C++ (Cpp) GST_VAAPI_ENC_PICTURE_NEW примеры использования

Пример #1

Файл: gstvaapiencoder_vp8.c Проект: rexxster/gstreamer-vaapi

static GstVaapiEncoderStatus
gst_vaapi_encoder_vp8_reordering (GstVaapiEncoder * base_encoder,
    GstVideoCodecFrame * frame, GstVaapiEncPicture ** output)
{
  GstVaapiEncoderVP8 *const encoder = GST_VAAPI_ENCODER_VP8_CAST (base_encoder);
  GstVaapiEncPicture *picture = NULL;
  GstVaapiEncoderStatus status = GST_VAAPI_ENCODER_STATUS_SUCCESS;

  if (!frame)
    return GST_VAAPI_ENCODER_STATUS_NO_SURFACE;

  picture = GST_VAAPI_ENC_PICTURE_NEW (VP8, encoder, frame);
  if (!picture) {
    GST_WARNING ("create VP8 picture failed, frame timestamp:%"
        GST_TIME_FORMAT, GST_TIME_ARGS (frame->pts));
    return GST_VAAPI_ENCODER_STATUS_ERROR_ALLOCATION_FAILED;
  }

  if (encoder->frame_num >= base_encoder->keyframe_period) {
    encoder->frame_num = 0;
    clear_references (encoder);
  }
  if (encoder->frame_num == 0) {
    picture->type = GST_VAAPI_PICTURE_TYPE_I;
    GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
  } else {
    picture->type = GST_VAAPI_PICTURE_TYPE_P;
  }

  encoder->frame_num++;
  *output = picture;
  return status;
}

Пример #2

Файл: gstvaapiencoder_mpeg2.c Проект: GStreamer/gstreamer-vaapi

static GstVaapiEncoderStatus
gst_vaapi_encoder_mpeg2_reordering (GstVaapiEncoder * base_encoder,
    GstVideoCodecFrame * frame, GstVaapiEncPicture ** output)
{
  GstVaapiEncoderMpeg2 *const encoder =
      GST_VAAPI_ENCODER_MPEG2_CAST (base_encoder);
  GstVaapiEncPicture *picture = NULL;
  GstVaapiEncoderStatus status = GST_VAAPI_ENCODER_STATUS_SUCCESS;

  if (!frame) {
    if (g_queue_is_empty (&encoder->b_frames) && encoder->dump_frames) {
      push_reference (encoder, NULL);
      encoder->dump_frames = FALSE;
    }
    if (!encoder->dump_frames) {
      return GST_VAAPI_ENCODER_STATUS_NO_SURFACE;
    }
    picture = g_queue_pop_head (&encoder->b_frames);
    g_assert (picture);
    goto end;
  }

  picture = GST_VAAPI_ENC_PICTURE_NEW (MPEG2, encoder, frame);
  if (!picture) {
    GST_WARNING ("create MPEG2 picture failed, frame timestamp:%"
        GST_TIME_FORMAT, GST_TIME_ARGS (frame->pts));
    return GST_VAAPI_ENCODER_STATUS_ERROR_ALLOCATION_FAILED;
  }

  if (encoder->frame_num >= base_encoder->keyframe_period) {
    encoder->frame_num = 0;
    clear_references (encoder);
  }
  if (encoder->frame_num == 0) {
    picture->type = GST_VAAPI_PICTURE_TYPE_I;
    GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT (frame);
    encoder->new_gop = TRUE;
  } else {
    encoder->new_gop = FALSE;
    if ((encoder->frame_num % (encoder->ip_period + 1)) == 0 ||
        encoder->frame_num == base_encoder->keyframe_period - 1) {
      picture->type = GST_VAAPI_PICTURE_TYPE_P;
      encoder->dump_frames = TRUE;
    } else {
      picture->type = GST_VAAPI_PICTURE_TYPE_B;
      status = GST_VAAPI_ENCODER_STATUS_NO_SURFACE;
    }
  }
  picture->frame_num = encoder->frame_num++;

  if (picture->type == GST_VAAPI_PICTURE_TYPE_B) {
    g_queue_push_tail (&encoder->b_frames, picture);
    picture = NULL;
  }

end:
  *output = picture;
  return status;
}

Пример #3

Файл: gstvaapiencoder_jpeg.c Проект: GStreamer/gstreamer-vaapi

static GstVaapiEncoderStatus
gst_vaapi_encoder_jpeg_reordering (GstVaapiEncoder * base_encoder,
    GstVideoCodecFrame * frame, GstVaapiEncPicture ** output)
{
  GstVaapiEncoderJpeg *const encoder =
      GST_VAAPI_ENCODER_JPEG_CAST (base_encoder);
  GstVaapiEncPicture *picture = NULL;
  GstVaapiEncoderStatus status = GST_VAAPI_ENCODER_STATUS_SUCCESS;

  if (!frame)
    return GST_VAAPI_ENCODER_STATUS_NO_SURFACE;

  picture = GST_VAAPI_ENC_PICTURE_NEW (JPEG, encoder, frame);
  if (!picture) {
    GST_WARNING ("create JPEG picture failed, frame timestamp:%"
        GST_TIME_FORMAT, GST_TIME_ARGS (frame->pts));
    return GST_VAAPI_ENCODER_STATUS_ERROR_ALLOCATION_FAILED;
  }

  *output = picture;
  return status;
}