-/* return the length and optionally the data */
-static int hex_to_data(uint8_t *data, const char *p)
-{
- int c, len, v;
-
- len = 0;
- v = 1;
- for (;;) {
- skip_spaces(&p);
- if (*p == '\0')
- break;
- c = toupper((unsigned char) *p++);
- if (c >= '0' && c <= '9')
- c = c - '0';
- else if (c >= 'A' && c <= 'F')
- c = c - 'A' + 10;
- else
- break;
- v = (v << 4) | c;
- if (v & 0x100) {
- if (data)
- data[len] = v;
- len++;
- v = 1;
- }
- }
- return len;
-}
-
-static void sdp_parse_fmtp_config(AVCodecContext * codec, void *ctx,
- char *attr, char *value)
-{
- switch (codec->codec_id) {
- case CODEC_ID_MPEG4:
- case CODEC_ID_AAC:
- if (!strcmp(attr, "config")) {
- /* decode the hexa encoded parameter */
- int len = hex_to_data(NULL, value);
- if (codec->extradata)
- av_free(codec->extradata);
- codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
- if (!codec->extradata)
- return;
- codec->extradata_size = len;
- hex_to_data(codec->extradata, value);
- }
- break;
- default:
- break;
- }
- return;
-}
-
-typedef struct {
- const char *str;
- uint16_t type;
- uint32_t offset;
-} AttrNameMap;
-
-/* All known fmtp parameters and the corresponding RTPAttrTypeEnum */
-#define ATTR_NAME_TYPE_INT 0
-#define ATTR_NAME_TYPE_STR 1
-static const AttrNameMap attr_names[]=
-{
- { "SizeLength", ATTR_NAME_TYPE_INT,
- offsetof(RTPPayloadData, sizelength) },
- { "IndexLength", ATTR_NAME_TYPE_INT,
- offsetof(RTPPayloadData, indexlength) },
- { "IndexDeltaLength", ATTR_NAME_TYPE_INT,
- offsetof(RTPPayloadData, indexdeltalength) },
- { "profile-level-id", ATTR_NAME_TYPE_INT,
- offsetof(RTPPayloadData, profile_level_id) },
- { "StreamType", ATTR_NAME_TYPE_INT,
- offsetof(RTPPayloadData, streamtype) },
- { "mode", ATTR_NAME_TYPE_STR,
- offsetof(RTPPayloadData, mode) },
- { NULL, -1, -1 },
-};
-