From ee7c4c58319f0d081f5a684a97faa33b8614206f Mon Sep 17 00:00:00 2001 From: David Ng Date: Thu, 22 Mar 2018 23:49:12 -0700 Subject: Relocate power HAL from device/qcom/common Split module from combined device/qcom/common project into its own project. Relocation of some files from device/qcom/common at b5ce80cb1f60759a142a9338104d3adf3303ec0c. Change-Id: I6c13729a822f6fb9b5574b759ae9ec12154be464 --- metadata-parser.c | 133 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 133 insertions(+) create mode 100644 metadata-parser.c (limited to 'metadata-parser.c') diff --git a/metadata-parser.c b/metadata-parser.c new file mode 100644 index 0000000..c9122a4 --- /dev/null +++ b/metadata-parser.c @@ -0,0 +1,133 @@ +/* Copyright (c) 2012, The Linux Foundation. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * * Neither the name of The Linux Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include +#include +#include + +#include "metadata-defs.h" + +int parse_metadata(char *metadata, char **metadata_saveptr, + char *attribute, int attribute_size, char *value, int value_size) +{ + char *attribute_string; + char *attribute_value_delim; + unsigned int bytes_to_copy; + + attribute_string = strtok_r(metadata, ATTRIBUTE_STRING_DELIM, + metadata_saveptr); + + if (attribute_string == NULL) + return METADATA_PARSING_DONE; + + attribute[0] = value[0] = '\0'; + + if ((attribute_value_delim = strchr(attribute_string, + ATTRIBUTE_VALUE_DELIM)) != NULL) { + bytes_to_copy = MIN((attribute_value_delim - attribute_string), + attribute_size - 1); + /* Replace strncpy with strlcpy + * Add +1 to bytes_to_copy as strlcpy copies size-1 bytes */ + strlcpy(attribute, attribute_string, + bytes_to_copy+1); + + bytes_to_copy = MIN(strlen(attribute_string) - strlen(attribute) - 1, + value_size - 1); + /* Replace strncpy with strlcpy + * Add +1 to bytes_to_copy as strlcpy copies size-1 bytes */ + strlcpy(value, attribute_value_delim + 1, + bytes_to_copy+1); + } + + return METADATA_PARSING_CONTINUE; +} + +int parse_video_encode_metadata(char *metadata, + struct video_encode_metadata_t *video_encode_metadata) +{ + char attribute[1024], value[1024], *saveptr; + char *temp_metadata = metadata; + int parsing_status; + + while ((parsing_status = parse_metadata(temp_metadata, &saveptr, + attribute, sizeof(attribute), value, sizeof(value))) == METADATA_PARSING_CONTINUE) { + if (strlen(attribute) == strlen("hint_id") && + (strncmp(attribute, "hint_id", strlen("hint_id")) == 0)) { + if (strlen(value) > 0) { + video_encode_metadata->hint_id = atoi(value); + } + } + + if (strlen(attribute) == strlen("state") && + (strncmp(attribute, "state", strlen("state")) == 0)) { + if (strlen(value) > 0) { + video_encode_metadata->state = atoi(value); + } + } + + temp_metadata = NULL; + } + + if (parsing_status == METADATA_PARSING_ERR) + return -1; + + return 0; +} + +int parse_video_decode_metadata(char *metadata, + struct video_decode_metadata_t *video_decode_metadata) +{ + char attribute[1024], value[1024], *saveptr; + char *temp_metadata = metadata; + int parsing_status; + + while ((parsing_status = parse_metadata(temp_metadata, &saveptr, + attribute, sizeof(attribute), value, sizeof(value))) == METADATA_PARSING_CONTINUE) { + if (strlen(attribute) == strlen("hint_id") && + (strncmp(attribute, "hint_id", strlen("hint_id")) == 0)) { + if (strlen(value) > 0) { + video_decode_metadata->hint_id = atoi(value); + } + } + + if (strlen(attribute) == strlen("state") && + (strncmp(attribute, "state", strlen("state")) == 0)) { + if (strlen(value) > 0) { + video_decode_metadata->state = atoi(value); + } + } + + temp_metadata = NULL; + } + + if (parsing_status == METADATA_PARSING_ERR) + return -1; + + return 0; +} -- cgit v1.2.3