This introduces a new field to allow decoders to export their film grain
parameters.
Will be used by the next patch.
Patch attached.
>From d5d5e1e5f90938ac5cfa462efc13658ab411246b Mon Sep 17 00:00:00 2001
From: Lynne <d...@lynne.ee>
Date: Thu, 12 Nov 2020 17:46:09 +0100
Subject: [PATCH v2 2/3] libavcodec: add a new AV_CODEC_EXPORT_DATA_FILM_GRAIN
flag and option
This introduces a new field to allow decoders to export their film grain
parameters.
Will be used by the next patch.
---
doc/APIchanges | 3 +++
libavcodec/avcodec.h | 5 +++++
libavcodec/options_table.h | 1 +
libavcodec/version.h | 4 ++--
4 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/doc/APIchanges b/doc/APIchanges
index 41248724d9..9d0ddb4ff6 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -15,6 +15,9 @@ libavutil: 2017-10-21
API changes, most recent first:
+2020-xx-xx - xxxxxxxxxx - lavc 58.113.100 - avcodec.h
+ Adds a new flag AV_CODEC_EXPORT_DATA_FILM_GRAIN for export_side_data.
+
2020-xx-xx - xxxxxxxxxx - lavu 56.61.100 - film_grain_params.h
Adds a new API for extracting codec film grain parameters as side data.
Adds a new AVFrameSideDataType entry AV_FRAME_DATA_FILM_GRAIN_PARAMS for it.
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 20af3ef00d..5047da0f6a 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -410,6 +410,11 @@ typedef struct RcOverride{
* Export the AVVideoEncParams structure through frame side data.
*/
#define AV_CODEC_EXPORT_DATA_VIDEO_ENC_PARAMS (1 << 2)
+/**
+ * Decoding only.
+ * Do not apply film grain, export it instead.
+ */
+#define AV_CODEC_EXPORT_DATA_FILM_GRAIN (1 << 3)
/**
* Pan Scan area.
diff --git a/libavcodec/options_table.h b/libavcodec/options_table.h
index 66bda42663..77e1211ae0 100644
--- a/libavcodec/options_table.h
+++ b/libavcodec/options_table.h
@@ -83,6 +83,7 @@ static const AVOption avcodec_options[] = {
{"mvs", "export motion vectors through frame side data", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_EXPORT_DATA_MVS}, INT_MIN, INT_MAX, V|D, "export_side_data"},
{"prft", "export Producer Reference Time through packet side data", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_EXPORT_DATA_PRFT}, INT_MIN, INT_MAX, A|V|S|E, "export_side_data"},
{"venc_params", "export video encoding parameters through frame side data", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_EXPORT_DATA_VIDEO_ENC_PARAMS}, INT_MIN, INT_MAX, V|D, "export_side_data"},
+{"export_film_grain", "export film grain parameters through frame side data", 0, AV_OPT_TYPE_CONST, {.i64 = AV_CODEC_EXPORT_DATA_FILM_GRAIN}, INT_MIN, INT_MAX, V|D, "export_side_data"},
{"time_base", NULL, OFFSET(time_base), AV_OPT_TYPE_RATIONAL, {.dbl = 0}, 0, INT_MAX},
{"g", "set the group of picture (GOP) size", OFFSET(gop_size), AV_OPT_TYPE_INT, {.i64 = 12 }, INT_MIN, INT_MAX, V|E},
{"ar", "set audio sampling rate (in Hz)", OFFSET(sample_rate), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX, A|D|E},
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 1585d95777..37fa426f40 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -28,8 +28,8 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 58
-#define LIBAVCODEC_VERSION_MINOR 112
-#define LIBAVCODEC_VERSION_MICRO 103
+#define LIBAVCODEC_VERSION_MINOR 113
+#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \
--
2.29.2
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