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-rw-r--r--test/img_format.c217
1 files changed, 217 insertions, 0 deletions
diff --git a/test/img_format.c b/test/img_format.c
new file mode 100644
index 0000000..3cc8ff5
--- /dev/null
+++ b/test/img_format.c
@@ -0,0 +1,217 @@
+#include <libavutil/frame.h>
+#include <libavutil/pixdesc.h>
+
+#include "img_utils.h"
+#include "options/path.h"
+#include "test_utils.h"
+#include "video/fmt-conversion.h"
+#include "video/img_format.h"
+#include "video/mp_image.h"
+#include "video/sws_utils.h"
+
+static enum AVPixelFormat pixfmt_unsup[100];
+static int num_pixfmt_unsup;
+
+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";
+ }
+}
+
+int main(int argc, char *argv[])
+{
+ init_imgfmts_list();
+ const char *refdir = argv[1];
+ const char *outdir = argv[2];
+
+ FILE *f = test_open_out(outdir, "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, " Basic desc: ");
+ #define FLAG(t, c) if (d.flags & (t)) fprintf(f, "[%s]", c);
+ FLAG(MP_IMGFLAG_BYTE_ALIGNED, "ba")
+ FLAG(MP_IMGFLAG_BYTES, "bb")
+ FLAG(MP_IMGFLAG_ALPHA, "a")
+ FLAG(MP_IMGFLAG_YUV_P, "yuvp")
+ FLAG(MP_IMGFLAG_YUV_NV, "nv")
+ FLAG(MP_IMGFLAG_COLOR_YUV, "yuv")
+ FLAG(MP_IMGFLAG_COLOR_RGB, "rgb")
+ FLAG(MP_IMGFLAG_COLOR_XYZ, "xyz")
+ FLAG(MP_IMGFLAG_GRAY, "gray")
+ FLAG(MP_IMGFLAG_LE, "le")
+ FLAG(MP_IMGFLAG_BE, "be")
+ FLAG(MP_IMGFLAG_TYPE_PAL8, "pal")
+ FLAG(MP_IMGFLAG_TYPE_HW, "hw")
+ FLAG(MP_IMGFLAG_TYPE_FLOAT, "float")
+ FLAG(MP_IMGFLAG_TYPE_UINT, "uint")
+ fprintf(f, "\n");
+ fprintf(f, " planes=%d, chroma=%d:%d align=%d:%d\n",
+ d.num_planes, d.chroma_xs, d.chroma_ys, d.align_x, d.align_y);
+ fprintf(f, " {");
+ for (int n = 0; n < MP_MAX_PLANES; n++) {
+ if (n >= d.num_planes) {
+ assert(d.bpp[n] == 0 && d.xs[n] == 0 && d.ys[n] == 0);
+ continue;
+ }
+ fprintf(f, "%d/[%d:%d] ", d.bpp[n], d.xs[n], d.ys[n]);
+ }
+ fprintf(f, "}\n");
+ } else {
+ fprintf(f, " [NODESC]\n");
+ }
+
+ for (int n = 0; n < d.num_planes; n++) {
+ fprintf(f, " %d: %dbits", n, d.bpp[n]);
+ if (d.endian_shift)
+ fprintf(f, " endian_bytes=%d", 1 << d.endian_shift);
+ for (int x = 0; x < MP_NUM_COMPONENTS; x++) {
+ struct mp_imgfmt_comp_desc cm = d.comps[x];
+ fprintf(f, " {");
+ if (cm.plane == n) {
+ if (cm.size) {
+ fprintf(f, "%d:%d", cm.offset, cm.size);
+ if (cm.pad)
+ fprintf(f, "/%d", cm.pad);
+ } else {
+ assert(cm.offset == 0);
+ assert(cm.pad == 0);
+ }
+ }
+ fprintf(f, "}");
+ if (!(d.flags & (MP_IMGFLAG_PACKED_SS_YUV | MP_IMGFLAG_HAS_COMPS)))
+ {
+ assert(cm.size == 0);
+ assert(cm.offset == 0);
+ assert(cm.pad == 0);
+ }
+ }
+ fprintf(f, "\n");
+ if (d.flags & MP_IMGFLAG_PACKED_SS_YUV) {
+ assert(!(d.flags & MP_IMGFLAG_HAS_COMPS));
+ uint8_t offsets[10];
+ bool r = mp_imgfmt_get_packed_yuv_locations(mpfmt, offsets);
+ assert(r);
+ fprintf(f, " luma_offsets=[");
+ for (int x = 0; x < d.align_x; x++)
+ fprintf(f, " %d", offsets[x]);
+ fprintf(f, "]\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,
+ 1 << reg.chroma_xs, 1 << reg.chroma_ys,
+ 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(refdir, outdir, "img_formats.txt",
+ "This can fail if FFmpeg adds new formats or flags.");
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-13 11:54:55 +0000