Add m-esr52 at 52.6.0

1 files changed, 236 insertions, 0 deletions

diff --git a/media/libav/libavutil/log.c b/media/libav/libavutil/log.c
new file mode 100644
index 000000000..d38e40bfd
--- /dev/null
+++ b/media/libav/libavutil/log.c
@@ -0,0 +1,236 @@
+/*
+ * log functions
+ * Copyright (c) 2003 Michel Bardiaux
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * logging functions
+ */
+
+#include "config.h"
+
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if HAVE_IO_H
+#include <io.h>
+#endif
+#include <stdarg.h>
+#include <stdlib.h>
+#include "avstring.h"
+#include "avutil.h"
+#include "common.h"
+#include "internal.h"
+#include "log.h"
+
+static int av_log_level = AV_LOG_INFO;
+static int flags;
+
+#if HAVE_SETCONSOLETEXTATTRIBUTE
+#include <windows.h>
+static const uint8_t color[] = { 12, 12, 12, 14, 7, 10, 11 };
+static int16_t background, attr_orig;
+static HANDLE con;
+#define set_color(x)  SetConsoleTextAttribute(con, background | color[x])
+#define reset_color() SetConsoleTextAttribute(con, attr_orig)
+#define print_256color(x)
+#else
+static const uint8_t color[] = { 0x41, 0x41, 0x11, 0x03, 9, 0x02, 0x06 };
+#define set_color(x)  fprintf(stderr, "\033[%d;3%dm", color[x] >> 4, color[x]&15)
+#define print_256color(x) fprintf(stderr, "\033[38;5;%dm", x)
+#define reset_color() fprintf(stderr, "\033[0m")
+#endif
+static int use_color = -1;
+
+static void check_color_terminal(void)
+{
+#if HAVE_SETCONSOLETEXTATTRIBUTE
+    CONSOLE_SCREEN_BUFFER_INFO con_info;
+    con = GetStdHandle(STD_ERROR_HANDLE);
+    use_color = (con != INVALID_HANDLE_VALUE) && !getenv("NO_COLOR") &&
+                !getenv("AV_LOG_FORCE_NOCOLOR");
+    if (use_color) {
+        GetConsoleScreenBufferInfo(con, &con_info);
+        attr_orig  = con_info.wAttributes;
+        background = attr_orig & 0xF0;
+    }
+#elif HAVE_ISATTY
+    char *term = getenv("TERM");
+    use_color = !getenv("NO_COLOR") && !getenv("AV_LOG_FORCE_NOCOLOR") &&
+                (getenv("TERM") && isatty(2) || getenv("AV_LOG_FORCE_COLOR"));
+    if (use_color)
+        use_color += term && strstr(term, "256color");
+#else
+    use_color = getenv("AV_LOG_FORCE_COLOR") && !getenv("NO_COLOR") &&
+               !getenv("AV_LOG_FORCE_NOCOLOR");
+#endif
+}
+
+static void colored_fputs(int level, int tint, const char *str)
+{
+    if (use_color < 0)
+        check_color_terminal();
+
+    switch (use_color) {
+    case 1:
+        set_color(level);
+        break;
+    case 2:
+        set_color(level);
+        if (tint)
+            print_256color(tint);
+        break;
+    default:
+        break;
+    }
+    fputs(str, stderr);
+    if (use_color) {
+        reset_color();
+    }
+}
+
+const char *av_default_item_name(void *ptr)
+{
+    return (*(AVClass **) ptr)->class_name;
+}
+
+void av_log_default_callback(void *avcl, int level, const char *fmt, va_list vl)
+{
+    static int print_prefix = 1;
+    static int count;
+    static char prev[1024];
+    char line[1024];
+    static int is_atty;
+    AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
+    unsigned tint = level & 0xff00;
+
+    level &= 0xff;
+
+    if (level > av_log_level)
+        return;
+    line[0] = 0;
+    if (print_prefix && avc) {
+        if (avc->parent_log_context_offset) {
+            AVClass** parent = *(AVClass ***) (((uint8_t *) avcl) +
+                                   avc->parent_log_context_offset);
+            if (parent && *parent) {
+                snprintf(line, sizeof(line), "[%s @ %p] ",
+                         (*parent)->item_name(parent), parent);
+            }
+        }
+        snprintf(line + strlen(line), sizeof(line) - strlen(line), "[%s @ %p] ",
+                 avc->item_name(avcl), avcl);
+    }
+
+    vsnprintf(line + strlen(line), sizeof(line) - strlen(line), fmt, vl);
+
+    print_prefix = strlen(line) && line[strlen(line) - 1] == '\n';
+
+#if HAVE_ISATTY
+    if (!is_atty)
+        is_atty = isatty(2) ? 1 : -1;
+#endif
+
+    if (print_prefix && (flags & AV_LOG_SKIP_REPEATED) &&
+        !strncmp(line, prev, sizeof line)) {
+        count++;
+        if (is_atty == 1)
+            fprintf(stderr, "    Last message repeated %d times\r", count);
+        return;
+    }
+    if (count > 0) {
+        fprintf(stderr, "    Last message repeated %d times\n", count);
+        count = 0;
+    }
+    colored_fputs(av_clip(level >> 3, 0, 6), tint >> 8, line);
+    av_strlcpy(prev, line, sizeof line);
+}
+
+static void (*av_log_callback)(void*, int, const char*, va_list) =
+    av_log_default_callback;
+
+void av_log(void* avcl, int level, const char *fmt, ...)
+{
+    AVClass* avc = avcl ? *(AVClass **) avcl : NULL;
+    va_list vl;
+    va_start(vl, fmt);
+    if (avc && avc->version >= (50 << 16 | 15 << 8 | 2) &&
+        avc->log_level_offset_offset && level >= AV_LOG_FATAL)
+        level += *(int *) (((uint8_t *) avcl) + avc->log_level_offset_offset);
+    av_vlog(avcl, level, fmt, vl);
+    va_end(vl);
+}
+
+void av_vlog(void* avcl, int level, const char *fmt, va_list vl)
+{
+    av_log_callback(avcl, level, fmt, vl);
+}
+
+int av_log_get_level(void)
+{
+    return av_log_level;
+}
+
+void av_log_set_level(int level)
+{
+    av_log_level = level;
+}
+
+void av_log_set_flags(int arg)
+{
+    flags = arg;
+}
+
+void av_log_set_callback(void (*callback)(void*, int, const char*, va_list))
+{
+    av_log_callback = callback;
+}
+
+static void missing_feature_sample(int sample, void *avc, const char *msg,
+                                   va_list argument_list)
+{
+    av_vlog(avc, AV_LOG_WARNING, msg, argument_list);
+    av_log(avc, AV_LOG_WARNING, " is not implemented. Update your Libav "
+           "version to the newest one from Git. If the problem still "
+           "occurs, it means that your file has a feature which has not "
+           "been implemented.\n");
+    if (sample)
+        av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample "
+               "of this file to ftp://upload.libav.org/incoming/ "
+               "and contact the libav-devel mailing list.\n");
+}
+
+void avpriv_request_sample(void *avc, const char *msg, ...)
+{
+    va_list argument_list;
+
+    va_start(argument_list, msg);
+    missing_feature_sample(1, avc, msg, argument_list);
+    va_end(argument_list);
+}
+
+void avpriv_report_missing_feature(void *avc, const char *msg, ...)
+{
+    va_list argument_list;
+
+    va_start(argument_list, msg);
+    missing_feature_sample(0, avc, msg, argument_list);
+    va_end(argument_list);
+}