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Change-Id: I4e3fbcf85f3e1867aeb577681c7e32a01e56f2c4
This commit is contained in:
Neels Hofmeyr
2024-03-22 06:18:49 +01:00
parent ab70b7f3fa
commit b86c401cf9
1 changed files with 16 additions and 10 deletions
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26
src/libosmo-sdp/sdp_msg.c
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@@ -170,7 +170,7 @@ int sdp_parse_attrib(struct osmo_sdp_msg *sdp, const char *src)
if (str_is_attrib(src, OSMO_SDP_STR_RTPMAP, ':')) {
/* "a=rtpmap:96 AMR/8000" */
struct token audio_name;
unsigned int channels = 1;
const char *slash;
if (sscanf(src, OSMO_SDP_STR_RTPMAP ":%u", &payload_type) != 1)
return -EINVAL;
@@ -183,16 +183,22 @@ int sdp_parse_attrib(struct osmo_sdp_msg *sdp, const char *src)
if (audio_name.start >= get_line_end(src))
return -EINVAL;
audio_name.end = strchr(audio_name.start, '/');
if (!audio_name.end || audio_name.end > line_end)
audio_name.end = line_end;
token_copy(codec, &codec->encoding_name, &audio_name);
/* '< 1' is enough, the second '/%u' is optional */
if (sscanf(audio_name.end, "/%u/%u", &codec->rate, &channels) < 1)
return -EINVAL;
slash = strchr(audio_name.start, '/');
if (channels != 1)
return -ENOTSUP;
audio_name.end = slash ? : line_end;
token_copy(codec, &codec->encoding_name, &audio_name);
if (audio_name.end >= line_end) {
/* There should be a "/8000" here. If it is missing, let's not be strict about it. */
codec->rate = 8000;
} else {
unsigned int channels = 1;
if (sscanf(audio_name.end, "/%u/%u", &codec->rate, &channels) < 1)
return -EINVAL;
if (channels != 1)
return -ENOTSUP;
}
}
else if (str_is_attrib(src, OSMO_SDP_STR_FMTP, ':')) {