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Dvr: support h265 flv fragments. v6.0.162 v7.0.24 (#4296)

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1. Issue
When segmenting H.265 encoded FLV files using a DVR, the system does not
create FLV segments at regular intervals as specified by the
`dvr_wait_keyframe` configuration.

2. Configure dvr.segment.conf
```config

listen              1935;
max_connections     1000;
daemon              off;
srs_log_tank        console;
vhost __defaultVhost__ {
    dvr {
        enabled      on;
        dvr_path     ./objs/nginx/html/[app]/[stream].[timestamp].flv;
        dvr_plan     segment;
        dvr_duration    30;
        dvr_wait_keyframe       on;
    }
}
```

3. Stream Push Testing
Domestic FFmpeg version (codecId=12)
```sh
hevc-12-ffmpeg -stream_loop -1 -re -i 264_aac.flv -c:v libx265 -preset fast -b:v 2000k -maxrate 2000k -bufsize 4000k -bf 0 -c:a aac -b:a 128k -ar 44100 -ac 2 -f flv rtmp://localhost/live/livestream
```
FFmpeg version 6.0 or higher (supports `enhanced RTMP`)
```sh
ffmpeg -stream_loop -1 -re -i 264_aac.flv -c:v libx265 -preset fast -b:v 2000k -maxrate 2000k -bufsize 4000k -bf 0 -c:a aac -b:a 128k -ar 44100 -ac 2 -f flv rtmp://localhost/live/livestream
```

OBS streaming (version 30.0 or above supports `enhanced RTMP`)

![image](https://github.com/user-attachments/assets/fd2806c3-b0e3-44c4-a2d5-e04e6e5386ff)

![image](https://github.com/user-attachments/assets/15ef9c45-e15a-426e-b70c-d4bdd5dc8055)

SRS player (supports both `enhanced RTMP` and `codec=12 FLV`)
```
http://127.0.0.1:8080/players/srs_player.html
```
Domestic ffplay (supports `codec=12 FLV`)
```
hevc-12-ffplay http://127.0.0.1:8080/live/livestream.1740311867638.flv
```
ffplay (versions above ffmpeg 6.0 support `enhanced RTMP`)
```
ffplay http://127.0.0.1:8080/live/livestream.1740311867638.flv
```

![image](https://github.com/user-attachments/assets/711a4182-418c-4134-934f-cba41a08e06f)

---------

`TRANS_BY_GPT4`

---------

Co-authored-by: Haibo Chen <495810242@qq.com>
Co-authored-by: john <hondaxiao@tencent.com>
Co-authored-by: winlin <winlinvip@gmail.com>

---------

Co-authored-by: john <hondaxiao@tencent.com>
This commit is contained in:
john 2025-03-18 07:36:46 +08:00
parent b1185d588f
commit 2b89f7e7e8
3 changed files with 9 additions and 2 deletions
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1
trunk/doc/CHANGELOG.md
View File

@ -7,6 +7,7 @@ The changelog for SRS.
<a name="v6-changes"></a>
## SRS 6.0 Changelog
* v6.0, 2025-03-06, Merge [#4296](https://github.com/ossrs/srs/pull/4296): Dvr: support h265 flv fragments. v6.0.162 (#4296)
* v6.0, 2025-02-20, Merge [#4253](https://github.com/ossrs/srs/pull/4253): fix typo about heartbeat. v6.0.161 (#4253)
* v6.0, 2025-02-19, Merge [#4291](https://github.com/ossrs/srs/pull/4291): fix ci error. v6.0.160 (#4291)
* v6.0, 2025-01-14, Merge [#4271](https://github.com/ossrs/srs/pull/4271): update copyright to 2025. v6.0.159 (#4271)

8
trunk/src/app/srs_app_dvr.cpp
View File

@ -868,7 +868,13 @@ srs_error_t SrsDvrSegmentPlan::update_duration(SrsSharedPtrMessage* msg)
char* payload = msg->payload;
int size = msg->size;
bool is_key_frame = SrsFlvVideo::h264(payload, size) && SrsFlvVideo::keyframe(payload, size) && !SrsFlvVideo::sh(payload, size);
bool codec_ok = SrsFlvVideo::h264(payload, size);
#ifdef SRS_H265
codec_ok = codec_ok? true : SrsFlvVideo::hevc(payload, size);
#endif
bool is_key_frame = codec_ok && SrsFlvVideo::keyframe(payload, size) && !SrsFlvVideo::sh(payload, size);
if (!is_key_frame) {
return err;
}

2
trunk/src/core/srs_core_version6.hpp
View File

@ -9,6 +9,6 @@
#define VERSION_MAJOR 6
#define VERSION_MINOR 0
#define VERSION_REVISION 161
#define VERSION_REVISION 162
#endif