[FFmpeg-devel] [PATCH] avdevice/decklink: new options 'list_pixelformats' and 'pixelformat_code' to allow pixelformat selection by code

Gildas Fargeas fargeas.gildas at gmail.com
Thu Sep 21 11:54:16 EEST 2017


Hey, do you need more stuff changed on this patch ?

2017-09-07 14:46 GMT+02:00 Gildas Fargeas <fargeas.gildas at gmail.com>:

> Ok, I changed the texi, added the bitrate and turned rgb48 value to rgb10.
>
> ---
>  doc/indevs.texi                 | 22 ++++++++++++++++++--
>  libavdevice/decklink_common.cpp |  2 +-
>  libavdevice/decklink_common_c.h |  1 +
>  libavdevice/decklink_dec.cpp    | 46 ++++++++++++++++++++++++++++++
> ++++-------
>  libavdevice/decklink_dec_c.c    |  6 ++++++
>  libavdevice/version.h           |  2 +-
>  6 files changed, 68 insertions(+), 11 deletions(-)
>
> diff --git a/doc/indevs.texi b/doc/indevs.texi
> index ad6418751b..0c71361ded 100644
> --- a/doc/indevs.texi
> +++ b/doc/indevs.texi
> @@ -214,8 +214,9 @@ need to configure with the appropriate
> @code{--extra-cflags}
>  and @code{--extra-ldflags}.
>  On Windows, you need to run the IDL files through @command{widl}.
>
> -DeckLink is very picky about the formats it supports. Pixel format is
> -uyvy422 or v210, framerate and video size must be determined for your
> device with
> +DeckLink is very picky about the formats it supports. Pixel format of the
> +input can be set with @option{raw_format}.
> +Framerate and video size must be determined for your device with
>  @command{-list_formats 1}. Audio sample rate is always 48 kHz and the
> number
>  of channels can be 2, 8 or 16. Note that all audio channels are bundled
> in one single
>  audio track.
> @@ -239,9 +240,26 @@ Note that there is a FourCC @option{'pal '} that can
> also be used
>  as @option{pal} (3 letters).
>
>  @item bm_v210
> +This is a deprecated option, you can use @option{raw_format} instead.
>  If set to @samp{1}, video is captured in 10 bit v210 instead
>  of uyvy422. Not all Blackmagic devices support this option.
>
> + at item raw_format
> +Set the pixel format of the captured video.
> +Available values are:
> + at table @samp
> + at item uyvy422
> +
> + at item yuv422p10
> +
> + at item argb
> +
> + at item bgra
> +
> + at item rgb10
> +
> + at end table
> +
>  @item teletext_lines
>  If set to nonzero, an additional teletext stream will be captured from the
>  vertical ancillary data. Both SD PAL (576i) and HD (1080i or 1080p)
> diff --git a/libavdevice/decklink_common.cpp
> b/libavdevice/decklink_common.cpp
> index cbb591ce64..ff2df95909 100644
> --- a/libavdevice/decklink_common.cpp
> +++ b/libavdevice/decklink_common.cpp
> @@ -241,7 +241,7 @@ int ff_decklink_set_format(AVFormatContext *avctx,
>      if (ctx->bmd_mode == bmdModeUnknown)
>          return -1;
>      if (direction == DIRECTION_IN) {
> -        if (ctx->dli->DoesSupportVideoMode(ctx->bmd_mode,
> bmdFormat8BitYUV,
> +        if (ctx->dli->DoesSupportVideoMode(ctx->bmd_mode,
> (BMDPixelFormat) cctx->raw_format,
>                                             bmdVideoOutputFlagDefault,
>                                             &support, NULL) != S_OK)
>              return -1;
> diff --git a/libavdevice/decklink_common_c.h
> b/libavdevice/decklink_common_c.h
> index e263480474..5616ab32f9 100644
> --- a/libavdevice/decklink_common_c.h
> +++ b/libavdevice/decklink_common_c.h
> @@ -49,6 +49,7 @@ struct decklink_cctx {
>      int video_input;
>      int draw_bars;
>      char *format_code;
> +    int raw_format;
>      int64_t queue_size;
>  };
>
> diff --git a/libavdevice/decklink_dec.cpp b/libavdevice/decklink_dec.cpp
> index c271ff3639..dd1423b866 100644
> --- a/libavdevice/decklink_dec.cpp
> +++ b/libavdevice/decklink_dec.cpp
> @@ -651,6 +651,11 @@ av_cold int ff_decklink_read_header(AVFormatContext
> *avctx)
>          return AVERROR_EXIT;
>      }
>
> +    if (cctx->v210) {
> +        av_log(avctx, AV_LOG_WARNING, "The bm_v210 option is deprecated
> and will be removed. Please use the -raw_format yuv422p10.\n");
> +        cctx->raw_format = MKBETAG('v','2','1','0');
> +    }
> +
>      strcpy (fname, avctx->filename);
>      tmp=strchr (fname, '@');
>      if (tmp != NULL) {
> @@ -723,15 +728,42 @@ av_cold int ff_decklink_read_header(AVFormatContext
> *avctx)
>      st->time_base.num      = ctx->bmd_tb_num;
>      av_stream_set_r_frame_rate(st, av_make_q(st->time_base.den,
> st->time_base.num));
>
> -    if (cctx->v210) {
> -        st->codecpar->codec_id    = AV_CODEC_ID_V210;
> -        st->codecpar->codec_tag   = MKTAG('V', '2', '1', '0');
> -        st->codecpar->bit_rate    = av_rescale(ctx->bmd_width *
> ctx->bmd_height * 64, st->time_base.den, st->time_base.num * 3);
> -    } else {
> +    switch((BMDPixelFormat)cctx->raw_format) {
> +    case bmdFormat8BitYUV:
>          st->codecpar->codec_id    = AV_CODEC_ID_RAWVIDEO;
> -        st->codecpar->format      = AV_PIX_FMT_UYVY422;
>          st->codecpar->codec_tag   = MKTAG('U', 'Y', 'V', 'Y');
> +        st->codecpar->format      = AV_PIX_FMT_UYVY422;
>          st->codecpar->bit_rate    = av_rescale(ctx->bmd_width *
> ctx->bmd_height * 16, st->time_base.den, st->time_base.num);
> +        break;
> +    case bmdFormat10BitYUV:
> +        st->codecpar->codec_id    = AV_CODEC_ID_V210;
> +        st->codecpar->codec_tag   = MKTAG('V','2','1','0');
> +        st->codecpar->bit_rate    = av_rescale(ctx->bmd_width *
> ctx->bmd_height * 64, st->time_base.den, st->time_base.num * 3);
> +        st->codecpar->bits_per_coded_sample = 10;
> +        break;
> +    case bmdFormat8BitARGB:
> +        st->codecpar->codec_id    = AV_CODEC_ID_RAWVIDEO;
> +        st->codecpar->codec_tag   = avcodec_pix_fmt_to_codec_tag((enum
> AVPixelFormat)st->codecpar->format);;
> +        st->codecpar->format    = AV_PIX_FMT_ARGB;
> +        st->codecpar->bit_rate    = av_rescale(ctx->bmd_width *
> ctx->bmd_height * 32, st->time_base.den, st->time_base.num);
> +        break;
> +    case bmdFormat8BitBGRA:
> +        st->codecpar->codec_id    = AV_CODEC_ID_RAWVIDEO;
> +        st->codecpar->codec_tag   = avcodec_pix_fmt_to_codec_tag((enum
> AVPixelFormat)st->codecpar->format);
> +        st->codecpar->format    = AV_PIX_FMT_BGRA;
> +        st->codecpar->bit_rate    = av_rescale(ctx->bmd_width *
> ctx->bmd_height * 32, st->time_base.den, st->time_base.num);
> +        break;
> +    case bmdFormat10BitRGB:
> +        st->codecpar->codec_id    = AV_CODEC_ID_R210;
> +        st->codecpar->codec_tag   = MKTAG('R','2','1','0');
> +        st->codecpar->format    = AV_PIX_FMT_RGB48LE;
> +        st->codecpar->bit_rate    = av_rescale(ctx->bmd_width *
> ctx->bmd_height * 30, st->time_base.den, st->time_base.num);
> +        st->codecpar->bits_per_coded_sample = 10;
> +        break;
> +    default:
> +        av_log(avctx, AV_LOG_ERROR, "Raw Format %.4s not supported\n",
> (char*) &cctx->raw_format);
> +        ret = AVERROR(EINVAL);
> +        goto error;
>      }
>
>      switch (ctx->bmd_field_dominance) {
> @@ -776,7 +808,7 @@ av_cold int ff_decklink_read_header(AVFormatContext
> *avctx)
>      }
>
>      result = ctx->dli->EnableVideoInput(ctx->bmd_mode,
> -                                        cctx->v210 ? bmdFormat10BitYUV :
> bmdFormat8BitYUV,
> +                                        (BMDPixelFormat) cctx->raw_format,
>                                          bmdVideoInputFlagDefault);
>
>      if (result != S_OK) {
> diff --git a/libavdevice/decklink_dec_c.c b/libavdevice/decklink_dec_c.c
> index e2118a619c..a5b1a15846 100644
> --- a/libavdevice/decklink_dec_c.c
> +++ b/libavdevice/decklink_dec_c.c
> @@ -34,6 +34,12 @@ static const AVOption options[] = {
>      { "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 },
>      { "bm_v210",      "v210 10 bit per channel" , OFFSET(v210),
>  AV_OPT_TYPE_INT   , { .i64 = 0   }, 0, 1, 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" },
> +    { "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"},
> +    { "bgra",          NULL,   0,  AV_OPT_TYPE_CONST, { .i64 =
> MKBETAG('B','G','R','A') }, 0, 0, DEC, "raw_format"},
> +    { "rgb10",         NULL,   0,  AV_OPT_TYPE_CONST, { .i64 =
> MKBETAG('r','2','1','0') }, 0, 0, DEC, "raw_format"},
>      { "teletext_lines", "teletext lines bitmask", OFFSET(teletext_lines),
> AV_OPT_TYPE_INT64, { .i64 = 0   }, 0, 0x7ffffffffLL, DEC, "teletext_lines"},
>      { "standard",     NULL,                                           0,
> AV_OPT_TYPE_CONST, { .i64 = 0x7fff9fffeLL}, 0, 0,    DEC, "teletext_lines"},
>      { "all",          NULL,                                           0,
> AV_OPT_TYPE_CONST, { .i64 = 0x7ffffffffLL}, 0, 0,    DEC, "teletext_lines"},
> diff --git a/libavdevice/version.h b/libavdevice/version.h
> index 948e4e1e08..358b6ff969 100644
> --- a/libavdevice/version.h
> +++ b/libavdevice/version.h
> @@ -29,7 +29,7 @@
>
>  #define LIBAVDEVICE_VERSION_MAJOR  57
>  #define LIBAVDEVICE_VERSION_MINOR   8
> -#define LIBAVDEVICE_VERSION_MICRO 100
> +#define LIBAVDEVICE_VERSION_MICRO 101
>
>  #define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR,
> \
>                                                 LIBAVDEVICE_VERSION_MINOR,
> \
> --
> 2.11.0
>
>


More information about the ffmpeg-devel mailing list