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libavdevice/decklink: add support for -sources and -sinks arguments

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Add support for enumerating the sources/sinks via the ffmpeg
command line options, as opposed to having to create a real pipeline
and use the "-list_devices" option which does exit() after dumping
out the options.

Note that this patch preserves the existing "-list_devices" option,
but now shares common code for the actual enumeration.

Updated to reflect feedback from Marton Balint <cus@passwd.hu>.

Signed-off-by: Devin Heitmueller <dheitmueller@ltnglobal.com>
Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Devin Heitmueller
2017-10-06 08:55:43 -04:00
committed by Marton Balint
parent ff6de6b180
commit 278588cd0b
8 changed files with 104 additions and 10 deletions
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libavdevice/decklink_enc.h
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@@ -29,6 +29,7 @@ extern "C" {
int ff_decklink_write_header(AVFormatContext *avctx);
int ff_decklink_write_packet(AVFormatContext *avctx, AVPacket *pkt);
int ff_decklink_write_trailer(AVFormatContext *avctx);
int ff_decklink_list_output_devices(AVFormatContext *avctx, struct AVDeviceInfoList *device_list);
#ifdef __cplusplus
} /* extern "C" */