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[FFmpeg-devel,v5] lavc/libvpxenc: add screen-content-mode option

Message ID 20240213063409.2167597-1-darekm@google.com
State New
Headers show
Series [FFmpeg-devel,v5] lavc/libvpxenc: add screen-content-mode option | expand

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Commit Message

Dariusz Marcinkiewicz Feb. 13, 2024, 6:34 a.m. UTC
This exposes VP8E_SET_SCREEN_CONTENT_MODE option from libvpx.

Co-authored-by: Erik Språng <sprang@webrtc.org>
Signed-off-by: Dariusz Marcinkiewicz <darekm@google.com>
---
 doc/encoders.texi      |  6 ++++++
 libavcodec/libvpxenc.c | 13 +++++++++++++
 libavcodec/version.h   |  2 +-
 3 files changed, 20 insertions(+), 1 deletion(-)

Comments

James Zern Feb. 14, 2024, 3:26 a.m. UTC | #1
On Mon, Feb 12, 2024 at 10:34 PM Dariusz Marcinkiewicz via
ffmpeg-devel <ffmpeg-devel@ffmpeg.org> wrote:
>
> This exposes VP8E_SET_SCREEN_CONTENT_MODE option from libvpx.
>
> Co-authored-by: Erik Språng <sprang@webrtc.org>
> Signed-off-by: Dariusz Marcinkiewicz <darekm@google.com>
> ---
>  doc/encoders.texi      |  6 ++++++
>  libavcodec/libvpxenc.c | 13 +++++++++++++
>  libavcodec/version.h   |  2 +-
>  3 files changed, 20 insertions(+), 1 deletion(-)
>

lgtm. I'll submit this soon if there are no other comments.

> diff --git a/doc/encoders.texi b/doc/encoders.texi
> index c9fe6d6143..13a7084512 100644
> --- a/doc/encoders.texi
> +++ b/doc/encoders.texi
> @@ -2237,6 +2237,12 @@ the two temporal layer 2 frames within the temporal period.
>  @end table
>  @end table
>
> +@item VP8-specific options
> +@table @option
> +@item screen-content-mode
> +Screen content mode, one of: (0) off, (1) screen, (2) screen with more aggressive rate control.

I swapped the ()s: 0 (off) ...
James Zern Feb. 16, 2024, 3:12 a.m. UTC | #2
On Tue, Feb 13, 2024 at 7:26 PM James Zern <jzern@google.com> wrote:
>
> On Mon, Feb 12, 2024 at 10:34 PM Dariusz Marcinkiewicz via
> ffmpeg-devel <ffmpeg-devel@ffmpeg.org> wrote:
> >
> > This exposes VP8E_SET_SCREEN_CONTENT_MODE option from libvpx.
> >
> > Co-authored-by: Erik Språng <sprang@webrtc.org>
> > Signed-off-by: Dariusz Marcinkiewicz <darekm@google.com>
> > ---
> >  doc/encoders.texi      |  6 ++++++
> >  libavcodec/libvpxenc.c | 13 +++++++++++++
> >  libavcodec/version.h   |  2 +-
> >  3 files changed, 20 insertions(+), 1 deletion(-)
> >
>
> lgtm. I'll submit this soon if there are no other comments.
>

Applied. Thanks for the patch.
diff mbox series

Patch

diff --git a/doc/encoders.texi b/doc/encoders.texi
index c9fe6d6143..13a7084512 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -2237,6 +2237,12 @@  the two temporal layer 2 frames within the temporal period.
 @end table
 @end table
 
+@item VP8-specific options
+@table @option
+@item screen-content-mode
+Screen content mode, one of: (0) off, (1) screen, (2) screen with more aggressive rate control.
+@end table
+
 @item VP9-specific options
 @table @option
 @item lossless
diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c
index 80988a2608..8f765f2dc4 100644
--- a/libavcodec/libvpxenc.c
+++ b/libavcodec/libvpxenc.c
@@ -121,6 +121,9 @@  typedef struct VPxEncoderContext {
     int *ts_layer_flags;
     int current_temporal_idx;
 
+    // VP8-only
+    int screen_content_mode;
+
     // VP9-only
     int lossless;
     int tile_columns;
@@ -164,6 +167,7 @@  static const char *const ctlidstr[] = {
     [VP8E_SET_MAX_INTRA_BITRATE_PCT] = "VP8E_SET_MAX_INTRA_BITRATE_PCT",
     [VP8E_SET_SHARPNESS]               = "VP8E_SET_SHARPNESS",
     [VP8E_SET_TEMPORAL_LAYER_ID]       = "VP8E_SET_TEMPORAL_LAYER_ID",
+    [VP8E_SET_SCREEN_CONTENT_MODE]     = "VP8E_SET_SCREEN_CONTENT_MODE",
 #if CONFIG_LIBVPX_VP9_ENCODER
     [VP9E_SET_LOSSLESS]                = "VP9E_SET_LOSSLESS",
     [VP9E_SET_TILE_COLUMNS]            = "VP9E_SET_TILE_COLUMNS",
@@ -1262,6 +1266,14 @@  static av_cold int vpx_init(AVCodecContext *avctx,
 #endif
     }
 #endif
+    if (avctx->codec_id == AV_CODEC_ID_VP8 && ctx->screen_content_mode >= 0) {
+        if (ctx->screen_content_mode == 2 && ctx->is_alpha) {
+            av_log(avctx, AV_LOG_ERROR,
+                   "Transparency encoding with screen mode with aggressive rate control not supported\n");
+            return AVERROR(EINVAL);
+        }
+        codecctl_int(avctx, VP8E_SET_SCREEN_CONTENT_MODE, ctx->screen_content_mode);
+    }
 
     av_log(avctx, AV_LOG_DEBUG, "Using deadline: %d\n", ctx->deadline);
 
@@ -1946,6 +1958,7 @@  static const AVOption vp8_options[] = {
     { "auto-alt-ref",    "Enable use of alternate reference "
                          "frames (2-pass only)",                        OFFSET(auto_alt_ref),    AV_OPT_TYPE_INT, {.i64 = -1}, -1,  2, VE},
     { "cpu-used",        "Quality/Speed ratio modifier",                OFFSET(cpu_used),        AV_OPT_TYPE_INT, {.i64 = 1}, -16, 16, VE},
+    { "screen-content-mode",     "Encoder screen content mode",         OFFSET(screen_content_mode), AV_OPT_TYPE_INT, {.i64 = -1}, -1,  2, VE},
     LEGACY_OPTIONS
     { NULL }
 };
diff --git a/libavcodec/version.h b/libavcodec/version.h
index f2f14eaed1..ecdbc51c74 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -30,7 +30,7 @@ 
 #include "version_major.h"
 
 #define LIBAVCODEC_VERSION_MINOR  39
-#define LIBAVCODEC_VERSION_MICRO 100
+#define LIBAVCODEC_VERSION_MICRO 101
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \