[FFmpeg-cvslog] libavcodec: add a new AV_CODEC_EXPORT_DATA_FILM_GRAIN flag and option
Lynne
git at videolan.org
Thu Nov 26 00:15:09 EET 2020
ffmpeg | branch: master | Lynne <dev at lynne.ee> | Thu Nov 12 17:46:09 2020 +0100| [d243dd540a8a421e47b7ea5e55e0676ba7b54f29] | committer: Lynne
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.
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d243dd540a8a421e47b7ea5e55e0676ba7b54f29
---
doc/APIchanges | 3 +++
libavcodec/avcodec.h | 5 +++++
libavcodec/options_table.h | 1 +
3 files changed, 9 insertions(+)
diff --git a/doc/APIchanges b/doc/APIchanges
index 58837090cf..b18f3acaea 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -15,6 +15,9 @@ libavutil: 2017-10-21
API changes, most recent first:
+2020-11-25 - xxxxxxxxxx - lavc 58.113.100 - avcodec.h
+ Adds a new flag AV_CODEC_EXPORT_DATA_FILM_GRAIN for export_side_data.
+
2020-11-25 - 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..1b9d39a3a7 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"},
+{"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},
More information about the ffmpeg-cvslog
mailing list