Libcaption

https://github.com/szatmary/libcaption
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Libcaption is a library written in C to aid in the creating and parsing of closed caption data, open...
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License:MIT
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### Build Executable and Link Library

Source: https://github.com/szatmary/libcaption/blob/develop/examples/CMakeLists.txt

Defines an executable target, links it against the 'caption' library, and installs it to the 'bin' directory.

```cmake
set(CMAKE_BUILD_TYPE Debug)

add_executable(flv2srt flv2srt.c flv.c)
target_link_libraries(flv2srt caption)
install(TARGETS flv2srt DESTINATION bin)
```

```cmake
add_executable(ts2srt ts2srt.c ts.c)
target_link_libraries(ts2srt caption)
install(TARGETS ts2srt DESTINATION bin)
```

```cmake
add_executable(scc2vtt scc2vtt.c)
target_link_libraries(scc2vtt caption)
install(TARGETS scc2vtt DESTINATION bin)
```

```cmake
add_executable(srt2vtt srt2vtt.c)
target_link_libraries(srt2vtt caption)
install(TARGETS srt2vtt DESTINATION bin)
```

```cmake
add_executable(scc2srt scc2srt.c)
target_link_libraries(scc2srt caption)
install(TARGETS scc2srt DESTINATION bin)
```

```cmake
add_executable(flv+srt flv+srt.c flv.c)
target_link_libraries(flv+srt caption)
install(TARGETS flv+srt DESTINATION bin)
```

```cmake
add_executable(flv+scc flv+scc.c flv.c)
target_link_libraries(flv+scc caption)
install(TARGETS flv+scc DESTINATION bin)
```

```cmake
add_executable(sccdump sccdump.c flv.c)
target_link_libraries(sccdump caption)
install(TARGETS sccdump DESTINATION bin)
```

```cmake
add_executable(srtdump srtdump.c)
target_link_libraries(srtdump caption)
install(TARGETS srtdump DESTINATION bin)
```

```cmake
add_executable(vttdump vttdump.c)
target_link_libraries(vttdump caption)
install(TARGETS vttdump DESTINATION bin)
```

```cmake
add_executable(rollup rollup.c flv.c)
target_link_libraries(rollup caption)
install(TARGETS rollup DESTINATION bin)
```

```cmake
add_executable(party party.c flv.c)
target_link_libraries(party caption)
install(TARGETS party DESTINATION bin)
```

```cmake
add_executable(vttsegmenter vttsegmenter.c)
target_link_libraries(vttsegmenter caption)
install(TARGETS vttsegmenter DESTINATION bin)
```

--------------------------------

### Add Captions to FLV File

Source: https://github.com/szatmary/libcaption/blob/develop/examples/README.md

This example shows how to add SRT captions to an FLV file using the `flv+srt` tool. The output is written to a new FLV file.

```bash
flv+srt in.flv in.srt out.flv
```

--------------------------------

### Caption Non-FLV File using FFmpeg and FLV+SRT

Source: https://github.com/szatmary/libcaption/blob/develop/examples/README.md

This advanced example shows how to caption a non-FLV file by first remuxing it to FLV using ffmpeg, then adding captions with `flv+srt`, and finally remuxing it back to MP4.

```bash
ffmpeg -i in.mp4 -codec copy -f flv - | flv+srt - in.srt - | ffmpeg -i - -codec copy out.mp4
```

--------------------------------

### Add Captions to FLV File via Stdout

Source: https://github.com/szatmary/libcaption/blob/develop/examples/README.md

This example demonstrates adding SRT captions to an FLV file, writing the output to standard output, which can then be redirected to a file.

```bash
flv+srt in.flv in.srt - >out.flv
```
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