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avcodec/mpeg12enc: support mpeg2 encoder const profile

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Reviewed-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
This commit is contained in:
Limin Wang 2020-05-30 21:25:32 +08:00
parent b8d6d9376c
commit dd76226842
3 changed files with 24 additions and 0 deletions
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14
doc/encoders.texi
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@ -2740,6 +2740,20 @@ MPEG-2 video encoder.
@subsection Options @subsection Options
@table @option @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} @item seq_disp_ext @var{integer}
Specifies if the encoder should write a sequence_display_extension to the Specifies if the encoder should write a sequence_display_extension to the
output. output.

2
libavcodec/mpeg12enc.c
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@ -41,6 +41,7 @@
#include "mpeg12data.h" #include "mpeg12data.h"
#include "mpegutils.h" #include "mpegutils.h"
#include "mpegvideo.h" #include "mpegvideo.h"
#include "profiles.h"
static const uint8_t svcd_scan_offset_placeholder[] = { static const uint8_t svcd_scan_offset_placeholder[] = {
0x10, 0x0E, 0x00, 0x80, 0x81, 0x00, 0x80, 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" }, { "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" }, { "unspecified", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VIDEO_FORMAT_UNSPECIFIED}, 0, 0, VE, "video_format" },
FF_MPV_COMMON_OPTS FF_MPV_COMMON_OPTS
FF_MPEG2_PROFILE_OPTS
{ NULL }, { NULL },
}; };

8
libavcodec/profiles.h
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@ -43,6 +43,14 @@
FF_AVCTX_PROFILE_OPTION("mpeg4_main", NULL, VIDEO, FF_PROFILE_MPEG4_MAIN)\ 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)\ 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)\
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_aac_profiles[];
extern const AVProfile ff_dca_profiles[]; extern const AVProfile ff_dca_profiles[];
extern const AVProfile ff_dnxhd_profiles[]; extern const AVProfile ff_dnxhd_profiles[];