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Code Issues Releases Activity

avdevice/decklink: 10 Bit support for Decklink input device

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Example to capture video clip at 1080i50 10 bit:
ffmpeg -bm_v210 1 -f decklink -i 'UltraStudio Mini Recorder@11' -acodec copy -vcodec copy output.avi

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Georg Lippitsch 2015-01-18 20:44:33 +01:00 committed by Michael Niedermayer
parent 6a8a3bfb87
commit 97a27065c8
3 changed files with 16 additions and 4 deletions
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1
libavdevice/decklink_common_c.h
View File

@ -28,5 +28,6 @@ struct decklink_cctx {
int list_devices;
int list_formats;
double preroll;
int v210;
};

18
libavdevice/decklink_dec.cpp
View File

@ -233,6 +233,7 @@ HRESULT decklink_input_callback::VideoInputFrameArrived(
ctx->video_st->time_base.den);
if (videoFrame->GetFlags() & bmdFrameHasNoInputSource) {
if (videoFrame->GetPixelFormat() == bmdFormat8BitYUV) {
unsigned bars[8] = {
0xEA80EA80, 0xD292D210, 0xA910A9A5, 0x90229035,
0x6ADD6ACA, 0x51EF515A, 0x286D28EF, 0x10801080 };
@ -244,6 +245,7 @@ HRESULT decklink_input_callback::VideoInputFrameArrived(
for (int x = 0; x < width; x += 2)
*p++ = bars[(x * 8) / width];
}
}
if (!no_video) {
av_log(avctx, AV_LOG_WARNING, "Frame received (#%lu) - No input signal detected "
@ -466,15 +468,21 @@ av_cold int ff_decklink_read_header(AVFormatContext *avctx)
goto error;
}
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
st->codec->codec_id = AV_CODEC_ID_RAWVIDEO;
st->codec->width = ctx->bmd_width;
st->codec->height = ctx->bmd_height;
st->codec->pix_fmt = AV_PIX_FMT_UYVY422;
st->codec->time_base.den = ctx->bmd_tb_den;
st->codec->time_base.num = ctx->bmd_tb_num;
st->codec->bit_rate = avpicture_get_size(st->codec->pix_fmt, ctx->bmd_width, ctx->bmd_height) * 1/av_q2d(st->codec->time_base) * 8;
st->codec->codec_tag = MKTAG('U', 'Y', 'V', 'Y');
if (cctx->v210) {
st->codec->codec_id = AV_CODEC_ID_V210;
st->codec->codec_tag = MKTAG('V', '2', '1', '0');
} else {
st->codec->codec_id = AV_CODEC_ID_RAWVIDEO;
st->codec->pix_fmt = AV_PIX_FMT_UYVY422;
st->codec->codec_tag = MKTAG('U', 'Y', 'V', 'Y');
}
avpriv_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in us */
@ -487,7 +495,9 @@ av_cold int ff_decklink_read_header(AVFormatContext *avctx)
goto error;
}
result = ctx->dli->EnableVideoInput(ctx->bmd_mode, bmdFormat8BitYUV, bmdVideoInputFlagDefault);
result = ctx->dli->EnableVideoInput(ctx->bmd_mode,
cctx->v210 ? bmdFormat10BitYUV : bmdFormat8BitYUV,
bmdVideoInputFlagDefault);
if (result != S_OK) {
av_log(avctx, AV_LOG_ERROR, "Cannot enable video input\n");

1
libavdevice/decklink_dec_c.c
View File

@ -31,6 +31,7 @@
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 },
{ "bm_v210", "v210 10 bit per channel" , OFFSET(v210), AV_OPT_TYPE_INT , { .i64 = 0 }, 0, 1, DEC },
{ NULL },
};