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Code Issues Releases Activity

avcodec/amfenc: redesign to use hwcontext_amf.

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Co-authored-by: Evgeny Pavlov <lucenticus@gmail.com>
v3: cleanup code
This commit is contained in:
Dmitrii Ovchinnikov
2024-10-15 19:52:12 +02:00
parent 1f94cc4588
commit 88a8ba5c99
5 changed files with 331 additions and 657 deletions
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589
libavcodec/amfenc.c
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@ -22,6 +22,8 @@
#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_amf.h"
#include "libavutil/hwcontext_amf_internal.h"
#if CONFIG_D3D11VA
#include "libavutil/hwcontext_d3d11va.h"
#endif
@ -38,6 +40,8 @@
#include "internal.h"
#include "libavutil/mastering_display_metadata.h"
#define AMF_AV_FRAME_REF L"av_frame_ref"
static int amf_save_hdr_metadata(AVCodecContext *avctx, const AVFrame *frame, AMFHDRMetadata *hdrmeta)
{
AVFrameSideData *sd_display;
@ -112,287 +116,18 @@ const enum AVPixelFormat ff_amf_pix_fmts[] = {
AV_PIX_FMT_DXVA2_VLD,
#endif
AV_PIX_FMT_P010,
AV_PIX_FMT_AMF_SURFACE,
AV_PIX_FMT_NONE
};
typedef struct FormatMap {
enum AVPixelFormat av_format;
enum AMF_SURFACE_FORMAT amf_format;
} FormatMap;
static const FormatMap format_map[] =
{
{ AV_PIX_FMT_NONE, AMF_SURFACE_UNKNOWN },
{ AV_PIX_FMT_NV12, AMF_SURFACE_NV12 },
{ AV_PIX_FMT_P010, AMF_SURFACE_P010 },
{ AV_PIX_FMT_BGR0, AMF_SURFACE_BGRA },
{ AV_PIX_FMT_RGB0, AMF_SURFACE_RGBA },
{ AV_PIX_FMT_GRAY8, AMF_SURFACE_GRAY8 },
{ AV_PIX_FMT_YUV420P, AMF_SURFACE_YUV420P },
{ AV_PIX_FMT_YUYV422, AMF_SURFACE_YUY2 },
};
static enum AMF_SURFACE_FORMAT amf_av_to_amf_format(enum AVPixelFormat fmt)
{
int i;
for (i = 0; i < amf_countof(format_map); i++) {
if (format_map[i].av_format == fmt) {
return format_map[i].amf_format;
}
}
return AMF_SURFACE_UNKNOWN;
}
static void AMF_CDECL_CALL AMFTraceWriter_Write(AMFTraceWriter *pThis,
const wchar_t *scope, const wchar_t *message)
{
AmfTraceWriter *tracer = (AmfTraceWriter*)pThis;
av_log(tracer->avctx, AV_LOG_DEBUG, "%ls: %ls", scope, message); // \n is provided from AMF
}
static void AMF_CDECL_CALL AMFTraceWriter_Flush(AMFTraceWriter *pThis)
{
}
static AMFTraceWriterVtbl tracer_vtbl =
{
.Write = AMFTraceWriter_Write,
.Flush = AMFTraceWriter_Flush,
};
static int amf_load_library(AVCodecContext *avctx)
{
AmfContext *ctx = avctx->priv_data;
AMFInit_Fn init_fun;
AMFQueryVersion_Fn version_fun;
AMF_RESULT res;
ctx->delayed_frame = av_frame_alloc();
if (!ctx->delayed_frame) {
return AVERROR(ENOMEM);
}
// hardcoded to current HW queue size - will auto-realloc if too small
ctx->timestamp_list = av_fifo_alloc2(avctx->max_b_frames + 16, sizeof(int64_t),
AV_FIFO_FLAG_AUTO_GROW);
if (!ctx->timestamp_list) {
return AVERROR(ENOMEM);
}
ctx->dts_delay = 0;
ctx->library = dlopen(AMF_DLL_NAMEA, RTLD_NOW | RTLD_LOCAL);
AMF_RETURN_IF_FALSE(ctx, ctx->library != NULL,
AVERROR_UNKNOWN, "DLL %s failed to open\n", AMF_DLL_NAMEA);
init_fun = (AMFInit_Fn)dlsym(ctx->library, AMF_INIT_FUNCTION_NAME);
AMF_RETURN_IF_FALSE(ctx, init_fun != NULL, AVERROR_UNKNOWN, "DLL %s failed to find function %s\n", AMF_DLL_NAMEA, AMF_INIT_FUNCTION_NAME);
version_fun = (AMFQueryVersion_Fn)dlsym(ctx->library, AMF_QUERY_VERSION_FUNCTION_NAME);
AMF_RETURN_IF_FALSE(ctx, version_fun != NULL, AVERROR_UNKNOWN, "DLL %s failed to find function %s\n", AMF_DLL_NAMEA, AMF_QUERY_VERSION_FUNCTION_NAME);
res = version_fun(&ctx->version);
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "%s failed with error %d\n", AMF_QUERY_VERSION_FUNCTION_NAME, res);
res = init_fun(AMF_FULL_VERSION, &ctx->factory);
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "%s failed with error %d\n", AMF_INIT_FUNCTION_NAME, res);
res = ctx->factory->pVtbl->GetTrace(ctx->factory, &ctx->trace);
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "GetTrace() failed with error %d\n", res);
res = ctx->factory->pVtbl->GetDebug(ctx->factory, &ctx->debug);
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "GetDebug() failed with error %d\n", res);
return 0;
}
#if CONFIG_D3D11VA
static int amf_init_from_d3d11_device(AVCodecContext *avctx, AVD3D11VADeviceContext *hwctx)
{
AmfContext *ctx = avctx->priv_data;
AMF_RESULT res;
res = ctx->context->pVtbl->InitDX11(ctx->context, hwctx->device, AMF_DX11_1);
if (res != AMF_OK) {
if (res == AMF_NOT_SUPPORTED)
av_log(avctx, AV_LOG_ERROR, "AMF via D3D11 is not supported on the given device.\n");
else
av_log(avctx, AV_LOG_ERROR, "AMF failed to initialise on the given D3D11 device: %d.\n", res);
return AVERROR(ENODEV);
}
return 0;
}
#endif
#if CONFIG_DXVA2
static int amf_init_from_dxva2_device(AVCodecContext *avctx, AVDXVA2DeviceContext *hwctx)
{
AmfContext *ctx = avctx->priv_data;
HANDLE device_handle;
IDirect3DDevice9 *device;
HRESULT hr;
AMF_RESULT res;
int ret;
hr = IDirect3DDeviceManager9_OpenDeviceHandle(hwctx->devmgr, &device_handle);
if (FAILED(hr)) {
av_log(avctx, AV_LOG_ERROR, "Failed to open device handle for Direct3D9 device: %lx.\n", (unsigned long)hr);
return AVERROR_EXTERNAL;
}
hr = IDirect3DDeviceManager9_LockDevice(hwctx->devmgr, device_handle, &device, FALSE);
if (SUCCEEDED(hr)) {
IDirect3DDeviceManager9_UnlockDevice(hwctx->devmgr, device_handle, FALSE);
ret = 0;
} else {
av_log(avctx, AV_LOG_ERROR, "Failed to lock device handle for Direct3D9 device: %lx.\n", (unsigned long)hr);
ret = AVERROR_EXTERNAL;
}
IDirect3DDeviceManager9_CloseDeviceHandle(hwctx->devmgr, device_handle);
if (ret < 0)
return ret;
res = ctx->context->pVtbl->InitDX9(ctx->context, device);
IDirect3DDevice9_Release(device);
if (res != AMF_OK) {
if (res == AMF_NOT_SUPPORTED)
av_log(avctx, AV_LOG_ERROR, "AMF via D3D9 is not supported on the given device.\n");
else
av_log(avctx, AV_LOG_ERROR, "AMF failed to initialise on given D3D9 device: %d.\n", res);
return AVERROR(ENODEV);
}
return 0;
}
#endif
static int amf_init_context(AVCodecContext *avctx)
{
AmfContext *ctx = avctx->priv_data;
AMFContext1 *context1 = NULL;
AMF_RESULT res;
av_unused int ret;
ctx->hwsurfaces_in_queue = 0;
// 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 );
if (ctx->log_to_dbg)
ctx->trace->pVtbl->SetWriterLevel(ctx->trace, AMF_TRACE_WRITER_DEBUG_OUTPUT, AMF_TRACE_TRACE);
ctx->trace->pVtbl->EnableWriter(ctx->trace, AMF_TRACE_WRITER_CONSOLE, 0);
ctx->trace->pVtbl->SetGlobalLevel(ctx->trace, AMF_TRACE_TRACE);
// connect AMF logger to av_log
ctx->tracer.vtbl = &tracer_vtbl;
ctx->tracer.avctx = avctx;
ctx->trace->pVtbl->RegisterWriter(ctx->trace, FFMPEG_AMF_WRITER_ID,(AMFTraceWriter*)&ctx->tracer, 1);
ctx->trace->pVtbl->SetWriterLevel(ctx->trace, FFMPEG_AMF_WRITER_ID, AMF_TRACE_TRACE);
res = ctx->factory->pVtbl->CreateContext(ctx->factory, &ctx->context);
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "CreateContext() failed with error %d\n", res);
// If a device was passed to the encoder, try to initialise from that.
if (avctx->hw_frames_ctx) {
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
if (amf_av_to_amf_format(frames_ctx->sw_format) == AMF_SURFACE_UNKNOWN) {
av_log(avctx, AV_LOG_ERROR, "Format of input frames context (%s) is not supported by AMF.\n",
av_get_pix_fmt_name(frames_ctx->sw_format));
return AVERROR(EINVAL);
}
switch (frames_ctx->device_ctx->type) {
#if CONFIG_D3D11VA
case AV_HWDEVICE_TYPE_D3D11VA:
ret = amf_init_from_d3d11_device(avctx, frames_ctx->device_ctx->hwctx);
if (ret < 0)
return ret;
break;
#endif
#if CONFIG_DXVA2
case AV_HWDEVICE_TYPE_DXVA2:
ret = amf_init_from_dxva2_device(avctx, frames_ctx->device_ctx->hwctx);
if (ret < 0)
return ret;
break;
#endif
default:
av_log(avctx, AV_LOG_ERROR, "AMF initialisation from a %s frames context is not supported.\n",
av_hwdevice_get_type_name(frames_ctx->device_ctx->type));
return AVERROR(ENOSYS);
}
ctx->hw_frames_ctx = av_buffer_ref(avctx->hw_frames_ctx);
if (!ctx->hw_frames_ctx)
return AVERROR(ENOMEM);
if (frames_ctx->initial_pool_size > 0)
ctx->hwsurfaces_in_queue_max = FFMIN(ctx->hwsurfaces_in_queue_max, frames_ctx->initial_pool_size - 1);
} else if (avctx->hw_device_ctx) {
AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)avctx->hw_device_ctx->data;
switch (device_ctx->type) {
#if CONFIG_D3D11VA
case AV_HWDEVICE_TYPE_D3D11VA:
ret = amf_init_from_d3d11_device(avctx, device_ctx->hwctx);
if (ret < 0)
return ret;
break;
#endif
#if CONFIG_DXVA2
case AV_HWDEVICE_TYPE_DXVA2:
ret = amf_init_from_dxva2_device(avctx, device_ctx->hwctx);
if (ret < 0)
return ret;
break;
#endif
default:
av_log(avctx, AV_LOG_ERROR, "AMF initialisation from a %s device is not supported.\n",
av_hwdevice_get_type_name(device_ctx->type));
return AVERROR(ENOSYS);
}
ctx->hw_device_ctx = av_buffer_ref(avctx->hw_device_ctx);
if (!ctx->hw_device_ctx)
return AVERROR(ENOMEM);
} else {
res = ctx->context->pVtbl->InitDX11(ctx->context, NULL, AMF_DX11_1);
if (res == AMF_OK) {
av_log(avctx, AV_LOG_VERBOSE, "AMF initialisation succeeded via D3D11.\n");
} else {
res = ctx->context->pVtbl->InitDX9(ctx->context, NULL);
if (res == AMF_OK) {
av_log(avctx, AV_LOG_VERBOSE, "AMF initialisation succeeded via D3D9.\n");
} else {
AMFGuid guid = IID_AMFContext1();
res = ctx->context->pVtbl->QueryInterface(ctx->context, &guid, (void**)&context1);
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "CreateContext1() failed with error %d\n", res);
res = context1->pVtbl->InitVulkan(context1, NULL);
context1->pVtbl->Release(context1);
if (res != AMF_OK) {
if (res == AMF_NOT_SUPPORTED)
av_log(avctx, AV_LOG_ERROR, "AMF via Vulkan is not supported on the given device.\n");
else
av_log(avctx, AV_LOG_ERROR, "AMF failed to initialise on the given Vulkan device: %d.\n", res);
return AVERROR(ENOSYS);
}
av_log(avctx, AV_LOG_VERBOSE, "AMF initialisation succeeded via Vulkan.\n");
}
}
}
return 0;
}
static int amf_init_encoder(AVCodecContext *avctx)
{
AmfContext *ctx = avctx->priv_data;
AMFEncoderContext *ctx = avctx->priv_data;
const wchar_t *codec_id = NULL;
AMF_RESULT res;
enum AVPixelFormat pix_fmt;
AVHWDeviceContext *hw_device_ctx = (AVHWDeviceContext*)ctx->device_ctx_ref->data;
AVAMFDeviceContext *amf_device_ctx = (AVAMFDeviceContext *)hw_device_ctx->hwctx;
switch (avctx->codec->id) {
case AV_CODEC_ID_H264:
@ -409,35 +144,32 @@ static int amf_init_encoder(AVCodecContext *avctx)
}
AMF_RETURN_IF_FALSE(ctx, codec_id != NULL, AVERROR(EINVAL), "Codec %d is not supported\n", avctx->codec->id);
if (ctx->hw_frames_ctx)
pix_fmt = ((AVHWFramesContext*)ctx->hw_frames_ctx->data)->sw_format;
if (avctx->hw_frames_ctx)
pix_fmt = ((AVHWFramesContext*)avctx->hw_frames_ctx->data)->sw_format;
else
pix_fmt = avctx->pix_fmt;
if (pix_fmt == AV_PIX_FMT_P010) {
AMF_RETURN_IF_FALSE(ctx, ctx->version >= AMF_MAKE_FULL_VERSION(1, 4, 32, 0), AVERROR_UNKNOWN, "10-bit encoder is not supported by AMD GPU drivers versions lower than 23.30.\n");
AMF_RETURN_IF_FALSE(ctx, amf_device_ctx->version >= AMF_MAKE_FULL_VERSION(1, 4, 32, 0), AVERROR_UNKNOWN, "10-bit encoder is not supported by AMD GPU drivers versions lower than 23.30.\n");
}
ctx->format = amf_av_to_amf_format(pix_fmt);
ctx->format = av_av_to_amf_format(pix_fmt);
AMF_RETURN_IF_FALSE(ctx, ctx->format != AMF_SURFACE_UNKNOWN, AVERROR(EINVAL),
"Format %s is not supported\n", av_get_pix_fmt_name(pix_fmt));
res = ctx->factory->pVtbl->CreateComponent(ctx->factory, ctx->context, codec_id, &ctx->encoder);
res = amf_device_ctx->factory->pVtbl->CreateComponent(amf_device_ctx->factory, amf_device_ctx->context, codec_id, &ctx->encoder);
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_ENCODER_NOT_FOUND, "CreateComponent(%ls) failed with error %d\n", codec_id, res);
ctx->submitted_frame = 0;
ctx->encoded_frame = 0;
ctx->eof = 0;
return 0;
}
int av_cold ff_amf_encode_close(AVCodecContext *avctx)
{
AmfContext *ctx = avctx->priv_data;
if (ctx->delayed_surface) {
ctx->delayed_surface->pVtbl->Release(ctx->delayed_surface);
ctx->delayed_surface = NULL;
}
AMFEncoderContext *ctx = avctx->priv_data;
if (ctx->encoder) {
ctx->encoder->pVtbl->Terminate(ctx->encoder);
@ -445,27 +177,7 @@ int av_cold ff_amf_encode_close(AVCodecContext *avctx)
ctx->encoder = NULL;
}
if (ctx->context) {
ctx->context->pVtbl->Terminate(ctx->context);
ctx->context->pVtbl->Release(ctx->context);
ctx->context = NULL;
}
av_buffer_unref(&ctx->hw_device_ctx);
av_buffer_unref(&ctx->hw_frames_ctx);
if (ctx->trace) {
ctx->trace->pVtbl->UnregisterWriter(ctx->trace, FFMPEG_AMF_WRITER_ID);
}
if (ctx->library) {
dlclose(ctx->library);
ctx->library = NULL;
}
ctx->trace = NULL;
ctx->debug = NULL;
ctx->factory = NULL;
ctx->version = 0;
ctx->delayed_drain = 0;
av_frame_free(&ctx->delayed_frame);
av_buffer_unref(&ctx->device_ctx_ref);
av_fifo_freep2(&ctx->timestamp_list);
return 0;
@ -475,12 +187,12 @@ static int amf_copy_surface(AVCodecContext *avctx, const AVFrame *frame,
AMFSurface* surface)
{
AMFPlane *plane;
uint8_t *dst_data[4];
int dst_linesize[4];
uint8_t *dst_data[4] = {0};
int dst_linesize[4] = {0};
int planes;
int i;
planes = surface->pVtbl->GetPlanesCount(surface);
planes = (int)surface->pVtbl->GetPlanesCount(surface);
av_assert0(planes < FF_ARRAY_ELEMS(dst_data));
for (i = 0; i < planes; i++) {
@ -497,7 +209,7 @@ static int amf_copy_surface(AVCodecContext *avctx, const AVFrame *frame,
static int amf_copy_buffer(AVCodecContext *avctx, AVPacket *pkt, AMFBuffer *buffer)
{
AmfContext *ctx = avctx->priv_data;
AMFEncoderContext *ctx = avctx->priv_data;
int ret;
AMFVariantStruct var = {0};
int64_t timestamp = AV_NOPTS_VALUE;
@ -534,7 +246,6 @@ static int amf_copy_buffer(AVCodecContext *avctx, AVPacket *pkt, AMFBuffer *buff
pkt->pts = var.int64Value; // original pts
AMF_RETURN_IF_FALSE(ctx, av_fifo_read(ctx->timestamp_list, &timestamp, 1) >= 0,
AVERROR_UNKNOWN, "timestamp_list is empty\n");
@ -542,6 +253,7 @@ static int amf_copy_buffer(AVCodecContext *avctx, AVPacket *pkt, AMFBuffer *buff
if ((ctx->max_b_frames > 0 || ((ctx->pa_adaptive_mini_gop == 1) ? true : false)) && ctx->dts_delay == 0) {
int64_t timestamp_last = AV_NOPTS_VALUE;
size_t can_read = av_fifo_can_read(ctx->timestamp_list);
AMF_RETURN_IF_FALSE(ctx, can_read > 0, AVERROR_UNKNOWN,
"timestamp_list is empty while max_b_frames = %d\n", avctx->max_b_frames);
av_fifo_peek(ctx->timestamp_list, &timestamp_last, 1, can_read - 1);
@ -558,14 +270,50 @@ static int amf_copy_buffer(AVCodecContext *avctx, AVPacket *pkt, AMFBuffer *buff
int ff_amf_encode_init(AVCodecContext *avctx)
{
int ret;
AMFEncoderContext *ctx = avctx->priv_data;
AVHWDeviceContext *hwdev_ctx = NULL;
// hardcoded to current HW queue size - will auto-realloc if too small
ctx->timestamp_list = av_fifo_alloc2(avctx->max_b_frames + 16, sizeof(int64_t),
AV_FIFO_FLAG_AUTO_GROW);
if (!ctx->timestamp_list) {
return AVERROR(ENOMEM);
}
ctx->dts_delay = 0;
ctx->hwsurfaces_in_queue = 0;
if (avctx->hw_device_ctx) {
hwdev_ctx = (AVHWDeviceContext*)avctx->hw_device_ctx->data;
if (hwdev_ctx->type == AV_HWDEVICE_TYPE_AMF)
{
ctx->device_ctx_ref = av_buffer_ref(avctx->hw_device_ctx);
}
else {
ret = av_hwdevice_ctx_create_derived(&ctx->device_ctx_ref, AV_HWDEVICE_TYPE_AMF, avctx->hw_device_ctx, 0);
AMF_RETURN_IF_FALSE(avctx, ret == 0, ret, "Failed to create derived AMF device context: %s\n", av_err2str(ret));
}
} else if (avctx->hw_frames_ctx) {
AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
if (frames_ctx->device_ref ) {
if (frames_ctx->format == AV_PIX_FMT_AMF_SURFACE) {
ctx->device_ctx_ref = av_buffer_ref(frames_ctx->device_ref);
}
else {
ret = av_hwdevice_ctx_create_derived(&ctx->device_ctx_ref, AV_HWDEVICE_TYPE_AMF, frames_ctx->device_ref, 0);
AMF_RETURN_IF_FALSE(avctx, ret == 0, ret, "Failed to create derived AMF device context: %s\n", av_err2str(ret));
}
}
}
else {
ret = av_hwdevice_ctx_create(&ctx->device_ctx_ref, AV_HWDEVICE_TYPE_AMF, NULL, NULL, 0);
AMF_RETURN_IF_FALSE(avctx, ret == 0, ret, "Failed to create hardware device context (AMF) : %s\n", av_err2str(ret));
}
if ((ret = amf_load_library(avctx)) == 0) {
if ((ret = amf_init_context(avctx)) == 0) {
if ((ret = amf_init_encoder(avctx)) == 0) {
return 0;
}
}
}
ff_amf_encode_close(avctx);
return ret;
}
@ -592,84 +340,68 @@ static AMF_RESULT amf_set_property_buffer(AMFSurface *object, const wchar_t *nam
return res;
}
static AMF_RESULT amf_get_property_buffer(AMFData *object, const wchar_t *name, AMFBuffer **val)
static AMF_RESULT amf_store_attached_frame_ref(const AVFrame *frame, AMFSurface *surface)
{
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);
AMF_RESULT res = AMF_FAIL;
int64_t data;
AVFrame *frame_ref = av_frame_clone(frame);
if (frame_ref) {
memcpy(&data, &frame_ref, sizeof(frame_ref)); // store pointer in 8 bytes
AMF_ASSIGN_PROPERTY_INT64(res, surface, AMF_AV_FRAME_REF, data);
}
return res;
}
static AMFBuffer *amf_create_buffer_with_frame_ref(const AVFrame *frame, AMFContext *context)
static AMF_RESULT amf_release_attached_frame_ref(AMFBuffer *buffer)
{
AMFVariantStruct var = {0};
AMF_RESULT res = buffer->pVtbl->GetProperty(buffer, AMF_AV_FRAME_REF, &var);
if(res == AMF_OK && var.int64Value){
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 *frame_ref;
memcpy(&frame_ref, frame_ref_storage_buffer->pVtbl->GetNative(frame_ref_storage_buffer), sizeof(frame_ref));
memcpy(&frame_ref, &var.int64Value, sizeof(frame_ref));
av_frame_free(&frame_ref);
frame_ref_storage_buffer->pVtbl->Release(frame_ref_storage_buffer);
}
return res;
}
int ff_amf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
{
AmfContext *ctx = avctx->priv_data;
AMFEncoderContext *ctx = avctx->priv_data;
AVHWDeviceContext *hw_device_ctx = (AVHWDeviceContext*)ctx->device_ctx_ref->data;
AVAMFDeviceContext *amf_device_ctx = (AVAMFDeviceContext *)hw_device_ctx->hwctx;
AMFSurface *surface;
AMF_RESULT res;
int ret;
AMF_RESULT res_query;
AMFData *data = NULL;
AVFrame *frame = ctx->delayed_frame;
AVFrame *frame = av_frame_alloc();
int block_and_wait;
int query_output_data_flag = 0;
AMF_RESULT res_resubmit;
int input_full = 0;
int hw_surface = 0;
int64_t pts = 0;
int max_b_frames = ctx->max_b_frames < 0 ? 0 : ctx->max_b_frames;
if (!ctx->encoder)
if (!ctx->encoder){
av_frame_free(&frame);
return AVERROR(EINVAL);
if (!frame->buf[0]) {
}
ret = ff_encode_get_frame(avctx, frame);
if (ret < 0 && ret != AVERROR_EOF)
if(ret < 0){
if(ret != AVERROR_EOF){
av_frame_free(&frame);
if(ret == AVERROR(EAGAIN)){
if(ctx->submitted_frame <= ctx->encoded_frame + max_b_frames + 1) // too soon to poll
return ret;
}
}
}
if(ret != AVERROR(EAGAIN)){
if (!frame->buf[0]) { // submit drain
if (!ctx->eof) { // submit drain one time only
if (ctx->delayed_surface != NULL) {
ctx->delayed_drain = 1; // input queue is full: resubmit Drain() in ff_amf_receive_packet
} else if(!ctx->delayed_drain) {
if(!ctx->delayed_drain) {
res = ctx->encoder->pVtbl->Drain(ctx->encoder);
if (res == AMF_INPUT_FULL) {
ctx->delayed_drain = 1; // input queue is full: resubmit Drain() in ff_amf_receive_packet
ctx->delayed_drain = 1; // input queue is full: resubmit Drain() in receive loop
} else {
if (res == AMF_OK) {
ctx->eof = 1; // drain started
@ -678,8 +410,7 @@ int ff_amf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
}
}
}
} else if (!ctx->delayed_surface) { // submit frame
int hw_surface = 0;
} else { // submit frame
// prepare surface from frame
switch (frame->format) {
@ -690,12 +421,12 @@ int ff_amf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
ID3D11Texture2D *texture = (ID3D11Texture2D*)frame->data[0]; // actual texture
int index = (intptr_t)frame->data[1]; // index is a slice in texture array is - set to tell AMF which slice to use
av_assert0(frame->hw_frames_ctx && ctx->hw_frames_ctx &&
frame->hw_frames_ctx->data == ctx->hw_frames_ctx->data);
av_assert0(frame->hw_frames_ctx && avctx->hw_frames_ctx &&
frame->hw_frames_ctx->data == avctx->hw_frames_ctx->data);
texture->lpVtbl->SetPrivateData(texture, &AMFTextureArrayIndexGUID, sizeof(index), &index);
res = ctx->context->pVtbl->CreateSurfaceFromDX11Native(ctx->context, texture, &surface, NULL); // wrap to AMF surface
res = amf_device_ctx->context->pVtbl->CreateSurfaceFromDX11Native(amf_device_ctx->context, texture, &surface, NULL); // wrap to AMF surface
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM), "CreateSurfaceFromDX11Native() failed with error %d\n", res);
hw_surface = 1;
@ -707,16 +438,23 @@ int ff_amf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
{
IDirect3DSurface9 *texture = (IDirect3DSurface9 *)frame->data[3]; // actual texture
res = ctx->context->pVtbl->CreateSurfaceFromDX9Native(ctx->context, texture, &surface, NULL); // wrap to AMF surface
res = amf_device_ctx->context->pVtbl->CreateSurfaceFromDX9Native(amf_device_ctx->context, texture, &surface, NULL); // wrap to AMF surface
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR(ENOMEM), "CreateSurfaceFromDX9Native() failed with error %d\n", res);
hw_surface = 1;
}
break;
#endif
case AV_PIX_FMT_AMF_SURFACE:
{
surface = (AMFSurface*)frame->data[0];
surface->pVtbl->Acquire(surface);
hw_surface = 1;
}
break;
default:
{
res = ctx->context->pVtbl->AllocSurface(ctx->context, AMF_MEMORY_HOST, ctx->format, avctx->width, avctx->height, &surface);
res = amf_device_ctx->context->pVtbl->AllocSurface(amf_device_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);
amf_copy_surface(avctx, frame, surface);
}
@ -724,24 +462,16 @@ int ff_amf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
}
if (hw_surface) {
AMFBuffer *frame_ref_storage_buffer;
amf_store_attached_frame_ref(frame, surface);
ctx->hwsurfaces_in_queue++;
// input HW surfaces can be vertically aligned by 16; tell AMF the real size
surface->pVtbl->SetCrop(surface, 0, 0, frame->width, frame->height);
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);
}
// HDR10 metadata
if (frame->color_trc == AVCOL_TRC_SMPTE2084) {
AMFBuffer * hdrmeta_buffer = NULL;
res = ctx->context->pVtbl->AllocBuffer(ctx->context, AMF_MEMORY_HOST, sizeof(AMFHDRMetadata), &hdrmeta_buffer);
res = amf_device_ctx->context->pVtbl->AllocBuffer(amf_device_ctx->context, AMF_MEMORY_HOST, sizeof(AMFHDRMetadata), &hdrmeta_buffer);
if (res == AMF_OK) {
AMFHDRMetadata * hdrmeta = (AMFHDRMetadata*)hdrmeta_buffer->pVtbl->GetNative(hdrmeta_buffer);
if (amf_save_hdr_metadata(avctx, frame, hdrmeta) == 0) {
@ -813,91 +543,51 @@ int ff_amf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
default:
break;
}
pts = frame->pts;
// submit surface
res = ctx->encoder->pVtbl->SubmitInput(ctx->encoder, (AMFData*)surface);
av_frame_free(&frame);
if (res == AMF_INPUT_FULL) { // handle full queue
//store surface for later submission
ctx->delayed_surface = surface;
input_full = 1;
} else {
int64_t pts = frame->pts;
surface->pVtbl->Release(surface);
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "SubmitInput() failed with error %d\n", res);
av_frame_unref(frame);
ret = av_fifo_write(ctx->timestamp_list, &pts, 1);
if (ctx->submitted_frame == 0)
{
ctx->use_b_frame = (ctx->max_b_frames > 0 || ((ctx->pa_adaptive_mini_gop == 1) ? true : false));
}
ctx->submitted_frame++;
ret = av_fifo_write(ctx->timestamp_list, &pts, 1);
if (ret < 0)
return ret;
if(ctx->submitted_frame <= ctx->encoded_frame + max_b_frames + 1)
return AVERROR(EAGAIN); // if frame just submiited - don't poll or wait
}
}
}
av_frame_free(&frame);
do {
block_and_wait = 0;
// poll data
if (!avpkt->data && !avpkt->buf && (ctx->use_b_frame ? (ctx->submitted_frame >= 2) : true) ) {
res_query = ctx->encoder->pVtbl->QueryOutput(ctx->encoder, &data);
if (data) {
// copy data to packet
AMFBuffer *buffer;
AMFGuid guid = IID_AMFBuffer();
query_output_data_flag = 1;
data->pVtbl->QueryInterface(data, &guid, (void**)&buffer); // query for buffer interface
ret = amf_copy_buffer(avctx, avpkt, buffer);
ctx->submitted_frame++;
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);
if (amf_release_attached_frame_ref(buffer) == AMF_OK) {
ctx->hwsurfaces_in_queue--;
}
ctx->encoded_frame++;
buffer->pVtbl->Release(buffer);
data->pVtbl->Release(data);
AMF_RETURN_IF_FALSE(ctx, ret >= 0, ret, "amf_copy_buffer() failed with error %d\n", ret);
}
}
res_resubmit = AMF_OK;
if (ctx->delayed_surface != NULL) { // try to resubmit frame
if (ctx->delayed_surface->pVtbl->HasProperty(ctx->delayed_surface, L"av_frame_hdrmeta")) {
AMFBuffer * hdrmeta_buffer = NULL;
res = amf_get_property_buffer((AMFData *)ctx->delayed_surface, L"av_frame_hdrmeta", &hdrmeta_buffer);
AMF_RETURN_IF_FALSE(avctx, res == AMF_OK, AVERROR_UNKNOWN, "GetProperty failed for \"av_frame_hdrmeta\" with error %d\n", res);
switch (avctx->codec->id) {
case AV_CODEC_ID_H264:
AMF_ASSIGN_PROPERTY_INTERFACE(res, ctx->encoder, AMF_VIDEO_ENCODER_INPUT_HDR_METADATA, hdrmeta_buffer); break;
case AV_CODEC_ID_HEVC:
AMF_ASSIGN_PROPERTY_INTERFACE(res, ctx->encoder, AMF_VIDEO_ENCODER_HEVC_INPUT_HDR_METADATA, hdrmeta_buffer); break;
case AV_CODEC_ID_AV1:
AMF_ASSIGN_PROPERTY_INTERFACE(res, ctx->encoder, AMF_VIDEO_ENCODER_AV1_INPUT_HDR_METADATA, hdrmeta_buffer); break;
}
hdrmeta_buffer->pVtbl->Release(hdrmeta_buffer);
}
res_resubmit = ctx->encoder->pVtbl->SubmitInput(ctx->encoder, (AMFData*)ctx->delayed_surface);
if (res_resubmit != AMF_INPUT_FULL) {
int64_t pts = ctx->delayed_surface->pVtbl->GetPts(ctx->delayed_surface);
ctx->delayed_surface->pVtbl->Release(ctx->delayed_surface);
ctx->delayed_surface = NULL;
av_frame_unref(ctx->delayed_frame);
AMF_RETURN_IF_FALSE(ctx, res_resubmit == AMF_OK, AVERROR_UNKNOWN, "Repeated SubmitInput() failed with error %d\n", res_resubmit);
ctx->submitted_frame++;
ret = av_fifo_write(ctx->timestamp_list, &pts, 1);
if (ret < 0)
return ret;
}
} else if (ctx->delayed_drain) { // try to resubmit drain
if (ctx->delayed_drain) { // try to resubmit drain
res = ctx->encoder->pVtbl->Drain(ctx->encoder);
if (res != AMF_INPUT_FULL) {
ctx->delayed_drain = 0;
@ -907,18 +597,14 @@ 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");
}
}
if (query_output_data_flag == 0) {
if (res_resubmit == AMF_INPUT_FULL || ctx->delayed_drain || (ctx->eof && res_query != AMF_EOF) || (ctx->hwsurfaces_in_queue >= ctx->hwsurfaces_in_queue_max)) {
} else if (ctx->delayed_drain || (ctx->eof && res_query != AMF_EOF) || (ctx->hwsurfaces_in_queue >= ctx->hwsurfaces_in_queue_max) || input_full) {
block_and_wait = 1;
// Only sleep if the driver doesn't support waiting in QueryOutput()
// or if we already have output data so we will skip calling it.
if (!ctx->query_timeout_supported || avpkt->data || avpkt->buf) {
av_usleep(1000);
}
}
}
} while (block_and_wait);
if (res_query == AMF_EOF) {
@ -926,6 +612,23 @@ int ff_amf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
} else if (data == NULL) {
ret = AVERROR(EAGAIN);
} else {
if(input_full) {
// resubmit surface
res = ctx->encoder->pVtbl->SubmitInput(ctx->encoder, (AMFData*)surface);
surface->pVtbl->Release(surface);
if (res == AMF_INPUT_FULL) {
av_log(avctx, AV_LOG_WARNING, "Data acquired but delayed SubmitInput returned AMF_INPUT_FULL- should not happen\n");
} else {
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_UNKNOWN, "SubmitInput() failed with error %d\n", res);
ret = av_fifo_write(ctx->timestamp_list, &pts, 1);
ctx->submitted_frame++;
if (ret < 0)
return ret;
}
}
ret = 0;
}
return ret;
@ -975,5 +678,7 @@ const AVCodecHWConfigInternal *const ff_amfenc_hw_configs[] = {
HW_CONFIG_ENCODER_FRAMES(DXVA2_VLD, DXVA2),
HW_CONFIG_ENCODER_DEVICE(NONE, DXVA2),
#endif
HW_CONFIG_ENCODER_FRAMES(AMF_SURFACE, AMF),
HW_CONFIG_ENCODER_DEVICE(NONE, AMF),
NULL,
};

35
libavcodec/amfenc.h
View File

@ -33,57 +33,34 @@
#define MAX_LOOKAHEAD_DEPTH 41
/**
* AMF trace writer callback class
* Used to capture all AMF logging
*/
typedef struct AmfTraceWriter {
AMFTraceWriterVtbl *vtbl;
AVCodecContext *avctx;
} AmfTraceWriter;
/**
* AMF encoder context
*/
typedef struct AmfContext {
typedef struct AMFEncoderContext {
AVClass *avclass;
// access to AMF runtime
amf_handle library; ///< handle to DLL library
AMFFactory *factory; ///< pointer to AMF factory
AMFDebug *debug; ///< pointer to AMF debug interface
AMFTrace *trace; ///< pointer to AMF trace interface
AVBufferRef *device_ctx_ref;
amf_uint64 version; ///< version of AMF runtime
AmfTraceWriter tracer; ///< AMF writer registered with AMF
AMFContext *context; ///< AMF context
//encoder
AMFComponent *encoder; ///< AMF encoder object
amf_bool eof; ///< flag indicating EOF happened
AMF_SURFACE_FORMAT format; ///< AMF surface format
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;
int query_timeout_supported;
// helpers to handle async calls
int delayed_drain;
AMFSurface *delayed_surface;
AVFrame *delayed_frame;
// shift dts back by max_b_frames in timing
AVFifo *timestamp_list;
int64_t dts_delay;
int submitted_frame;
amf_bool use_b_frame;
int64_t submitted_frame;
int64_t encoded_frame;
// common encoder option options
int log_to_dbg;
// common encoder options
// Static options, have to be set before Init() call
int usage;
@ -154,7 +131,7 @@ typedef struct AmfContext {
int pa_adaptive_mini_gop;
} AmfContext;
} AMFEncoderContext;
extern const AVCodecHWConfigInternal *const ff_amfenc_hw_configs[];

8
libavcodec/amfenc_av1.c
View File

@ -26,7 +26,7 @@
#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 OFFSET(x) offsetof(AMFEncoderContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
@ -129,8 +129,6 @@ static const AVOption options[] = {
{ "1080p", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_64X16_1080P_CODED_1082 }, 0, 0, VE, .unit = "align" },
{ "none", "", 0, AV_OPT_TYPE_CONST, {.i64 = AMF_VIDEO_ENCODER_AV1_ALIGNMENT_MODE_NO_RESTRICTIONS }, 0, 0, VE, .unit = "align" },
{ "log_to_dbg", "Enable AMF logging to debug output", OFFSET(log_to_dbg), AV_OPT_TYPE_BOOL,{.i64 = 0 }, 0, 1, VE },
//Pre Analysis options
{ "preanalysis", "Enable preanalysis", OFFSET(preanalysis), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
@ -187,7 +185,7 @@ static av_cold int amf_encode_init_av1(AVCodecContext* avctx)
{
int ret = 0;
AMF_RESULT res = AMF_OK;
AmfContext* ctx = avctx->priv_data;
AMFEncoderContext *ctx = avctx->priv_data;
AMFVariantStruct var = { 0 };
amf_int64 profile = 0;
amf_int64 profile_level = 0;
@ -693,7 +691,7 @@ const FFCodec ff_av1_amf_encoder = {
.init = amf_encode_init_av1,
FF_CODEC_RECEIVE_PACKET_CB(ff_amf_receive_packet),
.close = ff_amf_encode_close,
.priv_data_size = sizeof(AmfContext),
.priv_data_size = sizeof(AMFEncoderContext),
.p.priv_class = &av1_amf_class,
.defaults = defaults,
.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |

9
libavcodec/amfenc_h264.c
View File

@ -24,7 +24,7 @@
#include "codec_internal.h"
#include <AMF/components/PreAnalysis.h>
#define OFFSET(x) offsetof(AmfContext, x)
#define OFFSET(x) offsetof(AMFEncoderContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
@ -139,9 +139,6 @@ static const AVOption options[] = {
{ "forced_idr", "Force I frames to be IDR frames", OFFSET(forced_idr) , AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ "aud", "Inserts AU Delimiter NAL unit", OFFSET(aud) , AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
{ "log_to_dbg", "Enable AMF logging to debug output", OFFSET(log_to_dbg) , AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
//Pre Analysis options
{ "preanalysis", "Enable preanalysis", OFFSET(preanalysis), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
@ -196,7 +193,7 @@ static av_cold int amf_encode_init_h264(AVCodecContext *avctx)
{
int ret = 0;
AMF_RESULT res = AMF_OK;
AmfContext *ctx = avctx->priv_data;
AMFEncoderContext *ctx = avctx->priv_data;
AMFVariantStruct var = { 0 };
amf_int64 profile = 0;
amf_int64 profile_level = 0;
@ -605,7 +602,7 @@ const FFCodec ff_h264_amf_encoder = {
.init = amf_encode_init_h264,
FF_CODEC_RECEIVE_PACKET_CB(ff_amf_receive_packet),
.close = ff_amf_encode_close,
.priv_data_size = sizeof(AmfContext),
.priv_data_size = sizeof(AMFEncoderContext),
.p.priv_class = &h264_amf_class,
.defaults = defaults,
.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |

9
libavcodec/amfenc_hevc.c
View File

@ -23,7 +23,7 @@
#include "codec_internal.h"
#include <AMF/components/PreAnalysis.h>
#define OFFSET(x) offsetof(AmfContext, x)
#define OFFSET(x) offsetof(AMFEncoderContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
@ -105,9 +105,6 @@ static const AVOption options[] = {
{ "forced_idr", "Force I frames to be IDR frames", OFFSET(forced_idr) ,AV_OPT_TYPE_BOOL,{ .i64 = 0 }, 0, 1, VE },
{ "aud", "Inserts AU Delimiter NAL unit", OFFSET(aud) ,AV_OPT_TYPE_BOOL,{ .i64 = -1 }, -1, 1, VE },
{ "log_to_dbg", "Enable AMF logging to debug output", OFFSET(log_to_dbg), AV_OPT_TYPE_BOOL,{ .i64 = 0 }, 0, 1, VE },
//Pre Analysis options
{ "preanalysis", "Enable preanalysis", OFFSET(preanalysis), AV_OPT_TYPE_BOOL, {.i64 = -1 }, -1, 1, VE },
@ -160,7 +157,7 @@ static av_cold int amf_encode_init_hevc(AVCodecContext *avctx)
{
int ret = 0;
AMF_RESULT res = AMF_OK;
AmfContext *ctx = avctx->priv_data;
AMFEncoderContext *ctx = avctx->priv_data;
AMFVariantStruct var = {0};
amf_int64 profile = 0;
amf_int64 profile_level = 0;
@ -534,7 +531,7 @@ const FFCodec ff_hevc_amf_encoder = {
.init = amf_encode_init_hevc,
FF_CODEC_RECEIVE_PACKET_CB(ff_amf_receive_packet),
.close = ff_amf_encode_close,
.priv_data_size = sizeof(AmfContext),
.priv_data_size = sizeof(AMFEncoderContext),
.p.priv_class = &hevc_amf_class,
.defaults = defaults,
.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |