Bug 1869332 - Add an av1 encoder based on libaom to ffvpx. r=chunmin

Differential Revision: https://phabricator.services.mozilla.com/D196063

media/ffvpx/config_components_audio_video.h

@@ -800,7 +800,7 @@
 #define CONFIG_ILBC_AT_ENCODER 0
 #define CONFIG_PCM_ALAW_AT_ENCODER 0
 #define CONFIG_PCM_MULAW_AT_ENCODER 0
-#define CONFIG_LIBAOM_AV1_ENCODER 0
+#define CONFIG_LIBAOM_AV1_ENCODER 1
 #define CONFIG_LIBCODEC2_ENCODER 0
 #define CONFIG_LIBFDK_AAC_ENCODER 0
 #define CONFIG_LIBGSM_ENCODER 0

media/ffvpx/libavcodec/codec_list.c

@@ -55,5 +55,8 @@ static const FFCodec * const codec_list[] = {
 #endif
 #if CONFIG_LIBVPX_VP9_ENCODER
     &ff_libvpx_vp9_encoder,
+#endif
+#if CONFIG_LIBAOM_AV1_ENCODER
+    &ff_libaom_av1_encoder,
 #endif
     NULL };

media/ffvpx/libavcodec/libaom.c

@@ -0,0 +1,49 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * AOM common functions
+ */
+
+#include "libavutil/pixdesc.h"
+#include "libaom.h"
+
+void ff_aom_image_copy_16_to_8(AVFrame *pic, struct aom_image *img)
+{
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pic->format);
+    int i;
+
+    for (i = 0; i < desc->nb_components; i++) {
+        int w = img->d_w;
+        int h = img->d_h;
+        int x, y;
+
+        if (i) {
+            w = (w + img->x_chroma_shift) >> img->x_chroma_shift;
+            h = (h + img->y_chroma_shift) >> img->y_chroma_shift;
+        }
+
+        for (y = 0; y < h; y++) {
+            uint16_t *src = (uint16_t *)(img->planes[i] + y * img->stride[i]);
+            uint8_t *dst = pic->data[i] + y * pic->linesize[i];
+            for (x = 0; x < w; x++)
+                *dst++ = *src++;
+        }
+    }
+}

media/ffvpx/libavcodec/libaom.h

@@ -0,0 +1,33 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * AOM common functions
+ */
+
+#ifndef AVCODEC_LIBAOM_H
+#define AVCODEC_LIBAOM_H
+
+#include <aom/aom_image.h>
+
+#include "libavutil/frame.h"
+
+void ff_aom_image_copy_16_to_8(AVFrame *pic, struct aom_image *img);
+
+#endif /* AVCODEC_LIBAOM_H */