[FFmpeg-cvslog] avdevice/decklink_dec: add support for rgb/yuv pixel format autodetection
Marton Balint
git at videolan.org
Sun Sep 13 19:50:55 EEST 2020
ffmpeg | branch: master | Marton Balint <cus at passwd.hu> | Wed Jul 15 20:45:22 2020 +0200| [f1b908d20a8800add3db281623eb9d8fb97162e5] | committer: Marton Balint
avdevice/decklink_dec: add support for rgb/yuv pixel format autodetection
Signed-off-by: Marton Balint <cus at passwd.hu>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f1b908d20a8800add3db281623eb9d8fb97162e5
---
doc/indevs.texi | 15 +++++++++++++++
libavdevice/decklink_dec.cpp | 8 +++++++-
libavdevice/decklink_dec_c.c | 3 ++-
3 files changed, 24 insertions(+), 2 deletions(-)
diff --git a/doc/indevs.texi b/doc/indevs.texi
index 4d2312e201..7748232b26 100644
--- a/doc/indevs.texi
+++ b/doc/indevs.texi
@@ -296,16 +296,31 @@ supports it.
Set the pixel format of the captured video.
Available values are:
@table @samp
+ at item auto
+
+This is the default which means 8-bit YUV 422 or 8-bit ARGB if format
+autodetection is used, 8-bit YUV 422 otherwise.
+
@item uyvy422
+8-bit YUV 422.
+
@item yuv422p10
+10-bit YUV 422.
+
@item argb
+8-bit RGB.
+
@item bgra
+8-bit RGB.
+
@item rgb10
+10-bit RGB.
+
@end table
@item teletext_lines
diff --git a/libavdevice/decklink_dec.cpp b/libavdevice/decklink_dec.cpp
index af0ef04c56..92b8feed14 100644
--- a/libavdevice/decklink_dec.cpp
+++ b/libavdevice/decklink_dec.cpp
@@ -1044,9 +1044,13 @@ HRESULT decklink_input_callback::VideoInputFrameArrived(
HRESULT decklink_input_callback::VideoInputFormatChanged(
BMDVideoInputFormatChangedEvents events, IDeckLinkDisplayMode *mode,
- BMDDetectedVideoInputFormatFlags)
+ BMDDetectedVideoInputFormatFlags formatFlags)
{
+ struct decklink_cctx *cctx = (struct decklink_cctx *) avctx->priv_data;
ctx->bmd_mode = mode->GetDisplayMode();
+ // check the C context member to make sure we set both raw_format and bmd_mode with data from the same format change callback
+ if (!cctx->raw_format)
+ ctx->raw_format = (formatFlags & bmdDetectedVideoInputRGB444) ? bmdFormat8BitARGB : bmdFormat8BitYUV;
return S_OK;
}
@@ -1228,6 +1232,8 @@ av_cold int ff_decklink_read_header(AVFormatContext *avctx)
}
av_log(avctx, AV_LOG_INFO, "Autodetected the input mode\n");
}
+ if (ctx->raw_format == bmdFormatUnspecified)
+ ctx->raw_format = bmdFormat8BitYUV;
if (ff_decklink_set_format(avctx, DIRECTION_IN) < 0) {
av_log(avctx, AV_LOG_ERROR, "Could not set format code %s for %s\n",
cctx->format_code ? cctx->format_code : "(unset)", avctx->url);
diff --git a/libavdevice/decklink_dec_c.c b/libavdevice/decklink_dec_c.c
index 9f4b32088c..54cd681710 100644
--- a/libavdevice/decklink_dec_c.c
+++ b/libavdevice/decklink_dec_c.c
@@ -33,7 +33,8 @@ static const AVOption options[] = {
{ "list_devices", "list available devices" , OFFSET(list_devices), AV_OPT_TYPE_INT , { .i64 = 0 }, 0, 1, DEC },
{ "list_formats", "list supported formats" , OFFSET(list_formats), AV_OPT_TYPE_INT , { .i64 = 0 }, 0, 1, DEC },
{ "format_code", "set format by fourcc" , OFFSET(format_code), AV_OPT_TYPE_STRING, { .str = NULL}, 0, 0, DEC },
- { "raw_format", "pixel format to be returned by the card when capturing" , OFFSET(raw_format), AV_OPT_TYPE_INT, { .i64 = MKBETAG('2','v','u','y')}, 0, UINT_MAX, DEC, "raw_format" },
+ { "raw_format", "pixel format to be returned by the card when capturing" , OFFSET(raw_format), AV_OPT_TYPE_INT, { .i64 = 0}, 0, UINT_MAX, DEC, "raw_format" },
+ { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, DEC, "raw_format"},
{ "uyvy422", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MKBETAG('2','v','u','y') }, 0, 0, DEC, "raw_format"},
{ "yuv422p10", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MKBETAG('v','2','1','0') }, 0, 0, DEC, "raw_format"},
{ "argb", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 32 }, 0, 0, DEC, "raw_format"},
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