From 5fc29e459f0691e843ff0f26eef790c8cfa73afc Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Tue, 4 Nov 2014 23:52:29 +0100
Subject: video: add image format test program

---
 video/img_format.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

(limited to 'video/img_format.c')

diff --git a/video/img_format.c b/video/img_format.c
index 3745378527..b1d78feba1 100644
--- a/video/img_format.c
+++ b/video/img_format.c
@@ -260,3 +260,66 @@ int mp_imgfmt_find_yuv_planar(int xs, int ys, int planes, int component_bits)
     }
     return 0;
 }
+
+#if 0
+
+#include <libavutil/frame.h>
+#include "sws_utils.h"
+
+int main(int argc, char **argv)
+{
+    const AVPixFmtDescriptor *avd = av_pix_fmt_desc_next(NULL);
+    for (; avd; avd = av_pix_fmt_desc_next(avd)) {
+        enum AVPixelFormat fmt = av_pix_fmt_desc_get_id(avd);
+        if (fmt == AV_PIX_FMT_YUVJ420P || fmt == AV_PIX_FMT_YUVJ422P ||
+            fmt == AV_PIX_FMT_YUVJ444P || fmt == AV_PIX_FMT_YUVJ440P)
+            continue;
+        printf("%s (%d)", avd->name, (int)fmt);
+        int mpfmt = pixfmt2imgfmt(fmt);
+        bool generic = mpfmt >= IMGFMT_AVPIXFMT_START &&
+                       mpfmt < IMGFMT_AVPIXFMT_END;
+        printf(" mp=%d%s\n  ", mpfmt, generic ? " [GENERIC]" : "");
+        struct mp_imgfmt_desc d = mp_imgfmt_get_desc(mpfmt);
+        if (d.id)
+            assert(d.avformat == fmt);
+#define FLAG(t, c) if (d.flags & (t)) printf("[%s]", c);
+        FLAG(MP_IMGFLAG_BYTE_ALIGNED, "BA")
+        FLAG(MP_IMGFLAG_ALPHA, "a")
+        FLAG(MP_IMGFLAG_PLANAR, "P")
+        FLAG(MP_IMGFLAG_YUV_P, "YUVP")
+        FLAG(MP_IMGFLAG_YUV, "yuv")
+        FLAG(MP_IMGFLAG_RGB, "rgb")
+        FLAG(MP_IMGFLAG_XYZ, "xyz")
+        FLAG(MP_IMGFLAG_LE, "le")
+        FLAG(MP_IMGFLAG_BE, "be")
+        FLAG(MP_IMGFLAG_PAL, "pal")
+        FLAG(MP_IMGFLAG_HWACCEL, "hw")
+        printf("\n");
+        printf("  planes=%d, chroma=%d:%d align=%d:%d bits=%d\n", d.num_planes,
+               d.chroma_xs, d.chroma_ys, d.align_x, d.align_y, d.plane_bits);
+        printf("  {");
+        for (int n = 0; n < MP_MAX_PLANES; n++)
+            printf("%d/%d/[%d:%d] ", d.bytes[n], d.bpp[n], d.xs[n], d.ys[n]);
+        printf("}\n");
+        if (mpfmt && !(d.flags & MP_IMGFLAG_HWACCEL) && fmt != AV_PIX_FMT_UYYVYY411)
+        {
+            AVFrame *fr = av_frame_alloc();
+            fr->format = fmt;
+            fr->width = 128;
+            fr->height = 128;
+            int err = av_frame_get_buffer(fr, SWS_MIN_BYTE_ALIGN);
+            assert(err >= 0);
+            struct mp_image *mpi = mp_image_alloc(mpfmt, fr->width, fr->height);
+            assert(mpi);
+            // A rather fuzzy test, which might fail even if there's no bug.
+            for (int n = 0; n < 4; n++) {
+                assert(!!mpi->planes[n] == !!fr->data[n]);
+                assert(mpi->stride[n] == fr->linesize[n]);
+            }
+            talloc_free(mpi);
+            av_frame_free(&fr);
+        }
+    }
+}
+
+#endif
-- 
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