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Bug 1855550 - VP8: disallow thread count changes. r=jesup, a=dsmith

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Cherry-pick of upstream libvpx commits:
af6dedd715
3fbd1dca6a

Differential Revision: https://phabricator.services.mozilla.com/D189428
This commit is contained in:
Ryan VanderMeulen 2023-09-27 23:12:23 +00:00
parent e90c526730
commit 55bff5a718
2 changed files with 51 additions and 1 deletions
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46
media/libvpx/libvpx/test/encode_api_test.cc
View File

@ -307,7 +307,6 @@ TEST(EncodeAPI, SetRoi) {
void InitCodec(const vpx_codec_iface_t &iface, int width, int height,
vpx_codec_ctx_t *enc, vpx_codec_enc_cfg_t *cfg) {
ASSERT_EQ(vpx_codec_enc_config_default(&iface, cfg, 0), VPX_CODEC_OK);
cfg->g_w = width;
cfg->g_h = height;
cfg->g_lag_in_frames = 0;
@ -345,6 +344,7 @@ TEST(EncodeAPI, ConfigChangeThreadCount) {
vpx_codec_ctx_t ctx = {};
} enc;
ASSERT_EQ(vpx_codec_enc_config_default(iface, &cfg, 0), VPX_CODEC_OK);
EXPECT_NO_FATAL_FAILURE(
InitCodec(*iface, kWidth, kHeight, &enc.ctx, &cfg));
if (IsVP9(iface)) {
@ -363,6 +363,50 @@ TEST(EncodeAPI, ConfigChangeThreadCount) {
}
}
TEST(EncodeAPI, ConfigResizeChangeThreadCount) {
constexpr int kInitWidth = 1024;
constexpr int kInitHeight = 1024;
for (const auto *iface : kCodecIfaces) {
SCOPED_TRACE(vpx_codec_iface_name(iface));
for (int i = 0; i < (IsVP9(iface) ? 2 : 1); ++i) {
vpx_codec_enc_cfg_t cfg = {};
struct Encoder {
~Encoder() { EXPECT_EQ(vpx_codec_destroy(&ctx), VPX_CODEC_OK); }
vpx_codec_ctx_t ctx = {};
} enc;
ASSERT_EQ(vpx_codec_enc_config_default(iface, &cfg, 0), VPX_CODEC_OK);
// Start in threaded mode to ensure resolution and thread related
// allocations are updated correctly across changes in resolution and
// thread counts. See https://crbug.com/1486441.
cfg.g_threads = 4;
EXPECT_NO_FATAL_FAILURE(
InitCodec(*iface, kInitWidth, kInitHeight, &enc.ctx, &cfg));
if (IsVP9(iface)) {
EXPECT_EQ(vpx_codec_control_(&enc.ctx, VP9E_SET_TILE_COLUMNS, 6),
VPX_CODEC_OK);
EXPECT_EQ(vpx_codec_control_(&enc.ctx, VP9E_SET_ROW_MT, i),
VPX_CODEC_OK);
}
cfg.g_w = 1000;
cfg.g_h = 608;
EXPECT_EQ(vpx_codec_enc_config_set(&enc.ctx, &cfg), VPX_CODEC_OK)
<< vpx_codec_error_detail(&enc.ctx);
cfg.g_w = 16;
cfg.g_h = 720;
for (const auto threads : { 1, 4, 8, 6, 2, 1 }) {
cfg.g_threads = threads;
EXPECT_NO_FATAL_FAILURE(EncodeWithConfig(cfg, &enc.ctx))
<< "iteration: " << i << " threads: " << threads;
}
}
}
}
#if CONFIG_VP9_ENCODER
class EncodeApiGetTplStatsTest
: public ::libvpx_test::EncoderTest,

6
media/libvpx/libvpx/vp8/encoder/onyx_if.c
View File

@ -1447,6 +1447,12 @@ void vp8_change_config(VP8_COMP *cpi, VP8_CONFIG *oxcf) {
last_h = cpi->oxcf.Height;
prev_number_of_layers = cpi->oxcf.number_of_layers;
if (cpi->initial_width) {
// TODO(https://crbug.com/1486441): Allow changing thread counts; the
// allocation is done once in vp8_create_compressor().
oxcf->multi_threaded = cpi->oxcf.multi_threaded;
}
cpi->oxcf = *oxcf;
switch (cpi->oxcf.Mode) {