe message
|
|
// callback.
|
|
static pthread_mutex_t log_lock = PTHREAD_MUTEX_INITIALIZER;
|
|
static struct mpv_global *log_mpv_instance;
|
|
static struct mp_log *log_root, *log_decaudio, *log_decvideo, *log_demuxer;
|
|
static bool log_print_prefix = true;
|
|
|
|
static int av_log_level_to_mp_level(int av_level)
|
|
{
|
|
if (av_level > AV_LOG_VERBOSE)
|
|
return MSGL_DEBUG;
|
|
if (av_level > AV_LOG_INFO)
|
|
return MSGL_V;
|
|
if (av_level > AV_LOG_WARNING)
|
|
return MSGL_V;
|
|
if (av_level > AV_LOG_ERROR)
|
|
return MSGL_WARN;
|
|
if (av_level > AV_LOG_FATAL)
|
|
return MSGL_ERR;
|
|
return MSGL_FATAL;
|
|
}
|
|
|
|
static struct mp_log *get_av_log(void *ptr)
|
|
{
|
|
if (!ptr)
|
|
return log_root;
|
|
|
|
AVClass *avc = *(AVClass **)ptr;
|
|
if (!avc) {
|
|
mp_warn(log_root,
|
|
"av_log callback called with bad parameters (NULL AVClass).\n"
|
|
"This is a bug in one of Libav/FFmpeg libraries used.\n");
|
|
return log_root;
|
|
}
|
|
|
|
if (!strcmp(avc->class_name, "AVCodecContext")) {
|
|
AVCodecContext *s = ptr;
|
|
if (s->codec) {
|
|
if (s->codec->type == AVMEDIA_TYPE_AUDIO) {
|
|
if (s->codec->decode)
|
|
return log_decaudio;
|
|
} else if (s->codec->type == AVMEDIA_TYPE_VIDEO) {
|
|
if (s->codec->decode)
|
|
return log_decvideo;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!strcmp(avc->class_name, "AVFormatContext")) {
|
|
AVFormatContext *s = ptr;
|
|
if (s->iformat)
|
|
return log_demuxer;
|
|
}
|
|
|
|
return log_root;
|
|
}
|
|
|
|
static void mp_msg_av_log_callback(void *ptr, int level, const char *fmt,
|
|
va_list vl)
|
|
{
|
|
AVClass *avc = ptr ? *(AVClass **)ptr : NULL;
|
|
int mp_level = av_log_level_to_mp_level(level);
|
|
|
|
// Note: mp_log is thread-safe, but destruction of the log instances is not.
|
|
pthread_mutex_lock(&log_lock);
|
|
|
|
if (!log_mpv_instance) {
|
|
pthread_mutex_unlock(&log_lock);
|
|
// Fallback to stderr
|
|
vfprintf(stderr, fmt, vl);
|
|
return;
|
|
}
|
|
|
|
struct mp_log *log = get_av_log(ptr);
|
|
|
|
if (mp_msg_test(log, mp_level)) {
|
|
if (log_print_prefix)
|
|
mp_msg(log, mp_level, "%s: ", avc ? avc->item_name(ptr) : "?");
|
|
log_print_prefix = fmt[strlen(fmt) - 1] == '\n';
|
|
|
|
mp_msg_va(log, mp_level, fmt, vl);
|
|
}
|
|
|
|
pthread_mutex_unlock(&log_lock);
|
|
}
|
|
|
|
void init_libav(struct mpv_global *global)
|
|
{
|
|
pthread_mutex_lock(&log_lock);
|
|
if (!log_mpv_instance) {
|
|
log_mpv_instance = global;
|
|
log_root = mp_log_new(NULL, global->log, LIB_PREFIX);
|
|
log_decaudio = mp_log_new(log_root, log_root, "audio");
|
|
log_decvideo = mp_log_new(log_root, log_root, "video");
|
|
log_demuxer = mp_log_new(log_root, log_root, "demuxer");
|
|
av_log_set_callback(mp_msg_av_log_callback);
|
|
}
|
|
pthread_mutex_unlock(&log_lock);
|
|
|
|
avcodec_register_all();
|
|
av_register_all();
|
|
avformat_network_init();
|
|
|
|
#if HAVE_LIBAVFILTER
|
|
avfilter_register_all();
|
|
#endif
|
|
#if HAVE_LIBAVDEVICE
|
|
avdevice_register_all();
|
|
#endif
|
|
}
|
|
|
|
void uninit_libav(struct mpv_global *global)
|
|
{
|
|
pthread_mutex_lock(&log_lock);
|
|
if (log_mpv_instance == global) {
|
|
log_mpv_instance = NULL;
|
|
talloc_free(log_root);
|
|
}
|
|
pthread_mutex_unlock(&log_lock);
|
|
}
|
|
|
|
#define V(x) (x)>>16, (x)>>8 & 255, (x) & 255
|
|
|
|
struct lib {
|
|
const char *name;
|
|
unsigned buildv;
|
|
unsigned runv;
|
|
};
|
|
|
|
void print_libav_versions(struct mp_log *log, int v)
|
|
{
|
|
const struct lib libs[] = {
|
|
{"libavutil", LIBAVUTIL_VERSION_INT, avutil_version()},
|
|
{"libavcodec", LIBAVCODEC_VERSION_INT, avcodec_version()},
|
|
{"libavformat", LIBAVFORMAT_VERSION_INT, avformat_version()},
|
|
{"libswscale", LIBSWSCALE_VERSION_INT, swscale_version()},
|
|
#if HAVE_LIBAVFILTER
|
|
{"libavfilter", LIBAVFILTER_VERSION_INT, avfilter_version()},
|
|
#endif
|
|
#if HAVE_LIBAVRESAMPLE
|
|
{"libavresample", LIBAVRESAMPLE_VERSION_INT, avresample_version()},
|
|
#endif
|
|
#if HAVE_LIBSWRESAMPLE
|
|
{"libswresample", LIBSWRESAMPLE_VERSION_INT, swresample_version()},
|
|
#endif
|
|
};
|
|
|
|
mp_msg(log, v, "%s library versions:\n", LIB_PREFIX);
|
|
|
|
bool mismatch = false;
|
|
bool broken = false;
|
|
for (int n = 0; n < MP_ARRAY_SIZE(libs); n++) {
|
|
const struct lib *l = &libs[n];
|
|
mp_msg(log, v, " %-15s %d.%d.%d", l->name, V(l->buildv));
|
|
if (l->buildv != l->runv) {
|
|
mp_msg(log, v, " (runtime %d.%d.%d)", V(l->runv));
|
|
mismatch = true;
|
|
broken |= ((l->buildv & 255) >= 100) != ((l->runv & 255) >= 100);
|
|
}
|
|
mp_msg(log, v, "\n");
|
|
}
|
|
// This just won't work. It's 100% broken.
|
|
if (broken) {
|
|
mp_fatal(log, "mpv was compiled and linked against a mixture of Libav "
|
|
"and FFmpeg versions. This won't work and will most likely "
|
|
"crash at some point. Aborting.\n");
|
|
abort();
|
|
}
|
|
// We don't "really" support mismatched libraries, but if you like to
|
|
// suffer, you're free to enjoy the terrible aspects of dynamic linking.
|
|
// In particular, we don't use all these crazy accessors ffmpeg wants us
|
|
// to use in order to be ABI compatible after Libav merges - because that
|
|
// would make our code incompatible to Libav. It's madness.
|
|
if (mismatch) {
|
|
mp_warn(log, "Warning: mpv was compiled against a different version of "
|
|
"%s than the shared\nlibrary it is linked against. This can "
|
|
"expose subtle ABI compatibility issues\nand can lead to "
|
|
"misbehavior and crashes.\n", LIB_PREFIX);
|
|
}
|
|
}
|
|
|
|
#undef V
|