lavfi: Use ff_get_video_buffer in all filters using hwframes

libavfilter/vf_deinterlace_qsv.c

@@ -433,13 +433,11 @@ static int process_frame(AVFilterContext *ctx, const AVFrame *in,
     mfxStatus err;
     int ret, again = 0;
 
-    out = av_frame_alloc();
-    if (!out)
-        return AVERROR(ENOMEM);
-
-    ret = av_hwframe_get_buffer(s->hw_frames_ctx, out, 0);
-    if (ret < 0)
+    out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+    if (!out) {
+        ret = AVERROR(ENOMEM);
         goto fail;
+    }
 
     surf_out = (mfxFrameSurface1*)out->data[3];
     surf_out->Info.CropW     = outlink->w;

libavfilter/vf_hwupload.c

@@ -161,15 +161,10 @@ static int hwupload_filter_frame(AVFilterLink *link, AVFrame *input)
     if (input->format == outlink->format)
         return ff_filter_frame(outlink, input);
 
-    output = av_frame_alloc();
+    output = ff_get_video_buffer(outlink, outlink->w, outlink->h);
     if (!output) {
-        err = AVERROR(ENOMEM);
-        goto fail;
-    }
-
-    err = av_hwframe_get_buffer(ctx->hwframes_ref, output, 0);
-    if (err < 0) {
         av_log(ctx, AV_LOG_ERROR, "Failed to allocate frame to upload to.\n");
+        err = AVERROR(ENOMEM);
         goto fail;
     }
 

libavfilter/vf_hwupload_cuda.c

@@ -156,16 +156,12 @@ static int cudaupload_filter_frame(AVFilterLink *link, AVFrame *in)
     AVFrame *out = NULL;
     int ret;
 
-    out = av_frame_alloc();
+    out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
     if (!out) {
         ret = AVERROR(ENOMEM);
         goto fail;
     }
 
-    ret = av_hwframe_get_buffer(s->hwframe, out, 0);
-    if (ret < 0)
-        goto fail;
-
     out->width  = in->width;
     out->height = in->height;
 

libavfilter/vf_scale_qsv.c

@@ -528,16 +528,12 @@ static int qsvscale_filter_frame(AVFilterLink *link, AVFrame *in)
     AVFrame *out = NULL;
     int ret = 0;
 
-    out = av_frame_alloc();
+    out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
     if (!out) {
         ret = AVERROR(ENOMEM);
         goto fail;
     }
 
-    ret = av_hwframe_get_buffer(s->out_frames_ref, out, 0);
-    if (ret < 0)
-        goto fail;
-
     do {
         err = MFXVideoVPP_RunFrameVPPAsync(s->session,
                                            (mfxFrameSurface1*)in->data[3],

libavfilter/vf_scale_vaapi.c

@@ -31,6 +31,7 @@
 #include "avfilter.h"
 #include "formats.h"
 #include "internal.h"
+#include "video.h"
 
 typedef struct ScaleVAAPIContext {
     const AVClass *class;
@@ -274,19 +275,13 @@ static int scale_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
     av_log(ctx, AV_LOG_DEBUG, "Using surface %#x for scale input.\n",
            input_surface);
 
-    output_frame = av_frame_alloc();
+    output_frame = ff_get_video_buffer(outlink, ctx->output_width,
+                                       ctx->output_height);
     if (!output_frame) {
-        av_log(ctx, AV_LOG_ERROR, "Failed to allocate output frame.");
         err = AVERROR(ENOMEM);
         goto fail;
     }
 
-    err = av_hwframe_get_buffer(ctx->output_frames_ref, output_frame, 0);
-    if (err < 0) {
-        av_log(ctx, AV_LOG_ERROR, "Failed to get surface for "
-               "output: %d\n.", err);
-    }
-
     output_surface = (VASurfaceID)(uintptr_t)output_frame->data[3];
     av_log(ctx, AV_LOG_DEBUG, "Using surface %#x for scale output.\n",
            output_surface);