#include <string.h>
#include "libavutil/avstring.h"
+#include "libavutil/common.h"
#include "libavutil/error.h"
+#include "libavutil/hwcontext.h"
+#include "libavutil/hwcontext_qsv.h"
+#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "qsv_internal.h"
+#if QSV_VERSION_ATLEAST(1, 12)
+#include "mfx/mfxvp8.h"
+#endif
+
int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
{
switch (codec_id) {
return MFX_CODEC_MPEG2;
case AV_CODEC_ID_VC1:
return MFX_CODEC_VC1;
+#if QSV_VERSION_ATLEAST(1, 12)
+ case AV_CODEC_ID_VP8:
+ return MFX_CODEC_VP8;
+#endif
default:
break;
}
return AVERROR(ENOSYS);
}
-int ff_qsv_error(int mfx_err)
+int ff_qsv_profile_to_mfx(enum AVCodecID codec_id, int profile)
{
- switch (mfx_err) {
- case MFX_ERR_NONE:
- return 0;
- case MFX_ERR_MEMORY_ALLOC:
- case MFX_ERR_NOT_ENOUGH_BUFFER:
- return AVERROR(ENOMEM);
- case MFX_ERR_INVALID_HANDLE:
- return AVERROR(EINVAL);
- case MFX_ERR_DEVICE_FAILED:
- case MFX_ERR_DEVICE_LOST:
- case MFX_ERR_LOCK_MEMORY:
- return AVERROR(EIO);
- case MFX_ERR_NULL_PTR:
- case MFX_ERR_UNDEFINED_BEHAVIOR:
- case MFX_ERR_NOT_INITIALIZED:
- return AVERROR_BUG;
- case MFX_ERR_UNSUPPORTED:
- case MFX_ERR_NOT_FOUND:
- return AVERROR(ENOSYS);
- case MFX_ERR_MORE_DATA:
- case MFX_ERR_MORE_SURFACE:
- case MFX_ERR_MORE_BITSTREAM:
- return AVERROR(EAGAIN);
- case MFX_ERR_INCOMPATIBLE_VIDEO_PARAM:
- case MFX_ERR_INVALID_VIDEO_PARAM:
- return AVERROR(EINVAL);
- case MFX_ERR_ABORTED:
- case MFX_ERR_UNKNOWN:
- default:
- return AVERROR_UNKNOWN;
+ if (profile == FF_PROFILE_UNKNOWN)
+ return MFX_PROFILE_UNKNOWN;
+ switch (codec_id) {
+ case AV_CODEC_ID_H264:
+ case AV_CODEC_ID_HEVC:
+ return profile;
+ case AV_CODEC_ID_VC1:
+ return 4 * profile + 1;
+ case AV_CODEC_ID_MPEG2VIDEO:
+ return 0x10 * profile;
}
+ return MFX_PROFILE_UNKNOWN;
}
-int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
- const char *load_plugins)
+static const struct {
+ mfxStatus mfxerr;
+ int averr;
+ const char *desc;
+} qsv_errors[] = {
+ { MFX_ERR_NONE, 0, "success" },
+ { MFX_ERR_UNKNOWN, AVERROR_UNKNOWN, "unknown error" },
+ { MFX_ERR_NULL_PTR, AVERROR(EINVAL), "NULL pointer" },
+ { MFX_ERR_UNSUPPORTED, AVERROR(ENOSYS), "unsupported" },
+ { MFX_ERR_MEMORY_ALLOC, AVERROR(ENOMEM), "failed to allocate memory" },
+ { MFX_ERR_NOT_ENOUGH_BUFFER, AVERROR(ENOMEM), "insufficient input/output buffer" },
+ { MFX_ERR_INVALID_HANDLE, AVERROR(EINVAL), "invalid handle" },
+ { MFX_ERR_LOCK_MEMORY, AVERROR(EIO), "failed to lock the memory block" },
+ { MFX_ERR_NOT_INITIALIZED, AVERROR_BUG, "not initialized" },
+ { MFX_ERR_NOT_FOUND, AVERROR(ENOSYS), "specified object was not found" },
+ /* the following 3 errors should always be handled explicitly, so those "mappings"
+ * are for completeness only */
+ { MFX_ERR_MORE_DATA, AVERROR_UNKNOWN, "expect more data at input" },
+ { MFX_ERR_MORE_SURFACE, AVERROR_UNKNOWN, "expect more surface at output" },
+ { MFX_ERR_MORE_BITSTREAM, AVERROR_UNKNOWN, "expect more bitstream at output" },
+ { MFX_ERR_ABORTED, AVERROR_UNKNOWN, "operation aborted" },
+ { MFX_ERR_DEVICE_LOST, AVERROR(EIO), "device lost" },
+ { MFX_ERR_INCOMPATIBLE_VIDEO_PARAM, AVERROR(EINVAL), "incompatible video parameters" },
+ { MFX_ERR_INVALID_VIDEO_PARAM, AVERROR(EINVAL), "invalid video parameters" },
+ { MFX_ERR_UNDEFINED_BEHAVIOR, AVERROR_BUG, "undefined behavior" },
+ { MFX_ERR_DEVICE_FAILED, AVERROR(EIO), "device failed" },
+ { MFX_ERR_INCOMPATIBLE_AUDIO_PARAM, AVERROR(EINVAL), "incompatible audio parameters" },
+ { MFX_ERR_INVALID_AUDIO_PARAM, AVERROR(EINVAL), "invalid audio parameters" },
+
+ { MFX_WRN_IN_EXECUTION, 0, "operation in execution" },
+ { MFX_WRN_DEVICE_BUSY, 0, "device busy" },
+ { MFX_WRN_VIDEO_PARAM_CHANGED, 0, "video parameters changed" },
+ { MFX_WRN_PARTIAL_ACCELERATION, 0, "partial acceleration" },
+ { MFX_WRN_INCOMPATIBLE_VIDEO_PARAM, 0, "incompatible video parameters" },
+ { MFX_WRN_VALUE_NOT_CHANGED, 0, "value is saturated" },
+ { MFX_WRN_OUT_OF_RANGE, 0, "value out of range" },
+ { MFX_WRN_FILTER_SKIPPED, 0, "filter skipped" },
+ { MFX_WRN_INCOMPATIBLE_AUDIO_PARAM, 0, "incompatible audio parameters" },
+};
+
+int ff_qsv_map_error(mfxStatus mfx_err, const char **desc)
{
- mfxIMPL impl = MFX_IMPL_AUTO_ANY;
- mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
+ int i;
+ for (i = 0; i < FF_ARRAY_ELEMS(qsv_errors); i++) {
+ if (qsv_errors[i].mfxerr == mfx_err) {
+ if (desc)
+ *desc = qsv_errors[i].desc;
+ return qsv_errors[i].averr;
+ }
+ }
+ if (desc)
+ *desc = "unknown error";
+ return AVERROR_UNKNOWN;
+}
+
+int ff_qsv_print_error(void *log_ctx, mfxStatus err,
+ const char *error_string)
+{
+ const char *desc;
+ int ret;
+ ret = ff_qsv_map_error(err, &desc);
+ av_log(log_ctx, AV_LOG_ERROR, "%s: %s (%d)\n", error_string, desc, err);
+ return ret;
+}
+int ff_qsv_print_warning(void *log_ctx, mfxStatus err,
+ const char *warning_string)
+{
const char *desc;
int ret;
+ ret = ff_qsv_map_error(err, &desc);
+ av_log(log_ctx, AV_LOG_WARNING, "%s: %s (%d)\n", warning_string, desc, err);
+ return ret;
+}
- ret = MFXInit(impl, &ver, session);
- if (ret < 0) {
- av_log(avctx, AV_LOG_ERROR, "Error initializing an internal MFX session\n");
- return ff_qsv_error(ret);
+static enum AVPixelFormat qsv_map_fourcc(uint32_t fourcc)
+{
+ switch (fourcc) {
+ case MFX_FOURCC_NV12: return AV_PIX_FMT_NV12;
+ case MFX_FOURCC_P010: return AV_PIX_FMT_P010;
+ case MFX_FOURCC_P8: return AV_PIX_FMT_PAL8;
}
+ return AV_PIX_FMT_NONE;
+}
- if (load_plugins && *load_plugins) {
- while (*load_plugins) {
- mfxPluginUID uid;
- int i, err = 0;
+int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc)
+{
+ switch (format) {
+ case AV_PIX_FMT_YUV420P:
+ case AV_PIX_FMT_YUVJ420P:
+ case AV_PIX_FMT_NV12:
+ *fourcc = MFX_FOURCC_NV12;
+ return AV_PIX_FMT_NV12;
+ case AV_PIX_FMT_YUV420P10:
+ case AV_PIX_FMT_P010:
+ *fourcc = MFX_FOURCC_P010;
+ return AV_PIX_FMT_P010;
+ default:
+ return AVERROR(ENOSYS);
+ }
+}
- char *plugin = av_get_token(&load_plugins, ":");
- if (!plugin)
- return AVERROR(ENOMEM);
- if (strlen(plugin) != 2 * sizeof(uid.Data)) {
- av_log(avctx, AV_LOG_ERROR, "Invalid plugin UID length\n");
- err = AVERROR(EINVAL);
- goto load_plugin_fail;
- }
+int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame)
+{
+ int i;
+ for (i = 0; i < ctx->nb_mids; i++) {
+ QSVMid *mid = &ctx->mids[i];
+ if (mid->handle == frame->surface.Data.MemId)
+ return i;
+ }
+ return AVERROR_BUG;
+}
+
+static int qsv_load_plugins(mfxSession session, const char *load_plugins,
+ void *logctx)
+{
+ if (!load_plugins || !*load_plugins)
+ return 0;
- for (i = 0; i < sizeof(uid.Data); i++) {
- err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i);
- if (err != 1) {
- av_log(avctx, AV_LOG_ERROR, "Invalid plugin UID\n");
- err = AVERROR(EINVAL);
- goto load_plugin_fail;
- }
+ while (*load_plugins) {
+ mfxPluginUID uid;
+ mfxStatus ret;
+ int i, err = 0;
- }
+ char *plugin = av_get_token(&load_plugins, ":");
+ if (!plugin)
+ return AVERROR(ENOMEM);
+ if (strlen(plugin) != 2 * sizeof(uid.Data)) {
+ av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID length\n");
+ err = AVERROR(EINVAL);
+ goto load_plugin_fail;
+ }
- ret = MFXVideoUSER_Load(*session, &uid, 1);
- if (ret < 0) {
- av_log(avctx, AV_LOG_ERROR, "Could not load the requested plugin: %s\n",
- plugin);
- err = ff_qsv_error(ret);
+ for (i = 0; i < sizeof(uid.Data); i++) {
+ err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i);
+ if (err != 1) {
+ av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID\n");
+ err = AVERROR(EINVAL);
goto load_plugin_fail;
}
-load_plugin_fail:
- av_freep(&plugin);
- if (err < 0)
- return err;
}
+
+ ret = MFXVideoUSER_Load(session, &uid, 1);
+ if (ret < 0) {
+ char errorbuf[128];
+ snprintf(errorbuf, sizeof(errorbuf),
+ "Could not load the requested plugin '%s'", plugin);
+ err = ff_qsv_print_error(logctx, ret, errorbuf);
+ goto load_plugin_fail;
+ }
+
+ if (*load_plugins)
+ load_plugins++;
+load_plugin_fail:
+ av_freep(&plugin);
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+
+}
+
+int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
+ const char *load_plugins)
+{
+ mfxIMPL impl = MFX_IMPL_AUTO_ANY;
+ mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
+
+ const char *desc;
+ int ret;
+
+ ret = MFXInit(impl, &ver, session);
+ if (ret < 0)
+ return ff_qsv_print_error(avctx, ret,
+ "Error initializing an internal MFX session");
+
+ ret = qsv_load_plugins(*session, load_plugins, avctx);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
+ return ret;
}
MFXQueryIMPL(*session, &impl);
return 0;
}
+
+static void mids_buf_free(void *opaque, uint8_t *data)
+{
+ AVBufferRef *hw_frames_ref = opaque;
+ av_buffer_unref(&hw_frames_ref);
+ av_freep(&data);
+}
+
+static AVBufferRef *qsv_create_mids(AVBufferRef *hw_frames_ref)
+{
+ AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
+ AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
+ int nb_surfaces = frames_hwctx->nb_surfaces;
+
+ AVBufferRef *mids_buf, *hw_frames_ref1;
+ QSVMid *mids;
+ int i;
+
+ hw_frames_ref1 = av_buffer_ref(hw_frames_ref);
+ if (!hw_frames_ref1)
+ return NULL;
+
+ mids = av_mallocz_array(nb_surfaces, sizeof(*mids));
+ if (!mids) {
+ av_buffer_unref(&hw_frames_ref1);
+ return NULL;
+ }
+
+ mids_buf = av_buffer_create((uint8_t*)mids, nb_surfaces * sizeof(*mids),
+ mids_buf_free, hw_frames_ref1, 0);
+ if (!mids_buf) {
+ av_buffer_unref(&hw_frames_ref1);
+ av_freep(&mids);
+ return NULL;
+ }
+
+ for (i = 0; i < nb_surfaces; i++) {
+ QSVMid *mid = &mids[i];
+ mid->handle = frames_hwctx->surfaces[i].Data.MemId;
+ mid->hw_frames_ref = hw_frames_ref1;
+ }
+
+ return mids_buf;
+}
+
+static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_ref,
+ AVBufferRef *mids_buf)
+{
+ AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data;
+ AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
+ QSVMid *mids = (QSVMid*)mids_buf->data;
+ int nb_surfaces = frames_hwctx->nb_surfaces;
+ int i;
+
+ // the allocated size of the array is two larger than the number of
+ // surfaces, we store the references to the frames context and the
+ // QSVMid array there
+ resp->mids = av_mallocz_array(nb_surfaces + 2, sizeof(*resp->mids));
+ if (!resp->mids)
+ return AVERROR(ENOMEM);
+
+ for (i = 0; i < nb_surfaces; i++)
+ resp->mids[i] = &mids[i];
+ resp->NumFrameActual = nb_surfaces;
+
+ resp->mids[resp->NumFrameActual] = (mfxMemId)av_buffer_ref(hw_frames_ref);
+ if (!resp->mids[resp->NumFrameActual]) {
+ av_freep(&resp->mids);
+ return AVERROR(ENOMEM);
+ }
+
+ resp->mids[resp->NumFrameActual + 1] = av_buffer_ref(mids_buf);
+ if (!resp->mids[resp->NumFrameActual + 1]) {
+ av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
+ av_freep(&resp->mids);
+ return AVERROR(ENOMEM);
+ }
+
+ return 0;
+}
+
+static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
+ mfxFrameAllocResponse *resp)
+{
+ QSVFramesContext *ctx = pthis;
+ int ret;
+
+ /* this should only be called from an encoder or decoder and
+ * only allocates video memory frames */
+ if (!(req->Type & (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET |
+ MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET)) ||
+ !(req->Type & (MFX_MEMTYPE_FROM_DECODE | MFX_MEMTYPE_FROM_ENCODE)))
+ return MFX_ERR_UNSUPPORTED;
+
+ if (req->Type & MFX_MEMTYPE_EXTERNAL_FRAME) {
+ /* external frames -- fill from the caller-supplied frames context */
+ AVHWFramesContext *frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
+ AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
+ mfxFrameInfo *i = &req->Info;
+ mfxFrameInfo *i1 = &frames_hwctx->surfaces[0].Info;
+
+ if (i->Width != i1->Width || i->Height != i1->Height ||
+ i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) {
+ av_log(ctx->logctx, AV_LOG_ERROR, "Mismatching surface properties in an "
+ "allocation request: %dx%d %d %d vs %dx%d %d %d\n",
+ i->Width, i->Height, i->FourCC, i->ChromaFormat,
+ i1->Width, i1->Height, i1->FourCC, i1->ChromaFormat);
+ return MFX_ERR_UNSUPPORTED;
+ }
+
+ ret = qsv_setup_mids(resp, ctx->hw_frames_ctx, ctx->mids_buf);
+ if (ret < 0) {
+ av_log(ctx->logctx, AV_LOG_ERROR,
+ "Error filling an external frame allocation request\n");
+ return MFX_ERR_MEMORY_ALLOC;
+ }
+ } else if (req->Type & MFX_MEMTYPE_INTERNAL_FRAME) {
+ /* internal frames -- allocate a new hw frames context */
+ AVHWFramesContext *ext_frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data;
+ mfxFrameInfo *i = &req->Info;
+
+ AVBufferRef *frames_ref, *mids_buf;
+ AVHWFramesContext *frames_ctx;
+ AVQSVFramesContext *frames_hwctx;
+
+ frames_ref = av_hwframe_ctx_alloc(ext_frames_ctx->device_ref);
+ if (!frames_ref)
+ return MFX_ERR_MEMORY_ALLOC;
+
+ frames_ctx = (AVHWFramesContext*)frames_ref->data;
+ frames_hwctx = frames_ctx->hwctx;
+
+ frames_ctx->format = AV_PIX_FMT_QSV;
+ frames_ctx->sw_format = qsv_map_fourcc(i->FourCC);
+ frames_ctx->width = i->Width;
+ frames_ctx->height = i->Height;
+ frames_ctx->initial_pool_size = req->NumFrameSuggested;
+
+ frames_hwctx->frame_type = req->Type;
+
+ ret = av_hwframe_ctx_init(frames_ref);
+ if (ret < 0) {
+ av_log(ctx->logctx, AV_LOG_ERROR,
+ "Error initializing a frames context for an internal frame "
+ "allocation request\n");
+ av_buffer_unref(&frames_ref);
+ return MFX_ERR_MEMORY_ALLOC;
+ }
+
+ mids_buf = qsv_create_mids(frames_ref);
+ if (!mids_buf) {
+ av_buffer_unref(&frames_ref);
+ return MFX_ERR_MEMORY_ALLOC;
+ }
+
+ ret = qsv_setup_mids(resp, frames_ref, mids_buf);
+ av_buffer_unref(&mids_buf);
+ av_buffer_unref(&frames_ref);
+ if (ret < 0) {
+ av_log(ctx->logctx, AV_LOG_ERROR,
+ "Error filling an internal frame allocation request\n");
+ return MFX_ERR_MEMORY_ALLOC;
+ }
+ } else {
+ return MFX_ERR_UNSUPPORTED;
+ }
+
+ return MFX_ERR_NONE;
+}
+
+static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
+{
+ av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]);
+ av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual + 1]);
+ av_freep(&resp->mids);
+ return MFX_ERR_NONE;
+}
+
+static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
+{
+ QSVMid *qsv_mid = mid;
+ AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)qsv_mid->hw_frames_ref->data;
+ AVQSVFramesContext *hw_frames_hwctx = hw_frames_ctx->hwctx;
+ int ret;
+
+ if (qsv_mid->locked_frame)
+ return MFX_ERR_UNDEFINED_BEHAVIOR;
+
+ /* Allocate a system memory frame that will hold the mapped data. */
+ qsv_mid->locked_frame = av_frame_alloc();
+ if (!qsv_mid->locked_frame)
+ return MFX_ERR_MEMORY_ALLOC;
+ qsv_mid->locked_frame->format = hw_frames_ctx->sw_format;
+
+ /* wrap the provided handle in a hwaccel AVFrame */
+ qsv_mid->hw_frame = av_frame_alloc();
+ if (!qsv_mid->hw_frame)
+ goto fail;
+
+ qsv_mid->hw_frame->data[3] = (uint8_t*)&qsv_mid->surf;
+ qsv_mid->hw_frame->format = AV_PIX_FMT_QSV;
+
+ // doesn't really matter what buffer is used here
+ qsv_mid->hw_frame->buf[0] = av_buffer_alloc(1);
+ if (!qsv_mid->hw_frame->buf[0])
+ goto fail;
+
+ qsv_mid->hw_frame->width = hw_frames_ctx->width;
+ qsv_mid->hw_frame->height = hw_frames_ctx->height;
+
+ qsv_mid->hw_frame->hw_frames_ctx = av_buffer_ref(qsv_mid->hw_frames_ref);
+ if (!qsv_mid->hw_frame->hw_frames_ctx)
+ goto fail;
+
+ qsv_mid->surf.Info = hw_frames_hwctx->surfaces[0].Info;
+ qsv_mid->surf.Data.MemId = qsv_mid->handle;
+
+ /* map the data to the system memory */
+ ret = av_hwframe_map(qsv_mid->locked_frame, qsv_mid->hw_frame,
+ AV_HWFRAME_MAP_DIRECT);
+ if (ret < 0)
+ goto fail;
+
+ ptr->Pitch = qsv_mid->locked_frame->linesize[0];
+ ptr->Y = qsv_mid->locked_frame->data[0];
+ ptr->U = qsv_mid->locked_frame->data[1];
+ ptr->V = qsv_mid->locked_frame->data[1] + 1;
+
+ return MFX_ERR_NONE;
+fail:
+ av_frame_free(&qsv_mid->hw_frame);
+ av_frame_free(&qsv_mid->locked_frame);
+ return MFX_ERR_MEMORY_ALLOC;
+}
+
+static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
+{
+ QSVMid *qsv_mid = mid;
+
+ av_frame_free(&qsv_mid->locked_frame);
+ av_frame_free(&qsv_mid->hw_frame);
+
+ return MFX_ERR_NONE;
+}
+
+static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
+{
+ QSVMid *qsv_mid = (QSVMid*)mid;
+ *hdl = qsv_mid->handle;
+ return MFX_ERR_NONE;
+}
+
+int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession,
+ AVBufferRef *device_ref, const char *load_plugins)
+{
+ static const mfxHandleType handle_types[] = {
+ MFX_HANDLE_VA_DISPLAY,
+ MFX_HANDLE_D3D9_DEVICE_MANAGER,
+ MFX_HANDLE_D3D11_DEVICE,
+ };
+ AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)device_ref->data;
+ AVQSVDeviceContext *device_hwctx = device_ctx->hwctx;
+ mfxSession parent_session = device_hwctx->session;
+
+ mfxSession session;
+ mfxVersion ver;
+ mfxIMPL impl;
+ mfxHDL handle = NULL;
+ mfxHandleType handle_type;
+ mfxStatus err;
+
+ int i, ret;
+
+ err = MFXQueryIMPL(parent_session, &impl);
+ if (err == MFX_ERR_NONE)
+ err = MFXQueryVersion(parent_session, &ver);
+ if (err != MFX_ERR_NONE)
+ return ff_qsv_print_error(avctx, err,
+ "Error querying the session attributes");
+
+ for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
+ err = MFXVideoCORE_GetHandle(parent_session, handle_types[i], &handle);
+ if (err == MFX_ERR_NONE) {
+ handle_type = handle_types[i];
+ break;
+ }
+ handle = NULL;
+ }
+ if (!handle) {
+ av_log(avctx, AV_LOG_VERBOSE, "No supported hw handle could be retrieved "
+ "from the session\n");
+ }
+
+ err = MFXInit(impl, &ver, &session);
+ if (err != MFX_ERR_NONE)
+ return ff_qsv_print_error(avctx, err,
+ "Error initializing a child MFX session");
+
+ if (handle) {
+ err = MFXVideoCORE_SetHandle(session, handle_type, handle);
+ if (err != MFX_ERR_NONE)
+ return ff_qsv_print_error(avctx, err,
+ "Error setting a HW handle");
+ }
+
+ ret = qsv_load_plugins(session, load_plugins, avctx);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
+ return ret;
+ }
+
+ *psession = session;
+ return 0;
+}
+
+int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession,
+ QSVFramesContext *qsv_frames_ctx,
+ const char *load_plugins, int opaque)
+{
+ mfxFrameAllocator frame_allocator = {
+ .pthis = qsv_frames_ctx,
+ .Alloc = qsv_frame_alloc,
+ .Lock = qsv_frame_lock,
+ .Unlock = qsv_frame_unlock,
+ .GetHDL = qsv_frame_get_hdl,
+ .Free = qsv_frame_free,
+ };
+
+ AVHWFramesContext *frames_ctx = (AVHWFramesContext*)qsv_frames_ctx->hw_frames_ctx->data;
+ AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
+
+ mfxSession session;
+ mfxStatus err;
+
+ int ret;
+
+ ret = ff_qsv_init_session_device(avctx, &session,
+ frames_ctx->device_ref, load_plugins);
+ if (ret < 0)
+ return ret;
+
+ if (!opaque) {
+ qsv_frames_ctx->logctx = avctx;
+
+ /* allocate the memory ids for the external frames */
+ av_buffer_unref(&qsv_frames_ctx->mids_buf);
+ qsv_frames_ctx->mids_buf = qsv_create_mids(qsv_frames_ctx->hw_frames_ctx);
+ if (!qsv_frames_ctx->mids_buf)
+ return AVERROR(ENOMEM);
+ qsv_frames_ctx->mids = (QSVMid*)qsv_frames_ctx->mids_buf->data;
+ qsv_frames_ctx->nb_mids = frames_hwctx->nb_surfaces;
+
+ err = MFXVideoCORE_SetFrameAllocator(session, &frame_allocator);
+ if (err != MFX_ERR_NONE)
+ return ff_qsv_print_error(avctx, err,
+ "Error setting a frame allocator");
+ }
+
+ *psession = session;
+ return 0;
+}
projects / ffmpeg / blobdiff