From: mkver via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
To: ffmpeg-devel@ffmpeg.org
Cc: mkver <code@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH] avformat/mccenc: Various stuff (PR #20556)
Date: Fri, 19 Sep 2025 19:17:17 -0000
Message-ID: <175830943786.25.7924441956285422763@463a07221176> (raw)
PR #20556 opened by mkver
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20556
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20556.patch
Also a bit mccdec.
>From 8e4cbb053bd2dd9c345701e940e5ff4ec2eca766 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Fri, 19 Sep 2025 19:42:24 +0200
Subject: [PATCH 01/11] avformat/mccenc: Remove redundant check
This has already been checked in init.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
libavformat/mccenc.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/libavformat/mccenc.c b/libavformat/mccenc.c
index 298bc6dd1a..f978c420a3 100644
--- a/libavformat/mccenc.c
+++ b/libavformat/mccenc.c
@@ -158,10 +158,6 @@ static AVRational valid_time_code_rates[] = {
static int mcc_write_header(AVFormatContext *avf)
{
MCCContext *mcc = avf->priv_data;
- if (avf->nb_streams != 1) {
- av_log(avf, AV_LOG_ERROR, "mcc muxer supports at most one stream\n");
- return AVERROR(EINVAL);
- }
avpriv_set_pts_info(avf->streams[0], 64, mcc->timecode.rate.den, mcc->timecode.rate.num);
const char *mcc_header = mcc_header_v1;
switch ((MCCVersion)mcc->mcc_version) {
--
2.49.1
>From ad7261e64b7bfa201c89c8ac841b0e4b8101bd95 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Fri, 19 Sep 2025 18:49:42 +0200
Subject: [PATCH 02/11] avformat/mccenc: Fix assert check
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
libavformat/mccenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/mccenc.c b/libavformat/mccenc.c
index f978c420a3..02541caeb3 100644
--- a/libavformat/mccenc.c
+++ b/libavformat/mccenc.c
@@ -208,7 +208,7 @@ static int mcc_write_header(AVFormatContext *avf)
"December",
};
// assert that values are sane so we don't index out of bounds
- av_assert0(tm.tm_mon >= 0 && tm.tm_mon <= FF_ARRAY_ELEMS(months));
+ av_assert0(tm.tm_mon >= 0 && tm.tm_mon < FF_ARRAY_ELEMS(months));
const char *month = months[tm.tm_mon];
static const char *const weekdays[7] = {
--
2.49.1
>From f778c205222909aac0f3f70bb439076272adb0ee Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Fri, 19 Sep 2025 19:16:06 +0200
Subject: [PATCH 03/11] avformat/mccenc: Remove redundant setting of time base
It has already been done in init.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
libavformat/mccenc.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/libavformat/mccenc.c b/libavformat/mccenc.c
index 02541caeb3..bdc8425408 100644
--- a/libavformat/mccenc.c
+++ b/libavformat/mccenc.c
@@ -158,7 +158,6 @@ static AVRational valid_time_code_rates[] = {
static int mcc_write_header(AVFormatContext *avf)
{
MCCContext *mcc = avf->priv_data;
- avpriv_set_pts_info(avf->streams[0], 64, mcc->timecode.rate.den, mcc->timecode.rate.num);
const char *mcc_header = mcc_header_v1;
switch ((MCCVersion)mcc->mcc_version) {
case MCC_VERSION_1:
--
2.49.1
>From 0b30d2bd8a6e4f53d5dc8286ef63b4931dceb196 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Fri, 19 Sep 2025 19:16:44 +0200
Subject: [PATCH 04/11] avformat/mccenc: Constify read-only data
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
libavformat/mccenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/mccenc.c b/libavformat/mccenc.c
index bdc8425408..c46fa033cc 100644
--- a/libavformat/mccenc.c
+++ b/libavformat/mccenc.c
@@ -145,7 +145,7 @@ static const char mcc_header_v2[] = //
*/
static const char mcc_ffmpeg_uuid[] = "0087C4F6-A6B4-5469-8C8E-BBF44950401D";
-static AVRational valid_time_code_rates[] = {
+static const AVRational valid_time_code_rates[] = {
{ .num = 24, .den = 1 },
{ .num = 25, .den = 1 },
{ .num = 30000, .den = 1001 },
--
2.49.1
>From eacf11da84a2dd77d945cf98e9338f955bcc9d40 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Fri, 19 Sep 2025 19:53:33 +0200
Subject: [PATCH 05/11] avformat/mccenc: Deduplicate strings
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
libavformat/mccenc.c | 122 +++++++++++++++----------------------------
1 file changed, 41 insertions(+), 81 deletions(-)
diff --git a/libavformat/mccenc.c b/libavformat/mccenc.c
index c46fa033cc..1baa007d66 100644
--- a/libavformat/mccenc.c
+++ b/libavformat/mccenc.c
@@ -58,83 +58,47 @@ typedef enum MCCVersion
MCC_VERSION_MAX = MCC_VERSION_2,
} MCCVersion;
-static const char mcc_header_v1[] = //
- "File Format=MacCaption_MCC V1.0\n"
- "\n"
+#define MCC_HEADER \
+ "File Format=MacCaption_MCC V%c.0\n" \
+ "\n" \
+ "///////////////////////////////////////////////////////////////////////////////////\n" \
+ "// Computer Prompting and Captioning Company\n" \
+ "// Ancillary Data Packet Transfer File\n" \
+ "//\n" \
+ "// Permission to generate this format is granted provided that\n" \
+ "// 1. This ANC Transfer file format is used on an as-is basis and no warranty is given, and\n" \
+ "// 2. This entire descriptive information text is included in a generated .mcc file.\n" \
+ "//\n" \
+ "// General file format:\n" \
+ "// HH:MM:SS:FF(tab)[Hexadecimal ANC data in groups of 2 characters]\n" \
+ "// Hexadecimal data starts with the Ancillary Data Packet DID (Data ID defined in S291M)\n" \
+ "// and concludes with the Check Sum following the User Data Words.\n" \
+ "// Each time code line must contain at most one complete ancillary data packet.\n" \
+ "// To transfer additional ANC Data successive lines may contain identical time code.\n" \
+ "// Time Code Rate=[24, 25, 30, 30DF, 50, 60%s]\n" \
+ "//\n" \
+ "// ANC data bytes may be represented by one ASCII character according to the following schema:\n" \
+ "// G FAh 00h 00h\n" \
+ "// H 2 x (FAh 00h 00h)\n" \
+ "// I 3 x (FAh 00h 00h)\n" \
+ "// J 4 x (FAh 00h 00h)\n" \
+ "// K 5 x (FAh 00h 00h)\n" \
+ "// L 6 x (FAh 00h 00h)\n" \
+ "// M 7 x (FAh 00h 00h)\n" \
+ "// N 8 x (FAh 00h 00h)\n" \
+ "// O 9 x (FAh 00h 00h)\n" \
+ "// P FBh 80h 80h\n" \
+ "// Q FCh 80h 80h\n" \
+ "// R FDh 80h 80h\n" \
+ "// S 96h 69h\n" \
+ "// T 61h 01h\n" \
+ "// U E1h 00h 00h 00h\n" \
+ "// Z 00h\n" \
+ "//\n" \
"///////////////////////////////////////////////////////////////////////////////////\n"
- "// Computer Prompting and Captioning Company\n"
- "// Ancillary Data Packet Transfer File\n"
- "//\n"
- "// Permission to generate this format is granted provided that\n"
- "// 1. This ANC Transfer file format is used on an as-is basis and no warranty is given, and\n"
- "// 2. This entire descriptive information text is included in a generated .mcc file.\n"
- "//\n"
- "// General file format:\n"
- "// HH:MM:SS:FF(tab)[Hexadecimal ANC data in groups of 2 characters]\n"
- "// Hexadecimal data starts with the Ancillary Data Packet DID (Data ID defined in S291M)\n"
- "// and concludes with the Check Sum following the User Data Words.\n"
- "// Each time code line must contain at most one complete ancillary data packet.\n"
- "// To transfer additional ANC Data successive lines may contain identical time code.\n"
- "// Time Code Rate=[24, 25, 30, 30DF, 50, 60]\n"
- "//\n"
- "// ANC data bytes may be represented by one ASCII character according to the following schema:\n"
- "// G FAh 00h 00h\n"
- "// H 2 x (FAh 00h 00h)\n"
- "// I 3 x (FAh 00h 00h)\n"
- "// J 4 x (FAh 00h 00h)\n"
- "// K 5 x (FAh 00h 00h)\n"
- "// L 6 x (FAh 00h 00h)\n"
- "// M 7 x (FAh 00h 00h)\n"
- "// N 8 x (FAh 00h 00h)\n"
- "// O 9 x (FAh 00h 00h)\n"
- "// P FBh 80h 80h\n"
- "// Q FCh 80h 80h\n"
- "// R FDh 80h 80h\n"
- "// S 96h 69h\n"
- "// T 61h 01h\n"
- "// U E1h 00h 00h 00h\n"
- "// Z 00h\n"
- "//\n"
- "///////////////////////////////////////////////////////////////////////////////////\n";
-static const char mcc_header_v2[] = //
- "File Format=MacCaption_MCC V2.0\n"
- "\n"
- "///////////////////////////////////////////////////////////////////////////////////\n"
- "// Computer Prompting and Captioning Company\n"
- "// Ancillary Data Packet Transfer File\n"
- "//\n"
- "// Permission to generate this format is granted provided that\n"
- "// 1. This ANC Transfer file format is used on an as-is basis and no warranty is given, and\n"
- "// 2. This entire descriptive information text is included in a generated .mcc file.\n"
- "//\n"
- "// General file format:\n"
- "// HH:MM:SS:FF(tab)[Hexadecimal ANC data in groups of 2 characters]\n"
- "// Hexadecimal data starts with the Ancillary Data Packet DID (Data ID defined in S291M)\n"
- "// and concludes with the Check Sum following the User Data Words.\n"
- "// Each time code line must contain at most one complete ancillary data packet.\n"
- "// To transfer additional ANC Data successive lines may contain identical time code.\n"
- "// Time Code Rate=[24, 25, 30, 30DF, 50, 60, 60DF]\n"
- "//\n"
- "// ANC data bytes may be represented by one ASCII character according to the following schema:\n"
- "// G FAh 00h 00h\n"
- "// H 2 x (FAh 00h 00h)\n"
- "// I 3 x (FAh 00h 00h)\n"
- "// J 4 x (FAh 00h 00h)\n"
- "// K 5 x (FAh 00h 00h)\n"
- "// L 6 x (FAh 00h 00h)\n"
- "// M 7 x (FAh 00h 00h)\n"
- "// N 8 x (FAh 00h 00h)\n"
- "// O 9 x (FAh 00h 00h)\n"
- "// P FBh 80h 80h\n"
- "// Q FCh 80h 80h\n"
- "// R FDh 80h 80h\n"
- "// S 96h 69h\n"
- "// T 61h 01h\n"
- "// U E1h 00h 00h 00h\n"
- "// Z 00h\n"
- "//\n"
- "///////////////////////////////////////////////////////////////////////////////////\n";
+#define MCC_HEADER_PRINTF_ARGS(mcc_version) (mcc_version) + '0', \
+ (mcc_version) == MCC_VERSION_1 ? "" : ", 60DF"
/**
* generated with the bash command:
@@ -158,7 +122,6 @@ static const AVRational valid_time_code_rates[] = {
static int mcc_write_header(AVFormatContext *avf)
{
MCCContext *mcc = avf->priv_data;
- const char *mcc_header = mcc_header_v1;
switch ((MCCVersion)mcc->mcc_version) {
case MCC_VERSION_1:
if (mcc->timecode.fps == 60 && mcc->timecode.flags & AV_TIMECODE_FLAG_DROPFRAME) {
@@ -166,9 +129,6 @@ static int mcc_write_header(AVFormatContext *avf)
return AVERROR(EINVAL);
}
break;
- case MCC_VERSION_2:
- mcc_header = mcc_header_v2;
- break;
}
const char *creation_program = mcc->creation_program;
if (!creation_program) {
@@ -218,13 +178,13 @@ static int mcc_write_header(AVFormatContext *avf)
const char *weekday = weekdays[tm.tm_wday];
avio_printf(avf->pb,
- "%s\n"
+ MCC_HEADER "\n"
"UUID=%s\n"
"Creation Program=%s\n"
"Creation Date=%s, %s %d, %d\n"
"Creation Time=%02d:%02d:%02d\n"
"Time Code Rate=%u%s\n\n",
- mcc_header,
+ MCC_HEADER_PRINTF_ARGS(mcc->mcc_version),
mcc_ffmpeg_uuid,
creation_program,
weekday,
--
2.49.1
>From 30ec35158b2118c97d211b16b6c5e2763e277229 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Fri, 19 Sep 2025 19:55:51 +0200
Subject: [PATCH 06/11] avformat/mccenc: Check version-timecode compatibility
earlier
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
libavformat/mccenc.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/libavformat/mccenc.c b/libavformat/mccenc.c
index 1baa007d66..14f67e420a 100644
--- a/libavformat/mccenc.c
+++ b/libavformat/mccenc.c
@@ -122,14 +122,6 @@ static const AVRational valid_time_code_rates[] = {
static int mcc_write_header(AVFormatContext *avf)
{
MCCContext *mcc = avf->priv_data;
- switch ((MCCVersion)mcc->mcc_version) {
- case MCC_VERSION_1:
- if (mcc->timecode.fps == 60 && mcc->timecode.flags & AV_TIMECODE_FLAG_DROPFRAME) {
- av_log(avf, AV_LOG_FATAL, "MCC Version 1.0 doesn't support 60DF (59.94 fps drop-frame)");
- return AVERROR(EINVAL);
- }
- break;
- }
const char *creation_program = mcc->creation_program;
if (!creation_program) {
if (avf->flags & AVFMT_FLAG_BITEXACT)
@@ -422,6 +414,13 @@ static int mcc_init(AVFormatContext *avf)
if (ret < 0)
return ret;
+ if (mcc->mcc_version == MCC_VERSION_1) {
+ if (mcc->timecode.fps == 60 && mcc->timecode.flags & AV_TIMECODE_FLAG_DROPFRAME) {
+ av_log(avf, AV_LOG_FATAL, "MCC Version 1.0 doesn't support 60DF (59.94 fps drop-frame)");
+ return AVERROR(EINVAL);
+ }
+ }
+
// get av_timecode to calculate how many frames are in 24hr
ret = av_timecode_init_from_components(&twenty_four_hr, time_code_rate, timecode_flags, 24, 0, 0, 0, avf);
if (ret < 0)
--
2.49.1
>From 9e7c5d4c9d55105a6a53ec633d39aacdfbc92ba2 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Fri, 19 Sep 2025 20:00:00 +0200
Subject: [PATCH 07/11] avformat/mccenc: Add newlines to logmessages
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
libavformat/mccenc.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/libavformat/mccenc.c b/libavformat/mccenc.c
index 14f67e420a..d34b8625c4 100644
--- a/libavformat/mccenc.c
+++ b/libavformat/mccenc.c
@@ -129,15 +129,15 @@ static int mcc_write_header(AVFormatContext *avf)
else
creation_program = "FFmpeg version " FFMPEG_VERSION;
} else if (strchr(creation_program, '\n')) {
- av_log(avf, AV_LOG_FATAL, "creation_program must not contain multiple lines of text");
+ av_log(avf, AV_LOG_FATAL, "creation_program must not contain multiple lines of text\n");
return AVERROR(EINVAL);
}
if (avf->flags & AVFMT_FLAG_BITEXACT && !av_strcasecmp(mcc->creation_time, "now"))
- av_log(avf, AV_LOG_ERROR, "creation_time must be overridden for bit-exact output");
+ av_log(avf, AV_LOG_ERROR, "creation_time must be overridden for bit-exact output\n");
int64_t timeval = 0;
int ret = av_parse_time(&timeval, mcc->creation_time, 0);
if (ret < 0) {
- av_log(avf, AV_LOG_FATAL, "can't parse creation_time");
+ av_log(avf, AV_LOG_FATAL, "can't parse creation_time\n");
return ret;
}
struct tm tm;
@@ -326,7 +326,7 @@ static int mcc_write_packet(AVFormatContext *avf, AVPacket *pkt)
default:
av_log(avf,
AV_LOG_WARNING,
- "Unsupported SMPTE 436M ANC Wrapping Type %#x -- discarding ANC packet",
+ "Unsupported SMPTE 436M ANC Wrapping Type %#x -- discarding ANC packet\n",
(unsigned)coded_anc.wrapping_type);
continue;
}
@@ -344,7 +344,7 @@ static int mcc_write_packet(AVFormatContext *avf, AVPacket *pkt)
av_log(avf,
AV_LOG_WARNING,
"MCC Version 1.0 doesn't support ANC packets where the field number (got %u) isn't 0 and "
- "line number (got %u) isn't 9: discarding ANC packet",
+ "line number (got %u) isn't 9: discarding ANC packet\n",
field_number,
(unsigned)coded_anc.line_number);
continue;
@@ -416,7 +416,7 @@ static int mcc_init(AVFormatContext *avf)
if (mcc->mcc_version == MCC_VERSION_1) {
if (mcc->timecode.fps == 60 && mcc->timecode.flags & AV_TIMECODE_FLAG_DROPFRAME) {
- av_log(avf, AV_LOG_FATAL, "MCC Version 1.0 doesn't support 60DF (59.94 fps drop-frame)");
+ av_log(avf, AV_LOG_FATAL, "MCC Version 1.0 doesn't support 60DF (59.94 fps drop-frame)\n");
return AVERROR(EINVAL);
}
}
--
2.49.1
>From 4705b7d4b009632453d9f5875655357a39accb99 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Fri, 19 Sep 2025 20:36:18 +0200
Subject: [PATCH 08/11] avformat/mccenc: Avoid relocations
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
libavformat/mccenc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavformat/mccenc.c b/libavformat/mccenc.c
index d34b8625c4..1fbeebfe0f 100644
--- a/libavformat/mccenc.c
+++ b/libavformat/mccenc.c
@@ -144,7 +144,7 @@ static int mcc_write_header(AVFormatContext *avf)
if (!localtime_r((time_t[1]){ timeval / 1000000 }, &tm))
return AVERROR(EINVAL);
// we can't rely on having the C locale, so convert the date/time to a string ourselves:
- static const char *const months[12] = {
+ static const char months[12][10] = {
"January",
"February",
"March",
@@ -162,7 +162,7 @@ static int mcc_write_header(AVFormatContext *avf)
av_assert0(tm.tm_mon >= 0 && tm.tm_mon < FF_ARRAY_ELEMS(months));
const char *month = months[tm.tm_mon];
- static const char *const weekdays[7] = {
+ static const char weekdays[7][10] = {
"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"
};
// assert that values are sane so we don't index out of bounds
--
2.49.1
>From d08bac25b3175172e714bf714b3f0272f288fcf9 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Fri, 19 Sep 2025 20:40:50 +0200
Subject: [PATCH 09/11] avformat/mccdec: Avoid relocations
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
libavformat/mccdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/mccdec.c b/libavformat/mccdec.c
index 8a9eff4c2a..71882d13a9 100644
--- a/libavformat/mccdec.c
+++ b/libavformat/mccdec.c
@@ -155,7 +155,7 @@ static int time_tracker_set_time(TimeTracker *tt, const MCCTimecode *tc, void *l
struct ValidTimeCodeRate {
AVRational rate;
- const char *str;
+ char str[5];
};
static struct ValidTimeCodeRate valid_time_code_rates[] = {
--
2.49.1
>From 33209282b4cf4de1c5be85c0b4b25e7a764fe00b Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Fri, 19 Sep 2025 20:56:10 +0200
Subject: [PATCH 10/11] avformat/mccenc: Hardcode codec names
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
libavformat/mccenc.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/libavformat/mccenc.c b/libavformat/mccenc.c
index 1fbeebfe0f..c64d53805d 100644
--- a/libavformat/mccenc.c
+++ b/libavformat/mccenc.c
@@ -437,9 +437,7 @@ static int mcc_init(AVFormatContext *avf)
} else if (st->codecpar->codec_id != AV_CODEC_ID_SMPTE_436M_ANC) {
av_log(avf,
AV_LOG_ERROR,
- "mcc muxer supports only codec %s or codec %s\n",
- avcodec_get_name(AV_CODEC_ID_SMPTE_436M_ANC),
- avcodec_get_name(AV_CODEC_ID_EIA_608));
+ "mcc muxer supports only codec smpte_436m_anc or codec eia_608\n");
return AVERROR(EINVAL);
}
--
2.49.1
>From 927e0f8368f203069f6a5e1b9d592a840bde8a90 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Fri, 19 Sep 2025 20:56:36 +0200
Subject: [PATCH 11/11] avformat/mccdec: Constify data
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
libavformat/mccdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/mccdec.c b/libavformat/mccdec.c
index 71882d13a9..e9b6fa14b4 100644
--- a/libavformat/mccdec.c
+++ b/libavformat/mccdec.c
@@ -158,7 +158,7 @@ struct ValidTimeCodeRate {
char str[5];
};
-static struct ValidTimeCodeRate valid_time_code_rates[] = {
+static const struct ValidTimeCodeRate valid_time_code_rates[] = {
{ .rate = { .num = 24, .den = 1 }, .str = "24" },
{ .rate = { .num = 25, .den = 1 }, .str = "25" },
{ .rate = { .num = 30000, .den = 1001 }, .str = "30DF" },
--
2.49.1
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* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
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--to=ffmpeg-devel@ffmpeg.org \
--cc=code@ffmpeg.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
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This inbox may be cloned and mirrored by anyone:
git clone --mirror https://master.gitmailbox.com/ffmpegdev/0 ffmpegdev/git/0.git
# If you have public-inbox 1.1+ installed, you may
# initialize and index your mirror using the following commands:
public-inbox-init -V2 ffmpegdev ffmpegdev/ https://master.gitmailbox.com/ffmpegdev \
ffmpegdev@gitmailbox.com
public-inbox-index ffmpegdev
Example config snippet for mirrors.
AGPL code for this site: git clone https://public-inbox.org/public-inbox.git