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authorMarton Balint <cus@passwd.hu>2014-06-14 17:07:28 +0200
committerMichael Niedermayer <michaelni@gmx.at>2014-06-14 19:45:53 +0200
commit9236f7b5a23b4907f7b2bf6346ecd88e6d76f1e0 (patch)
tree37b806df51af88fb3d1a4a4db2e72640bac7dee2 /libavcodec
parent66f4891e6422ada894dccdd63bc4464d634d9e61 (diff)
downloadffmpeg-9236f7b5a23b4907f7b2bf6346ecd88e6d76f1e0.tar.gz
mpeg12enc: add seq_disp_ext option for deciding when to write a sequence_display_extension
Signed-off-by: Marton Balint <cus@passwd.hu> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/mpeg12enc.c6
-rw-r--r--libavcodec/mpegvideo.h1
-rw-r--r--libavcodec/version.h2
3 files changed, 7 insertions, 2 deletions
diff --git a/libavcodec/mpeg12enc.c b/libavcodec/mpeg12enc.c
index 4fb9c447f3..0dbcda86bf 100644
--- a/libavcodec/mpeg12enc.c
+++ b/libavcodec/mpeg12enc.c
@@ -350,7 +350,7 @@ static void mpeg1_encode_sequence_header(MpegEncContext *s)
s->avctx->color_trc != AVCOL_TRC_UNSPECIFIED ||
s->avctx->colorspace != AVCOL_SPC_UNSPECIFIED);
- if (use_seq_disp_ext) {
+ if (s->seq_disp_ext == 1 || (s->seq_disp_ext == -1 && use_seq_disp_ext)) {
put_header(s, EXT_START_CODE);
put_bits(&s->pb, 4, 2); // sequence display extension
put_bits(&s->pb, 3, 0); // video_format: 0 is components
@@ -1123,6 +1123,10 @@ static const AVOption mpeg2_options[] = {
COMMON_OPTS
{ "non_linear_quant", "Use nonlinear quantizer.", OFFSET(q_scale_type), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
{ "alternate_scan", "Enable alternate scantable.", OFFSET(alternate_scan), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
+ { "seq_disp_ext", "Write sequence_display_extension blocks.", OFFSET(seq_disp_ext), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE, "seq_disp_ext" },
+ { "auto", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, VE, "seq_disp_ext" },
+ { "never", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, 0, 0, VE, "seq_disp_ext" },
+ { "always", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1 }, 0, 0, VE, "seq_disp_ext" },
FF_MPV_COMMON_OPTS
{ NULL },
};
diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index 20dba38e9d..ea0b7e5e24 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -588,6 +588,7 @@ typedef struct MpegEncContext {
int q_scale_type;
int intra_vlc_format;
int alternate_scan;
+ int seq_disp_ext;
int repeat_first_field;
int chroma_420_type;
int chroma_format;
diff --git a/libavcodec/version.h b/libavcodec/version.h
index d16e140271..a48fb48d49 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -30,7 +30,7 @@
#define LIBAVCODEC_VERSION_MAJOR 55
#define LIBAVCODEC_VERSION_MINOR 66
-#define LIBAVCODEC_VERSION_MICRO 100
+#define LIBAVCODEC_VERSION_MICRO 101
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \