On Sat, May 30, 2020 at 9:29 PM <lance.lmw...@gmail.com> wrote:
>
> From: Limin Wang <lance.lmw...@gmail.com>
>
> Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
> ---
> doc/encoders.texi | 14 ++++++++++++++
> libavcodec/mpeg12enc.c | 2 ++
> libavcodec/profiles.h | 8 ++++++++
> 3 files changed, 24 insertions(+)
>
> diff --git a/doc/encoders.texi b/doc/encoders.texi
> index 954f0f6..1331b79 100644
> --- a/doc/encoders.texi
> +++ b/doc/encoders.texi
> @@ -2740,6 +2740,20 @@ MPEG-2 video encoder.
> @subsection Options
>
> @table @option
> +@item profile @var{integer}
> +Select the mpeg2 profile to encode:
> +
> +@table @samp
> +@item 422
> +@item main
> +@item ss
> +Spatially Scalable
> +@item snr
> +SNR Scalable
> +@item high
> +@item simple
> +@end table
> +
> @item seq_disp_ext @var{integer}
> Specifies if the encoder should write a sequence_display_extension to the
> output.
> diff --git a/libavcodec/mpeg12enc.c b/libavcodec/mpeg12enc.c
> index cab7076..9fbbcef 100644
> --- a/libavcodec/mpeg12enc.c
> +++ b/libavcodec/mpeg12enc.c
> @@ -41,6 +41,7 @@
> #include "mpeg12data.h"
> #include "mpegutils.h"
> #include "mpegvideo.h"
> +#include "profiles.h"
>
> static const uint8_t svcd_scan_offset_placeholder[] = {
> 0x10, 0x0E, 0x00, 0x80, 0x81, 0x00, 0x80,
> @@ -1167,6 +1168,7 @@ static const AVOption mpeg2_options[] = {
> { "mac", NULL, 0, AV_OPT_TYPE_CONST, {.i64 =
> VIDEO_FORMAT_MAC }, 0, 0, VE, "video_format" },
> { "unspecified", NULL, 0, AV_OPT_TYPE_CONST, {.i64 =
> VIDEO_FORMAT_UNSPECIFIED}, 0, 0, VE, "video_format" },
> FF_MPV_COMMON_OPTS
> + FF_MPEG2_PROFILE_OPTS
> { NULL },
> };
>
> diff --git a/libavcodec/profiles.h b/libavcodec/profiles.h
> index e414ea7..d241925 100644
> --- a/libavcodec/profiles.h
> +++ b/libavcodec/profiles.h
> @@ -43,6 +43,14 @@
> FF_AVCTX_PROFILE_OPTION("mpeg4_main", NULL, VIDEO,
> FF_PROFILE_MPEG4_MAIN)\
> FF_AVCTX_PROFILE_OPTION("mpeg4_asp", NULL, VIDEO,
> FF_PROFILE_MPEG4_ADVANCED_SIMPLE)\
>
> +#define FF_MPEG2_PROFILE_OPTS \
> + FF_AVCTX_PROFILE_OPTION("422", NULL, VIDEO,
> FF_PROFILE_MPEG2_422)\
> + FF_AVCTX_PROFILE_OPTION("high", NULL, VIDEO,
> FF_PROFILE_MPEG2_HIGH)\
> + FF_AVCTX_PROFILE_OPTION("ss", NULL, VIDEO,
> FF_PROFILE_MPEG2_SS)\
> + FF_AVCTX_PROFILE_OPTION("snr", NULL, VIDEO,
> FF_PROFILE_MPEG2_SNR_SCALABLE)\
Same as the off-line discussion, is it mpeg2 encoder support
FF_PROFILE_MPEG2_SS and FF_PROFILE_MPEG2_SNR_SCALABLE profile ?
> + FF_AVCTX_PROFILE_OPTION("main", NULL, VIDEO,
> FF_PROFILE_MPEG2_MAIN)\
> + FF_AVCTX_PROFILE_OPTION("simple", NULL, VIDEO,
> FF_PROFILE_MPEG2_SIMPLE)\
> +
> extern const AVProfile ff_aac_profiles[];
> extern const AVProfile ff_dca_profiles[];
> extern const AVProfile ff_dnxhd_profiles[];
> --
> 1.8.3.1
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