Merge commit '52ed83fa1a7f5170447eff6fad0b6c57119596e9'

* commit '52ed83fa1a7f5170447eff6fad0b6c57119596e9':
  lavc/qsvdec: expose frame pic_type and key_frame

Merged-by: James Almer <jamrial@gmail.com>

libavcodec/qsv.c

@@ -195,6 +195,30 @@ int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame)
     return AVERROR_BUG;
 }
 
+enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type)
+{
+    enum AVPictureType type;
+    switch (mfx_pic_type & 0x7) {
+    case MFX_FRAMETYPE_I:
+        if (mfx_pic_type & MFX_FRAMETYPE_S)
+            type = AV_PICTURE_TYPE_SI;
+        else
+            type = AV_PICTURE_TYPE_I;
+        break;
+    case MFX_FRAMETYPE_B:
+        type = AV_PICTURE_TYPE_B;
+        break;
+    case MFX_FRAMETYPE_P:
+        if (mfx_pic_type & MFX_FRAMETYPE_S)
+            type = AV_PICTURE_TYPE_SP;
+        else
+            type = AV_PICTURE_TYPE_P;
+        break;
+    }
+
+    return type;
+}
+
 static int qsv_load_plugins(mfxSession session, const char *load_plugins,
                             void *logctx)
 {

libavcodec/qsv_internal.h

@@ -51,6 +51,8 @@ typedef struct QSVFrame {
     AVFrame *frame;
     mfxFrameSurface1 surface;
     mfxEncodeCtrl enc_ctrl;
+    mfxExtDecodedFrameInfo dec_info;
+    mfxExtBuffer *ext_param;
 
     int queued;
     int used;
@@ -86,6 +88,7 @@ int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id);
 int ff_qsv_profile_to_mfx(enum AVCodecID codec_id, int profile);
 
 int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc);
+enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type);
 
 int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
                                  const char *load_plugins);

libavcodec/qsvdec.c

@@ -232,6 +232,11 @@ static int alloc_frame(AVCodecContext *avctx, QSVContext *q, QSVFrame *frame)
 
         frame->surface.Data.MemId = &q->frames_ctx.mids[ret];
     }
+    frame->surface.Data.ExtParam    = &frame->ext_param;
+    frame->surface.Data.NumExtParam = 1;
+    frame->ext_param                = (mfxExtBuffer*)&frame->dec_info;
+    frame->dec_info.Header.BufferId = MFX_EXTBUFF_DECODED_FRAME_INFO;
+    frame->dec_info.Header.BufferSz = sizeof(frame->dec_info);
 
     frame->used = 1;
 
@@ -416,6 +421,10 @@ FF_ENABLE_DEPRECATION_WARNINGS
             outsurf->Info.PicStruct & MFX_PICSTRUCT_FIELD_TFF;
         frame->interlaced_frame =
             !(outsurf->Info.PicStruct & MFX_PICSTRUCT_PROGRESSIVE);
+        frame->pict_type = ff_qsv_map_pictype(out_frame->dec_info.FrameType);
+        //Key frame is IDR frame is only suitable for H264. For HEVC, IRAPs are key frames.
+        if (avctx->codec_id == AV_CODEC_ID_H264)
+            frame->key_frame = !!(out_frame->dec_info.FrameType & MFX_FRAMETYPE_IDR);
 
         /* update the surface properties */
         if (avctx->pix_fmt == AV_PIX_FMT_QSV)