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red: fix fmtp payload type collision handling

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along the lines of RTX handling but with limited support for missing
fmtp lines because of video/red.

BUG=webrtc:13178

Change-Id: Ia866c0e857da6da2ef1e4b81b51f90f534c7bb83
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/231948
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org>
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35107}
This commit is contained in:
Philipp Hancke
2021-09-28 07:46:06 +02:00
committed by WebRTC LUCI CQ
parent 4a1c2c4754
commit 7145a1421b
4 changed files with 400 additions and 11 deletions
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3
media/base/media_constants.cc
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@ -39,6 +39,9 @@ const char kCodecParamRtxTime[] = "rtx-time";
const char kCodecParamAssociatedPayloadType[] = "apt";
const char kCodecParamAssociatedCodecName[] = "acn";
// Parameters that do not follow the key-value convention
// are treated as having the empty string as key.
const char kCodecParamNotInNameValueFormat[] = "";
const char kOpusCodecName[] = "opus";
const char kIsacCodecName[] = "ISAC";

1
media/base/media_constants.h
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@ -42,6 +42,7 @@ extern const char kCodecParamRtxTime[];
extern const char kCodecParamAssociatedPayloadType[];
extern const char kCodecParamAssociatedCodecName[];
extern const char kCodecParamNotInNameValueFormat[];
extern const char kOpusCodecName[];
extern const char kIsacCodecName[];