int ff_vaapi_decode_init(AVCodecContext *avctx)
{
VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
VAStatus vas;
int err;
ctx->va_config = VA_INVALID_ID;
ctx->va_context = VA_INVALID_ID;
#if FF_API_STRUCT_VAAPI_CONTEXT
if (avctx->hwaccel_context) {
av_log(avctx, AV_LOG_WARNING, "Using deprecated struct "
"vaapi_context in decode.\n");
ctx->have_old_context = 1;
ctx->old_context = avctx->hwaccel_context;
// Really we only want the VAAPI device context, but this
// allocates a whole generic device context because we don't
// have any other way to determine how big it should be.
ctx->device_ref =
av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_VAAPI);
if (!ctx->device_ref) {
err = AVERROR(ENOMEM);
goto fail;
}
ctx->device = (AVHWDeviceContext*)ctx->device_ref->data;
ctx->hwctx = ctx->device->hwctx;
ctx->hwctx->display = ctx->old_context->display;
// The old VAAPI decode setup assumed this quirk was always
// present, so set it here to avoid the behaviour changing.
ctx->hwctx->driver_quirks =
AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS;
}
#endif
#if FF_API_STRUCT_VAAPI_CONTEXT
if (ctx->have_old_context) {
ctx->va_config = ctx->old_context->config_id;
ctx->va_context = ctx->old_context->context_id;
av_log(avctx, AV_LOG_DEBUG, "Using user-supplied decoder "
"context: %#x/%#x.\n", ctx->va_config, ctx->va_context);
} else {
#endif
err = ff_decode_get_hw_frames_ctx(avctx, AV_HWDEVICE_TYPE_VAAPI);
if (err < 0)
goto fail;
ctx->frames = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
ctx->hwfc = ctx->frames->hwctx;
ctx->device = ctx->frames->device_ctx;
ctx->hwctx = ctx->device->hwctx;
err = vaapi_decode_make_config(avctx, ctx->frames->device_ref,
&ctx->va_config, avctx->hw_frames_ctx);
if (err)
goto fail;
vas = vaCreateContext(ctx->hwctx->display, ctx->va_config,
avctx->coded_width, avctx->coded_height,
VA_PROGRESSIVE,
ctx->hwfc->surface_ids,
ctx->hwfc->nb_surfaces,
&ctx->va_context);
if (vas != VA_STATUS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "Failed to create decode "
"context: %d (%s).\n", vas, vaErrorStr(vas));
err = AVERROR(EIO);
goto fail;
}
av_log(avctx, AV_LOG_DEBUG, "Decode context initialised: "
"%#x/%#x.\n", ctx->va_config, ctx->va_context);
#if FF_API_STRUCT_VAAPI_CONTEXT
}
#endif
return 0;
fail:
ff_vaapi_decode_uninit(avctx);
return err;
}
int ff_nvdec_decode_init(AVCodecContext *avctx)
{
NVDECContext *ctx = avctx->internal->hwaccel_priv_data;
NVDECFramePool *pool;
AVHWFramesContext *frames_ctx;
const AVPixFmtDescriptor *sw_desc;
CUVIDDECODECREATEINFO params = { 0 };
int cuvid_codec_type, cuvid_chroma_format;
int ret = 0;
sw_desc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
if (!sw_desc)
return AVERROR_BUG;
cuvid_codec_type = map_avcodec_id(avctx->codec_id);
if (cuvid_codec_type < 0) {
av_log(avctx, AV_LOG_ERROR, "Unsupported codec ID\n");
return AVERROR_BUG;
}
cuvid_chroma_format = map_chroma_format(avctx->sw_pix_fmt);
if (cuvid_chroma_format < 0) {
av_log(avctx, AV_LOG_ERROR, "Unsupported chroma format\n");
return AVERROR(ENOSYS);
}
if (!avctx->hw_frames_ctx) {
ret = ff_decode_get_hw_frames_ctx(avctx, AV_HWDEVICE_TYPE_CUDA);
if (ret < 0)
return ret;
}
frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
params.ulWidth = avctx->coded_width;
params.ulHeight = avctx->coded_height;
params.ulTargetWidth = avctx->coded_width;
params.ulTargetHeight = avctx->coded_height;
params.bitDepthMinus8 = sw_desc->comp[0].depth - 8;
params.OutputFormat = params.bitDepthMinus8 ?
cudaVideoSurfaceFormat_P016 : cudaVideoSurfaceFormat_NV12;
params.CodecType = cuvid_codec_type;
params.ChromaFormat = cuvid_chroma_format;
params.ulNumDecodeSurfaces = frames_ctx->initial_pool_size;
params.ulNumOutputSurfaces = frames_ctx->initial_pool_size;
ret = nvdec_decoder_create(&ctx->decoder_ref, frames_ctx->device_ref, ¶ms, avctx);
if (ret < 0) {
if (params.ulNumDecodeSurfaces > 32) {
av_log(avctx, AV_LOG_WARNING, "Using more than 32 (%d) decode surfaces might cause nvdec to fail.\n",
(int)params.ulNumDecodeSurfaces);
av_log(avctx, AV_LOG_WARNING, "Try lowering the amount of threads. Using %d right now.\n",
avctx->thread_count);
}
return ret;
}
pool = av_mallocz(sizeof(*pool));
if (!pool) {
ret = AVERROR(ENOMEM);
goto fail;
}
pool->dpb_size = frames_ctx->initial_pool_size;
ctx->decoder_pool = av_buffer_pool_init2(sizeof(int), pool,
nvdec_decoder_frame_alloc, av_free);
if (!ctx->decoder_pool) {
ret = AVERROR(ENOMEM);
goto fail;
}
return 0;
fail:
ff_nvdec_decode_uninit(avctx);
return ret;
}
int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
int level)
{
VDPAUHWContext *hwctx = avctx->hwaccel_context;
VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
VdpVideoSurfaceQueryCapabilities *surface_query_caps;
VdpDecoderQueryCapabilities *decoder_query_caps;
VdpDecoderCreate *create;
VdpGetInformationString *info;
const char *info_string;
void *func;
VdpStatus status;
VdpBool supported;
uint32_t max_level, max_mb, max_width, max_height;
VdpChromaType type;
uint32_t width;
uint32_t height;
int ret;
vdctx->width = UINT32_MAX;
vdctx->height = UINT32_MAX;
if (av_vdpau_get_surface_parameters(avctx, &type, &width, &height))
return AVERROR(ENOSYS);
if (hwctx) {
hwctx->reset = 0;
if (hwctx->context.decoder != VDP_INVALID_HANDLE) {
vdctx->decoder = hwctx->context.decoder;
vdctx->render = hwctx->context.render;
vdctx->device = VDP_INVALID_HANDLE;
return 0; /* Decoder created by user */
}
vdctx->device = hwctx->device;
vdctx->get_proc_address = hwctx->get_proc_address;
if (hwctx->flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
level = 0;
if (!(hwctx->flags & AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH) &&
type != VDP_CHROMA_TYPE_420)
return AVERROR(ENOSYS);
} else {
AVHWFramesContext *frames_ctx;
AVVDPAUDeviceContext *dev_ctx;
ret = ff_decode_get_hw_frames_ctx(avctx, AV_HWDEVICE_TYPE_VDPAU);
if (ret < 0)
return ret;
frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
dev_ctx = frames_ctx->device_ctx->hwctx;
vdctx->device = dev_ctx->device;
vdctx->get_proc_address = dev_ctx->get_proc_address;
if (avctx->hwaccel_flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
level = 0;
}
if (level < 0)
return AVERROR(ENOTSUP);
status = vdctx->get_proc_address(vdctx->device,
VDP_FUNC_ID_GET_INFORMATION_STRING,
&func);
if (status != VDP_STATUS_OK)
return vdpau_error(status);
else
info = func;
status = info(&info_string);
if (status != VDP_STATUS_OK)
return vdpau_error(status);
if (avctx->codec_id == AV_CODEC_ID_HEVC && strncmp(info_string, "NVIDIA ", 7) == 0 &&
!(avctx->hwaccel_flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH)) {
int driver_version = 0;
sscanf(info_string, "NVIDIA VDPAU Driver Shared Library %d", &driver_version);
if (driver_version < 410) {
av_log(avctx, AV_LOG_VERBOSE, "HEVC with NVIDIA VDPAU drivers is buggy, skipping.\n");
return AVERROR(ENOTSUP);
}
}
status = vdctx->get_proc_address(vdctx->device,
VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
&func);
if (status != VDP_STATUS_OK)
return vdpau_error(status);
else
surface_query_caps = func;
status = surface_query_caps(vdctx->device, type, &supported,
&max_width, &max_height);
if (status != VDP_STATUS_OK)
return vdpau_error(status);
if (supported != VDP_TRUE ||
max_width < width || max_height < height)
return AVERROR(ENOTSUP);
status = vdctx->get_proc_address(vdctx->device,
VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
&func);
if (status != VDP_STATUS_OK)
return vdpau_error(status);
else
decoder_query_caps = func;
status = decoder_query_caps(vdctx->device, profile, &supported, &max_level,
&max_mb, &max_width, &max_height);
#ifdef VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE
if ((status != VDP_STATUS_OK || supported != VDP_TRUE) && profile == VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE) {
profile = VDP_DECODER_PROFILE_H264_MAIN;
status = decoder_query_caps(vdctx->device, profile, &supported,
&max_level, &max_mb,
&max_width, &max_height);
}
#endif
if (status != VDP_STATUS_OK)
return vdpau_error(status);
if (supported != VDP_TRUE || max_level < level ||
max_width < width || max_height < height)
return AVERROR(ENOTSUP);
status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
&func);
if (status != VDP_STATUS_OK)
return vdpau_error(status);
else
create = func;
status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
&func);
if (status != VDP_STATUS_OK)
return vdpau_error(status);
else
vdctx->render = func;
status = create(vdctx->device, profile, width, height, avctx->refs,
&vdctx->decoder);
if (status == VDP_STATUS_OK) {
vdctx->width = avctx->coded_width;
vdctx->height = avctx->coded_height;
}
return vdpau_error(status);
}
