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-rw-r--r--test/img_format.c211
1 files changed, 211 insertions, 0 deletions
diff --git a/test/img_format.c b/test/img_format.c
new file mode 100644
index 0000000000..ff3af4c005
--- /dev/null
+++ b/test/img_format.c
@@ -0,0 +1,211 @@
+#include <libavutil/frame.h>
+#include <libavutil/pixdesc.h>
+
+#include "tests.h"
+#include "video/fmt-conversion.h"
+#include "video/img_format.h"
+#include "video/mp_image.h"
+#include "video/sws_utils.h"
+
+static int imgfmts[IMGFMT_AVPIXFMT_END - IMGFMT_AVPIXFMT_START + 100];
+static int num_imgfmts;
+static enum AVPixelFormat pixfmt_unsup[100];
+static int num_pixfmt_unsup;
+static bool imgfmts_initialized;
+
+static int cmp_imgfmt_name(const void *a, const void *b)
+{
+ char *name_a = mp_imgfmt_to_name(*(int *)a);
+ char *name_b = mp_imgfmt_to_name(*(int *)b);
+
+ return strcmp(name_a, name_b);
+}
+
+static void find_all_imgfmts(void)
+{
+ if (imgfmts_initialized)
+ return;
+
+ 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);
+ int mpfmt = pixfmt2imgfmt(fmt);
+ if (!mpfmt) {
+ assert(num_pixfmt_unsup < MP_ARRAY_SIZE(pixfmt_unsup));
+ pixfmt_unsup[num_pixfmt_unsup++] = fmt;
+ }
+ }
+
+ for (int fmt = IMGFMT_START; fmt <= IMGFMT_END; fmt++) {
+ struct mp_imgfmt_desc d = mp_imgfmt_get_desc(fmt);
+ enum AVPixelFormat pixfmt = imgfmt2pixfmt(fmt);
+ if (d.id || pixfmt != AV_PIX_FMT_NONE) {
+ assert(num_imgfmts < MP_ARRAY_SIZE(imgfmts)); // enlarge that array
+ imgfmts[num_imgfmts++] = fmt;
+ }
+ }
+
+ qsort(imgfmts, num_imgfmts, sizeof(imgfmts[0]), cmp_imgfmt_name);
+
+ imgfmts_initialized = true;
+}
+
+static const char *comp_type(enum mp_component_type type)
+{
+ switch (type) {
+ case MP_COMPONENT_TYPE_UINT: return "uint";
+ case MP_COMPONENT_TYPE_FLOAT: return "float";
+ default: return "unknown";
+ }
+}
+
+static void run(struct test_ctx *ctx)
+{
+ find_all_imgfmts();
+
+ FILE *f = test_open_out(ctx, "img_formats.txt");
+
+ for (int z = 0; z < num_imgfmts; z++) {
+ int mpfmt = imgfmts[z];
+ enum AVPixelFormat pixfmt = imgfmt2pixfmt(mpfmt);
+ const AVPixFmtDescriptor *avd = av_pix_fmt_desc_get(pixfmt);
+
+ fprintf(f, "%s: ", mp_imgfmt_to_name(mpfmt));
+ if (mpfmt >= IMGFMT_AVPIXFMT_START && mpfmt < IMGFMT_AVPIXFMT_END)
+ fprintf(f, "[GENERIC] ");
+
+ int fcsp = mp_imgfmt_get_forced_csp(mpfmt);
+ if (fcsp)
+ fprintf(f, "fcsp=%s ", m_opt_choice_str(mp_csp_names, fcsp));
+ fprintf(f, "ctype=%s\n", comp_type(mp_imgfmt_get_component_type(mpfmt)));
+
+ struct mp_imgfmt_desc d = mp_imgfmt_get_desc(mpfmt);
+ if (d.id) {
+ fprintf(f, " Legacy desc: ");
+ #define FLAG(t, c) if (d.flags & (t)) fprintf(f, "[%s]", c);
+ FLAG(MP_IMGFLAG_BYTE_ALIGNED, "ba")
+ FLAG(MP_IMGFLAG_ALPHA, "a")
+ FLAG(MP_IMGFLAG_YUV_P, "yuvp")
+ FLAG(MP_IMGFLAG_YUV_NV, "nv")
+ FLAG(MP_IMGFLAG_YUV, "yuv")
+ FLAG(MP_IMGFLAG_RGB, "rgb")
+ FLAG(MP_IMGFLAG_LE, "le")
+ FLAG(MP_IMGFLAG_BE, "be")
+ FLAG(MP_IMGFLAG_PAL, "pal")
+ FLAG(MP_IMGFLAG_HWACCEL, "hw")
+ fprintf(f, "\n");
+ fprintf(f, " planes=%d, chroma=%d:%d align=%d:%d bits=%d cbits=%d\n",
+ d.num_planes, d.chroma_xs, d.chroma_ys, d.align_x, d.align_y,
+ d.plane_bits, d.component_bits);
+ fprintf(f, " {");
+ for (int n = 0; n < MP_MAX_PLANES; n++) {
+ fprintf(f, "%d/%d/[%d:%d] ", d.bytes[n], d.bpp[n],
+ d.xs[n], d.ys[n]);
+ }
+ fprintf(f, "}\n");
+ } else {
+ fprintf(f, " [NODESC]\n");
+ }
+
+ if (!(d.flags & MP_IMGFLAG_HWACCEL) && pixfmt != AV_PIX_FMT_NONE) {
+ AVFrame *fr = av_frame_alloc();
+ fr->format = pixfmt;
+ fr->width = 128;
+ fr->height = 128;
+ int err = av_frame_get_buffer(fr, MP_IMAGE_BYTE_ALIGN);
+ assert(err >= 0);
+ struct mp_image *mpi = mp_image_alloc(mpfmt, fr->width, fr->height);
+ if (mpi) {
+ // A rather fuzzy test, which might fail even if there's no bug.
+ for (int n = 0; n < 4; n++) {
+ if (!!mpi->planes[n] != !!fr->data[n]) {
+ #ifdef AV_PIX_FMT_FLAG_PSEUDOPAL
+ if (n == 1 && (avd->flags & AV_PIX_FMT_FLAG_PSEUDOPAL))
+ continue;
+ #endif
+ fprintf(f, " Warning: p%d: %p %p\n", n,
+ mpi->planes[n], fr->data[n]);
+ }
+ if (mpi->stride[n] != fr->linesize[n]) {
+ fprintf(f, " Warning: p%d: %d %d\n", n,
+ mpi->stride[n], fr->linesize[n]);
+ }
+ }
+ } else {
+ fprintf(f, " [NOALLOC]\n");
+ }
+ talloc_free(mpi);
+ av_frame_free(&fr);
+ }
+
+ struct mp_regular_imgfmt reg;
+ if (mp_get_regular_imgfmt(&reg, mpfmt)) {
+ fprintf(f, " Regular: planes=%d compbytes=%d bitpad=%d "
+ "chroma=%dx%d ctype=%s\n",
+ reg.num_planes, reg.component_size, reg.component_pad,
+ reg.chroma_w, reg.chroma_h, comp_type(reg.component_type));
+ for (int n = 0; n < reg.num_planes; n++) {
+ struct mp_regular_imgfmt_plane *plane = &reg.planes[n];
+ fprintf(f, " %d: {", n);
+ for (int i = 0; i < plane->num_components; i++) {
+ if (i > 0)
+ fprintf(f, ", ");
+ fprintf(f, "%d", plane->components[i]);
+ }
+ fprintf(f, "}\n");
+ }
+ }
+
+ // This isn't ours, but changes likely affect us.
+ if (avd) {
+ fprintf(f, " AVD: name=%s chroma=%d:%d flags=0x%"PRIx64, avd->name,
+ avd->log2_chroma_w, avd->log2_chroma_h, avd->flags);
+ #define FLAGAV(t, c) if (avd->flags & (t)) \
+ {fprintf(f, "%s[%s]", pre, c); pre = ""; }
+ char *pre = " ";
+ FLAGAV(AV_PIX_FMT_FLAG_BE, "be")
+ FLAGAV(AV_PIX_FMT_FLAG_PAL, "pal")
+ FLAGAV(AV_PIX_FMT_FLAG_BITSTREAM, "bs")
+ FLAGAV(AV_PIX_FMT_FLAG_HWACCEL, "hw")
+ FLAGAV(AV_PIX_FMT_FLAG_PLANAR, "planar")
+ FLAGAV(AV_PIX_FMT_FLAG_RGB, "rgb")
+ FLAGAV(AV_PIX_FMT_FLAG_ALPHA, "alpha")
+ FLAGAV(AV_PIX_FMT_FLAG_BAYER, "bayer")
+ FLAGAV(AV_PIX_FMT_FLAG_FLOAT, "float")
+ fprintf(f, "\n");
+ for (int n = 0; n < avd->nb_components; n++) {
+ const AVComponentDescriptor *cd = &avd->comp[n];
+ fprintf(f, " %d: p=%-2d st=%-2d o=%-2d sh=%-2d d=%d\n",
+ n, cd->plane, cd->step, cd->offset, cd->shift, cd->depth);
+ }
+ for (int n = avd->nb_components; n < 4; n++) {
+ const AVComponentDescriptor *cd = &avd->comp[n];
+ assert(!cd->plane && !cd->step && !cd->offset && !cd->shift &&
+ !cd->depth);
+ }
+ }
+
+ const AVPixFmtDescriptor *avd2 = av_pix_fmt_desc_next(NULL);
+ for (; avd2; avd2 = av_pix_fmt_desc_next(avd2)) {
+ enum AVPixelFormat pixfmt2 = av_pix_fmt_desc_get_id(avd2);
+ int mpfmt2 = pixfmt2imgfmt(pixfmt2);
+ if (mpfmt2 == mpfmt && pixfmt2 != pixfmt)
+ fprintf(f, " Ambiguous alias: %s\n", avd2->name);
+ }
+ }
+
+ for (int z = 0; z < num_pixfmt_unsup; z++) {
+ const AVPixFmtDescriptor *avd = av_pix_fmt_desc_get(pixfmt_unsup[z]);
+ fprintf(f, "Unsupported: %s\n", avd->name);
+ }
+
+ fclose(f);
+
+ assert_text_files_equal(ctx, "img_formats.txt", "img_formats.txt",
+ "This can fail if FFmpeg adds new formats or flags.");
+}
+
+const struct unittest test_img_format = {
+ .name = "img_format",
+ .run = run,
+};