---
libavcodec/amfenc.c | 6 ++++
libavcodec/amfenc.h | 3 ++
libavcodec/amfenc_av1.c | 64 ++++++++++++++++++++++++++++++++++++++++-
3 files changed, 72 insertions(+), 1 deletion(-)
diff --git a/libavcodec/amfenc.c b/libavcodec/amfenc.c
index 061859f85c..93925854e0 100644
--- a/libavcodec/amfenc.c
+++ b/libavcodec/amfenc.c
@@ -402,6 +402,12 @@ int av_cold ff_amf_encode_close(AVCodecContext *avctx)
dlclose(ctx->library);
ctx->library = NULL;
}
+
+ if (ctx->crop)
+ {
+ av_freep(ctx->crop);
+ }
+
ctx->trace = NULL;
ctx->debug = NULL;
ctx->factory = NULL;
diff --git a/libavcodec/amfenc.h b/libavcodec/amfenc.h
index 2dbd378ef8..abcf465063 100644
--- a/libavcodec/amfenc.h
+++ b/libavcodec/amfenc.h
@@ -81,6 +81,9 @@ typedef struct AmfContext {
int log_to_dbg;
+ //handle crop
+ uint32_t *crop;
+
// Static options, have to be set before Init() call
int usage;
int profile;
diff --git a/libavcodec/amfenc_av1.c b/libavcodec/amfenc_av1.c
index d40c71cb33..e9bc26a770 100644
--- a/libavcodec/amfenc_av1.c
+++ b/libavcodec/amfenc_av1.c
@@ -19,9 +19,13 @@
#include "libavutil/internal.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
+#include "libavutil/intreadwrite.h"
#include "amfenc.h"
#include "codec_internal.h"
+#define AMF_VIDEO_ENCODER_AV1_CAP_WIDTH_ALIGNMENT_FACTOR_LOCAL
L"Av1WidthAlignmentFactor" // amf_int64; default = 1
+#define AMF_VIDEO_ENCODER_AV1_CAP_HEIGHT_ALIGNMENT_FACTOR_LOCAL
L"Av1HeightAlignmentFactor" // amf_int64; default = 1
+
#define OFFSET(x) offsetof(AmfContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
@@ -167,7 +171,12 @@ static av_cold int amf_encode_init_av1(AVCodecContext*
avctx)
AMFRate framerate;
AMFSize framesize = AMFConstructSize(avctx->width,
avctx->height);
-
+ //for av1 alignment and crop
+ AVPacketSideData* sd_crop = NULL;
+ uint32_t crop_right = 0;
+ uint32_t crop_bottom = 0;
+ int width_alignment_factor = -1;
+ int height_alignment_factor = -1;
if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
framerate = AMFConstructRate(avctx->framerate.num,
avctx->framerate.den);
@@ -482,6 +491,59 @@ FF_ENABLE_DEPRECATION_WARNINGS
buffer->pVtbl->Release(buffer);
var.pInterface->pVtbl->Release(var.pInterface);
+ //processing crop informaiton according to alignment
+ if (ctx->encoder->pVtbl->GetProperty(ctx->encoder,
AMF_VIDEO_ENCODER_AV1_CAP_WIDTH_ALIGNMENT_FACTOR_LOCAL, &var) != AMF_OK)
+ // assume older driver and Navi3x
+ width_alignment_factor = 64;
+ else
+ width_alignment_factor = (int)var.int64Value;
+
+ if (ctx->encoder->pVtbl->GetProperty(ctx->encoder,
AMF_VIDEO_ENCODER_AV1_CAP_HEIGHT_ALIGNMENT_FACTOR_LOCAL, &var) != AMF_OK)
+ // assume older driver and Navi3x
+ height_alignment_factor = 16;
+ else
+ height_alignment_factor = (int)var.int64Value;
+
+ if (width_alignment_factor != -1 && height_alignment_factor != -1) {
+ if (avctx->width % width_alignment_factor != 0)
+ crop_right = width_alignment_factor - (avctx->width &
(width_alignment_factor - 1));
+
+ if (avctx->height % height_alignment_factor != 0)
+ crop_bottom = height_alignment_factor - (avctx->height &
(height_alignment_factor - 1));
+
+ //There is specia processing for crop_bottom equal to 8 in hardware
+ if (crop_bottom == 8)
+ crop_bottom = 2;
+ }
+
+ if (crop_right != 0 || crop_bottom != 0) {
+ ctx->crop = av_mallocz(sizeof(uint32_t) * 4);
+ if (!ctx->crop) {
+ av_log(ctx, AV_LOG_WARNING, "Can't allocate memory for amf av1
encoder crop information\n");
+ return AVERROR(ENOMEM);
+ }
+
+ sd_crop = av_realloc_array(avctx->coded_side_data,
avctx->nb_coded_side_data + 1, sizeof(*sd_crop));
+ if (!sd_crop) {
+ av_log(ctx, AV_LOG_WARNING, "Can't allocate memory for amf av1
encoder crop information\n");
+ av_freep(ctx->crop);
+ return AVERROR(ENOMEM);
+ }
+
+ avctx->coded_side_data = sd_crop;
+ avctx->nb_coded_side_data++;
+
+ //top, bottom, left,right
+ AV_WL32(ctx->crop + 0, 0);
+ AV_WL32(ctx->crop + 1, crop_bottom);
+ AV_WL32(ctx->crop + 2, 0);
+ AV_WL32(ctx->crop + 3, crop_right);
+
+ avctx->coded_side_data[avctx->nb_coded_side_data - 1].type =
AV_PKT_DATA_FRAME_CROPPING;
+ avctx->coded_side_data[avctx->nb_coded_side_data - 1].data =
(uint8_t*)ctx->crop;
+ avctx->coded_side_data[avctx->nb_coded_side_data - 1].size =
sizeof(uint32_t) * 4;
+ }
+
return 0;
}
--
2.45.2.windows.1
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