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introduce an unsupported content description type

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This carries around unsupported content descriptions
(i.e. things where webrtc does not understand the media type
or protocol) in a special data type so that a rejected content or
mediasection is added to the answer SDP.

BUG=webrtc:3513

Change-Id: Ifc4168eae11e899f2504649de5e1eecb6801a9fb
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/179082
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Philipp Hancke <philipp.hancke@googlemail.com>
Cr-Commit-Position: refs/heads/master@{#32410}
This commit is contained in:
Philipp Hancke
2020-10-13 12:43:15 +02:00
committed by Commit Bot
parent a2b31c35ff
commit 239f92ecf7
14 changed files with 291 additions and 29 deletions
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4
api/media_types.cc
View File

@ -26,6 +26,10 @@ std::string MediaTypeToString(MediaType type) {
return kMediaTypeVideo;
case MEDIA_TYPE_DATA:
return kMediaTypeData;
case MEDIA_TYPE_UNSUPPORTED:
// Unsupported media stores the m=<mediatype> differently.
RTC_NOTREACHED();
return "";
}
FATAL();
// Not reachable; avoids compile warning.

7
api/media_types.h
View File

@ -20,7 +20,12 @@
namespace cricket {
enum MediaType { MEDIA_TYPE_AUDIO, MEDIA_TYPE_VIDEO, MEDIA_TYPE_DATA };
enum MediaType {
MEDIA_TYPE_AUDIO,
MEDIA_TYPE_VIDEO,
MEDIA_TYPE_DATA,
MEDIA_TYPE_UNSUPPORTED
};
extern const char kMediaTypeAudio[];
extern const char kMediaTypeVideo[];