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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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103
dom/media/gtest/TestVPXDecoding.cpp Normal file
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gtest/gtest.h"
#include "mozilla/ArrayUtils.h"
#include "nsTArray.h"
#include "VPXDecoder.h"
#include <stdio.h>
using namespace mozilla;
static void
ReadVPXFile(const char* aPath, nsTArray<uint8_t>& aBuffer)
{
FILE* f = fopen(aPath, "rb");
ASSERT_NE(f, (FILE *) nullptr);
int r = fseek(f, 0, SEEK_END);
ASSERT_EQ(r, 0);
long size = ftell(f);
ASSERT_NE(size, -1);
aBuffer.SetLength(size);
r = fseek(f, 0, SEEK_SET);
ASSERT_EQ(r, 0);
size_t got = fread(aBuffer.Elements(), 1, size, f);
ASSERT_EQ(got, size_t(size));
r = fclose(f);
ASSERT_EQ(r, 0);
}
static
vpx_codec_iface_t*
ParseIVFConfig(nsTArray<uint8_t>& data, vpx_codec_dec_cfg_t& config)
{
if (data.Length() < 32 + 12) {
// Not enough data for file & first frame headers.
return nullptr;
}
if (data[0] != 'D' || data[1] != 'K' || data[2] != 'I' || data[3] != 'F') {
// Expect 'DKIP'
return nullptr;
}
if (data[4] != 0 || data[5] != 0) {
// Expect version==0.
return nullptr;
}
if (data[8] != 'V' || data[9] != 'P'
|| (data[10] != '8' && data[10] != '9')
|| data[11] != '0') {
// Expect 'VP80' or 'VP90'.
return nullptr;
}
config.w = uint32_t(data[12]) || (uint32_t(data[13]) << 8);
config.h = uint32_t(data[14]) || (uint32_t(data[15]) << 8);
vpx_codec_iface_t* codec = (data[10] == '8')
? vpx_codec_vp8_dx()
: vpx_codec_vp9_dx();
// Remove headers, to just leave raw VPx data to be decoded.
data.RemoveElementsAt(0, 32 + 12);
return codec;
}
struct TestFileData {
const char* mFilename;
vpx_codec_err_t mDecodeResult;
};
static const TestFileData testFiles[] = {
{ "test_case_1224361.vp8.ivf", VPX_CODEC_OK },
{ "test_case_1224363.vp8.ivf", VPX_CODEC_CORRUPT_FRAME },
{ "test_case_1224369.vp8.ivf", VPX_CODEC_CORRUPT_FRAME }
};
TEST(libvpx, test_cases)
{
for (size_t test = 0; test < ArrayLength(testFiles); ++test) {
nsTArray<uint8_t> data;
ReadVPXFile(testFiles[test].mFilename, data);
ASSERT_GT(data.Length(), 0u);
vpx_codec_dec_cfg_t config;
vpx_codec_iface_t* dx = ParseIVFConfig(data, config);
ASSERT_TRUE(dx);
config.threads = 2;
vpx_codec_ctx_t ctx;
PodZero(&ctx);
vpx_codec_err_t r = vpx_codec_dec_init(&ctx, dx, &config, 0);
ASSERT_EQ(VPX_CODEC_OK, r);
r = vpx_codec_decode(&ctx, data.Elements(), data.Length(), nullptr, 0);
// This test case is known to be corrupt.
EXPECT_EQ(testFiles[test].mDecodeResult, r);
r = vpx_codec_destroy(&ctx);
EXPECT_EQ(VPX_CODEC_OK, r);
}
}