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avcodec/amf_enc: av1 cropping support

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Araz Iusubov 2024-07-25 14:06:16 +02:00 committed by James Almer
parent 896c22ef00
commit 2128c17739
1 changed files with 63 additions and 0 deletions
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63
libavcodec/amfenc_av1.c
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@ -17,11 +17,15 @@
*/
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "libavutil/opt.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[] = {
@ -168,6 +172,11 @@ static av_cold int amf_encode_init_av1(AVCodecContext* avctx)
AMFSize framesize = AMFConstructSize(avctx->width, avctx->height);
//for av1 alignment and crop
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 +491,60 @@ 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 special processing for crop_bottom equal to 8 in hardware
if (crop_bottom == 8)
crop_bottom = 2;
}
if (crop_right != 0 || crop_bottom != 0) {
AVPacketSideData* sd_crop = av_realloc_array(avctx->coded_side_data, avctx->nb_coded_side_data + 1, sizeof(*sd_crop));
uint32_t* crop;
if (!sd_crop) {
av_log(ctx, AV_LOG_ERROR, "Can't allocate memory for amf av1 encoder crop information\n");
return AVERROR(ENOMEM);
}
avctx->coded_side_data = sd_crop;
crop = av_malloc(sizeof(uint32_t) * 4);
if (!crop) {
av_log(ctx, AV_LOG_ERROR, "Can't allocate memory for amf av1 encoder crop information\n");
return AVERROR(ENOMEM);
}
avctx->nb_coded_side_data++;
//top, bottom, left,right
AV_WL32(crop + 0, 0);
AV_WL32(crop + 1, crop_bottom);
AV_WL32(crop + 2, 0);
AV_WL32(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*)crop;
avctx->coded_side_data[avctx->nb_coded_side_data - 1].size = sizeof(uint32_t) * 4;
}
return 0;
}