| // Copyright 2017 The Wuffs Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // ---------------- |
| |
| /* |
| This test program is typically run indirectly, by the "wuffs test" or "wuffs |
| bench" commands. These commands take an optional "-mimic" flag to check that |
| Wuffs' output mimics (i.e. exactly matches) other libraries' output, such as |
| giflib for GIF, libpng for PNG, etc. |
| |
| To manually run this test: |
| |
| for CC in clang gcc; do |
| $CC -std=c99 -Wall -Werror gif.c && ./a.out |
| rm -f a.out |
| done |
| |
| Each edition should print "PASS", amongst other information, and exit(0). |
| |
| Add the "wuffs mimic cflags" (everything after the colon below) to the C |
| compiler flags (after the .c file) to run the mimic tests. |
| |
| To manually run the benchmarks, replace "-Wall -Werror" with "-O3" and replace |
| the first "./a.out" with "./a.out -bench". Combine these changes with the |
| "wuffs mimic cflags" to run the mimic benchmarks. |
| */ |
| |
| // !! wuffs mimic cflags: -DWUFFS_MIMIC -lgif |
| |
| // Wuffs ships as a "single file C library" or "header file library" as per |
| // https://github.com/nothings/stb/blob/master/docs/stb_howto.txt |
| // |
| // To use that single file as a "foo.c"-like implementation, instead of a |
| // "foo.h"-like header, #define WUFFS_IMPLEMENTATION before #include'ing or |
| // compiling it. |
| #define WUFFS_IMPLEMENTATION |
| |
| // Defining the WUFFS_CONFIG__MODULE* macros are optional, but it lets users of |
| // release/c/etc.c whitelist which parts of Wuffs to build. That file contains |
| // the entire Wuffs standard library, implementing a variety of codecs and file |
| // formats. Without this macro definition, an optimizing compiler or linker may |
| // very well discard Wuffs code for unused codecs, but listing the Wuffs |
| // modules we use makes that process explicit. Preprocessing means that such |
| // code simply isn't compiled. |
| #define WUFFS_CONFIG__MODULES |
| #define WUFFS_CONFIG__MODULE__BASE |
| #define WUFFS_CONFIG__MODULE__GIF |
| #define WUFFS_CONFIG__MODULE__LZW |
| |
| // If building this program in an environment that doesn't easily accommodate |
| // relative includes, you can use the script/inline-c-relative-includes.go |
| // program to generate a stand-alone C file. |
| #include "../../../release/c/wuffs-unsupported-snapshot.c" |
| #include "../testlib/testlib.c" |
| #ifdef WUFFS_MIMIC |
| #include "../mimiclib/gif.c" |
| #endif |
| |
| // ---------------- Basic Tests |
| |
| const char* test_basic_bad_receiver() { |
| CHECK_FOCUS(__func__); |
| wuffs_base__image_config ic = ((wuffs_base__image_config){}); |
| wuffs_base__io_reader src = ((wuffs_base__io_reader){}); |
| const char* status = wuffs_gif__decoder__decode_image_config(NULL, &ic, src); |
| if (status != wuffs_base__error__bad_receiver) { |
| RETURN_FAIL("decode_image_config: got \"%s\", want \"%s\"", status, |
| wuffs_base__error__bad_receiver); |
| } |
| return NULL; |
| } |
| |
| const char* test_basic_bad_sizeof_receiver() { |
| CHECK_FOCUS(__func__); |
| wuffs_gif__decoder dec; |
| const char* status = wuffs_gif__decoder__initialize( |
| &dec, 0, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status != wuffs_base__error__bad_sizeof_receiver) { |
| RETURN_FAIL("decode_image_config: got \"%s\", want \"%s\"", status, |
| wuffs_base__error__bad_sizeof_receiver); |
| } |
| return NULL; |
| } |
| |
| const char* test_basic_bad_wuffs_version() { |
| CHECK_FOCUS(__func__); |
| wuffs_gif__decoder dec; |
| const char* status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION ^ 0x123456789ABC, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status != wuffs_base__error__bad_wuffs_version) { |
| RETURN_FAIL("decode_image_config: got \"%s\", want \"%s\"", status, |
| wuffs_base__error__bad_wuffs_version); |
| } |
| return NULL; |
| } |
| |
| const char* test_basic_initialize_not_called() { |
| CHECK_FOCUS(__func__); |
| wuffs_gif__decoder dec = ((wuffs_gif__decoder){}); |
| wuffs_base__image_config ic = ((wuffs_base__image_config){}); |
| wuffs_base__io_reader src = ((wuffs_base__io_reader){}); |
| const char* status = wuffs_gif__decoder__decode_image_config(&dec, &ic, src); |
| if (status != wuffs_base__error__initialize_not_called) { |
| RETURN_FAIL("decode_image_config: got \"%s\", want \"%s\"", status, |
| wuffs_base__error__initialize_not_called); |
| } |
| return NULL; |
| } |
| |
| const char* test_basic_status_is_error() { |
| CHECK_FOCUS(__func__); |
| if (wuffs_base__status__is_error(NULL)) { |
| RETURN_FAIL("is_error(NULL) returned true"); |
| } |
| if (!wuffs_base__status__is_error(wuffs_base__error__bad_wuffs_version)) { |
| RETURN_FAIL("is_error(BAD_WUFFS_VERSION) returned false"); |
| } |
| if (wuffs_base__status__is_error(wuffs_base__suspension__short_write)) { |
| RETURN_FAIL("is_error(SHORT_WRITE) returned true"); |
| } |
| if (!wuffs_base__status__is_error(wuffs_gif__error__bad_header)) { |
| RETURN_FAIL("is_error(BAD_HEADER) returned false"); |
| } |
| return NULL; |
| } |
| |
| const char* test_basic_status_strings() { |
| CHECK_FOCUS(__func__); |
| const char* s1 = wuffs_base__error__bad_wuffs_version; |
| const char* t1 = "#base: bad wuffs version"; |
| if (strcmp(s1, t1)) { |
| RETURN_FAIL("got \"%s\", want \"%s\"", s1, t1); |
| } |
| const char* s2 = wuffs_base__suspension__short_write; |
| const char* t2 = "$base: short write"; |
| if (strcmp(s2, t2)) { |
| RETURN_FAIL("got \"%s\", want \"%s\"", s2, t2); |
| } |
| const char* s3 = wuffs_gif__error__bad_header; |
| const char* t3 = "#gif: bad header"; |
| if (strcmp(s3, t3)) { |
| RETURN_FAIL("got \"%s\", want \"%s\"", s3, t3); |
| } |
| return NULL; |
| } |
| |
| const char* test_basic_status_used_package() { |
| CHECK_FOCUS(__func__); |
| // The function call here is from "std/gif" but the argument is from |
| // "std/lzw". The former package depends on the latter. |
| const char* s0 = wuffs_lzw__error__bad_code; |
| const char* t0 = "#lzw: bad code"; |
| if (strcmp(s0, t0)) { |
| RETURN_FAIL("got \"%s\", want \"%s\"", s0, t0); |
| } |
| return NULL; |
| } |
| |
| const char* test_basic_sub_struct_initializer() { |
| CHECK_FOCUS(__func__); |
| wuffs_gif__decoder dec; |
| const char* status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("initialize: \"%s\"", status); |
| } |
| if (dec.private_impl.magic != WUFFS_BASE__MAGIC) { |
| RETURN_FAIL("outer magic: got %" PRIu32 ", want %" PRIu32 "", |
| dec.private_impl.magic, WUFFS_BASE__MAGIC); |
| } |
| if (dec.private_data.f_lzw.private_impl.magic != WUFFS_BASE__MAGIC) { |
| RETURN_FAIL("inner magic: got %" PRIu32 ", want %" PRIu32, |
| dec.private_data.f_lzw.private_impl.magic, WUFFS_BASE__MAGIC); |
| } |
| return NULL; |
| } |
| |
| // ---------------- GIF Tests |
| |
| const char* wuffs_gif_decode(wuffs_base__io_buffer* dst, |
| uint32_t wuffs_initialize_flags, |
| wuffs_base__pixel_format pixfmt, |
| wuffs_base__io_buffer* src) { |
| wuffs_gif__decoder dec; |
| const char* status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, wuffs_initialize_flags); |
| if (status) { |
| return status; |
| } |
| |
| wuffs_base__image_config ic = ((wuffs_base__image_config){}); |
| wuffs_base__frame_config fc = ((wuffs_base__frame_config){}); |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(src); |
| status = wuffs_gif__decoder__decode_image_config(&dec, &ic, src_reader); |
| if (status) { |
| return status; |
| } |
| |
| wuffs_base__pixel_config__set(&ic.pixcfg, pixfmt, |
| WUFFS_BASE__PIXEL_SUBSAMPLING__NONE, |
| wuffs_base__pixel_config__width(&ic.pixcfg), |
| wuffs_base__pixel_config__height(&ic.pixcfg)); |
| |
| wuffs_base__pixel_buffer pb = ((wuffs_base__pixel_buffer){}); |
| status = wuffs_base__pixel_buffer__set_from_slice(&pb, &ic.pixcfg, |
| global_pixel_slice); |
| if (status) { |
| return status; |
| } |
| |
| while (true) { |
| status = wuffs_gif__decoder__decode_frame_config(&dec, &fc, src_reader); |
| if (status == wuffs_base__warning__end_of_data) { |
| break; |
| } else if (status) { |
| return status; |
| } |
| |
| status = wuffs_gif__decoder__decode_frame(&dec, &pb, src_reader, |
| global_work_slice, NULL); |
| if (status) { |
| return status; |
| } |
| |
| status = copy_to_io_buffer_from_pixel_buffer( |
| dst, &pb, wuffs_base__frame_config__bounds(&fc)); |
| if (status) { |
| return status; |
| } |
| } |
| return NULL; |
| } |
| |
| const char* do_test_wuffs_gif_decode(const char* filename, |
| const char* palette_filename, |
| const char* indexes_filename, |
| uint64_t rlimit, |
| wuffs_base__pixel_format dst_pixfmt) { |
| wuffs_base__io_buffer got = ((wuffs_base__io_buffer){ |
| .data = global_got_slice, |
| }); |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| |
| const char* status = read_file(&src, filename); |
| if (status) { |
| return status; |
| } |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("initialize: \"%s\"", status); |
| } |
| |
| wuffs_base__frame_config fc = ((wuffs_base__frame_config){}); |
| wuffs_base__pixel_buffer pb = ((wuffs_base__pixel_buffer){}); |
| |
| { |
| wuffs_base__image_config ic = ((wuffs_base__image_config){}); |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| status = wuffs_gif__decoder__decode_image_config(&dec, &ic, src_reader); |
| if (status) { |
| RETURN_FAIL("decode_image_config: got \"%s\"", status); |
| } |
| if (wuffs_base__pixel_config__pixel_format(&ic.pixcfg) != |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY) { |
| RETURN_FAIL("pixel_format: got 0x%08" PRIX32 ", want 0x%08" PRIX32, |
| wuffs_base__pixel_config__pixel_format(&ic.pixcfg), |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY); |
| } |
| |
| // bricks-dither.gif is a 160 × 120, opaque, still (not animated) GIF. |
| if (wuffs_base__pixel_config__width(&ic.pixcfg) != 160) { |
| RETURN_FAIL("width: got %" PRIu32 ", want 160", |
| wuffs_base__pixel_config__width(&ic.pixcfg)); |
| } |
| if (wuffs_base__pixel_config__height(&ic.pixcfg) != 120) { |
| RETURN_FAIL("height: got %" PRIu32 ", want 120", |
| wuffs_base__pixel_config__height(&ic.pixcfg)); |
| } |
| if (!wuffs_base__image_config__first_frame_is_opaque(&ic)) { |
| RETURN_FAIL("first_frame_is_opaque: got false, want true"); |
| } |
| |
| wuffs_base__pixel_config__set( |
| &ic.pixcfg, dst_pixfmt, WUFFS_BASE__PIXEL_SUBSAMPLING__NONE, 160, 120); |
| |
| status = wuffs_base__pixel_buffer__set_from_slice(&pb, &ic.pixcfg, |
| global_pixel_slice); |
| if (status) { |
| RETURN_FAIL("set_from_slice: \"%s\"", status); |
| } |
| |
| uint32_t got = wuffs_gif__decoder__num_animation_loops(&dec); |
| if (got != 1) { |
| RETURN_FAIL("num_animation_loops: got %" PRIu32 ", want 1", got); |
| } |
| } |
| |
| if (wuffs_gif__decoder__workbuf_len(&dec).min_incl != 1) { |
| RETURN_FAIL("workbuf_len: got %" PRIu64 ", want 1", |
| wuffs_gif__decoder__workbuf_len(&dec).min_incl); |
| } |
| |
| int num_iters = 0; |
| while (true) { |
| num_iters++; |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| if (rlimit) { |
| set_reader_limit(&src_reader, rlimit); |
| } |
| size_t old_ri = src.meta.ri; |
| |
| status = wuffs_gif__decoder__decode_frame_config(&dec, &fc, src_reader); |
| |
| if (!status) { |
| break; |
| } |
| if (status != wuffs_base__suspension__short_read) { |
| RETURN_FAIL("decode_frame_config: got \"%s\", want \"%s\"", status, |
| wuffs_base__suspension__short_read); |
| } |
| |
| if (src.meta.ri < old_ri) { |
| RETURN_FAIL("read index src.meta.ri went backwards"); |
| } |
| if (src.meta.ri == old_ri) { |
| RETURN_FAIL("no progress was made"); |
| } |
| } |
| |
| while (true) { |
| num_iters++; |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| if (rlimit) { |
| set_reader_limit(&src_reader, rlimit); |
| } |
| size_t old_ri = src.meta.ri; |
| |
| const char* status = wuffs_gif__decoder__decode_frame( |
| &dec, &pb, src_reader, global_work_slice, NULL); |
| |
| if (!status) { |
| break; |
| } |
| if (status != wuffs_base__suspension__short_read) { |
| RETURN_FAIL("decode_frame: got \"%s\", want \"%s\"", status, |
| wuffs_base__suspension__short_read); |
| } |
| |
| if (src.meta.ri < old_ri) { |
| RETURN_FAIL("read index src.meta.ri went backwards"); |
| } |
| if (src.meta.ri == old_ri) { |
| RETURN_FAIL("no progress was made"); |
| } |
| } |
| |
| status = copy_to_io_buffer_from_pixel_buffer( |
| &got, &pb, wuffs_base__frame_config__bounds(&fc)); |
| if (status) { |
| return status; |
| } |
| |
| if (rlimit) { |
| if (num_iters <= 2) { |
| RETURN_FAIL("num_iters: got %d, want > 2", num_iters); |
| } |
| } else { |
| if (num_iters != 2) { |
| RETURN_FAIL("num_iters: got %d, want 2", num_iters); |
| } |
| } |
| |
| uint8_t pal_want_array[1024]; |
| wuffs_base__io_buffer pal_want = ((wuffs_base__io_buffer){ |
| .data = ((wuffs_base__slice_u8){ |
| .ptr = pal_want_array, |
| .len = 1024, |
| }), |
| }); |
| status = read_file(&pal_want, palette_filename); |
| if (status) { |
| return status; |
| } |
| if (dst_pixfmt == WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY) { |
| wuffs_base__io_buffer pal_got = ((wuffs_base__io_buffer){ |
| .data = wuffs_base__pixel_buffer__palette(&pb), |
| }); |
| pal_got.meta.wi = pal_got.data.len; |
| status = check_io_buffers_equal("palette ", &pal_got, &pal_want); |
| if (status) { |
| return status; |
| } |
| } |
| |
| wuffs_base__io_buffer ind_want = ((wuffs_base__io_buffer){ |
| .data = global_want_slice, |
| }); |
| status = read_file(&ind_want, indexes_filename); |
| if (status) { |
| return status; |
| } |
| if (dst_pixfmt == WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY) { |
| status = check_io_buffers_equal("indexes ", &got, &ind_want); |
| if (status) { |
| return status; |
| } |
| } else { |
| wuffs_base__io_buffer expanded_want = ((wuffs_base__io_buffer){ |
| .data = global_work_slice, |
| }); |
| if (ind_want.meta.wi > (expanded_want.data.len / 4)) { |
| RETURN_FAIL("indexes are too long to expand into the work buffer"); |
| } |
| size_t i; |
| for (i = 0; i < ind_want.meta.wi; i++) { |
| uint8_t index = ind_want.data.ptr[i]; |
| expanded_want.data.ptr[4 * i + 0] = pal_want_array[4 * index + 0]; |
| expanded_want.data.ptr[4 * i + 1] = pal_want_array[4 * index + 1]; |
| expanded_want.data.ptr[4 * i + 2] = pal_want_array[4 * index + 2]; |
| expanded_want.data.ptr[4 * i + 3] = pal_want_array[4 * index + 3]; |
| } |
| expanded_want.meta.wi = 4 * ind_want.meta.wi; |
| status = check_io_buffers_equal("pixels ", &got, &expanded_want); |
| if (status) { |
| return status; |
| } |
| } |
| |
| { |
| if (src.meta.ri == src.meta.wi) { |
| RETURN_FAIL("decode_frame returned \"ok\" but src was exhausted"); |
| } |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| status = wuffs_gif__decoder__decode_frame(&dec, &pb, src_reader, |
| global_work_slice, NULL); |
| if (status != wuffs_base__warning__end_of_data) { |
| RETURN_FAIL("decode_frame: got \"%s\", want \"%s\"", status, |
| wuffs_base__warning__end_of_data); |
| } |
| if (src.meta.ri != src.meta.wi) { |
| RETURN_FAIL( |
| "decode_frame returned \"end of data\" but src was not exhausted"); |
| } |
| } |
| |
| return NULL; |
| } |
| |
| const char* do_test_wuffs_gif_decode_expecting(wuffs_base__io_buffer src, |
| uint32_t quirk, |
| const char* want_status, |
| bool want_dirty_rect_is_empty) { |
| wuffs_gif__decoder dec; |
| const char* status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("initialize: \"%s\"", status); |
| } |
| if (quirk) { |
| wuffs_gif__decoder__set_quirk_enabled(&dec, quirk, true); |
| } |
| |
| wuffs_base__image_config ic = ((wuffs_base__image_config){}); |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| |
| status = wuffs_gif__decoder__decode_image_config(&dec, &ic, src_reader); |
| if (status) { |
| RETURN_FAIL("decode_image_config: got \"%s\"", status); |
| } |
| |
| wuffs_base__pixel_buffer pb = ((wuffs_base__pixel_buffer){}); |
| status = wuffs_base__pixel_buffer__set_from_slice(&pb, &ic.pixcfg, |
| global_pixel_slice); |
| if (status) { |
| RETURN_FAIL("set_from_slice: \"%s\"", status); |
| } |
| |
| status = wuffs_gif__decoder__decode_frame(&dec, &pb, src_reader, |
| global_work_slice, NULL); |
| if (status != want_status) { |
| RETURN_FAIL("decode_frame: got \"%s\", want \"%s\"", status, want_status); |
| } |
| |
| wuffs_base__rect_ie_u32 r = wuffs_gif__decoder__frame_dirty_rect(&dec); |
| bool dirty_rect_is_empty = wuffs_base__rect_ie_u32__is_empty(&r); |
| if (dirty_rect_is_empty != want_dirty_rect_is_empty) { |
| RETURN_FAIL("dirty_rect.is_empty: got %s, want %s", |
| dirty_rect_is_empty ? "true" : "false", |
| want_dirty_rect_is_empty ? "true" : "false"); |
| } |
| return NULL; |
| } |
| |
| const char* test_wuffs_gif_call_interleaved() { |
| CHECK_FOCUS(__func__); |
| |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| |
| const char* status = read_file(&src, "test/data/bricks-dither.gif"); |
| if (status) { |
| return status; |
| } |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("initialize: \"%s\"", status); |
| } |
| |
| { |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| set_reader_limit(&src_reader, 700); |
| |
| status = wuffs_gif__decoder__decode_frame_config(&dec, NULL, src_reader); |
| if (status != wuffs_base__suspension__short_read) { |
| RETURN_FAIL("decode_frame_config: got \"%s\", want \"%s\"", status, |
| wuffs_base__suspension__short_read); |
| } |
| } |
| |
| // Calling another coroutine (decode_image_config) while suspended inside an |
| // active coroutine (decode_frame_config) should be an error: |
| // wuffs_base__error__interleaved_coroutine_calls. |
| |
| { |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| |
| status = wuffs_gif__decoder__decode_image_config(&dec, NULL, src_reader); |
| if (status != wuffs_base__error__interleaved_coroutine_calls) { |
| RETURN_FAIL("decode_image_config: got \"%s\", want \"%s\"", status, |
| wuffs_base__error__interleaved_coroutine_calls); |
| } |
| } |
| |
| return NULL; |
| } |
| |
| const char* test_wuffs_gif_call_sequence() { |
| CHECK_FOCUS(__func__); |
| |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| |
| const char* status = read_file(&src, "test/data/bricks-dither.gif"); |
| if (status) { |
| return status; |
| } |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("initialize: \"%s\"", status); |
| } |
| |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| |
| status = wuffs_gif__decoder__decode_image_config(&dec, NULL, src_reader); |
| if (status) { |
| RETURN_FAIL("decode_image_config: got \"%s\"", status); |
| } |
| |
| status = wuffs_gif__decoder__decode_image_config(&dec, NULL, src_reader); |
| if (status != wuffs_base__error__bad_call_sequence) { |
| RETURN_FAIL("decode_image_config: got \"%s\", want \"%s\"", status, |
| wuffs_base__error__bad_call_sequence); |
| } |
| return NULL; |
| } |
| |
| const char* do_test_wuffs_gif_decode_animated( |
| const char* filename, |
| uint32_t want_num_loops, |
| uint32_t want_num_frames, |
| wuffs_base__rect_ie_u32* want_frame_config_bounds) { |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| |
| const char* status = read_file(&src, filename); |
| if (status) { |
| return status; |
| } |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("initialize: \"%s\"", status); |
| } |
| |
| wuffs_base__image_config ic = ((wuffs_base__image_config){}); |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| |
| status = wuffs_gif__decoder__decode_image_config(&dec, &ic, src_reader); |
| if (status) { |
| RETURN_FAIL("decode_image_config: got \"%s\"", status); |
| } |
| |
| uint32_t got_num_loops = wuffs_gif__decoder__num_animation_loops(&dec); |
| if (got_num_loops != want_num_loops) { |
| RETURN_FAIL("num_loops: got %" PRIu32 ", want %" PRIu32, got_num_loops, |
| want_num_loops); |
| } |
| |
| wuffs_base__pixel_buffer pb = ((wuffs_base__pixel_buffer){}); |
| status = wuffs_base__pixel_buffer__set_from_slice(&pb, &ic.pixcfg, |
| global_pixel_slice); |
| if (status) { |
| RETURN_FAIL("set_from_slice: \"%s\"", status); |
| } |
| |
| uint32_t i; |
| for (i = 0; i < want_num_frames; i++) { |
| wuffs_base__frame_config fc = ((wuffs_base__frame_config){}); |
| status = wuffs_gif__decoder__decode_frame_config(&dec, &fc, src_reader); |
| if (status) { |
| RETURN_FAIL("decode_frame_config #%" PRIu32 ": got \"%s\"", i, status); |
| } |
| |
| if (want_frame_config_bounds) { |
| wuffs_base__rect_ie_u32 got = wuffs_base__frame_config__bounds(&fc); |
| wuffs_base__rect_ie_u32 want = want_frame_config_bounds[i]; |
| if (!wuffs_base__rect_ie_u32__equals(&got, want)) { |
| RETURN_FAIL("decode_frame_config #%" PRIu32 ": bounds: got (%" PRIu32 |
| ", %" PRIu32 ")-(%" PRIu32 ", %" PRIu32 "), want (%" PRIu32 |
| ", %" PRIu32 ")-(%" PRIu32 ", %" PRIu32 ")", |
| i, got.min_incl_x, got.min_incl_y, got.max_excl_x, |
| got.max_excl_y, want.min_incl_x, want.min_incl_y, |
| want.max_excl_x, want.max_excl_y); |
| } |
| } |
| |
| status = wuffs_gif__decoder__decode_frame(&dec, &pb, src_reader, |
| global_work_slice, NULL); |
| if (status) { |
| RETURN_FAIL("decode_frame #%" PRIu32 ": got \"%s\"", i, status); |
| } |
| |
| wuffs_base__rect_ie_u32 frame_rect = wuffs_base__frame_config__bounds(&fc); |
| wuffs_base__rect_ie_u32 dirty_rect = |
| wuffs_gif__decoder__frame_dirty_rect(&dec); |
| if (!wuffs_base__rect_ie_u32__contains_rect(&frame_rect, dirty_rect)) { |
| RETURN_FAIL("internal error: frame_rect does not contain dirty_rect"); |
| } |
| } |
| |
| // There should be no more frames, no matter how many times we call |
| // decode_frame. |
| for (i = 0; i < 3; i++) { |
| status = wuffs_gif__decoder__decode_frame(&dec, &pb, src_reader, |
| global_work_slice, NULL); |
| if (status != wuffs_base__warning__end_of_data) { |
| RETURN_FAIL("decode_frame: got \"%s\", want \"%s\"", status, |
| wuffs_base__warning__end_of_data); |
| } |
| } |
| |
| uint64_t got_num_frames = wuffs_gif__decoder__num_decoded_frames(&dec); |
| if (got_num_frames != want_num_frames) { |
| RETURN_FAIL("frame_count: got %" PRIu64 ", want %" PRIu32, got_num_frames, |
| want_num_frames); |
| } |
| |
| return NULL; |
| } |
| |
| const char* test_wuffs_gif_decode_animated_big() { |
| CHECK_FOCUS(__func__); |
| return do_test_wuffs_gif_decode_animated("test/data/gifplayer-muybridge.gif", |
| 0, 380, NULL); |
| } |
| |
| const char* test_wuffs_gif_decode_animated_medium() { |
| CHECK_FOCUS(__func__); |
| return do_test_wuffs_gif_decode_animated("test/data/muybridge.gif", 0, 15, |
| NULL); |
| } |
| |
| const char* test_wuffs_gif_decode_animated_small() { |
| CHECK_FOCUS(__func__); |
| // animated-red-blue.gif's num_loops should be 3. The value explicitly in the |
| // wire format is 0x0002, but that value means "repeat 2 times after the |
| // first play", so the total number of loops is 3. |
| const uint32_t want_num_loops = 3; |
| wuffs_base__rect_ie_u32 want_frame_config_bounds[4] = { |
| make_rect_ie_u32(0, 0, 64, 48), |
| make_rect_ie_u32(15, 31, 52, 40), |
| make_rect_ie_u32(15, 0, 64, 40), |
| make_rect_ie_u32(15, 0, 64, 40), |
| }; |
| return do_test_wuffs_gif_decode_animated( |
| "test/data/animated-red-blue.gif", want_num_loops, |
| WUFFS_TESTLIB_ARRAY_SIZE(want_frame_config_bounds), |
| want_frame_config_bounds); |
| } |
| |
| const char* test_wuffs_gif_decode_delay_num_frames_decoded() { |
| CHECK_FOCUS(__func__); |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| const char* status = read_file(&src, "test/data/animated-red-blue.gif"); |
| if (status) { |
| return status; |
| } |
| if (src.meta.wi < 1) { |
| return "src file is too short"; |
| } |
| |
| // A GIF image should end with the 0x3B Trailer byte. |
| if (src.data.ptr[src.meta.wi - 1] != 0x3B) { |
| RETURN_FAIL("final byte: got 0x%02X, want 0x%02X", |
| src.data.ptr[src.meta.wi - 1], 0x3B); |
| } |
| // Replace that final byte with something invalid: neither 0x21 (Extension |
| // Introducer), 0x2C (Image Separator) or 0x3B (Trailer). |
| src.data.ptr[src.meta.wi - 1] = 0x99; |
| |
| int q; |
| for (q = 0; q < 2; q++) { |
| src.meta.ri = 0; |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("q=%d: initialize: \"%s\"", q, status); |
| } |
| wuffs_gif__decoder__set_quirk_enabled( |
| &dec, wuffs_gif__quirk_delay_num_decoded_frames, q); |
| |
| while (true) { |
| status = wuffs_gif__decoder__decode_frame_config( |
| &dec, NULL, wuffs_base__io_buffer__reader(&src)); |
| if (status) { |
| break; |
| } |
| } |
| |
| uint64_t got = wuffs_gif__decoder__num_decoded_frames(&dec); |
| uint64_t want = q ? 3 : 4; |
| if (got != want) { |
| RETURN_FAIL("q=%d: num_decoded_frames: got %" PRIu64 ", want %" PRIu64, q, |
| got, want); |
| } |
| } |
| return NULL; |
| } |
| |
| const char* test_wuffs_gif_decode_empty_palette() { |
| CHECK_FOCUS(__func__); |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| const char* status = |
| read_file(&src, "test/data/artificial/gif-empty-palette.gif"); |
| if (status) { |
| return status; |
| } |
| int q; |
| for (q = 0; q < 2; q++) { |
| src.meta.ri = 0; |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("q=%d: initialize: \"%s\"", q, status); |
| } |
| wuffs_gif__decoder__set_quirk_enabled( |
| &dec, wuffs_gif__quirk_reject_empty_palette, q); |
| |
| wuffs_base__image_config ic = ((wuffs_base__image_config){}); |
| status = wuffs_gif__decoder__decode_image_config( |
| &dec, &ic, wuffs_base__io_buffer__reader(&src)); |
| if (status) { |
| RETURN_FAIL("q=%d: decode_image_config: \"%s\"", q, status); |
| } |
| |
| wuffs_base__pixel_buffer pb = ((wuffs_base__pixel_buffer){}); |
| status = wuffs_base__pixel_buffer__set_from_slice(&pb, &ic.pixcfg, |
| global_pixel_slice); |
| if (status) { |
| RETURN_FAIL("q=%d: set_from_slice: \"%s\"", q, status); |
| } |
| |
| int i; |
| for (i = 0; i < 2; i++) { |
| status = wuffs_gif__decoder__decode_frame( |
| &dec, &pb, wuffs_base__io_buffer__reader(&src), global_work_slice, |
| NULL); |
| if ((q == 1) && (i == 1)) { |
| if (status != wuffs_gif__error__bad_palette) { |
| RETURN_FAIL("q=%d: i=%d: decode_frame: got \"%s\", want \"%s\"", q, i, |
| status, wuffs_gif__error__bad_palette); |
| } |
| break; |
| } |
| if (status) { |
| RETURN_FAIL("q=%d: i=%d: decode_frame: \"%s\"", q, i, status); |
| } |
| |
| wuffs_base__slice_u8 pal = wuffs_base__pixel_buffer__palette(&pb); |
| if (pal.len < 4) { |
| RETURN_FAIL("q=%d: i=%d: palette length: got %d, want >= 4", q, i, |
| (int)(pal.len)); |
| } |
| uint8_t* p = pal.ptr; |
| int blue = i ? 0x00 : 0xFF; |
| if ((p[0] != blue) || (p[1] != 0x00) || (p[2] != 0x00) || |
| (p[3] != 0xFF)) { |
| RETURN_FAIL( |
| "q=%d: i=%d: palette[0] BGRA: got (0x%02X, 0x%02X, 0x%02X, " |
| "0x%02X), want (0x%02X, 0x00, 0x00, 0xFF)", |
| q, i, (int)(p[0]), (int)(p[1]), (int)(p[2]), (int)(p[3]), blue); |
| } |
| } |
| } |
| return NULL; |
| } |
| |
| const char* test_wuffs_gif_decode_background_color() { |
| CHECK_FOCUS(__func__); |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| const char* status = |
| read_file(&src, "test/data/artificial/gif-background-color.gif"); |
| if (status) { |
| return status; |
| } |
| int q; |
| for (q = 0; q < 2; q++) { |
| src.meta.ri = 0; |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("q=%d: initialize: \"%s\"", q, status); |
| } |
| wuffs_gif__decoder__set_quirk_enabled( |
| &dec, wuffs_gif__quirk_honor_background_color, q); |
| |
| wuffs_base__frame_config fc = ((wuffs_base__frame_config){}); |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| status = wuffs_gif__decoder__decode_frame_config(&dec, &fc, src_reader); |
| if (status) { |
| RETURN_FAIL("q=%d: decode_frame_config: \"%s\"", q, status); |
| } |
| |
| wuffs_base__color_u32_argb_premul got = |
| wuffs_base__frame_config__background_color(&fc); |
| wuffs_base__color_u32_argb_premul want = q ? 0xFF80C3C3 : 0x00000000; |
| |
| if (got != want) { |
| RETURN_FAIL("q=%d: got 0x%08" PRIX32 ", want 0x%08" PRIX32, q, got, want); |
| } |
| } |
| return NULL; |
| } |
| |
| const char* test_wuffs_gif_decode_first_frame_is_opaque() { |
| CHECK_FOCUS(__func__); |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| const char* status = |
| read_file(&src, "test/data/artificial/gif-frame-out-of-bounds.gif"); |
| if (status) { |
| return status; |
| } |
| int q; |
| for (q = 0; q < 2; q++) { |
| src.meta.ri = 0; |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("q=%d: initialize: \"%s\"", q, status); |
| } |
| wuffs_gif__decoder__set_quirk_enabled( |
| &dec, wuffs_gif__quirk_honor_background_color, q); |
| |
| wuffs_base__image_config ic = ((wuffs_base__image_config){}); |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| status = wuffs_gif__decoder__decode_image_config(&dec, &ic, src_reader); |
| if (status) { |
| RETURN_FAIL("q=%d: decode_image_config: \"%s\"", q, status); |
| } |
| |
| bool got = wuffs_base__image_config__first_frame_is_opaque(&ic); |
| bool want = q; |
| |
| if (got != want) { |
| RETURN_FAIL("q=%d: got %s, want %s", q, got ? "true" : "false", |
| want ? "true" : "false"); |
| } |
| } |
| return NULL; |
| } |
| |
| const char* test_wuffs_gif_decode_frame_out_of_bounds() { |
| CHECK_FOCUS(__func__); |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| const char* status = |
| read_file(&src, "test/data/artificial/gif-frame-out-of-bounds.gif"); |
| if (status) { |
| return status; |
| } |
| |
| int q; |
| for (q = 0; q < 2; q++) { |
| src.meta.ri = 0; |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("q=%d: initialize: \"%s\"", q, status); |
| } |
| wuffs_gif__decoder__set_quirk_enabled( |
| &dec, wuffs_gif__quirk_image_bounds_are_strict, q); |
| |
| wuffs_base__image_config ic = ((wuffs_base__image_config){}); |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| status = wuffs_gif__decoder__decode_image_config(&dec, &ic, src_reader); |
| if (status) { |
| RETURN_FAIL("q=%d: decode_image_config: \"%s\"", q, status); |
| } |
| |
| // The nominal width and height for the overall image is 2×2, but its first |
| // frame extends those bounds to 4×2. See |
| // test/data/artificial/gif-frame-out-of-bounds.gif.make-artificial.txt for |
| // more discussion. |
| |
| const uint32_t width = q ? 2 : 4; |
| const uint32_t height = 2; |
| |
| if (wuffs_base__pixel_config__width(&ic.pixcfg) != width) { |
| RETURN_FAIL("q=%d: width: got %" PRIu32 ", want %" PRIu32, q, |
| wuffs_base__pixel_config__width(&ic.pixcfg), width); |
| } |
| if (wuffs_base__pixel_config__height(&ic.pixcfg) != height) { |
| RETURN_FAIL("q=%d: height: got %" PRIu32 ", want %" PRIu32, q, |
| wuffs_base__pixel_config__height(&ic.pixcfg), height); |
| } |
| |
| wuffs_base__pixel_buffer pb = ((wuffs_base__pixel_buffer){}); |
| status = wuffs_base__pixel_buffer__set_from_slice(&pb, &ic.pixcfg, |
| global_pixel_slice); |
| if (status) { |
| RETURN_FAIL("q=%d: set_from_slice: \"%s\"", q, status); |
| } |
| |
| // See test/data/artificial/gif-frame-out-of-bounds.gif.make-artificial.txt |
| // for the want_frame_config_bounds and want_pixel_indexes source. |
| |
| wuffs_base__rect_ie_u32 want_frame_config_bounds[4] = { |
| q ? make_rect_ie_u32(1, 0, 2, 1) : make_rect_ie_u32(1, 0, 4, 1), |
| q ? make_rect_ie_u32(0, 1, 2, 2) : make_rect_ie_u32(0, 1, 2, 2), |
| q ? make_rect_ie_u32(0, 2, 1, 2) : make_rect_ie_u32(0, 2, 1, 2), |
| q ? make_rect_ie_u32(2, 0, 2, 2) : make_rect_ie_u32(2, 0, 4, 2), |
| }; |
| |
| const char* want_pixel_indexes[4] = { |
| q ? ".1.." : ".123....", |
| q ? "..89" : "....89..", |
| q ? "...." : "........", |
| q ? "...." : "..45..89", |
| }; |
| |
| uint32_t i; |
| for (i = 0; true; i++) { |
| wuffs_base__frame_config fc = ((wuffs_base__frame_config){}); |
| { |
| status = wuffs_gif__decoder__decode_frame_config(&dec, &fc, src_reader); |
| if (i == WUFFS_TESTLIB_ARRAY_SIZE(want_frame_config_bounds)) { |
| if (status != wuffs_base__warning__end_of_data) { |
| RETURN_FAIL("q=%d: decode_frame_config #%" PRIu32 ": got \"%s\"", q, |
| i, status); |
| } |
| break; |
| } |
| if (status) { |
| RETURN_FAIL("q=%d: decode_frame_config #%" PRIu32 ": got \"%s\"", q, |
| i, status); |
| } |
| |
| wuffs_base__rect_ie_u32 got = wuffs_base__frame_config__bounds(&fc); |
| wuffs_base__rect_ie_u32 want = want_frame_config_bounds[i]; |
| if (!wuffs_base__rect_ie_u32__equals(&got, want)) { |
| RETURN_FAIL("q=%d: decode_frame_config #%" PRIu32 |
| ": bounds: got (%" PRIu32 ", %" PRIu32 ")-(%" PRIu32 |
| ", %" PRIu32 "), want (%" PRIu32 ", %" PRIu32 |
| ")-(%" PRIu32 ", %" PRIu32 ")", |
| q, i, got.min_incl_x, got.min_incl_y, got.max_excl_x, |
| got.max_excl_y, want.min_incl_x, want.min_incl_y, |
| want.max_excl_x, want.max_excl_y); |
| } |
| } |
| |
| { |
| wuffs_base__table_u8 p = wuffs_base__pixel_buffer__plane(&pb, 0); |
| uint32_t y, x; |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| p.ptr[(y * p.stride) + x] = 0; |
| } |
| } |
| |
| status = wuffs_gif__decoder__decode_frame(&dec, &pb, src_reader, |
| global_work_slice, NULL); |
| if (status) { |
| RETURN_FAIL("q=%d: decode_frame #%" PRIu32 ": got \"%s\"", q, i, |
| status); |
| } |
| |
| wuffs_base__rect_ie_u32 frame_rect = |
| wuffs_base__frame_config__bounds(&fc); |
| wuffs_base__rect_ie_u32 dirty_rect = |
| wuffs_gif__decoder__frame_dirty_rect(&dec); |
| if (!wuffs_base__rect_ie_u32__contains_rect(&frame_rect, dirty_rect)) { |
| RETURN_FAIL( |
| "q=%d: internal error: frame_rect does not contain dirty_rect", |
| q); |
| } |
| |
| char got[(width * height) + 1]; |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| uint8_t index = 0x0F & p.ptr[(y * p.stride) + x]; |
| got[(y * width) + x] = index ? ('0' + index) : '.'; |
| } |
| } |
| got[width * height] = 0; |
| |
| const char* want = want_pixel_indexes[i]; |
| if (memcmp(got, want, width * height)) { |
| RETURN_FAIL("q=%d: decode_frame #%" PRIu32 |
| ": got \"%s\", want \"%s\"", |
| q, i, got, want); |
| } |
| } |
| } |
| } |
| return NULL; |
| } |
| |
| const char* test_wuffs_gif_decode_zero_width_frame() { |
| CHECK_FOCUS(__func__); |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| const char* status = |
| read_file(&src, "test/data/artificial/gif-zero-width-frame.gif"); |
| if (status) { |
| return status; |
| } |
| int q; |
| for (q = 0; q < 3; q++) { |
| src.meta.ri = 0; |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("q=%d: initialize: \"%s\"", q, status); |
| } |
| |
| const char* want = NULL; |
| switch (q) { |
| case 0: |
| want = wuffs_base__error__too_much_data; |
| break; |
| case 1: |
| want = NULL; |
| wuffs_gif__decoder__set_quirk_enabled( |
| &dec, wuffs_gif__quirk_ignore_too_much_pixel_data, true); |
| break; |
| case 2: |
| want = wuffs_gif__error__bad_frame_size; |
| wuffs_gif__decoder__set_quirk_enabled( |
| &dec, wuffs_gif__quirk_reject_empty_frame, true); |
| break; |
| } |
| |
| wuffs_base__image_config ic = ((wuffs_base__image_config){}); |
| status = wuffs_gif__decoder__decode_image_config( |
| &dec, &ic, wuffs_base__io_buffer__reader(&src)); |
| if (status) { |
| RETURN_FAIL("q=%d: decode_image_config: \"%s\"", q, status); |
| } |
| |
| wuffs_base__pixel_buffer pb = ((wuffs_base__pixel_buffer){}); |
| status = wuffs_base__pixel_buffer__set_from_slice(&pb, &ic.pixcfg, |
| global_pixel_slice); |
| if (status) { |
| RETURN_FAIL("q=%d: set_from_slice: \"%s\"", q, status); |
| } |
| |
| const char* got = wuffs_gif__decoder__decode_frame( |
| &dec, &pb, wuffs_base__io_buffer__reader(&src), global_work_slice, |
| NULL); |
| if (got != want) { |
| RETURN_FAIL("q=%d: decode_frame: got \"%s\", want \"%s\"", q, got, want); |
| } |
| } |
| return NULL; |
| } |
| |
| const char* test_wuffs_gif_decode_bgra_nonpremul() { |
| CHECK_FOCUS(__func__); |
| return do_test_wuffs_gif_decode("test/data/bricks-dither.gif", |
| "test/data/bricks-dither.palette", |
| "test/data/bricks-dither.indexes", 0, |
| WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL); |
| } |
| |
| const char* test_wuffs_gif_decode_input_is_a_gif_just_one_read() { |
| CHECK_FOCUS(__func__); |
| return do_test_wuffs_gif_decode( |
| "test/data/bricks-dither.gif", "test/data/bricks-dither.palette", |
| "test/data/bricks-dither.indexes", 0, |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY); |
| } |
| |
| const char* test_wuffs_gif_decode_input_is_a_gif_many_big_reads() { |
| CHECK_FOCUS(__func__); |
| return do_test_wuffs_gif_decode( |
| "test/data/bricks-dither.gif", "test/data/bricks-dither.palette", |
| "test/data/bricks-dither.indexes", 4096, |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY); |
| } |
| |
| const char* test_wuffs_gif_decode_input_is_a_gif_many_medium_reads() { |
| CHECK_FOCUS(__func__); |
| return do_test_wuffs_gif_decode( |
| "test/data/bricks-dither.gif", "test/data/bricks-dither.palette", |
| "test/data/bricks-dither.indexes", 787, |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY); |
| // The magic 787 tickles being in the middle of a decode_extension skip |
| // call. |
| // |
| // TODO: has 787 changed since we decode the image_config separately? |
| } |
| |
| const char* test_wuffs_gif_decode_input_is_a_gif_many_small_reads() { |
| CHECK_FOCUS(__func__); |
| return do_test_wuffs_gif_decode( |
| "test/data/bricks-dither.gif", "test/data/bricks-dither.palette", |
| "test/data/bricks-dither.indexes", 13, |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY); |
| } |
| |
| const char* test_wuffs_gif_decode_input_is_a_png() { |
| CHECK_FOCUS(__func__); |
| |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| |
| const char* status = read_file(&src, "test/data/bricks-dither.png"); |
| if (status) { |
| return status; |
| } |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("initialize: \"%s\"", status); |
| } |
| wuffs_base__image_config ic = ((wuffs_base__image_config){}); |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| |
| status = wuffs_gif__decoder__decode_image_config(&dec, &ic, src_reader); |
| if (status != wuffs_gif__error__bad_header) { |
| RETURN_FAIL("decode_image_config: got \"%s\", want \"%s\"", status, |
| wuffs_gif__error__bad_header); |
| } |
| return NULL; |
| } |
| |
| const char* test_wuffs_gif_decode_metadata() { |
| CHECK_FOCUS(__func__); |
| |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| |
| const char* status = read_file(&src, "test/data/artificial/gif-metadata.gif"); |
| if (status) { |
| return status; |
| } |
| |
| int iccp; |
| for (iccp = 0; iccp < 2; iccp++) { |
| int xmp; |
| for (xmp = 0; xmp < 2; xmp++) { |
| bool seen_iccp = false; |
| bool seen_xmp = false; |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("initialize: \"%s\"", status); |
| } |
| |
| if (iccp) { |
| wuffs_gif__decoder__set_report_metadata(&dec, WUFFS_BASE__FOURCC__ICCP, |
| true); |
| } |
| if (xmp) { |
| wuffs_gif__decoder__set_report_metadata(&dec, WUFFS_BASE__FOURCC__XMP, |
| true); |
| } |
| |
| wuffs_base__image_config ic = ((wuffs_base__image_config){}); |
| src.meta.ri = 0; |
| |
| while (true) { |
| status = wuffs_gif__decoder__decode_image_config( |
| &dec, &ic, wuffs_base__io_buffer__reader(&src)); |
| if (!status) { |
| break; |
| } else if (status != wuffs_base__warning__metadata_reported) { |
| RETURN_FAIL( |
| "decode_image_config (iccp=%d, xmp=%d): got \"%s\", want \"%s\"", |
| iccp, xmp, status, wuffs_base__warning__metadata_reported); |
| } |
| |
| const char* want = ""; |
| char got_buffer[100]; |
| int got_length = 0; |
| uint32_t got_fourcc = wuffs_gif__decoder__metadata_fourcc(&dec); |
| |
| switch (wuffs_gif__decoder__metadata_fourcc(&dec)) { |
| case WUFFS_BASE__FOURCC__ICCP: |
| want = "\x16\x26\x36\x46\x56\x76\x86\x96"; |
| seen_iccp = true; |
| break; |
| case WUFFS_BASE__FOURCC__XMP: |
| want = "\x05\x17\x27\x37\x47\x57\x03\x77\x87\x97"; |
| seen_xmp = true; |
| break; |
| default: |
| RETURN_FAIL( |
| "metadata_fourcc (iccp=%d, xmp=%d): unexpected FourCC " |
| "0x%08" PRIX32, |
| iccp, xmp, got_fourcc); |
| } |
| |
| while (true) { |
| uint64_t n = wuffs_gif__decoder__metadata_chunk_length(&dec); |
| if ((n > 100) || (n + got_length > 100)) { |
| RETURN_FAIL( |
| "metadata_chunk_length (iccp=%d, xmp=%d): too much " |
| "metadata (vs buffer size)", |
| iccp, xmp); |
| } |
| if (n > wuffs_base__io_buffer__reader_available(&src)) { |
| RETURN_FAIL( |
| "metadata_chunk_length (iccp=%d, xmp=%d): too much " |
| "metadata (vs available)", |
| iccp, xmp); |
| } |
| memcpy(got_buffer + got_length, src.data.ptr + src.meta.ri, n); |
| got_length += n; |
| src.meta.ri += n; |
| |
| status = wuffs_gif__decoder__ack_metadata_chunk( |
| &dec, wuffs_base__io_buffer__reader(&src)); |
| if (!status) { |
| break; |
| } else if (status != wuffs_base__warning__metadata_reported) { |
| RETURN_FAIL( |
| "ack_metadata_chunk (iccp=%d, xmp=%d): got \"%s\", want \"%s\"", |
| iccp, xmp, status, wuffs_base__warning__metadata_reported); |
| } |
| } |
| |
| int want_length = strlen(want); |
| if ((got_length != want_length) || |
| strncmp(got_buffer, want, want_length)) { |
| RETURN_FAIL("metadata (iccp=%d, xmp=%d): fourcc=0x%08" PRIX32 |
| ": values differed", |
| iccp, xmp, got_fourcc); |
| } |
| } |
| |
| if (iccp != seen_iccp) { |
| RETURN_FAIL("seen_iccp (iccp=%d, xmp=%d): got %d, want %d", iccp, xmp, |
| seen_iccp, iccp); |
| } |
| |
| if (xmp != seen_xmp) { |
| RETURN_FAIL("seen_xmp (iccp=%d, xmp=%d): got %d, want %d", iccp, xmp, |
| seen_xmp, xmp); |
| } |
| |
| { |
| uint64_t got = wuffs_base__image_config__first_frame_io_position(&ic); |
| uint64_t want = 25; |
| if (got != want) { |
| RETURN_FAIL("first_frame_io_position: got %" PRIu64 ", want %" PRIu64, |
| got, want); |
| } |
| } |
| |
| { |
| uint32_t got = wuffs_gif__decoder__num_animation_loops(&dec); |
| uint32_t want = 2001; |
| if (got != want) { |
| RETURN_FAIL("num_animation_loops: got %" PRIu32 ", want %" PRIu32, |
| got, want); |
| } |
| } |
| |
| { |
| wuffs_base__frame_config fc = ((wuffs_base__frame_config){}); |
| status = wuffs_gif__decoder__decode_frame_config( |
| &dec, &fc, wuffs_base__io_buffer__reader(&src)); |
| if (status) { |
| RETURN_FAIL("decode_frame_config (iccp=%d, xmp=%d): %s", iccp, xmp, |
| status); |
| } |
| uint32_t got = wuffs_base__frame_config__width(&fc); |
| uint32_t want = 1; |
| if (got != want) { |
| RETURN_FAIL( |
| "decode_frame_config (iccp=%d, xmp=%d): width: got %" PRIu32 |
| ", want %" PRIu32, |
| iccp, xmp, got, want); |
| } |
| } |
| } |
| } |
| |
| return NULL; |
| } |
| |
| const char* test_wuffs_gif_decode_missing_two_src_bytes() { |
| CHECK_FOCUS(__func__); |
| |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| |
| const char* status = read_file(&src, "test/data/pjw-thumbnail.gif"); |
| if (status) { |
| return status; |
| } |
| |
| // Trim the final two bytes: the 0x00 end-of-block and the 0x3B trailer. |
| if (src.meta.wi < 2) { |
| return "src file is too short"; |
| } |
| src.meta.wi -= 2; |
| |
| return do_test_wuffs_gif_decode_expecting( |
| src, 0, wuffs_base__suspension__short_read, false); |
| } |
| |
| const char* test_wuffs_gif_decode_multiple_graphic_controls() { |
| CHECK_FOCUS(__func__); |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| const char* status = |
| read_file(&src, "test/data/artificial/gif-multiple-graphic-controls.gif"); |
| if (status) { |
| return status; |
| } |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("initialize: \"%s\"", status); |
| } |
| wuffs_base__frame_config fc = ((wuffs_base__frame_config){}); |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| status = wuffs_gif__decoder__decode_frame_config(&dec, &fc, src_reader); |
| if (status) { |
| RETURN_FAIL("decode_frame_config: \"%s\"", status); |
| } |
| |
| int got = wuffs_base__frame_config__duration(&fc) / |
| WUFFS_BASE__FLICKS_PER_MILLISECOND; |
| int want = 300; |
| if (got != want) { |
| RETURN_FAIL("duration: got %d, want %d", got, want); |
| } |
| return NULL; |
| } |
| |
| const char* test_wuffs_gif_decode_multiple_loop_counts() { |
| CHECK_FOCUS(__func__); |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| const char* status = |
| read_file(&src, "test/data/artificial/gif-multiple-loop-counts.gif"); |
| if (status) { |
| return status; |
| } |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("initialize: \"%s\"", status); |
| } |
| wuffs_base__image_config ic = ((wuffs_base__image_config){}); |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| status = wuffs_gif__decoder__decode_image_config(&dec, &ic, src_reader); |
| if (status) { |
| RETURN_FAIL("decode_image_config: \"%s\"", status); |
| } |
| |
| // See test/data/artificial/gif-multiple-loop-counts.gif.make-artificial.txt |
| // for the want_num_animation_loops source. Note that the GIF wire format's |
| // loop counts are the number of animation loops *after* the first play |
| // through, and Wuffs' are the number *including* the first play through. |
| |
| uint32_t want_num_animation_loops[4] = {1, 1, 51, 31}; |
| |
| uint32_t i; |
| for (i = 0; true; i++) { |
| { |
| status = wuffs_gif__decoder__decode_frame_config(&dec, NULL, src_reader); |
| if (i == WUFFS_TESTLIB_ARRAY_SIZE(want_num_animation_loops)) { |
| if (status != wuffs_base__warning__end_of_data) { |
| RETURN_FAIL("decode_frame_config #%" PRIu32 ": got \"%s\"", i, |
| status); |
| } |
| break; |
| } |
| if (status) { |
| RETURN_FAIL("decode_frame_config #%" PRIu32 ": got \"%s\"", i, status); |
| } |
| } |
| |
| uint32_t got = wuffs_gif__decoder__num_animation_loops(&dec); |
| uint32_t want = want_num_animation_loops[i]; |
| if (got != want) { |
| RETURN_FAIL("num_animation_loops #%" PRIu32 ": got %" PRIu32 |
| ", want %" PRIu32, |
| i, got, want); |
| } |
| } |
| |
| uint32_t got = wuffs_gif__decoder__num_animation_loops(&dec); |
| uint32_t want = 41; |
| if (got != want) { |
| RETURN_FAIL("num_animation_loops #%" PRIu32 ": got %" PRIu32 |
| ", want %" PRIu32, |
| i, got, want); |
| } |
| return NULL; |
| } |
| |
| const char* test_wuffs_gif_decode_pixel_data_none() { |
| CHECK_FOCUS(__func__); |
| |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| |
| const char* status = |
| read_file(&src, "test/data/artificial/gif-pixel-data-none.gif"); |
| if (status) { |
| return status; |
| } |
| |
| return do_test_wuffs_gif_decode_expecting( |
| src, 0, wuffs_base__error__not_enough_data, true); |
| } |
| |
| const char* test_wuffs_gif_decode_pixel_data_not_enough() { |
| CHECK_FOCUS(__func__); |
| |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| |
| const char* status = |
| read_file(&src, "test/data/artificial/gif-pixel-data-not-enough.gif"); |
| if (status) { |
| return status; |
| } |
| |
| return do_test_wuffs_gif_decode_expecting( |
| src, 0, wuffs_base__error__not_enough_data, false); |
| } |
| |
| const char* test_wuffs_gif_decode_pixel_data_too_much_sans_quirk() { |
| CHECK_FOCUS(__func__); |
| |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| |
| const char* status = |
| read_file(&src, "test/data/artificial/gif-pixel-data-too-much.gif"); |
| if (status) { |
| return status; |
| } |
| |
| return do_test_wuffs_gif_decode_expecting( |
| src, 0, wuffs_base__error__too_much_data, false); |
| } |
| |
| const char* test_wuffs_gif_decode_pixel_data_too_much_with_quirk() { |
| CHECK_FOCUS(__func__); |
| |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| |
| const char* status = |
| read_file(&src, "test/data/artificial/gif-pixel-data-too-much.gif"); |
| if (status) { |
| return status; |
| } |
| |
| return do_test_wuffs_gif_decode_expecting( |
| src, wuffs_gif__quirk_ignore_too_much_pixel_data, NULL, false); |
| } |
| |
| const char* test_wuffs_gif_frame_dirty_rect() { |
| CHECK_FOCUS(__func__); |
| |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| |
| const char* status = read_file(&src, "test/data/hippopotamus.interlaced.gif"); |
| if (status) { |
| return status; |
| } |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("initialize: \"%s\"", status); |
| } |
| |
| wuffs_base__image_config ic = ((wuffs_base__image_config){}); |
| status = wuffs_gif__decoder__decode_image_config( |
| &dec, &ic, wuffs_base__io_buffer__reader(&src)); |
| if (status) { |
| RETURN_FAIL("decode_image_config: \"%s\"", status); |
| } |
| |
| wuffs_base__pixel_buffer pb = ((wuffs_base__pixel_buffer){}); |
| status = wuffs_base__pixel_buffer__set_from_slice(&pb, &ic.pixcfg, |
| global_pixel_slice); |
| if (status) { |
| RETURN_FAIL("set_from_slice: \"%s\"", status); |
| } |
| |
| // The hippopotamus.interlaced.gif image is 28 pixels high. As we decode rows |
| // of pixels, interlacing means that we decode rows 0, 8, 16, 24, 4, 12, 20, |
| // 2, 6, 10, ..., 22, 26, 1, 3, 5, ..., 25, 27. As we progress, the dirty |
| // rect's max_excl_y should be one more than the highest decoded row so far. |
| // If we haven't decoded any rows yet, max_excl_y should be zero. |
| uint32_t wants[7] = {0, 1, 9, 17, 25, 27, 28}; |
| int i = 0; |
| |
| while (true) { |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| set_reader_limit(&src_reader, 1); |
| status = wuffs_gif__decoder__decode_frame(&dec, &pb, src_reader, |
| global_work_slice, NULL); |
| |
| wuffs_base__rect_ie_u32 r = wuffs_gif__decoder__frame_dirty_rect(&dec); |
| if ((i < WUFFS_TESTLIB_ARRAY_SIZE(wants)) && (wants[i] == r.max_excl_y)) { |
| i++; |
| } |
| |
| if (!status) { |
| break; |
| } else if (status != wuffs_base__suspension__short_read) { |
| RETURN_FAIL("decode_frame: \"%s\"", status); |
| } |
| } |
| |
| if (i != WUFFS_TESTLIB_ARRAY_SIZE(wants)) { |
| RETURN_FAIL("i: got %d, want %d", i, |
| (int)(WUFFS_TESTLIB_ARRAY_SIZE(wants))); |
| } |
| return NULL; |
| } |
| |
| const char* do_test_wuffs_gif_num_decoded(bool frame_config) { |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| |
| const char* status = read_file(&src, "test/data/animated-red-blue.gif"); |
| if (status) { |
| return status; |
| } |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("initialize: \"%s\"", status); |
| } |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| |
| wuffs_base__pixel_buffer pb = ((wuffs_base__pixel_buffer){}); |
| if (!frame_config) { |
| wuffs_base__image_config ic = ((wuffs_base__image_config){}); |
| status = wuffs_gif__decoder__decode_image_config(&dec, &ic, src_reader); |
| if (status) { |
| RETURN_FAIL("decode_image_config: \"%s\"", status); |
| } |
| |
| status = wuffs_base__pixel_buffer__set_from_slice(&pb, &ic.pixcfg, |
| global_pixel_slice); |
| if (status) { |
| RETURN_FAIL("set_from_slice: \"%s\"", status); |
| } |
| } |
| |
| const char* method = frame_config ? "decode_frame_config" : "decode_frame"; |
| bool end_of_data = false; |
| uint64_t want = 0; |
| while (true) { |
| uint64_t got = |
| frame_config |
| ? (uint64_t)(wuffs_gif__decoder__num_decoded_frame_configs(&dec)) |
| : (uint64_t)(wuffs_gif__decoder__num_decoded_frames(&dec)); |
| if (got != want) { |
| RETURN_FAIL("num_%ss: got %" PRIu64 ", want %" PRIu64, method, got, want); |
| } |
| |
| if (end_of_data) { |
| break; |
| } |
| |
| const char* status = NULL; |
| if (frame_config) { |
| status = wuffs_gif__decoder__decode_frame_config(&dec, NULL, src_reader); |
| } else { |
| status = wuffs_gif__decoder__decode_frame(&dec, &pb, src_reader, |
| global_work_slice, NULL); |
| } |
| |
| if (!status) { |
| want++; |
| } else if (status == wuffs_base__warning__end_of_data) { |
| end_of_data = true; |
| } else { |
| RETURN_FAIL("%s: \"%s\"", method, status); |
| } |
| } |
| |
| if (want != 4) { |
| RETURN_FAIL("%s: got %" PRIu64 ", want 4", method, want); |
| } |
| return NULL; |
| } |
| |
| const char* test_wuffs_gif_num_decoded_frame_configs() { |
| CHECK_FOCUS(__func__); |
| return do_test_wuffs_gif_num_decoded(true); |
| } |
| |
| const char* test_wuffs_gif_num_decoded_frames() { |
| CHECK_FOCUS(__func__); |
| return do_test_wuffs_gif_num_decoded(false); |
| } |
| |
| const char* do_test_wuffs_gif_io_position(bool chunked) { |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| const char* status = read_file(&src, "test/data/animated-red-blue.gif"); |
| if (status) { |
| return status; |
| } |
| |
| wuffs_gif__decoder dec; |
| status = wuffs_gif__decoder__initialize( |
| &dec, sizeof dec, WUFFS_VERSION, |
| WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED); |
| if (status) { |
| RETURN_FAIL("initialize: \"%s\"", status); |
| } |
| |
| wuffs_base__io_reader src_reader = wuffs_base__io_buffer__reader(&src); |
| |
| if (chunked) { |
| if (src.meta.wi < 50) { |
| RETURN_FAIL("src is too short"); |
| } |
| size_t saved_wi = src.meta.wi; |
| bool saved_closed = src.meta.closed; |
| src.meta.wi = 30; |
| src.meta.closed = false; |
| |
| status = wuffs_gif__decoder__decode_image_config(&dec, NULL, src_reader); |
| if (status != wuffs_base__suspension__short_read) { |
| RETURN_FAIL("decode_image_config (chunked): \"%s\"", status); |
| } |
| |
| src.meta.wi = saved_wi; |
| src.meta.closed = saved_closed; |
| |
| if (src.meta.pos != 0) { |
| RETURN_FAIL("src.meta.pos: got %" PRIu64 ", want zero", src.meta.pos); |
| } |
| wuffs_base__io_buffer__compact(&src); |
| if (src.meta.pos == 0) { |
| RETURN_FAIL("src.meta.pos: got %" PRIu64 ", want non-zero", src.meta.pos); |
| } |
| } |
| |
| status = wuffs_gif__decoder__decode_image_config(&dec, NULL, src_reader); |
| if (status) { |
| RETURN_FAIL("decode_image_config: \"%s\"", status); |
| } |
| |
| wuffs_base__frame_config fcs[4]; |
| uint32_t width_wants[4] = {64, 37, 49, 49}; |
| uint64_t pos_wants[4] = {781, 2126, 2187, 2542}; |
| int i; |
| for (i = 0; i < 4; i++) { |
| fcs[i] = ((wuffs_base__frame_config){}); |
| status = wuffs_gif__decoder__decode_frame_config(&dec, &fcs[i], src_reader); |
| if (status) { |
| RETURN_FAIL("decode_frame_config #%d: \"%s\"", i, status); |
| } |
| |
| uint64_t index_got = wuffs_base__frame_config__index(&fcs[i]); |
| uint64_t index_want = i; |
| if (index_got != index_want) { |
| RETURN_FAIL("index #%d: got %" PRIu64 ", want %" PRIu64, i, index_got, |
| index_want); |
| } |
| |
| uint32_t width_got = wuffs_base__frame_config__width(&fcs[i]); |
| uint32_t width_want = width_wants[i]; |
| if (width_got != width_want) { |
| RETURN_FAIL("width #%d: got %" PRIu32 ", want %" PRIu32, i, width_got, |
| width_want); |
| } |
| |
| uint64_t pos_got = wuffs_base__frame_config__io_position(&fcs[i]); |
| uint64_t pos_want = pos_wants[i]; |
| if (pos_got != pos_want) { |
| RETURN_FAIL("io_position #%d: got %" PRIu64 ", want %" PRIu64, i, pos_got, |
| pos_want); |
| } |
| |
| // Look for the 0x21 byte that's a GIF's Extension Introducer. Not every |
| // GIF's frame_config's I/O position will point to 0x21, as an 0x2C Image |
| // Separator is also valid. But for animated-red-blue.gif, it'll be 0x21. |
| if (pos_got < src.meta.pos) { |
| RETURN_FAIL("io_position #%d: got %" PRIu64 ", was too small", i, |
| pos_got); |
| } |
| uint64_t src_ptr_offset = pos_got - src.meta.pos; |
| if (src_ptr_offset >= src.meta.wi) { |
| RETURN_FAIL("io_position #%d: got %" PRIu64 ", was too large", i, |
| pos_got); |
| } |
| uint8_t x = src.data.ptr[src_ptr_offset]; |
| if (x != 0x21) { |
| RETURN_FAIL("Image Descriptor byte #%d: got 0x%02X, want 0x2C", i, |
| (int)x); |
| } |
| } |
| |
| status = wuffs_gif__decoder__decode_frame_config(&dec, NULL, src_reader); |
| if (status != wuffs_base__warning__end_of_data) { |
| RETURN_FAIL("decode_frame_config EOD: \"%s\"", status); |
| } |
| |
| // If we're chunked, we've discarded some source bytes due to an earlier |
| // wuffs_base__io_buffer__compact call. We won't bother testing |
| // wuffs_gif__decoder__restart_frame in that case. |
| if (chunked) { |
| return NULL; |
| } |
| |
| for (i = 0; i < 4; i++) { |
| src.meta.ri = pos_wants[i]; |
| |
| status = wuffs_gif__decoder__restart_frame( |
| &dec, i, wuffs_base__frame_config__io_position(&fcs[i])); |
| if (status) { |
| RETURN_FAIL("restart_frame #%d: \"%s\"", i, status); |
| } |
| |
| int j; |
| for (j = i; j < 4; j++) { |
| wuffs_base__frame_config fc = ((wuffs_base__frame_config){}); |
| status = wuffs_gif__decoder__decode_frame_config(&dec, &fc, src_reader); |
| if (status) { |
| RETURN_FAIL("decode_frame_config #%d, #%d: \"%s\"", i, j, status); |
| } |
| |
| uint64_t index_got = wuffs_base__frame_config__index(&fc); |
| uint64_t index_want = j; |
| if (index_got != index_want) { |
| RETURN_FAIL("index #%d, #%d: got %" PRIu64 ", want %" PRIu64, i, j, |
| index_got, index_want); |
| } |
| |
| uint32_t width_got = wuffs_base__frame_config__width(&fc); |
| uint32_t width_want = width_wants[j]; |
| if (width_got != width_want) { |
| RETURN_FAIL("width #%d, #%d: got %" PRIu32 ", want %" PRIu32, i, j, |
| width_got, width_want); |
| } |
| } |
| |
| status = wuffs_gif__decoder__decode_frame_config(&dec, NULL, src_reader); |
| if (status != wuffs_base__warning__end_of_data) { |
| RETURN_FAIL("decode_frame_config EOD #%d: \"%s\"", i, status); |
| } |
| } |
| |
| return NULL; |
| } |
| |
| const char* test_wuffs_gif_io_position_one_chunk() { |
| CHECK_FOCUS(__func__); |
| return do_test_wuffs_gif_io_position(false); |
| } |
| |
| const char* test_wuffs_gif_io_position_two_chunks() { |
| CHECK_FOCUS(__func__); |
| return do_test_wuffs_gif_io_position(true); |
| } |
| |
| // ---------------- Mimic Tests |
| |
| #ifdef WUFFS_MIMIC |
| |
| const char* do_test_mimic_gif_decode(const char* filename) { |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| const char* status = read_file(&src, filename); |
| if (status) { |
| return status; |
| } |
| |
| src.meta.ri = 0; |
| wuffs_base__io_buffer got = ((wuffs_base__io_buffer){ |
| .data = global_got_slice, |
| }); |
| status = wuffs_gif_decode( |
| &got, 0, WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, &src); |
| if (status) { |
| return status; |
| } |
| |
| src.meta.ri = 0; |
| wuffs_base__io_buffer want = ((wuffs_base__io_buffer){ |
| .data = global_want_slice, |
| }); |
| status = mimic_gif_decode( |
| &want, 0, WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, &src); |
| if (status) { |
| return status; |
| } |
| |
| status = check_io_buffers_equal("", &got, &want); |
| if (status) { |
| return status; |
| } |
| |
| // TODO: check the palette RGB values, not just the palette indexes |
| // (pixels). |
| |
| return NULL; |
| } |
| |
| const char* test_mimic_gif_decode_animated_small() { |
| CHECK_FOCUS(__func__); |
| return do_test_mimic_gif_decode("test/data/animated-red-blue.gif"); |
| } |
| |
| const char* test_mimic_gif_decode_bricks_dither() { |
| CHECK_FOCUS(__func__); |
| return do_test_mimic_gif_decode("test/data/bricks-dither.gif"); |
| } |
| |
| const char* test_mimic_gif_decode_bricks_gray() { |
| CHECK_FOCUS(__func__); |
| return do_test_mimic_gif_decode("test/data/bricks-gray.gif"); |
| } |
| |
| const char* test_mimic_gif_decode_bricks_nodither() { |
| CHECK_FOCUS(__func__); |
| return do_test_mimic_gif_decode("test/data/bricks-nodither.gif"); |
| } |
| |
| const char* test_mimic_gif_decode_gifplayer_muybridge() { |
| CHECK_FOCUS(__func__); |
| return do_test_mimic_gif_decode("test/data/gifplayer-muybridge.gif"); |
| } |
| |
| const char* test_mimic_gif_decode_harvesters() { |
| CHECK_FOCUS(__func__); |
| return do_test_mimic_gif_decode("test/data/harvesters.gif"); |
| } |
| |
| const char* test_mimic_gif_decode_hat() { |
| CHECK_FOCUS(__func__); |
| return do_test_mimic_gif_decode("test/data/hat.gif"); |
| } |
| |
| const char* test_mimic_gif_decode_hibiscus_primitive() { |
| CHECK_FOCUS(__func__); |
| return do_test_mimic_gif_decode("test/data/hibiscus.primitive.gif"); |
| } |
| |
| const char* test_mimic_gif_decode_hibiscus_regular() { |
| CHECK_FOCUS(__func__); |
| return do_test_mimic_gif_decode("test/data/hibiscus.regular.gif"); |
| } |
| |
| const char* test_mimic_gif_decode_hippopotamus_interlaced() { |
| CHECK_FOCUS(__func__); |
| return do_test_mimic_gif_decode("test/data/hippopotamus.interlaced.gif"); |
| } |
| |
| const char* test_mimic_gif_decode_hippopotamus_regular() { |
| CHECK_FOCUS(__func__); |
| return do_test_mimic_gif_decode("test/data/hippopotamus.regular.gif"); |
| } |
| |
| const char* test_mimic_gif_decode_muybridge() { |
| CHECK_FOCUS(__func__); |
| return do_test_mimic_gif_decode("test/data/muybridge.gif"); |
| } |
| |
| const char* test_mimic_gif_decode_pjw_thumbnail() { |
| CHECK_FOCUS(__func__); |
| return do_test_mimic_gif_decode("test/data/pjw-thumbnail.gif"); |
| } |
| |
| #endif // WUFFS_MIMIC |
| |
| // ---------------- GIF Benches |
| |
| const char* do_bench_gif_decode( |
| const char* (*decode_func)(wuffs_base__io_buffer*, |
| uint32_t wuffs_initialize_flags, |
| wuffs_base__pixel_format, |
| wuffs_base__io_buffer*), |
| uint32_t wuffs_initialize_flags, |
| const char* filename, |
| wuffs_base__pixel_format pixfmt, |
| uint64_t iters_unscaled) { |
| wuffs_base__io_buffer got = ((wuffs_base__io_buffer){ |
| .data = global_got_slice, |
| }); |
| wuffs_base__io_buffer src = ((wuffs_base__io_buffer){ |
| .data = global_src_slice, |
| }); |
| |
| const char* status = read_file(&src, filename); |
| if (status) { |
| return status; |
| } |
| |
| bench_start(); |
| uint64_t n_bytes = 0; |
| uint64_t i; |
| uint64_t iters = iters_unscaled * iterscale; |
| for (i = 0; i < iters; i++) { |
| got.meta.wi = 0; |
| src.meta.ri = 0; |
| status = decode_func(&got, wuffs_initialize_flags, pixfmt, &src); |
| if (status) { |
| return status; |
| } |
| n_bytes += got.meta.wi; |
| } |
| bench_finish(iters, n_bytes); |
| return NULL; |
| } |
| |
| const char* bench_wuffs_gif_decode_1k_bw() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode( |
| wuffs_gif_decode, WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED, |
| "test/data/pjw-thumbnail.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, 2000); |
| } |
| |
| const char* bench_wuffs_gif_decode_1k_color_full_init() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode( |
| wuffs_gif_decode, WUFFS_INITIALIZE__DEFAULT_OPTIONS, |
| "test/data/hippopotamus.regular.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, 1000); |
| } |
| |
| const char* bench_wuffs_gif_decode_1k_color_part_init() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode( |
| wuffs_gif_decode, WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED, |
| "test/data/hippopotamus.regular.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, 1000); |
| } |
| |
| const char* bench_wuffs_gif_decode_10k_bgra() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode( |
| wuffs_gif_decode, WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED, |
| "test/data/hat.gif", WUFFS_BASE__PIXEL_FORMAT__BGRA_NONPREMUL, 100); |
| } |
| |
| const char* bench_wuffs_gif_decode_10k_indexed() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode( |
| wuffs_gif_decode, WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED, |
| "test/data/hat.gif", WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, 100); |
| } |
| |
| const char* bench_wuffs_gif_decode_20k() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode( |
| wuffs_gif_decode, WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED, |
| "test/data/bricks-gray.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, 50); |
| } |
| |
| const char* bench_wuffs_gif_decode_100k_artificial() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode( |
| wuffs_gif_decode, WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED, |
| "test/data/hibiscus.primitive.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, 15); |
| } |
| |
| const char* bench_wuffs_gif_decode_100k_realistic() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode( |
| wuffs_gif_decode, WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED, |
| "test/data/hibiscus.regular.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, 10); |
| } |
| |
| const char* bench_wuffs_gif_decode_1000k_full_init() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode(wuffs_gif_decode, |
| WUFFS_INITIALIZE__DEFAULT_OPTIONS, |
| "test/data/harvesters.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, 1); |
| } |
| |
| const char* bench_wuffs_gif_decode_1000k_part_init() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode( |
| wuffs_gif_decode, WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED, |
| "test/data/harvesters.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, 1); |
| } |
| |
| const char* bench_wuffs_gif_decode_anim_screencap() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode( |
| wuffs_gif_decode, WUFFS_INITIALIZE__LEAVE_INTERNAL_BUFFERS_UNINITIALIZED, |
| "test/data/gifplayer-muybridge.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, 1); |
| } |
| |
| // ---------------- Mimic Benches |
| |
| #ifdef WUFFS_MIMIC |
| |
| const char* bench_mimic_gif_decode_1k_bw() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode(mimic_gif_decode, 0, "test/data/pjw-thumbnail.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, |
| 2000); |
| } |
| |
| const char* bench_mimic_gif_decode_1k_color() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode( |
| mimic_gif_decode, 0, "test/data/hippopotamus.regular.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, 1000); |
| } |
| |
| const char* bench_mimic_gif_decode_10k_indexed() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode(mimic_gif_decode, 0, "test/data/hat.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, |
| 100); |
| } |
| |
| const char* bench_mimic_gif_decode_20k() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode(mimic_gif_decode, 0, "test/data/bricks-gray.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, |
| 50); |
| } |
| |
| const char* bench_mimic_gif_decode_100k_artificial() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode( |
| mimic_gif_decode, 0, "test/data/hibiscus.primitive.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, 15); |
| } |
| |
| const char* bench_mimic_gif_decode_100k_realistic() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode( |
| mimic_gif_decode, 0, "test/data/hibiscus.regular.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, 10); |
| } |
| |
| const char* bench_mimic_gif_decode_1000k() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode(mimic_gif_decode, 0, "test/data/harvesters.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, 1); |
| } |
| |
| const char* bench_mimic_gif_decode_anim_screencap() { |
| CHECK_FOCUS(__func__); |
| return do_bench_gif_decode(mimic_gif_decode, 0, |
| "test/data/gifplayer-muybridge.gif", |
| WUFFS_BASE__PIXEL_FORMAT__INDEXED__BGRA_BINARY, 1); |
| } |
| |
| #endif // WUFFS_MIMIC |
| |
| // ---------------- Manifest |
| |
| // The empty comments forces clang-format to place one element per line. |
| proc tests[] = { |
| |
| // These basic tests are really testing the Wuffs compiler. They aren't |
| // specific to the std/gif code, but putting them here is as good as any |
| // other place. |
| test_basic_bad_receiver, // |
| test_basic_bad_sizeof_receiver, // |
| test_basic_bad_wuffs_version, // |
| test_basic_initialize_not_called, // |
| test_basic_status_is_error, // |
| test_basic_status_strings, // |
| test_basic_status_used_package, // |
| test_basic_sub_struct_initializer, // |
| |
| test_wuffs_gif_call_interleaved, // |
| test_wuffs_gif_call_sequence, // |
| test_wuffs_gif_decode_animated_big, // |
| test_wuffs_gif_decode_animated_medium, // |
| test_wuffs_gif_decode_animated_small, // |
| test_wuffs_gif_decode_background_color, // |
| test_wuffs_gif_decode_bgra_nonpremul, // |
| test_wuffs_gif_decode_delay_num_frames_decoded, // |
| test_wuffs_gif_decode_empty_palette, // |
| test_wuffs_gif_decode_first_frame_is_opaque, // |
| test_wuffs_gif_decode_frame_out_of_bounds, // |
| test_wuffs_gif_decode_input_is_a_gif_just_one_read, // |
| test_wuffs_gif_decode_input_is_a_gif_many_big_reads, // |
| test_wuffs_gif_decode_input_is_a_gif_many_medium_reads, // |
| test_wuffs_gif_decode_input_is_a_gif_many_small_reads, // |
| test_wuffs_gif_decode_input_is_a_png, // |
| test_wuffs_gif_decode_metadata, // |
| test_wuffs_gif_decode_missing_two_src_bytes, // |
| test_wuffs_gif_decode_multiple_graphic_controls, // |
| test_wuffs_gif_decode_multiple_loop_counts, // |
| test_wuffs_gif_decode_pixel_data_none, // |
| test_wuffs_gif_decode_pixel_data_not_enough, // |
| test_wuffs_gif_decode_pixel_data_too_much_sans_quirk, // |
| test_wuffs_gif_decode_pixel_data_too_much_with_quirk, // |
| test_wuffs_gif_decode_zero_width_frame, // |
| test_wuffs_gif_frame_dirty_rect, // |
| test_wuffs_gif_num_decoded_frame_configs, // |
| test_wuffs_gif_num_decoded_frames, // |
| test_wuffs_gif_io_position_one_chunk, // |
| test_wuffs_gif_io_position_two_chunks, // |
| |
| #ifdef WUFFS_MIMIC |
| |
| test_mimic_gif_decode_animated_small, // |
| test_mimic_gif_decode_bricks_dither, // |
| test_mimic_gif_decode_bricks_gray, // |
| test_mimic_gif_decode_bricks_nodither, // |
| test_mimic_gif_decode_gifplayer_muybridge, // |
| test_mimic_gif_decode_harvesters, // |
| test_mimic_gif_decode_hat, // |
| test_mimic_gif_decode_hibiscus_primitive, // |
| test_mimic_gif_decode_hibiscus_regular, // |
| test_mimic_gif_decode_hippopotamus_interlaced, // |
| test_mimic_gif_decode_hippopotamus_regular, // |
| test_mimic_gif_decode_muybridge, // |
| test_mimic_gif_decode_pjw_thumbnail, // |
| |
| #endif // WUFFS_MIMIC |
| |
| NULL, |
| }; |
| |
| // The empty comments forces clang-format to place one element per line. |
| proc benches[] = { |
| |
| bench_wuffs_gif_decode_1k_bw, // |
| bench_wuffs_gif_decode_1k_color_full_init, // |
| bench_wuffs_gif_decode_1k_color_part_init, // |
| bench_wuffs_gif_decode_10k_bgra, // |
| bench_wuffs_gif_decode_10k_indexed, // |
| bench_wuffs_gif_decode_20k, // |
| bench_wuffs_gif_decode_100k_artificial, // |
| bench_wuffs_gif_decode_100k_realistic, // |
| bench_wuffs_gif_decode_1000k_full_init, // |
| bench_wuffs_gif_decode_1000k_part_init, // |
| bench_wuffs_gif_decode_anim_screencap, // |
| |
| #ifdef WUFFS_MIMIC |
| |
| bench_mimic_gif_decode_1k_bw, // |
| bench_mimic_gif_decode_1k_color, // |
| bench_mimic_gif_decode_10k_indexed, // |
| bench_mimic_gif_decode_20k, // |
| bench_mimic_gif_decode_100k_artificial, // |
| bench_mimic_gif_decode_100k_realistic, // |
| bench_mimic_gif_decode_1000k, // |
| bench_mimic_gif_decode_anim_screencap, // |
| |
| #endif // WUFFS_MIMIC |
| |
| NULL, |
| }; |
| |
| int main(int argc, char** argv) { |
| proc_package_name = "std/gif"; |
| return test_main(argc, argv, tests, benches); |
| } |
