Пример #1
0
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;
}
Пример #4
0
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;
}