[FFmpeg-devel] [PATCH] avdevice/decklink: new options 'list_pixelformats' and 'pixelformat_code' to allow pixelformat selection by code
Marton Balint
cus at passwd.hu
Wed Sep 6 19:47:02 EEST 2017
On Wed, 6 Sep 2017, Gildas Fargeas wrote:
> Alright, this should do the trick:
> - use named const for raw_format option
> - deprecate bm_v210
> - bumped avdevice micro version
>
> ---
> libavdevice/decklink_common.cpp | 2 +-
> libavdevice/decklink_common_c.h | 1 +
> libavdevice/decklink_dec.cpp | 43 ++++++++++++++++++++++++++++++++++-------
> libavdevice/decklink_dec_c.c | 6 ++++++
> libavdevice/version.h | 2 +-
> 5 files changed, 45 insertions(+), 9 deletions(-)
Documentation is still missing for the new option from doc/indevs.texi.
>
> 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..ccbb6f09f5 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 +728,39 @@ 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;
> + 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;
> + 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->bits_per_coded_sample = 10;
You may want to add bitrates to the new formats.
> + 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 +805,7 @@ 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..464cf760d2 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"},
> + { "rgb48", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MKBETAG('r','2','1','0') }, 0, 0, DEC, "raw_format"},
Maybe instead of rgb48 we should name it rgb10 instead, because later
somebody might add 12 bit rgb support, and the raw pixel format will be
also rgb48 for that...
> { "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, \
Thanks,
Marton
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