static void
gst_vaapi_decoder_vp8_init (GstVaapiDecoderVp8 * decoder)
{
GstVaapiDecoder *const base_decoder = GST_VAAPI_DECODER (decoder);
gst_vaapi_decoder_vp8_create (base_decoder);
}
static void
gst_vaapi_decoder_jpeg_init (GstVaapiDecoderJpeg * decoder)
{
GstVaapiDecoder *const base_decoder = GST_VAAPI_DECODER (decoder);
gst_vaapi_decoder_jpeg_create (base_decoder);
}
static void
gst_vaapi_decoder_jpeg_finalize (GObject * object)
{
GstVaapiDecoder *const base_decoder = GST_VAAPI_DECODER (object);
gst_vaapi_decoder_jpeg_destroy (base_decoder);
G_OBJECT_CLASS (gst_vaapi_decoder_jpeg_parent_class)->finalize (object);
}
static void
gst_vaapi_decoder_notify_caps(GObject *obj, GParamSpec *pspec, void *user_data)
{
GstVaapiDecode * const decode = GST_VAAPIDECODE(user_data);
GstCaps *caps;
g_assert(decode->decoder == GST_VAAPI_DECODER(obj));
caps = gst_vaapi_decoder_get_caps(decode->decoder);
gst_vaapidecode_update_src_caps(decode, caps);
}
static GstVaapiDecoderStatus
ensure_context(GstVaapiDecoderVC1 *decoder)
{
GstVaapiDecoderVC1Private * const priv = decoder->priv;
GstVaapiProfile profiles[2];
GstVaapiEntrypoint entrypoint = GST_VAAPI_ENTRYPOINT_VLD;
guint i, n_profiles = 0;
gboolean reset_context = FALSE;
if (priv->profile_changed) {
GST_DEBUG("profile changed");
priv->profile_changed = FALSE;
reset_context = TRUE;
profiles[n_profiles++] = priv->profile;
if (priv->profile == GST_VAAPI_PROFILE_VC1_SIMPLE)
profiles[n_profiles++] = GST_VAAPI_PROFILE_VC1_MAIN;
for (i = 0; i < n_profiles; i++) {
if (gst_vaapi_display_has_decoder(GST_VAAPI_DECODER_DISPLAY(decoder),
profiles[i], entrypoint))
break;
}
if (i == n_profiles)
return GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_PROFILE;
priv->profile = profiles[i];
}
if (priv->size_changed) {
GST_DEBUG("size changed");
priv->size_changed = FALSE;
reset_context = TRUE;
}
if (reset_context) {
GstVaapiContextInfo info;
info.profile = priv->profile;
info.entrypoint = entrypoint;
info.width = priv->width;
info.height = priv->height;
info.ref_frames = 2;
reset_context = gst_vaapi_decoder_ensure_context(
GST_VAAPI_DECODER(decoder),
&info
);
if (!reset_context)
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
}
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
ensure_context(GstVaapiDecoderJpeg *decoder)
{
GstVaapiDecoderJpegPrivate * const priv = &decoder->priv;
GstVaapiProfile profiles[2];
GstVaapiEntrypoint entrypoint = GST_VAAPI_ENTRYPOINT_VLD;
guint i, n_profiles = 0;
gboolean reset_context = FALSE;
if (priv->profile_changed) {
GST_DEBUG("profile changed");
priv->profile_changed = FALSE;
reset_context = TRUE;
profiles[n_profiles++] = priv->profile;
//if (priv->profile == GST_VAAPI_PROFILE_JPEG_EXTENDED)
// profiles[n_profiles++] = GST_VAAPI_PROFILE_JPEG_BASELINE;
for (i = 0; i < n_profiles; i++) {
if (gst_vaapi_display_has_decoder(GST_VAAPI_DECODER_DISPLAY(decoder),
profiles[i], entrypoint))
break;
}
if (i == n_profiles)
return GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_PROFILE;
priv->profile = profiles[i];
}
if (reset_context) {
GstVaapiContextInfo info;
info.profile = priv->profile;
info.entrypoint = entrypoint;
info.chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
info.width = priv->width;
info.height = priv->height;
info.ref_frames = 2;
reset_context = gst_vaapi_decoder_ensure_context(
GST_VAAPI_DECODER(decoder),
&info
);
if (!reset_context)
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
}
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
/** Ensures VA context is correctly set up for the current FFmpeg context */
static GstVaapiContext *
get_context(AVCodecContext *avctx)
{
GstVaapiContextFfmpeg * const vactx = avctx->hwaccel_context;
GstVaapiDecoder * const decoder = GST_VAAPI_DECODER(vactx->decoder);
GstVaapiDisplay *display;
GstVaapiContext *context;
gboolean success;
if (!avctx->coded_width || !avctx->coded_height)
return NULL;
gst_vaapi_decoder_set_framerate(
decoder,
avctx->time_base.den / avctx->ticks_per_frame,
avctx->time_base.num
);
gst_vaapi_decoder_set_pixel_aspect_ratio(
decoder,
avctx->sample_aspect_ratio.num,
avctx->sample_aspect_ratio.den
);
success = gst_vaapi_decoder_ensure_context(
decoder,
vactx->profile,
vactx->entrypoint,
avctx->coded_width,
avctx->coded_height
);
if (!success) {
GST_DEBUG("failed to reset VA context:");
GST_DEBUG(" profile 0x%08x", vactx->profile);
GST_DEBUG(" entrypoint %d", vactx->entrypoint);
GST_DEBUG(" surface size %dx%d", avctx->width, avctx->height);
return NULL;
}
display = GST_VAAPI_DECODER_DISPLAY(decoder);
context = GST_VAAPI_DECODER_CONTEXT(decoder);
vactx->base.display = GST_VAAPI_DISPLAY_VADISPLAY(display);
vactx->base.context_id = GST_VAAPI_OBJECT_ID(context);
return context;
}
static GstVaapiDecoderStatus
ensure_context (GstVaapiDecoderVp8 * decoder)
{
GstVaapiDecoderVp8Private *const priv = &decoder->priv;
const GstVaapiProfile profile = GST_VAAPI_PROFILE_VP8;
const GstVaapiEntrypoint entrypoint = GST_VAAPI_ENTRYPOINT_VLD;
gboolean reset_context = FALSE;
if (priv->profile != profile) {
if (!gst_vaapi_display_has_decoder (GST_VAAPI_DECODER_DISPLAY (decoder),
profile, entrypoint))
return GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_PROFILE;
priv->profile = profile;
reset_context = TRUE;
}
if (priv->size_changed) {
GST_DEBUG ("size changed");
priv->size_changed = FALSE;
reset_context = TRUE;
}
if (reset_context) {
GstVaapiContextInfo info;
info.profile = priv->profile;
info.entrypoint = entrypoint;
info.chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
info.width = priv->width;
info.height = priv->height;
info.ref_frames = 3;
reset_context =
gst_vaapi_decoder_ensure_context (GST_VAAPI_DECODER (decoder), &info);
if (!reset_context)
return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
}
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
static GstVaapiDecoderStatus
decode_sequence(GstVaapiDecoderVC1 *decoder, GstVC1BDU *rbdu, GstVC1BDU *ebdu)
{
GstVaapiDecoder * const base_decoder = GST_VAAPI_DECODER(decoder);
GstVaapiDecoderVC1Private * const priv = decoder->priv;
GstVC1SeqHdr * const seq_hdr = &priv->seq_hdr;
GstVC1AdvancedSeqHdr * const adv_hdr = &seq_hdr->advanced;
GstVC1SeqStructC * const structc = &seq_hdr->struct_c;
GstVC1ParserResult result;
GstVaapiProfile profile;
guint width, height, fps_n, fps_d;
result = gst_vc1_parse_sequence_header(
rbdu->data + rbdu->offset,
rbdu->size,
seq_hdr
);
if (result != GST_VC1_PARSER_OK) {
GST_DEBUG("failed to parse sequence layer");
return get_status(result);
}
priv->has_entrypoint = FALSE;
/* Validate profile */
switch (seq_hdr->profile) {
case GST_VC1_PROFILE_SIMPLE:
case GST_VC1_PROFILE_MAIN:
case GST_VC1_PROFILE_ADVANCED:
break;
default:
GST_DEBUG("unsupported profile %d", seq_hdr->profile);
return GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_PROFILE;
}
fps_n = 0;
fps_d = 0;
switch (seq_hdr->profile) {
case GST_VC1_PROFILE_SIMPLE:
case GST_VC1_PROFILE_MAIN:
if (structc->wmvp) {
fps_n = structc->framerate;
fps_d = 1;
}
break;
case GST_VC1_PROFILE_ADVANCED:
if (adv_hdr->display_ext && adv_hdr->framerate_flag) {
if (adv_hdr->framerateind) {
// 6.1.14.4.4 - Frame Rate Explicit
fps_n = adv_hdr->framerateexp + 1;
fps_d = 32;
}
else {
// 6.1.14.4.2 - Frame Rate Numerator
static const guint frameratenr_table[] = {
[1] = 24000,
[2] = 25000,
[3] = 30000,
[4] = 50000,
[5] = 60000,
[6] = 48000,
[7] = 72000
};
// 6.1.14.4.3 - Frame Rate Denominator
static const guint frameratedr_table[] = {
[1] = 1000,
[2] = 1001
};
if (adv_hdr->frameratenr < 1 || adv_hdr->frameratenr > 7) {
GST_DEBUG("unsupported FRAMERATENR value");
return GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER;
}
fps_n = frameratenr_table[adv_hdr->frameratenr];
if (adv_hdr->frameratedr < 1 || adv_hdr->frameratedr > 2) {
GST_DEBUG("unsupported FRAMERATEDR value");
return GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER;
}
fps_d = frameratedr_table[adv_hdr->frameratedr];
}
}
break;
default:
g_assert(0 && "XXX: we already validated the profile above");
break;
}
if (fps_n && fps_d) {
priv->fps_n = fps_n;
priv->fps_d = fps_d;
gst_vaapi_decoder_set_framerate(base_decoder, priv->fps_n, priv->fps_d);
}
switch (seq_hdr->profile) {
case GST_VC1_PROFILE_SIMPLE:
case GST_VC1_PROFILE_MAIN:
width = seq_hdr->struct_c.coded_width;
height = seq_hdr->struct_c.coded_height;
break;
case GST_VC1_PROFILE_ADVANCED:
width = seq_hdr->advanced.max_coded_width;
height = seq_hdr->advanced.max_coded_height;
break;
default:
g_assert(0 && "XXX: we already validated the profile above");
break;
}
if (priv->width != width) {
priv->width = width;
priv->size_changed = TRUE;
}
if (priv->height != height) {
priv->height = height;
priv->size_changed = TRUE;
}
switch (seq_hdr->profile) {
case GST_VC1_PROFILE_SIMPLE:
profile = GST_VAAPI_PROFILE_VC1_SIMPLE;
break;
case GST_VC1_PROFILE_MAIN:
profile = GST_VAAPI_PROFILE_VC1_MAIN;
break;
case GST_VC1_PROFILE_ADVANCED:
profile = GST_VAAPI_PROFILE_VC1_ADVANCED;
break;
default:
g_assert(0 && "XXX: we already validated the profile above");
break;
}
if (priv->profile != profile) {
priv->profile = profile;
priv->profile_changed = TRUE;
}
return GST_VAAPI_DECODER_STATUS_SUCCESS;
}
