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Diffstat (limited to 'media/libstagefright/foundation/ADebug.cpp')
-rw-r--r-- | media/libstagefright/foundation/ADebug.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/media/libstagefright/foundation/ADebug.cpp b/media/libstagefright/foundation/ADebug.cpp new file mode 100644 index 0000000..ec4a960 --- /dev/null +++ b/media/libstagefright/foundation/ADebug.cpp @@ -0,0 +1,117 @@ +/* + * Copyright 2014 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <errno.h> +#include <stdlib.h> +#include <ctype.h> + +#define LOG_TAG "ADebug" +#include <utils/Log.h> +#include <utils/misc.h> + +#include <cutils/properties.h> + +#include <ADebug.h> +#include <AStringUtils.h> +#include <AUtils.h> + +namespace android { + +//static +ADebug::Level ADebug::GetDebugLevelFromString( + const char *name, const char *value, ADebug::Level def) { + // split on , + const char *next = value, *current; + const unsigned long maxLevel = (unsigned long)kDebugMax; + while (next != NULL) { + current = next; + next = strchr(current, ','); + if (next != NULL) { + ++next; // pass , + } + + while (isspace(*current)) { + ++current; + } + // check for : + char *colon = strchr(current, ':'); + + // get level + char *end; + errno = 0; // strtoul does not clear errno, but it can be set for any return value + unsigned long level = strtoul(current, &end, 10); + while (isspace(*end)) { + ++end; + } + if (errno != 0 || end == current || (end != colon && *end != '\0' && end != next)) { + // invalid level - skip + continue; + } + if (colon != NULL) { + // check if pattern matches + do { // skip colon and spaces + ++colon; + } while (isspace(*colon)); + size_t globLen = (next == NULL ? strlen(colon) : (next - 1 - colon)); + while (globLen > 0 && isspace(colon[globLen - 1])) { + --globLen; // trim glob + } + + if (!AStringUtils::MatchesGlob( + colon, globLen, name, strlen(name), true /* ignoreCase */)) { + continue; + } + } + + // update debug level + def = (Level)min(level, maxLevel); + } + return def; +} + +//static +ADebug::Level ADebug::GetDebugLevelFromProperty( + const char *name, const char *propertyName, ADebug::Level def) { + char value[PROPERTY_VALUE_MAX]; + if (property_get(propertyName, value, NULL)) { + return GetDebugLevelFromString(name, value, def); + } + return def; +} + +//static +char *ADebug::GetDebugName(const char *name) { + char *debugName = strdup(name); + const char *terms[] = { "omx", "video", "audio" }; + for (size_t i = 0; i < NELEM(terms) && debugName != NULL; i++) { + const char *term = terms[i]; + const size_t len = strlen(term); + char *match = strcasestr(debugName, term); + if (match != NULL && (match == debugName || match[-1] == '.' + || match[len] == '.' || match[len] == '\0')) { + char *src = match + len; + if (match == debugName || match[-1] == '.') { + src += (*src == '.'); // remove trailing or double . + } + memmove(match, src, debugName + strlen(debugName) - src + 1); + } + } + + return debugName; +} + +} // namespace android + |