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avformat/asfdec_f: Add ASFDataType, use named types for metadata

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This is based on asfdec_o.c, but uses a proper type instead of defines

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
John Adlum 2015-07-02 00:15:13 +02:00 committed by Michael Niedermayer
parent 59fffefdb4
commit 72cad80016
2 changed files with 24 additions and 6 deletions
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10
libavformat/asf.h
View File

@ -28,6 +28,16 @@
#define PACKET_SIZE 3200
typedef enum ASFDataType {
ASF_UNICODE = 0,
ASF_BYTE_ARRAY = 1,
ASF_BOOL = 2,
ASF_DWORD = 3,
ASF_QWORD = 4,
ASF_WORD = 5,
ASF_GUID = 6,
}ASFDataType;
typedef struct ASFMainHeader {
ff_asf_guid guid; ///< generated by client computer
uint64_t file_size; /**< in bytes

20
libavformat/asfdec_f.c
View File

@ -327,12 +327,15 @@ static void get_tag(AVFormatContext *s, const char *key, int type, int len, int
if (!value)
goto finish;
if (type == 0) { // UTF16-LE
switch (type) {
case ASF_UNICODE:
avio_get_str16le(s->pb, len, value, 2 * len + 1);
} else if (type == -1) { // ASCII
break;
case -1: // ASCI
avio_read(s->pb, value, len);
value[len]=0;
} else if (type == 1) { // byte array
break;
case ASF_BYTE_ARRAY:
if (!strcmp(key, "WM/Picture")) { // handle cover art
asf_read_picture(s, len);
} else if (!strcmp(key, "ID3")) { // handle ID3 tag
@ -341,13 +344,18 @@ static void get_tag(AVFormatContext *s, const char *key, int type, int len, int
av_log(s, AV_LOG_VERBOSE, "Unsupported byte array in tag %s.\n", key);
}
goto finish;
} else if (type > 1 && type <= 5) { // boolean or DWORD or QWORD or WORD
case ASF_BOOL:
case ASF_DWORD:
case ASF_QWORD:
case ASF_WORD: {
uint64_t num = get_value(s->pb, type, type2_size);
snprintf(value, LEN, "%"PRIu64, num);
} else if (type == 6) { // (don't) handle GUID
break;
}
case ASF_GUID:
av_log(s, AV_LOG_DEBUG, "Unsupported GUID value in tag %s.\n", key);
goto finish;
} else {
default:
av_log(s, AV_LOG_DEBUG,
"Unsupported value type %d in tag %s.\n", type, key);
goto finish;