示例#1
0
static gboolean
gst_video_test_src_do_seek (GstBaseSrc * bsrc, GstSegment * segment)
{
  GstClockTime time;
  GstVideoTestSrc *src;

  src = GST_VIDEO_TEST_SRC (bsrc);

  segment->time = segment->start;
  time = segment->last_stop;

  /* now move to the time indicated */
  if (src->rate_numerator) {
    src->n_frames = gst_util_uint64_scale (time,
        src->rate_numerator, src->rate_denominator * GST_SECOND);
  } else {
    src->n_frames = 0;
  }
  if (src->rate_numerator) {
    src->running_time = gst_util_uint64_scale (src->n_frames,
        src->rate_denominator * GST_SECOND, src->rate_numerator);
  } else {
    /* FIXME : Not sure what to set here */
    src->running_time = 0;
  }

  g_assert (src->running_time <= time);

  return TRUE;
}
示例#2
0
static gboolean
gst_video_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps)
{
  gboolean res;
  gint width, height, rate_denominator, rate_numerator;
  struct fourcc_list_struct *fourcc;
  GstVideoTestSrc *videotestsrc;

  videotestsrc = GST_VIDEO_TEST_SRC (bsrc);

  res = gst_video_test_src_parse_caps (caps, &width, &height,
      &rate_numerator, &rate_denominator, &fourcc);
  if (res) {
    /* looks ok here */
    videotestsrc->fourcc = fourcc;
    videotestsrc->width = width;
    videotestsrc->height = height;
    videotestsrc->rate_numerator = rate_numerator;
    videotestsrc->rate_denominator = rate_denominator;
    videotestsrc->bpp = videotestsrc->fourcc->bitspp;

    GST_DEBUG_OBJECT (videotestsrc, "size %dx%d, %d/%d fps",
        videotestsrc->width, videotestsrc->height,
        videotestsrc->rate_numerator, videotestsrc->rate_denominator);
  }
  return res;
}
示例#3
0
static gboolean
gst_video_test_src_do_seek (GstBaseSrc * bsrc, GstSegment * segment)
{
  GstClockTime position;
  GstVideoTestSrc *src;

  src = GST_VIDEO_TEST_SRC (bsrc);

  segment->time = segment->start;
  position = segment->position;

  /* now move to the position indicated */
  if (src->info.fps_n) {
    src->n_frames = gst_util_uint64_scale (position,
        src->info.fps_n, src->info.fps_d * GST_SECOND);
  } else {
    src->n_frames = 0;
  }
  src->accum_frames = 0;
  src->accum_rtime = 0;
  if (src->info.fps_n) {
    src->running_time = gst_util_uint64_scale (src->n_frames,
        src->info.fps_d * GST_SECOND, src->info.fps_n);
  } else {
    /* FIXME : Not sure what to set here */
    src->running_time = 0;
  }

  g_assert (src->running_time <= position);

  return TRUE;
}
示例#4
0
static gboolean
gst_video_test_src_query (GstBaseSrc * bsrc, GstQuery * query)
{
  gboolean res;
  GstVideoTestSrc *src;

  src = GST_VIDEO_TEST_SRC (bsrc);

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_CONVERT:
    {
      GstFormat src_fmt, dest_fmt;
      gint64 src_val, dest_val;

      gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
      res =
          gst_video_info_convert (&src->info, src_fmt, src_val, dest_fmt,
          &dest_val);
      gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
      break;
    }
    default:
      res = GST_BASE_SRC_CLASS (parent_class)->query (bsrc, query);
      break;
  }
  return res;
}
示例#5
0
static gboolean
gst_video_test_src_start (GstBaseSrc * basesrc)
{
  GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (basesrc);

  src->running_time = 0;
  src->n_frames = 0;

  return TRUE;
}
示例#6
0
static gboolean
gst_video_test_src_decide_allocation (GstBaseSrc * bsrc, GstQuery * query)
{
  GstVideoTestSrc *videotestsrc;
  GstBufferPool *pool;
  gboolean update;
  guint size, min, max;
  GstStructure *config;

  videotestsrc = GST_VIDEO_TEST_SRC (bsrc);

  if (gst_query_get_n_allocation_pools (query) > 0) {
    gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);

    /* adjust size */
    size = MAX (size, videotestsrc->info.size);
    update = TRUE;
  } else {
    pool = NULL;
    size = videotestsrc->info.size;
    min = max = 0;
    update = FALSE;
  }

  /* no downstream pool, make our own */
  if (pool == NULL) {
    if (videotestsrc->bayer)
      pool = gst_buffer_pool_new ();
    else
      pool = gst_video_buffer_pool_new ();
  }

  config = gst_buffer_pool_get_config (pool);
  if (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL)) {
    gst_buffer_pool_config_add_option (config,
        GST_BUFFER_POOL_OPTION_VIDEO_META);
  }
  gst_buffer_pool_set_config (pool, config);

  if (update)
    gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
  else
    gst_query_add_allocation_pool (query, pool, size, min, max);

  if (pool)
    gst_object_unref (pool);

  return GST_BASE_SRC_CLASS (parent_class)->decide_allocation (bsrc, query);
}
示例#7
0
static gboolean
gst_video_test_src_stop (GstBaseSrc * basesrc)
{
  GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (basesrc);

  g_free (src->tmpline);
  src->tmpline = NULL;
  g_free (src->tmpline2);
  src->tmpline2 = NULL;
  g_free (src->tmpline_u8);
  src->tmpline_u8 = NULL;
  g_free (src->tmpline_u16);
  src->tmpline_u16 = NULL;

  return TRUE;
}
示例#8
0
static void
gst_video_test_src_set_property (GObject * object, guint prop_id,
    const GValue * value, GParamSpec * pspec)
{
  GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (object);

  switch (prop_id) {
    case PROP_PATTERN:
      gst_video_test_src_set_pattern (src, g_value_get_enum (value));
      break;
    case PROP_TIMESTAMP_OFFSET:
      src->timestamp_offset = g_value_get_int64 (value);
      break;
    case PROP_IS_LIVE:
      gst_base_src_set_live (GST_BASE_SRC (src), g_value_get_boolean (value));
      break;
    default:
      break;
  }
}
示例#9
0
static void
gst_video_test_src_get_property (GObject * object, guint prop_id,
    GValue * value, GParamSpec * pspec)
{
  GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (object);

  switch (prop_id) {
    case PROP_PATTERN:
      g_value_set_enum (value, src->pattern_type);
      break;
    case PROP_TIMESTAMP_OFFSET:
      g_value_set_int64 (value, src->timestamp_offset);
      break;
    case PROP_IS_LIVE:
      g_value_set_boolean (value, gst_base_src_is_live (GST_BASE_SRC (src)));
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
  }
}
示例#10
0
static GstFlowReturn
gst_video_test_src_create (GstPushSrc * psrc, GstBuffer ** buffer)
{
  GstVideoTestSrc *src;
  gulong newsize;
  GstBuffer *outbuf;
  GstFlowReturn res;
  GstClockTime next_time;

  src = GST_VIDEO_TEST_SRC (psrc);

  if (G_UNLIKELY (src->fourcc == NULL))
    goto not_negotiated;

  /* 0 framerate and we are at the second frame, eos */
  if (G_UNLIKELY (src->rate_numerator == 0 && src->n_frames == 1))
    goto eos;

  newsize = gst_video_test_src_get_size (src, src->width, src->height);

  g_return_val_if_fail (newsize > 0, GST_FLOW_ERROR);

  GST_LOG_OBJECT (src,
      "creating buffer of %lu bytes with %dx%d image for frame %d", newsize,
      src->width, src->height, (gint) src->n_frames);

#ifdef USE_PEER_BUFFERALLOC
  res =
      gst_pad_alloc_buffer_and_set_caps (GST_BASE_SRC_PAD (psrc),
      GST_BUFFER_OFFSET_NONE, newsize, GST_PAD_CAPS (GST_BASE_SRC_PAD (psrc)),
      &outbuf);
  if (res != GST_FLOW_OK)
    goto no_buffer;
#else
  outbuf = gst_buffer_new_and_alloc (newsize);
  gst_buffer_set_caps (outbuf, GST_PAD_CAPS (GST_BASE_SRC_PAD (psrc)));
#endif

  if (src->pattern_type == GST_VIDEO_TEST_SRC_BLINK) {
    if (src->n_frames & 0x1) {
      gst_video_test_src_white (src, (void *) GST_BUFFER_DATA (outbuf),
          src->width, src->height);
    } else {
      gst_video_test_src_black (src, (void *) GST_BUFFER_DATA (outbuf),
          src->width, src->height);
    }
  } else {
    src->make_image (src, (void *) GST_BUFFER_DATA (outbuf),
        src->width, src->height);
  }

  GST_BUFFER_TIMESTAMP (outbuf) = src->timestamp_offset + src->running_time;
  GST_BUFFER_OFFSET (outbuf) = src->n_frames;
  src->n_frames++;
  GST_BUFFER_OFFSET_END (outbuf) = src->n_frames;
  if (src->rate_numerator) {
    next_time = gst_util_uint64_scale_int (src->n_frames * GST_SECOND,
        src->rate_denominator, src->rate_numerator);
    GST_BUFFER_DURATION (outbuf) = next_time - src->running_time;
  } else {
    next_time = src->timestamp_offset;
    /* NONE means forever */
    GST_BUFFER_DURATION (outbuf) = GST_CLOCK_TIME_NONE;
  }

  src->running_time = next_time;

  *buffer = outbuf;

  return GST_FLOW_OK;

not_negotiated:
  {
    GST_ELEMENT_ERROR (src, CORE, NEGOTIATION, (NULL),
        ("format wasn't negotiated before get function"));
    return GST_FLOW_NOT_NEGOTIATED;
  }
eos:
  {
    GST_DEBUG_OBJECT (src, "eos: 0 framerate, frame %d", (gint) src->n_frames);
    return GST_FLOW_UNEXPECTED;
  }
no_buffer:
  {
    GST_DEBUG_OBJECT (src, "could not allocate buffer, reason %s",
        gst_flow_get_name (res));
    return res;
  }
}
示例#11
0
static gboolean
gst_video_test_src_query (GstBaseSrc * bsrc, GstQuery * query)
{
  gboolean res;
  GstVideoTestSrc *src;

  src = GST_VIDEO_TEST_SRC (bsrc);

  switch (GST_QUERY_TYPE (query)) {
    case GST_QUERY_CONVERT:
    {
      GstFormat src_fmt, dest_fmt;
      gint64 src_val, dest_val;

      gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
      if (src_fmt == dest_fmt) {
        dest_val = src_val;
        goto done;
      }

      switch (src_fmt) {
        case GST_FORMAT_DEFAULT:
          switch (dest_fmt) {
            case GST_FORMAT_TIME:
              /* frames to time */
              if (src->rate_numerator) {
                dest_val = gst_util_uint64_scale (src_val,
                    src->rate_denominator * GST_SECOND, src->rate_numerator);
              } else {
                dest_val = 0;
              }
              break;
            default:
              goto error;
          }
          break;
        case GST_FORMAT_TIME:
          switch (dest_fmt) {
            case GST_FORMAT_DEFAULT:
              /* time to frames */
              if (src->rate_numerator) {
                dest_val = gst_util_uint64_scale (src_val,
                    src->rate_numerator, src->rate_denominator * GST_SECOND);
              } else {
                dest_val = 0;
              }
              break;
            default:
              goto error;
          }
          break;
        default:
          goto error;
      }
    done:
      gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
      res = TRUE;
      break;
    }
    default:
      res = GST_BASE_SRC_CLASS (parent_class)->query (bsrc, query);
  }
  return res;

  /* ERROR */
error:
  {
    GST_DEBUG_OBJECT (src, "query failed");
    return FALSE;
  }
}
示例#12
0
static void
gst_video_test_src_get_property (GObject * object, guint prop_id,
    GValue * value, GParamSpec * pspec)
{
  GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (object);

  switch (prop_id) {
    case PROP_PATTERN:
      g_value_set_enum (value, src->pattern_type);
      break;
    case PROP_TIMESTAMP_OFFSET:
      g_value_set_int64 (value, src->timestamp_offset);
      break;
    case PROP_IS_LIVE:
      g_value_set_boolean (value, gst_base_src_is_live (GST_BASE_SRC (src)));
      break;
    case PROP_PEER_ALLOC:
      g_value_set_boolean (value, src->peer_alloc);
      break;
    case PROP_COLOR_SPEC:
      g_value_set_enum (value, src->color_spec);
      break;
    case PROP_K0:
      g_value_set_int (value, src->k0);
      break;
    case PROP_KX:
      g_value_set_int (value, src->kx);
      break;
    case PROP_KY:
      g_value_set_int (value, src->ky);
      break;
    case PROP_KT:
      g_value_set_int (value, src->kt);
      break;
    case PROP_KXT:
      g_value_set_int (value, src->kxt);
      break;
    case PROP_KYT:
      g_value_set_int (value, src->kyt);
      break;
    case PROP_KXY:
      g_value_set_int (value, src->kxy);
      break;
    case PROP_KX2:
      g_value_set_int (value, src->kx2);
      break;
    case PROP_KY2:
      g_value_set_int (value, src->ky2);
      break;
    case PROP_KT2:
      g_value_set_int (value, src->kt2);
      break;
    case PROP_XOFFSET:
      g_value_set_int (value, src->xoffset);
      break;
    case PROP_YOFFSET:
      g_value_set_int (value, src->yoffset);
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
  }
}
示例#13
0
static void
gst_video_test_src_set_property (GObject * object, guint prop_id,
    const GValue * value, GParamSpec * pspec)
{
  GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (object);

  switch (prop_id) {
    case PROP_PATTERN:
      gst_video_test_src_set_pattern (src, g_value_get_enum (value));
      break;
    case PROP_TIMESTAMP_OFFSET:
      src->timestamp_offset = g_value_get_int64 (value);
      break;
    case PROP_IS_LIVE:
      gst_base_src_set_live (GST_BASE_SRC (src), g_value_get_boolean (value));
      break;
    case PROP_PEER_ALLOC:
      src->peer_alloc = g_value_get_boolean (value);
      break;
    case PROP_COLOR_SPEC:
      src->color_spec = g_value_get_enum (value);
      break;
    case PROP_K0:
      src->k0 = g_value_get_int (value);
      break;
    case PROP_KX:
      src->kx = g_value_get_int (value);
      break;
    case PROP_KY:
      src->ky = g_value_get_int (value);
      break;
    case PROP_KT:
      src->kt = g_value_get_int (value);
      break;
    case PROP_KXT:
      src->kxt = g_value_get_int (value);
      break;
    case PROP_KYT:
      src->kyt = g_value_get_int (value);
      break;
    case PROP_KXY:
      src->kxy = g_value_get_int (value);
      break;
    case PROP_KX2:
      src->kx2 = g_value_get_int (value);
      break;
    case PROP_KY2:
      src->ky2 = g_value_get_int (value);
      break;
    case PROP_KT2:
      src->kt2 = g_value_get_int (value);
      break;
    case PROP_XOFFSET:
      src->xoffset = g_value_get_int (value);
      break;
    case PROP_YOFFSET:
      src->yoffset = g_value_get_int (value);
      break;
    default:
      break;
  }
}
示例#14
0
static GstFlowReturn
gst_video_test_src_fill (GstPushSrc * psrc, GstBuffer * buffer)
{
  GstVideoTestSrc *src;
  GstClockTime next_time;
  GstVideoFrame frame;
  gconstpointer pal;
  gsize palsize;

  src = GST_VIDEO_TEST_SRC (psrc);

  if (G_UNLIKELY (GST_VIDEO_INFO_FORMAT (&src->info) ==
          GST_VIDEO_FORMAT_UNKNOWN))
    goto not_negotiated;

  /* 0 framerate and we are at the second frame, eos */
  if (G_UNLIKELY (src->info.fps_n == 0 && src->n_frames == 1))
    goto eos;

  GST_LOG_OBJECT (src,
      "creating buffer from pool for frame %d", (gint) src->n_frames);

  if (!gst_video_frame_map (&frame, &src->info, buffer, GST_MAP_WRITE))
    goto invalid_frame;

  src->make_image (src, &frame);

  if ((pal = gst_video_format_get_palette (GST_VIDEO_FRAME_FORMAT (&frame),
              &palsize))) {
    memcpy (GST_VIDEO_FRAME_PLANE_DATA (&frame, 1), pal, palsize);
  }

  gst_video_frame_unmap (&frame);

  GST_BUFFER_DTS (buffer) =
      src->accum_rtime + src->timestamp_offset + src->running_time;
  GST_BUFFER_PTS (buffer) = GST_BUFFER_DTS (buffer);

  GST_DEBUG_OBJECT (src, "Timestamp: %" GST_TIME_FORMAT " = accumulated %"
      GST_TIME_FORMAT " + offset: %"
      GST_TIME_FORMAT " + running time: %" GST_TIME_FORMAT,
      GST_TIME_ARGS (GST_BUFFER_PTS (buffer)), GST_TIME_ARGS (src->accum_rtime),
      GST_TIME_ARGS (src->timestamp_offset), GST_TIME_ARGS (src->running_time));

  GST_BUFFER_OFFSET (buffer) = src->accum_frames + src->n_frames;
  src->n_frames++;
  GST_BUFFER_OFFSET_END (buffer) = GST_BUFFER_OFFSET (buffer) + 1;
  if (src->info.fps_n) {
    next_time = gst_util_uint64_scale_int (src->n_frames * GST_SECOND,
        src->info.fps_d, src->info.fps_n);
    GST_BUFFER_DURATION (buffer) = next_time - src->running_time;
  } else {
    next_time = src->timestamp_offset;
    /* NONE means forever */
    GST_BUFFER_DURATION (buffer) = GST_CLOCK_TIME_NONE;
  }

  src->running_time = next_time;

  return GST_FLOW_OK;

not_negotiated:
  {
    GST_ELEMENT_ERROR (src, CORE, NEGOTIATION, (NULL),
        ("format wasn't negotiated before get function"));
    return GST_FLOW_NOT_NEGOTIATED;
  }
eos:
  {
    GST_DEBUG_OBJECT (src, "eos: 0 framerate, frame %d", (gint) src->n_frames);
    return GST_FLOW_EOS;
  }
invalid_frame:
  {
    GST_DEBUG_OBJECT (src, "invalid frame");
    return GST_FLOW_OK;
  }
}
示例#15
0
static gboolean
gst_video_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps)
{
  const GstStructure *structure;
  GstVideoTestSrc *videotestsrc;
  GstVideoInfo info;

  videotestsrc = GST_VIDEO_TEST_SRC (bsrc);

  structure = gst_caps_get_structure (caps, 0);

  if (gst_structure_has_name (structure, "video/x-raw")) {
    /* we can use the parsing code */
    if (!gst_video_info_from_caps (&info, caps))
      goto parse_failed;

  } else if (gst_structure_has_name (structure, "video/x-bayer")) {
    gint x_inv = 0, y_inv = 0;

    gst_video_info_init (&info);

    info.finfo = gst_video_format_get_info (GST_VIDEO_FORMAT_GRAY8);

    if (!gst_video_test_src_parse_caps (caps, &info.width, &info.height,
            &info.fps_n, &info.fps_d, &info.colorimetry, &x_inv, &y_inv))
      goto parse_failed;

    info.size = GST_ROUND_UP_4 (info.width) * info.height;
    info.stride[0] = GST_ROUND_UP_4 (info.width);

    videotestsrc->bayer = TRUE;
    videotestsrc->x_invert = x_inv;
    videotestsrc->y_invert = y_inv;
  }

  /* looks ok here */
  videotestsrc->info = info;

  GST_DEBUG_OBJECT (videotestsrc, "size %dx%d, %d/%d fps",
      info.width, info.height, info.fps_n, info.fps_d);

  g_free (videotestsrc->tmpline);
  g_free (videotestsrc->tmpline2);
  g_free (videotestsrc->tmpline_u8);
  g_free (videotestsrc->tmpline_u16);
  videotestsrc->tmpline_u8 = g_malloc (info.width + 8);
  videotestsrc->tmpline = g_malloc ((info.width + 8) * 4);
  videotestsrc->tmpline2 = g_malloc ((info.width + 8) * 4);
  videotestsrc->tmpline_u16 = g_malloc ((info.width + 16) * 8);

  videotestsrc->accum_rtime += videotestsrc->running_time;
  videotestsrc->accum_frames += videotestsrc->n_frames;

  videotestsrc->running_time = 0;
  videotestsrc->n_frames = 0;

  return TRUE;

  /* ERRORS */
parse_failed:
  {
    GST_DEBUG_OBJECT (bsrc, "failed to parse caps");
    return FALSE;
  }
}
示例#16
0
static void
gst_video_test_src_set_property (GObject * object, guint prop_id,
    const GValue * value, GParamSpec * pspec)
{
  GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (object);

  switch (prop_id) {
    case PROP_PATTERN:
      gst_video_test_src_set_pattern (src, g_value_get_enum (value));
      break;
    case PROP_TIMESTAMP_OFFSET:
      src->timestamp_offset = g_value_get_int64 (value);
      break;
    case PROP_IS_LIVE:
      gst_base_src_set_live (GST_BASE_SRC (src), g_value_get_boolean (value));
      break;
    case PROP_K0:
      src->k0 = g_value_get_int (value);
      break;
    case PROP_KX:
      src->kx = g_value_get_int (value);
      break;
    case PROP_KY:
      src->ky = g_value_get_int (value);
      break;
    case PROP_KT:
      src->kt = g_value_get_int (value);
      break;
    case PROP_KXT:
      src->kxt = g_value_get_int (value);
      break;
    case PROP_KYT:
      src->kyt = g_value_get_int (value);
      break;
    case PROP_KXY:
      src->kxy = g_value_get_int (value);
      break;
    case PROP_KX2:
      src->kx2 = g_value_get_int (value);
      break;
    case PROP_KY2:
      src->ky2 = g_value_get_int (value);
      break;
    case PROP_KT2:
      src->kt2 = g_value_get_int (value);
      break;
    case PROP_XOFFSET:
      src->xoffset = g_value_get_int (value);
      break;
    case PROP_YOFFSET:
      src->yoffset = g_value_get_int (value);
      break;
    case PROP_FOREGROUND_COLOR:
      src->foreground_color = g_value_get_uint (value);
      break;
    case PROP_BACKGROUND_COLOR:
      src->background_color = g_value_get_uint (value);
      break;
    case PROP_HORIZONTAL_SPEED:
      src->horizontal_speed = g_value_get_int (value);
    default:
      break;
  }
}