[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 7 15:39:18 EEST 2017
Sorry I completely forgot about the texi doc !
I agree with you regarding rgb48. It feels misleading. r210 is fine with
me.
I'll send the changes in a few minutes.
2017-09-06 18:47 GMT+02:00 Marton Balint <cus at passwd.hu>:
>
>
> 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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