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avcodec/mpeg12enc: support mpeg2 encoder const level

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Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
This commit is contained in:
Limin Wang 2020-08-02 21:07:04 +08:00
parent 9f702fc8f4
commit ad49dd7694
2 changed files with 16 additions and 0 deletions
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10
doc/encoders.texi
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@ -2902,6 +2902,16 @@ SNR Scalable
@item simple
@end table
@item level
Select the mpeg2 level to encode:
@table @samp
@item high
@item high1440
@item main
@item low
@end table
@item seq_disp_ext @var{integer}
Specifies if the encoder should write a sequence_display_extension to the
output.

6
libavcodec/mpeg12enc.c
View File

@ -1167,6 +1167,12 @@ static const AVOption mpeg2_options[] = {
{ "secam", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VIDEO_FORMAT_SECAM }, 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" },
#define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, { .i64 = value }, 0, 0, VE, "avctx.level"
{ LEVEL("high", 4) },
{ LEVEL("high1440", 6) },
{ LEVEL("main", 8) },
{ LEVEL("low", 10) },
#undef LEVEL
FF_MPV_COMMON_OPTS
FF_MPEG2_PROFILE_OPTS
{ NULL },