This fixes frame corruption issue when decoder started reusing frames while
they are still in use of encoding process
Issue with frame corruption was reproduced using:
avconv.exe -y -hwaccel d3d11va -hwaccel_output_format d3d11 -i input.h264
-an -c:v h264_amf output.mkv
it is recommended to use -extra_hw_frames 16 option in case if hw frames
number in pool is not enough
---
libavcodec/amfenc.c | 95
++++++++++++++++++++++++++++++++++++++++++++++++++++-
libavcodec/amfenc.h | 3 ++
2 files changed, 97 insertions(+), 1 deletion(-)
diff --git a/libavcodec/amfenc.c b/libavcodec/amfenc.c
index 74b020b4d..9a60050bc 100644
--- a/libavcodec/amfenc.c
+++ b/libavcodec/amfenc.c
@@ -162,6 +162,9 @@ static int amf_init_context(AVCodecContext *avctx)
AmfContext *ctx = avctx->priv_data;
AMF_RESULT res = AMF_OK;
+ ctx->hwsurfaces_in_queue = 0;
+ ctx->hwsurfaces_in_queue_max = 16;
+
// configure AMF logger
// the return of these functions indicates old state and do not affect
behaviour
ctx->trace->pVtbl->EnableWriter(ctx->trace,
AMF_TRACE_WRITER_DEBUG_OUTPUT, ctx->log_to_dbg != 0 );
@@ -192,6 +195,8 @@ static int amf_init_context(AVCodecContext *avctx)
if (!ctx->hw_frames_ctx) {
return AVERROR(ENOMEM);
}
+ if (device_ctx->initial_pool_size > 0)
+ ctx->hwsurfaces_in_queue_max =
device_ctx->initial_pool_size - 1;
} else {
if(res == AMF_NOT_SUPPORTED)
av_log(avctx, AV_LOG_INFO,
"avctx->hw_frames_ctx has D3D11 device which doesn't have D3D11VA interface,
switching to default\n");
@@ -447,6 +452,75 @@ int ff_amf_encode_init(AVCodecContext *avctx)
return ret;
}
+static AMF_RESULT amf_set_property_buffer(AMFSurface *object, const wchar_t
*name, AMFBuffer *val)
+{
+ AMF_RESULT res;
+ AMFVariantStruct var;
+ res = AMFVariantInit(&var);
+ if (res == AMF_OK) {
+ AMFGuid guid_AMFInterface = IID_AMFInterface();
+ AMFInterface *amf_interface;
+ res = val->pVtbl->QueryInterface(val, &guid_AMFInterface,
(void**)&amf_interface);
+
+ if (res == AMF_OK) {
+ res = AMFVariantAssignInterface(&var, amf_interface);
+ amf_interface->pVtbl->Release(amf_interface);
+ }
+ if (res == AMF_OK) {
+ res = object->pVtbl->SetProperty(object, name, var);
+ }
+ AMFVariantClear(&var);
+ }
+ return res;
+}
+
+static AMF_RESULT amf_get_property_buffer(AMFData *object, const wchar_t
*name, AMFBuffer **val)
+{
+ AMF_RESULT res;
+ AMFVariantStruct var;
+ res = AMFVariantInit(&var);
+ if (res == AMF_OK) {
+ res = object->pVtbl->GetProperty(object, name, &var);
+ if (res == AMF_OK) {
+ if (var.type == AMF_VARIANT_INTERFACE) {
+ AMFGuid guid_AMFBuffer = IID_AMFBuffer();
+ AMFInterface *amf_interface = AMFVariantInterface(&var);
+ res = amf_interface->pVtbl->QueryInterface(amf_interface,
&guid_AMFBuffer, (void**)val);
+ } else {
+ res = AMF_INVALID_DATA_TYPE;
+ }
+ }
+ AMFVariantClear(&var);
+ }
+ return res;
+}
+
+static AMFBuffer *amf_create_buffer_with_frame_ref(const AVFrame *frame,
AMFContext *context)
+{
+ AVFrame *frame_ref;
+ AMFBuffer *frame_ref_storage_buffer = NULL;
+ AMF_RESULT res;
+
+ res = context->pVtbl->AllocBuffer(context, AMF_MEMORY_HOST,
sizeof(frame_ref), &frame_ref_storage_buffer);
+ if (res == AMF_OK) {
+ frame_ref = av_frame_clone(frame);
+ if (frame_ref) {
+
memcpy(frame_ref_storage_buffer->pVtbl->GetNative(frame_ref_storage_buffer),
&frame_ref, sizeof(frame_ref));
+ } else {
+
frame_ref_storage_buffer->pVtbl->Release(frame_ref_storage_buffer);
+ frame_ref_storage_buffer = NULL;
+ }
+ }
+ return frame_ref_storage_buffer;
+}
+
+static void amf_release_buffer_with_frame_ref(AMFBuffer
*frame_ref_storage_buffer)
+{
+ AVFrame *av_frame_ref;
+ memcpy(&av_frame_ref,
frame_ref_storage_buffer->pVtbl->GetNative(frame_ref_storage_buffer),
sizeof(av_frame_ref));
+ av_frame_free(&av_frame_ref);
+ frame_ref_storage_buffer->pVtbl->Release(frame_ref_storage_buffer);
+}
int ff_amf_send_frame(AVCodecContext *avctx, const AVFrame *frame)
{
@@ -488,6 +562,8 @@ int ff_amf_send_frame(AVCodecContext *avctx, const
AVFrame *frame)
(ctx->hw_device_ctx &&
((AVHWFramesContext*)frame->hw_frames_ctx->data)->device_ctx ==
(AVHWDeviceContext*)ctx->hw_device_ctx->data)
)) {
+ AMFBuffer *frame_ref_storage_buffer;
+
#if CONFIG_D3D11VA
static const GUID AMFTextureArrayIndexGUID = { 0x28115527,
0xe7c3, 0x4b66, { 0x99, 0xd3, 0x4f, 0x2a, 0xe6, 0xb4, 0x7f, 0xaf } };
ID3D11Texture2D *texture = (ID3D11Texture2D*)frame->data[0]; //
actual texture
@@ -500,6 +576,14 @@ int ff_amf_send_frame(AVCodecContext *avctx, const
AVFrame *frame)
// input HW surfaces can be vertically aligned by 16; tell AMF
the real size
surface->pVtbl->SetCrop(surface, 0, 0, frame->width,
frame->height);
#endif
+
+ frame_ref_storage_buffer =
amf_create_buffer_with_frame_ref(frame, ctx->context);
+ AMF_RETURN_IF_FALSE(ctx, frame_ref_storage_buffer != NULL,
AVERROR(ENOMEM), "create_buffer_with_frame_ref() returned NULL\n");
+
+ res = amf_set_property_buffer(surface, L"av_frame_ref",
frame_ref_storage_buffer);
+ AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN,
"SetProperty failed for \"av_frame_ref\" with error %d\n", res);
+ ctx->hwsurfaces_in_queue++;
+
frame_ref_storage_buffer->pVtbl->Release(frame_ref_storage_buffer);
} else {
res = ctx->context->pVtbl->AllocSurface(ctx->context,
AMF_MEMORY_HOST, ctx->format, avctx->width, avctx->height, &surface);
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM),
"AllocSurface() failed with error %d\n", res);
@@ -564,6 +648,15 @@ int ff_amf_receive_packet(AVCodecContext *avctx,
AVPacket *avpkt)
ret = amf_copy_buffer(avctx, avpkt, buffer);
buffer->pVtbl->Release(buffer);
+
+ if (data->pVtbl->HasProperty(data, L"av_frame_ref")) {
+ AMFBuffer *frame_ref_storage_buffer;
+ res = amf_get_property_buffer(data, L"av_frame_ref",
&frame_ref_storage_buffer);
+ AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN,
"GetProperty failed for \"av_frame_ref\" with error %d\n", res);
+
amf_release_buffer_with_frame_ref(frame_ref_storage_buffer);
+ ctx->hwsurfaces_in_queue--;
+ }
+
data->pVtbl->Release(data);
AMF_RETURN_IF_FALSE(ctx, ret >= 0, ret, "amf_copy_buffer()
failed with error %d\n", ret);
@@ -593,7 +686,7 @@ int ff_amf_receive_packet(AVCodecContext *avctx,
AVPacket *avpkt)
av_log(avctx, AV_LOG_WARNING, "Data acquired but
delayed drain submission got AMF_INPUT_FULL- should not happen\n");
}
}
- } else if (ctx->delayed_surface != NULL || ctx->delayed_drain ||
(ctx->eof && res_query != AMF_EOF)) {
+ } else if (ctx->delayed_surface != NULL || ctx->delayed_drain ||
(ctx->eof && res_query != AMF_EOF) || (ctx->hwsurfaces_in_queue >=
ctx->hwsurfaces_in_queue_max)) {
block_and_wait = 1;
av_usleep(1000); // wait and poll again
}
diff --git a/libavcodec/amfenc.h b/libavcodec/amfenc.h
index a8153ef12..6d13eb05a 100644
--- a/libavcodec/amfenc.h
+++ b/libavcodec/amfenc.h
@@ -68,6 +68,9 @@ typedef struct AmfContext {
AVBufferRef *hw_device_ctx; ///< pointer to HW accelerator
(decoder)
AVBufferRef *hw_frames_ctx; ///< pointer to HW accelerator
(frame allocator)
+ int hwsurfaces_in_queue;
+ int hwsurfaces_in_queue_max;
+
// helpers to handle async calls
int delayed_drain;
AMFSurface *delayed_surface;
--
2.16.2.windows.1
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