VaApi::VaApi() {
init = true;
auto xdpy = QX11Info::display();
VADisplay display = m_display = vaGetDisplayGLX(xdpy);
if (!check(display ? VA_STATUS_SUCCESS : VA_STATUS_ERROR_UNIMPLEMENTED, "Cannot create VADisplay."))
return;
int major, minor;
if (!check(vaInitialize(m_display, &major, &minor), "Cannot initialize VA-API."))
return;
auto size = vaMaxNumProfiles(display);
m_profiles.resize(size);
if (!check(vaQueryConfigProfiles(display, m_profiles.data(), &size), "No available profiles."))
return;
m_profiles.resize(size);
for (auto profile : m_profiles) {
int size = vaMaxNumEntrypoints(display);
QVector<VAEntrypoint> entries(size);
if (!isSuccess(vaQueryConfigEntrypoints(display, profile, entries.data(), &size)))
continue;
entries.resize(size);
m_entries.insert(profile, entries);
}
initCodecs();
#ifdef USE_VAVPP
initFilters();
#endif
_Debug("VA-API is initialized.");
ok = true;
}
static bool
IsEntrypointAvailable(VADisplay dpy, VAProfile i_profile,
VAEntrypoint entrypoint)
{
VAEntrypoint * entrypoints;
int num_entrypoints = vaMaxNumEntrypoints(dpy);
bool ret = false;
if (num_entrypoints <= 0)
return false;
entrypoints = vlc_alloc(num_entrypoints, sizeof(VAEntrypoint));
if (!entrypoints)
return false;
VAStatus status =
vaQueryConfigEntrypoints(dpy, i_profile, entrypoints, &num_entrypoints);
if (status != VA_STATUS_SUCCESS)
goto error;
for (int i = 0; i < num_entrypoints; ++i)
if (entrypoint == entrypoints[i])
{
ret = true;
break;
}
error:
free(entrypoints);
return ret;
}
static int has_entrypoint(VAAPIContext *vaapi, VAProfile profile, VAEntrypoint entrypoint)
{
VAStatus status;
int i;
if (!vaapi->entrypoints || vaapi->n_entrypoints == 0) {
vaapi->entrypoints = calloc(vaMaxNumEntrypoints(vaapi->display), sizeof(vaapi->entrypoints[0]));
status = vaQueryConfigEntrypoints(vaapi->display, profile,
vaapi->entrypoints,
&vaapi->n_entrypoints);
if (!vaapi_check_status(status, "vaQueryConfigEntrypoints()"))
return 0;
D(bug("%d entrypoints available for %s\n", vaapi->n_entrypoints,
string_of_VAProfile(profile)));
for (i = 0; i < vaapi->n_entrypoints; i++)
D(bug(" %s\n", string_of_VAEntrypoint(vaapi->entrypoints[i])));
}
for (i = 0; i < vaapi->n_entrypoints; i++) {
if (vaapi->entrypoints[i] == entrypoint)
return 1;
}
return 0;
}
bool VAAPIContext::InitProfiles(void)
{
if (!(codec_is_vaapi_hw(m_codec)) || !m_ctx.display)
return false;
MythXLocker locker(m_display->m_x_disp);
int max_profiles, max_entrypoints;
VAProfile profile_wanted = preferredProfile(m_codec);
if (profile_wanted == VAProfileMPEG2Simple)
{
LOG(VB_PLAYBACK, LOG_ERR, LOC + "Codec is not supported.");
return false;
}
VAProfile profile_found = VAProfileMPEG2Simple; // unsupported value
VAEntrypoint entry_found = VAEntrypointEncSlice; // unsupported value
max_profiles = vaMaxNumProfiles(m_ctx.display);
max_entrypoints = vaMaxNumEntrypoints(m_ctx.display);
VAProfile *profiles = new VAProfile[max_profiles];
VAEntrypoint *entries = new VAEntrypoint[max_entrypoints];
static bool debugged = false;
if (profiles && entries)
{
INIT_ST;
int act_profiles, act_entries;
va_status = vaQueryConfigProfiles(m_ctx.display,
profiles,
&act_profiles);
CHECK_ST;
if (ok && act_profiles > 0)
{
for (int i = 0; i < act_profiles; i++)
{
va_status = vaQueryConfigEntrypoints(m_ctx.display,
profiles[i],
entries,
&act_entries);
if (va_status == VA_STATUS_SUCCESS && act_entries > 0)
{
if (profiles[i] == profile_wanted)
{
profile_found = profile_wanted;
for (int j = 0; j < act_entries; j++)
if (entries[j] < entry_found)
entry_found = entries[j];
}
if (!debugged)
{
QString entrylist = "Entrypoints: ";
for (int j = 0; j < act_entries; j++)
entrylist += entryToString(entries[j]);
LOG(VB_GENERAL, LOG_INFO, LOC +
QString("Profile: %1 %2")
.arg(profileToString(profiles[i]))
.arg(entrylist));
}
}
}
}
debugged = true;
}
delete [] profiles;
delete [] entries;
LOG(VB_PLAYBACK, LOG_INFO, LOC + QString("Desired profile for '%1': %2")
.arg(toString(m_codec)).arg(profileToString(profile_wanted)));
LOG(VB_PLAYBACK, LOG_INFO, LOC + QString("Found profile %1 with entry %2")
.arg(profileToString(profile_found)).arg(entryToString(entry_found)));
if (profile_wanted != profile_found)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to find supported profile.");
return false;
}
if (entry_found > VAEntrypointVLD)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to find suitable entry point.");
return false;
}
m_vaProfile = profile_wanted;
m_vaEntrypoint = entry_found;
if (VAEntrypointVLD == m_vaEntrypoint)
m_pix_fmt = PIX_FMT_VAAPI_VLD;
return true;
}
static av_cold int vaapi_encode_check_config(AVCodecContext *avctx)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
VAStatus vas;
int i, n, err;
VAProfile *profiles = NULL;
VAEntrypoint *entrypoints = NULL;
VAConfigAttrib attr[] = {
{ VAConfigAttribRateControl },
{ VAConfigAttribEncMaxRefFrames },
};
n = vaMaxNumProfiles(ctx->hwctx->display);
profiles = av_malloc_array(n, sizeof(VAProfile));
if (!profiles) {
err = AVERROR(ENOMEM);
goto fail;
}
vas = vaQueryConfigProfiles(ctx->hwctx->display, profiles, &n);
if (vas != VA_STATUS_SUCCESS) {
av_log(ctx, AV_LOG_ERROR, "Failed to query profiles: %d (%s).\n",
vas, vaErrorStr(vas));
err = AVERROR(ENOSYS);
goto fail;
}
for (i = 0; i < n; i++) {
if (profiles[i] == ctx->va_profile)
break;
}
if (i >= n) {
av_log(ctx, AV_LOG_ERROR, "Encoding profile not found (%d).\n",
ctx->va_profile);
err = AVERROR(ENOSYS);
goto fail;
}
n = vaMaxNumEntrypoints(ctx->hwctx->display);
entrypoints = av_malloc_array(n, sizeof(VAEntrypoint));
if (!entrypoints) {
err = AVERROR(ENOMEM);
goto fail;
}
vas = vaQueryConfigEntrypoints(ctx->hwctx->display, ctx->va_profile,
entrypoints, &n);
if (vas != VA_STATUS_SUCCESS) {
av_log(ctx, AV_LOG_ERROR, "Failed to query entrypoints for "
"profile %u: %d (%s).\n", ctx->va_profile,
vas, vaErrorStr(vas));
err = AVERROR(ENOSYS);
goto fail;
}
for (i = 0; i < n; i++) {
if (entrypoints[i] == ctx->va_entrypoint)
break;
}
if (i >= n) {
av_log(ctx, AV_LOG_ERROR, "Encoding entrypoint not found "
"(%d / %d).\n", ctx->va_profile, ctx->va_entrypoint);
err = AVERROR(ENOSYS);
goto fail;
}
vas = vaGetConfigAttributes(ctx->hwctx->display,
ctx->va_profile, ctx->va_entrypoint,
attr, FF_ARRAY_ELEMS(attr));
if (vas != VA_STATUS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "Failed to fetch config "
"attributes: %d (%s).\n", vas, vaErrorStr(vas));
return AVERROR(EINVAL);
}
for (i = 0; i < FF_ARRAY_ELEMS(attr); i++) {
if (attr[i].value == VA_ATTRIB_NOT_SUPPORTED) {
// Unfortunately we have to treat this as "don't know" and hope
// for the best, because the Intel MJPEG encoder returns this
// for all the interesting attributes.
continue;
}
switch (attr[i].type) {
case VAConfigAttribRateControl:
if (!(ctx->va_rc_mode & attr[i].value)) {
av_log(avctx, AV_LOG_ERROR, "Rate control mode is not "
"supported: %x\n", attr[i].value);
err = AVERROR(EINVAL);
goto fail;
}
break;
case VAConfigAttribEncMaxRefFrames:
{
unsigned int ref_l0 = attr[i].value & 0xffff;
unsigned int ref_l1 = (attr[i].value >> 16) & 0xffff;
if (avctx->gop_size > 1 && ref_l0 < 1) {
av_log(avctx, AV_LOG_ERROR, "P frames are not "
"supported (%x).\n", attr[i].value);
err = AVERROR(EINVAL);
goto fail;
}
if (avctx->max_b_frames > 0 && ref_l1 < 1) {
av_log(avctx, AV_LOG_ERROR, "B frames are not "
"supported (%x).\n", attr[i].value);
err = AVERROR(EINVAL);
goto fail;
}
}
break;
}
}
err = 0;
fail:
av_freep(&profiles);
av_freep(&entrypoints);
return err;
}