/* from the given two data buffers, create two streamheader buffers and
 * some caps that match it, and store them in the given pointers
 * returns  one ref to each of the buffers and the caps */
static void
gst_multisocketsink_create_streamheader (const gchar * data1,
    const gchar * data2, GstBuffer ** hbuf1, GstBuffer ** hbuf2,
    GstCaps ** caps)
{
  GstBuffer *buf;
  GValue array = { 0 };
  GValue value = { 0 };
  GstStructure *structure;
  guint size1 = strlen (data1);
  guint size2 = strlen (data2);

  fail_if (hbuf1 == NULL);
  fail_if (hbuf2 == NULL);
  fail_if (caps == NULL);

  /* create caps with streamheader, set the caps, and push the HEADER
   * buffers */
  *hbuf1 = gst_buffer_new_and_alloc (size1);
  GST_BUFFER_FLAG_SET (*hbuf1, GST_BUFFER_FLAG_HEADER);
  gst_buffer_fill (*hbuf1, 0, data1, size1);
  *hbuf2 = gst_buffer_new_and_alloc (size2);
  GST_BUFFER_FLAG_SET (*hbuf2, GST_BUFFER_FLAG_HEADER);
  gst_buffer_fill (*hbuf2, 0, data2, size2);

  g_value_init (&array, GST_TYPE_ARRAY);

  g_value_init (&value, GST_TYPE_BUFFER);
  /* we take a copy, set it on the array (which refs it), then unref our copy */
  buf = gst_buffer_copy (*hbuf1);
  gst_value_set_buffer (&value, buf);
  ASSERT_BUFFER_REFCOUNT (buf, "copied buffer", 2);
  gst_buffer_unref (buf);
  gst_value_array_append_value (&array, &value);
  g_value_unset (&value);

  g_value_init (&value, GST_TYPE_BUFFER);
  buf = gst_buffer_copy (*hbuf2);
  gst_value_set_buffer (&value, buf);
  ASSERT_BUFFER_REFCOUNT (buf, "copied buffer", 2);
  gst_buffer_unref (buf);
  gst_value_array_append_value (&array, &value);
  g_value_unset (&value);

  *caps = gst_caps_from_string ("application/x-gst-check");
  structure = gst_caps_get_structure (*caps, 0);

  gst_structure_set_value (structure, "streamheader", &array);
  g_value_unset (&array);
  ASSERT_CAPS_REFCOUNT (*caps, "streamheader caps", 1);

  /* we want to keep them around for the tests */
  gst_buffer_ref (*hbuf1);
  gst_buffer_ref (*hbuf2);

  GST_DEBUG ("created streamheader caps %p %" GST_PTR_FORMAT, *caps, *caps);
}
static GstCaps *
theora_set_header_on_caps (GstCaps * caps, GstBuffer * buf1,
    GstBuffer * buf2, GstBuffer * buf3)
{
  GstStructure *structure;
  GValue array = { 0 };
  GValue value = { 0 };

  caps = gst_caps_make_writable (caps);
  structure = gst_caps_get_structure (caps, 0);

  /* mark buffers */
  GST_BUFFER_FLAG_SET (buf1, GST_BUFFER_FLAG_IN_CAPS);
  GST_BUFFER_FLAG_SET (buf2, GST_BUFFER_FLAG_IN_CAPS);
  GST_BUFFER_FLAG_SET (buf3, GST_BUFFER_FLAG_IN_CAPS);

  /* Copy buffers, because we can't use the originals -
   * it creates a circular refcount with the caps<->buffers */
  buf1 = gst_buffer_copy (buf1);
  buf2 = gst_buffer_copy (buf2);
  buf3 = gst_buffer_copy (buf3);

  /* put copies of the buffers in a fixed list */
  g_value_init (&array, GST_TYPE_ARRAY);

  g_value_init (&value, GST_TYPE_BUFFER);
  gst_value_set_buffer (&value, buf1);
  gst_value_array_append_value (&array, &value);
  g_value_unset (&value);

  g_value_init (&value, GST_TYPE_BUFFER);
  gst_value_set_buffer (&value, buf2);
  gst_value_array_append_value (&array, &value);
  g_value_unset (&value);

  g_value_init (&value, GST_TYPE_BUFFER);
  gst_value_set_buffer (&value, buf3);
  gst_value_array_append_value (&array, &value);
  g_value_unset (&value);

  gst_structure_set_value (structure, "streamheader", &array);
  g_value_unset (&array);

  /* Unref our copies */
  gst_buffer_unref (buf1);
  gst_buffer_unref (buf2);
  gst_buffer_unref (buf3);

  return caps;
}
/*
 * _gst_caps_set_buffer_array:
 * @caps: (transfer full): a #GstCaps
 * @field: field in caps to set
 * @buf: header buffers
 *
 * Adds given buffers to an array of buffers set as the given @field
 * on the given @caps.  List of buffer arguments must be NULL-terminated.
 *
 * Returns: (transfer full): input caps with a streamheader field added, or NULL
 *     if some error occurred
 */
static GstCaps *
_gst_caps_set_buffer_array (GstCaps * caps, const gchar * field,
    GstBuffer * buf, ...)
{
  GstStructure *structure = NULL;
  va_list va;
  GValue array = { 0 };
  GValue value = { 0 };

  g_return_val_if_fail (caps != NULL, NULL);
  g_return_val_if_fail (gst_caps_is_fixed (caps), NULL);
  g_return_val_if_fail (field != NULL, NULL);

  caps = gst_caps_make_writable (caps);
  structure = gst_caps_get_structure (caps, 0);

  g_value_init (&array, GST_TYPE_ARRAY);

  va_start (va, buf);
  /* put buffers in a fixed list */
  while (buf) {
    g_value_init (&value, GST_TYPE_BUFFER);
    gst_value_set_buffer (&value, buf);
    gst_value_array_append_value (&array, &value);
    g_value_unset (&value);

    buf = va_arg (va, GstBuffer *);
  }
  va_end (va);

  gst_structure_take_value (structure, field, &array);

  return caps;
}
static GstCaps *
theora_set_header_on_caps (GstCaps * caps, GList * buffers)
{
  GstStructure *structure;
  GValue array = { 0 };
  GValue value = { 0 };
  GstBuffer *buffer;
  GList *walk;

  caps = gst_caps_make_writable (caps);
  structure = gst_caps_get_structure (caps, 0);

  /* put copies of the buffers in a fixed list */
  g_value_init (&array, GST_TYPE_ARRAY);

  for (walk = buffers; walk; walk = walk->next) {
    buffer = walk->data;
    g_value_init (&value, GST_TYPE_BUFFER);
    gst_value_set_buffer (&value, buffer);
    gst_value_array_append_value (&array, &value);
    g_value_unset (&value);
  }

  gst_structure_take_value (structure, "streamheader", &array);

  return caps;
}
static void
theora_parse_set_header_on_caps (GstTheoraParse * parse, GstCaps * caps)
{
  GstBuffer **bufs;
  GstStructure *structure;
  gint i;
  GValue array = { 0 };
  GValue value = { 0 };

  bufs = parse->streamheader;
  structure = gst_caps_get_structure (caps, 0);
  g_value_init (&array, GST_TYPE_ARRAY);

  for (i = 0; i < 3; i++) {
    if (bufs[i] == NULL)
      continue;

    bufs[i] = gst_buffer_make_writable (bufs[i]);
    GST_BUFFER_FLAG_SET (bufs[i], GST_BUFFER_FLAG_HEADER);

    g_value_init (&value, GST_TYPE_BUFFER);
    gst_value_set_buffer (&value, bufs[i]);
    gst_value_array_append_value (&array, &value);
    g_value_unset (&value);
  }

  gst_structure_take_value (structure, "streamheader", &array);
}
Exemple #6
0
static void
vorbis_parse_set_header_on_caps (GstVorbisParse * parse, GstCaps * caps)
{
    GstBuffer *buf1, *buf2, *buf3;
    GstStructure *structure;
    GValue array = { 0 };
    GValue value = { 0 };

    g_assert (parse);
    g_assert (parse->streamheader);
    g_assert (parse->streamheader->next);
    g_assert (parse->streamheader->next->next);
    buf1 = parse->streamheader->data;
    g_assert (buf1);
    buf2 = parse->streamheader->next->data;
    g_assert (buf2);
    buf3 = parse->streamheader->next->next->data;
    g_assert (buf3);

    structure = gst_caps_get_structure (caps, 0);

    /* mark buffers */
    GST_BUFFER_FLAG_SET (buf1, GST_BUFFER_FLAG_IN_CAPS);
    GST_BUFFER_FLAG_SET (buf2, GST_BUFFER_FLAG_IN_CAPS);
    GST_BUFFER_FLAG_SET (buf3, GST_BUFFER_FLAG_IN_CAPS);

    /* put buffers in a fixed list */
    g_value_init (&array, GST_TYPE_ARRAY);
    g_value_init (&value, GST_TYPE_BUFFER);
    gst_value_set_buffer (&value, buf1);
    gst_value_array_append_value (&array, &value);
    g_value_unset (&value);
    g_value_init (&value, GST_TYPE_BUFFER);
    gst_value_set_buffer (&value, buf2);
    gst_value_array_append_value (&array, &value);
    g_value_unset (&value);
    g_value_init (&value, GST_TYPE_BUFFER);
    gst_value_set_buffer (&value, buf3);
    gst_value_array_append_value (&array, &value);
    gst_structure_set_value (structure, "streamheader", &array);
    g_value_unset (&value);
    g_value_unset (&array);
}
static GstCaps *
gst_cmml_enc_set_header_on_caps (GstCmmlEnc * enc, GstCaps * caps,
    GstBuffer * ident, GstBuffer * preamble, GstBuffer * head)
{
  GValue array = { 0 };
  GValue value = { 0 };
  GstStructure *structure;
  GstBuffer *buffer;

  caps = gst_caps_make_writable (caps);
  structure = gst_caps_get_structure (caps, 0);

  g_value_init (&array, GST_TYPE_ARRAY);
  g_value_init (&value, GST_TYPE_BUFFER);

  /* Make copies of header buffers to avoid circular references */
  buffer = gst_buffer_copy (ident);
  gst_value_set_buffer (&value, buffer);
  gst_value_array_append_value (&array, &value);
  gst_buffer_unref (buffer);

  buffer = gst_buffer_copy (preamble);
  gst_value_set_buffer (&value, buffer);
  gst_value_array_append_value (&array, &value);
  gst_buffer_unref (buffer);

  buffer = gst_buffer_copy (head);
  gst_value_set_buffer (&value, buffer);
  gst_value_array_append_value (&array, &value);
  gst_buffer_unref (buffer);

  GST_BUFFER_FLAG_SET (ident, GST_BUFFER_FLAG_IN_CAPS);
  GST_BUFFER_FLAG_SET (preamble, GST_BUFFER_FLAG_IN_CAPS);
  GST_BUFFER_FLAG_SET (head, GST_BUFFER_FLAG_IN_CAPS);

  gst_structure_set_value (structure, "streamheader", &array);

  g_value_unset (&value);
  g_value_unset (&array);

  return caps;
}
Exemple #8
0
/* Set a copy of these buffers as 'streamheader' on the caps.
 * We need a copy to avoid these buffers ending up with (indirect) refs on
 * themselves
 */
static GstCaps *
gst_vorbis_enc_set_header_on_caps (GstCaps * caps, GstBuffer * buf1,
    GstBuffer * buf2, GstBuffer * buf3)
{
  GstBuffer *buf;
  GstStructure *structure;
  GValue array = { 0 };
  GValue value = { 0 };

  caps = gst_caps_make_writable (caps);
  structure = gst_caps_get_structure (caps, 0);

  /* mark buffers */
  GST_BUFFER_FLAG_SET (buf1, GST_BUFFER_FLAG_IN_CAPS);
  GST_BUFFER_FLAG_SET (buf2, GST_BUFFER_FLAG_IN_CAPS);
  GST_BUFFER_FLAG_SET (buf3, GST_BUFFER_FLAG_IN_CAPS);

  /* put buffers in a fixed list */
  g_value_init (&array, GST_TYPE_ARRAY);
  g_value_init (&value, GST_TYPE_BUFFER);
  buf = gst_buffer_copy (buf1);
  gst_value_set_buffer (&value, buf);
  gst_buffer_unref (buf);
  gst_value_array_append_value (&array, &value);
  g_value_unset (&value);
  g_value_init (&value, GST_TYPE_BUFFER);
  buf = gst_buffer_copy (buf2);
  gst_value_set_buffer (&value, buf);
  gst_buffer_unref (buf);
  gst_value_array_append_value (&array, &value);
  g_value_unset (&value);
  g_value_init (&value, GST_TYPE_BUFFER);
  buf = gst_buffer_copy (buf3);
  gst_value_set_buffer (&value, buf);
  gst_buffer_unref (buf);
  gst_value_array_append_value (&array, &value);
  gst_structure_set_value (structure, "streamheader", &array);
  g_value_unset (&value);
  g_value_unset (&array);

  return caps;
}
static void
gst_ogg_parse_append_header (GValue * array, GstBuffer * buf)
{
  GValue value = { 0 };
  /* We require a copy to avoid circular refcounts */
  GstBuffer *buffer = gst_buffer_copy (buf);

  GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_HEADER);

  g_value_init (&value, GST_TYPE_BUFFER);
  gst_value_set_buffer (&value, buffer);
  gst_value_array_append_value (array, &value);
  g_value_unset (&value);

}
Exemple #10
0
static void
gst_rtp_mp4v_pay_new_caps (GstRtpMP4VPay * rtpmp4vpay)
{
  gchar *profile, *config;
  GValue v = { 0 };

  profile = g_strdup_printf ("%d", rtpmp4vpay->profile);
  g_value_init (&v, GST_TYPE_BUFFER);
  gst_value_set_buffer (&v, rtpmp4vpay->config);
  config = gst_value_serialize (&v);

  gst_basertppayload_set_outcaps (GST_BASE_RTP_PAYLOAD (rtpmp4vpay),
      "profile-level-id", G_TYPE_STRING, profile,
      "config", G_TYPE_STRING, config, NULL);

  g_value_unset (&v);

  g_free (profile);
  g_free (config);
}
GstCaps *
gst_kate_util_set_header_on_caps (GstElement * element, GstCaps * caps,
    GList * headers)
{
  GstStructure *structure;
  GValue array = { 0 };

  GST_LOG_OBJECT (element, "caps: %" GST_PTR_FORMAT, caps);

  if (G_UNLIKELY (!caps))
    return NULL;
  if (G_UNLIKELY (!headers))
    return NULL;

  caps = gst_caps_make_writable (caps);
  structure = gst_caps_get_structure (caps, 0);

  g_value_init (&array, GST_TYPE_ARRAY);

  while (headers) {
    GValue value = { 0 };
    GstBuffer *buffer = headers->data;
    g_assert (buffer);
    GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_IN_CAPS);
    g_value_init (&value, GST_TYPE_BUFFER);
    /* as in theoraenc, we need to copy to avoid circular references */
    buffer = gst_buffer_copy (buffer);
    gst_value_set_buffer (&value, buffer);
    gst_buffer_unref (buffer);
    gst_value_array_append_value (&array, &value);
    g_value_unset (&value);
    headers = headers->next;
  }

  gst_structure_set_value (structure, "streamheader", &array);
  g_value_unset (&array);
  GST_LOG_OBJECT (element, "here are the newly set caps: %" GST_PTR_FORMAT,
      caps);

  return caps;
}
static GstCaps *
theora_set_header_on_caps (GstCaps * caps, GList * buffers)
{
    GstStructure *structure;
    GValue array = { 0 };
    GValue value = { 0 };
    GstBuffer *buffer;
    GList *walk;

    caps = gst_caps_make_writable (caps);
    structure = gst_caps_get_structure (caps, 0);

    /* put copies of the buffers in a fixed list */
    g_value_init (&array, GST_TYPE_ARRAY);

    for (walk = buffers; walk; walk = walk->next) {
        buffer = walk->data;

        /* mark buffer */
        GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_HEADER);

        /* Copy buffer, because we can't use the original -
         * it creates a circular refcount with the caps<->buffers */
        buffer = gst_buffer_copy (buffer);

        g_value_init (&value, GST_TYPE_BUFFER);
        gst_value_set_buffer (&value, buffer);
        gst_value_array_append_value (&array, &value);
        g_value_unset (&value);

        /* Unref our copy */
        gst_buffer_unref (buffer);
    }

    gst_structure_set_value (structure, "streamheader", &array);
    g_value_unset (&array);

    return caps;
}
static gboolean
gst_rtp_mp4g_pay_new_caps (GstRtpMP4GPay * rtpmp4gpay)
{
  gchar *config;
  GValue v = { 0 };
  gboolean res;

#define MP4GCAPS						\
  "streamtype", G_TYPE_STRING, rtpmp4gpay->streamtype, 		\
  "profile-level-id", G_TYPE_STRING, rtpmp4gpay->profile,	\
  "mode", G_TYPE_STRING, rtpmp4gpay->mode,			\
  "config", G_TYPE_STRING, config,				\
  "sizelength", G_TYPE_STRING, "13",				\
  "indexlength", G_TYPE_STRING, "3",				\
  "indexdeltalength", G_TYPE_STRING, "3",			\
  NULL

  g_value_init (&v, GST_TYPE_BUFFER);
  gst_value_set_buffer (&v, rtpmp4gpay->config);
  config = gst_value_serialize (&v);

  /* hmm, silly */
  if (rtpmp4gpay->params) {
    res = gst_rtp_base_payload_set_outcaps (GST_RTP_BASE_PAYLOAD (rtpmp4gpay),
        "encoding-params", G_TYPE_STRING, rtpmp4gpay->params, MP4GCAPS);
  } else {
    res = gst_rtp_base_payload_set_outcaps (GST_RTP_BASE_PAYLOAD (rtpmp4gpay),
        MP4GCAPS);
  }

  g_value_unset (&v);
  g_free (config);

#undef MP4GCAPS
  return res;
}
static gboolean
gst_vp8_enc_set_format (GstBaseVideoEncoder * base_video_encoder,
    GstVideoState * state)
{
  GstVP8Enc *encoder;
  vpx_codec_enc_cfg_t cfg;
  vpx_codec_err_t status;
  vpx_image_t *image;
  guint8 *data = NULL;
  GstCaps *caps;
  gboolean ret;

  encoder = GST_VP8_ENC (base_video_encoder);
  GST_DEBUG_OBJECT (base_video_encoder, "set_format");

  if (encoder->inited) {
    GST_DEBUG_OBJECT (base_video_encoder, "refusing renegotiation");
    return FALSE;
  }

  status = vpx_codec_enc_config_default (&vpx_codec_vp8_cx_algo, &cfg, 0);
  if (status != VPX_CODEC_OK) {
    GST_ELEMENT_ERROR (encoder, LIBRARY, INIT,
        ("Failed to get default encoder configuration"), ("%s",
            gst_vpx_error_name (status)));
    return FALSE;
  }

  /* Scale default bitrate to our size */
  cfg.rc_target_bitrate = gst_util_uint64_scale (cfg.rc_target_bitrate,
      state->width * state->height,
      cfg.g_w * cfg.g_h);

  cfg.g_w = state->width;
  cfg.g_h = state->height;
  cfg.g_timebase.num = state->fps_d;
  cfg.g_timebase.den = state->fps_n;

  cfg.g_error_resilient = encoder->error_resilient;
  cfg.g_lag_in_frames = encoder->max_latency;
  cfg.g_threads = encoder->threads;
  cfg.rc_end_usage = encoder->mode;
  cfg.rc_2pass_vbr_minsection_pct = encoder->minsection_pct;
  cfg.rc_2pass_vbr_maxsection_pct = encoder->maxsection_pct;
  /* Standalone qp-min do not make any sence, with bitrate=0 and qp-min=1
   * encoder will use only default qp-max=63. Also this will make
   * worst possbile quality.
   */
  if (encoder->bitrate != DEFAULT_BITRATE ||
      encoder->max_quantizer != DEFAULT_MAX_QUANTIZER) {
    cfg.rc_target_bitrate = encoder->bitrate / 1000;
    cfg.rc_min_quantizer = encoder->min_quantizer;
    cfg.rc_max_quantizer = encoder->max_quantizer;
  } else {
    cfg.rc_min_quantizer = (gint) (63 - encoder->quality * 6.2);
    cfg.rc_max_quantizer = (gint) (63 - encoder->quality * 6.2);
  }
  cfg.rc_dropframe_thresh = encoder->drop_frame;
  cfg.rc_resize_allowed = encoder->resize_allowed;

  cfg.kf_mode = VPX_KF_AUTO;
  cfg.kf_min_dist = 0;
  cfg.kf_max_dist = encoder->max_keyframe_distance;

  cfg.g_pass = encoder->multipass_mode;
  if (encoder->multipass_mode == VPX_RC_FIRST_PASS) {
    encoder->first_pass_cache_content = g_byte_array_sized_new (4096);
  } else if (encoder->multipass_mode == VPX_RC_LAST_PASS) {
    GError *err = NULL;

    if (!encoder->multipass_cache_file) {
      GST_ELEMENT_ERROR (encoder, RESOURCE, OPEN_READ,
          ("No multipass cache file provided"), (NULL));
      return FALSE;
    }

    if (!g_file_get_contents (encoder->multipass_cache_file,
            (gchar **) & encoder->last_pass_cache_content.buf,
            &encoder->last_pass_cache_content.sz, &err)) {
      GST_ELEMENT_ERROR (encoder, RESOURCE, OPEN_READ,
          ("Failed to read multipass cache file provided"), ("%s",
              err->message));
      g_error_free (err);
      return FALSE;
    }
    cfg.rc_twopass_stats_in = encoder->last_pass_cache_content;
  }

  status = vpx_codec_enc_init (&encoder->encoder, &vpx_codec_vp8_cx_algo,
      &cfg, 0);
  if (status != VPX_CODEC_OK) {
    GST_ELEMENT_ERROR (encoder, LIBRARY, INIT,
        ("Failed to initialize encoder"), ("%s", gst_vpx_error_name (status)));
    return FALSE;
  }

  /* FIXME move this to a set_speed() function */
  status = vpx_codec_control (&encoder->encoder, VP8E_SET_CPUUSED,
      (encoder->speed == 0) ? 0 : (encoder->speed - 1));
  if (status != VPX_CODEC_OK) {
    GST_WARNING_OBJECT (encoder, "Failed to set VP8E_SET_CPUUSED to 0: %s",
        gst_vpx_error_name (status));
  }

  status = vpx_codec_control (&encoder->encoder, VP8E_SET_NOISE_SENSITIVITY,
      encoder->noise_sensitivity);
  status = vpx_codec_control (&encoder->encoder, VP8E_SET_SHARPNESS,
      encoder->sharpness);
  status = vpx_codec_control (&encoder->encoder, VP8E_SET_STATIC_THRESHOLD,
      encoder->static_threshold);
  status = vpx_codec_control (&encoder->encoder, VP8E_SET_TOKEN_PARTITIONS,
      encoder->partitions);
#if 0
  status = vpx_codec_control (&encoder->encoder, VP8E_SET_ARNR_MAXFRAMES,
      encoder->arnr_maxframes);
  status = vpx_codec_control (&encoder->encoder, VP8E_SET_ARNR_STRENGTH,
      encoder->arnr_strength);
  status = vpx_codec_control (&encoder->encoder, VP8E_SET_ARNR_TYPE,
      encoder->arnr_type);
#endif
#ifdef HAVE_VP8ENC_TUNING
  status = vpx_codec_control (&encoder->encoder, VP8E_SET_TUNING,
      encoder->tuning);
#endif

  status =
      vpx_codec_control (&encoder->encoder, VP8E_SET_ENABLEAUTOALTREF,
      (encoder->auto_alt_ref_frames ? 1 : 0));
  if (status != VPX_CODEC_OK) {
    GST_WARNING_OBJECT (encoder,
        "Failed to set VP8E_ENABLEAUTOALTREF to %d: %s",
        (encoder->auto_alt_ref_frames ? 1 : 0), gst_vpx_error_name (status));
  }

  cfg.g_lag_in_frames = encoder->lag_in_frames;

  gst_base_video_encoder_set_latency (base_video_encoder, 0,
      gst_util_uint64_scale (encoder->max_latency,
          state->fps_d * GST_SECOND, state->fps_n));
  encoder->inited = TRUE;

  /* prepare cached image buffer setup */
  image = &encoder->image;
  memset (image, 0, sizeof (*image));

  image->fmt = VPX_IMG_FMT_I420;
  image->bps = 12;
  image->x_chroma_shift = image->y_chroma_shift = 1;
  image->w = image->d_w = state->width;
  image->h = image->d_h = state->height;

  image->stride[VPX_PLANE_Y] =
      gst_video_format_get_row_stride (state->format, 0, state->width);
  image->stride[VPX_PLANE_U] =
      gst_video_format_get_row_stride (state->format, 1, state->width);
  image->stride[VPX_PLANE_V] =
      gst_video_format_get_row_stride (state->format, 2, state->width);
  image->planes[VPX_PLANE_Y] =
      data + gst_video_format_get_component_offset (state->format, 0,
      state->width, state->height);
  image->planes[VPX_PLANE_U] =
      data + gst_video_format_get_component_offset (state->format, 1,
      state->width, state->height);
  image->planes[VPX_PLANE_V] =
      data + gst_video_format_get_component_offset (state->format, 2,
      state->width, state->height);


  caps = gst_caps_new_simple ("video/x-vp8",
      "width", G_TYPE_INT, state->width,
      "height", G_TYPE_INT, state->height,
      "framerate", GST_TYPE_FRACTION, state->fps_n,
      state->fps_d,
      "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n,
      state->par_d, NULL);
  {
    GstStructure *s;
    GstBuffer *stream_hdr, *vorbiscomment;
    const GstTagList *iface_tags;
    GValue array = { 0, };
    GValue value = { 0, };
    s = gst_caps_get_structure (caps, 0);

    /* put buffers in a fixed list */
    g_value_init (&array, GST_TYPE_ARRAY);
    g_value_init (&value, GST_TYPE_BUFFER);

    /* Create Ogg stream-info */
    stream_hdr = gst_buffer_new_and_alloc (26);
    data = GST_BUFFER_DATA (stream_hdr);

    GST_WRITE_UINT8 (data, 0x4F);
    GST_WRITE_UINT32_BE (data + 1, 0x56503830); /* "VP80" */
    GST_WRITE_UINT8 (data + 5, 0x01);   /* stream info header */
    GST_WRITE_UINT8 (data + 6, 1);      /* Major version 1 */
    GST_WRITE_UINT8 (data + 7, 0);      /* Minor version 0 */
    GST_WRITE_UINT16_BE (data + 8, state->width);
    GST_WRITE_UINT16_BE (data + 10, state->height);
    GST_WRITE_UINT24_BE (data + 12, state->par_n);
    GST_WRITE_UINT24_BE (data + 15, state->par_d);
    GST_WRITE_UINT32_BE (data + 18, state->fps_n);
    GST_WRITE_UINT32_BE (data + 22, state->fps_d);

    GST_BUFFER_FLAG_SET (stream_hdr, GST_BUFFER_FLAG_IN_CAPS);
    gst_value_set_buffer (&value, stream_hdr);
    gst_value_array_append_value (&array, &value);
    g_value_unset (&value);
    gst_buffer_unref (stream_hdr);

    iface_tags =
        gst_tag_setter_get_tag_list (GST_TAG_SETTER (base_video_encoder));
    if (iface_tags) {
      vorbiscomment =
          gst_tag_list_to_vorbiscomment_buffer (iface_tags,
          (const guint8 *) "OVP80\2 ", 7,
          "Encoded with GStreamer vp8enc " PACKAGE_VERSION);

      GST_BUFFER_FLAG_SET (vorbiscomment, GST_BUFFER_FLAG_IN_CAPS);

      g_value_init (&value, GST_TYPE_BUFFER);
      gst_value_set_buffer (&value, vorbiscomment);
      gst_value_array_append_value (&array, &value);
      g_value_unset (&value);
      gst_buffer_unref (vorbiscomment);
    }

    gst_structure_set_value (s, "streamheader", &array);
    g_value_unset (&array);
  }

  ret = gst_pad_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD (encoder), caps);
  gst_caps_unref (caps);

  return ret;
}
static void
output_loop (gpointer data)
{
  GstPad *pad;
  GOmxCore *gomx;
  GOmxPort *out_port;
  GstOmxBaseFilter *self;
  GstFlowReturn ret = GST_FLOW_OK;

  pad = data;
  self = GST_OMX_BASE_FILTER (gst_pad_get_parent (pad));
  gomx = self->gomx;

  GST_LOG_OBJECT (self, "begin");

  /* do not bother if we have been setup to bail out */
  if ((ret = g_atomic_int_get (&self->last_pad_push_return)) != GST_FLOW_OK)
    goto leave;

  if (!self->ready) {
    g_error ("not ready");
    return;
  }

  out_port = self->out_port;

  if (G_LIKELY (out_port->enabled)) {
    OMX_BUFFERHEADERTYPE *omx_buffer = NULL;

    GST_LOG_OBJECT (self, "request buffer");
    omx_buffer = g_omx_port_request_buffer (out_port);

    GST_LOG_OBJECT (self, "omx_buffer: %p", omx_buffer);

    if (G_UNLIKELY (!omx_buffer)) {
      GST_WARNING_OBJECT (self, "null buffer: leaving");
      ret = GST_FLOW_WRONG_STATE;
      goto leave;
    }

    log_buffer (self, omx_buffer);

    if (G_LIKELY (omx_buffer->nFilledLen > 0)) {
      GstBuffer *buf;

#if 1
            /** @todo remove this check */
      if (G_LIKELY (self->in_port->enabled)) {
        GstCaps *caps = NULL;

        caps = gst_pad_get_negotiated_caps (self->srcpad);

#ifdef ANDROID
        if (!caps || gomx->settings_changed) {
#else
        if (!caps) {
#endif
                    /** @todo We shouldn't be doing this. */
          GST_WARNING_OBJECT (self, "faking settings changed notification");
          if (gomx->settings_changed_cb)
            gomx->settings_changed_cb (gomx);
#ifdef ANDROID
          gomx->settings_changed = FALSE;
#endif
        } else {
          GST_LOG_OBJECT (self, "caps already fixed: %" GST_PTR_FORMAT, caps);
          gst_caps_unref (caps);
        }
      }
#endif

      /* buf is always null when the output buffer pointer isn't shared. */
      buf = omx_buffer->pAppPrivate;

            /** @todo we need to move all the caps handling to one single
             * place, in the output loop probably. */
      if (G_UNLIKELY (omx_buffer->nFlags & 0x80)) {
        GstCaps *caps = NULL;
        GstStructure *structure;
        GValue value = { 0, {{0}
            }
        };

        caps = gst_pad_get_negotiated_caps (self->srcpad);
        caps = gst_caps_make_writable (caps);
        structure = gst_caps_get_structure (caps, 0);

        g_value_init (&value, GST_TYPE_BUFFER);
        buf = gst_buffer_new_and_alloc (omx_buffer->nFilledLen);
        memcpy (GST_BUFFER_DATA (buf),
            omx_buffer->pBuffer + omx_buffer->nOffset, omx_buffer->nFilledLen);
        gst_value_set_buffer (&value, buf);
        gst_buffer_unref (buf);
        gst_structure_set_value (structure, "codec_data", &value);
        g_value_unset (&value);

        gst_pad_set_caps (self->srcpad, caps);
      } else if (buf && !(omx_buffer->nFlags & OMX_BUFFERFLAG_EOS)) {
        GST_BUFFER_SIZE (buf) = omx_buffer->nFilledLen;
        if (self->use_timestamps) {
          GST_BUFFER_TIMESTAMP (buf) =
              gst_util_uint64_scale_int (omx_buffer->nTimeStamp, GST_SECOND,
              OMX_TICKS_PER_SECOND);
        }

        omx_buffer->pAppPrivate = NULL;
        omx_buffer->pBuffer = NULL;

        ret = push_buffer (self, buf);

        gst_buffer_unref (buf);
      } else {
        /* This is only meant for the first OpenMAX buffers,
         * which need to be pre-allocated. */
        /* Also for the very last one. */
        ret = gst_pad_alloc_buffer_and_set_caps (self->srcpad,
            GST_BUFFER_OFFSET_NONE,
            omx_buffer->nFilledLen, GST_PAD_CAPS (self->srcpad), &buf);

        if (G_LIKELY (buf)) {
          memcpy (GST_BUFFER_DATA (buf),
              omx_buffer->pBuffer + omx_buffer->nOffset,
              omx_buffer->nFilledLen);
          if (self->use_timestamps) {
            GST_BUFFER_TIMESTAMP (buf) =
                gst_util_uint64_scale_int (omx_buffer->nTimeStamp, GST_SECOND,
                OMX_TICKS_PER_SECOND);
          }

          if (self->share_output_buffer) {
            GST_WARNING_OBJECT (self, "couldn't zero-copy");
            /* If pAppPrivate is NULL, it means it was a dummy
             * allocation, free it. */
            if (!omx_buffer->pAppPrivate) {
              g_free (omx_buffer->pBuffer);
              omx_buffer->pBuffer = NULL;
            }
          }

          ret = push_buffer (self, buf);
        } else {
          GST_WARNING_OBJECT (self, "couldn't allocate buffer of size %lu",
              omx_buffer->nFilledLen);
        }
      }
    } else {
      GST_WARNING_OBJECT (self, "empty buffer");
    }

    if (self->share_output_buffer &&
        !omx_buffer->pBuffer && omx_buffer->nOffset == 0) {
      GstBuffer *buf;
      GstFlowReturn result;

      GST_LOG_OBJECT (self, "allocate buffer");
      result = gst_pad_alloc_buffer_and_set_caps (self->srcpad,
          GST_BUFFER_OFFSET_NONE,
          omx_buffer->nAllocLen, GST_PAD_CAPS (self->srcpad), &buf);

      if (G_LIKELY (result == GST_FLOW_OK)) {
        gst_buffer_ref (buf);
        omx_buffer->pAppPrivate = buf;

        omx_buffer->pBuffer = GST_BUFFER_DATA (buf);
        omx_buffer->nAllocLen = GST_BUFFER_SIZE (buf);
      } else {
        GST_WARNING_OBJECT (self,
            "could not pad allocate buffer, using malloc");
        omx_buffer->pBuffer = g_malloc (omx_buffer->nAllocLen);
      }
    }

    if (self->share_output_buffer && !omx_buffer->pBuffer) {
      GST_ERROR_OBJECT (self, "no input buffer to share");
    }

    if (G_UNLIKELY (omx_buffer->nFlags & OMX_BUFFERFLAG_EOS)) {
      GST_DEBUG_OBJECT (self, "got eos");
      gst_pad_push_event (self->srcpad, gst_event_new_eos ());
      omx_buffer->nFlags &= ~OMX_BUFFERFLAG_EOS;
      ret = GST_FLOW_UNEXPECTED;
    }

    omx_buffer->nFilledLen = 0;
    GST_LOG_OBJECT (self, "release_buffer");
    g_omx_port_release_buffer (out_port, omx_buffer);
  }

leave:

  self->last_pad_push_return = ret;

  if (gomx->omx_error != OMX_ErrorNone)
    ret = GST_FLOW_ERROR;

  if (ret != GST_FLOW_OK) {
    GST_INFO_OBJECT (self, "pause task, reason:  %s", gst_flow_get_name (ret));
    gst_pad_pause_task (self->srcpad);
  }

  GST_LOG_OBJECT (self, "end");

  gst_object_unref (self);
}

static GstFlowReturn
pad_chain (GstPad * pad, GstBuffer * buf)
{
  GOmxCore *gomx;
  GOmxPort *in_port;
  GstOmxBaseFilter *self;
  GstFlowReturn ret = GST_FLOW_OK;

  self = GST_OMX_BASE_FILTER (GST_OBJECT_PARENT (pad));

  gomx = self->gomx;

  GST_LOG_OBJECT (self, "begin");
  GST_LOG_OBJECT (self, "gst_buffer: size=%u", GST_BUFFER_SIZE (buf));

  GST_LOG_OBJECT (self, "state: %d", gomx->omx_state);

  if (G_UNLIKELY (gomx->omx_state == OMX_StateLoaded)) {
    g_mutex_lock (self->ready_lock);

    GST_INFO_OBJECT (self, "omx: prepare");

        /** @todo this should probably go after doing preparations. */
    if (self->omx_setup) {
      self->omx_setup (self);
    }

    setup_ports (self);

    g_omx_core_prepare (self->gomx);

    if (gomx->omx_state == OMX_StateIdle) {
      self->ready = TRUE;
      GST_INFO_OBJECT (self, "start srcpad task");
      gst_pad_start_task (self->srcpad, output_loop, self->srcpad);
    }

    g_mutex_unlock (self->ready_lock);

    if (gomx->omx_state != OMX_StateIdle)
      goto out_flushing;
  }

#ifdef ANDROID
  if (gomx->settings_changed) {
    GST_DEBUG_OBJECT (self, "settings changed called from streaming thread... Android");
    if (gomx->settings_changed_cb)
      gomx->settings_changed_cb (gomx);

    gomx->settings_changed = FALSE;
  }
#endif

  in_port = self->in_port;

  if (G_LIKELY (in_port->enabled)) {
    guint buffer_offset = 0;

    if (G_UNLIKELY (gomx->omx_state == OMX_StateIdle)) {
      GST_INFO_OBJECT (self, "omx: play");
      g_omx_core_start (gomx);

      if (gomx->omx_state != OMX_StateExecuting)
        goto out_flushing;

      /* send buffer with codec data flag */
            /** @todo move to util */
      if (self->codec_data) {
        OMX_BUFFERHEADERTYPE *omx_buffer;

        GST_LOG_OBJECT (self, "request buffer");
        omx_buffer = g_omx_port_request_buffer (in_port);

        if (G_LIKELY (omx_buffer)) {
          omx_buffer->nFlags |= 0x00000080;     /* codec data flag */

          omx_buffer->nFilledLen = GST_BUFFER_SIZE (self->codec_data);
          memcpy (omx_buffer->pBuffer + omx_buffer->nOffset,
              GST_BUFFER_DATA (self->codec_data), omx_buffer->nFilledLen);

          GST_LOG_OBJECT (self, "release_buffer");
          g_omx_port_release_buffer (in_port, omx_buffer);
        }
      }
    }

    if (G_UNLIKELY (gomx->omx_state != OMX_StateExecuting)) {
      GST_ERROR_OBJECT (self, "Whoa! very wrong");
    }

    while (G_LIKELY (buffer_offset < GST_BUFFER_SIZE (buf))) {
      OMX_BUFFERHEADERTYPE *omx_buffer;

      if (self->last_pad_push_return != GST_FLOW_OK ||
          !(gomx->omx_state == OMX_StateExecuting ||
              gomx->omx_state == OMX_StatePause)) {
        goto out_flushing;
      }

      GST_LOG_OBJECT (self, "request buffer");
      omx_buffer = g_omx_port_request_buffer (in_port);

      GST_LOG_OBJECT (self, "omx_buffer: %p", omx_buffer);

      if (G_LIKELY (omx_buffer)) {
        log_buffer (self, omx_buffer);

        if (omx_buffer->nOffset == 0 && self->share_input_buffer) {
          {
            GstBuffer *old_buf;
            old_buf = omx_buffer->pAppPrivate;

            if (old_buf) {
              gst_buffer_unref (old_buf);
            } else if (omx_buffer->pBuffer) {
              g_free (omx_buffer->pBuffer);
            }
          }

          omx_buffer->pBuffer = GST_BUFFER_DATA (buf);
          omx_buffer->nAllocLen = GST_BUFFER_SIZE (buf);
          omx_buffer->nFilledLen = GST_BUFFER_SIZE (buf);
          omx_buffer->pAppPrivate = buf;
        } else {
          omx_buffer->nFilledLen = MIN (GST_BUFFER_SIZE (buf) - buffer_offset,
              omx_buffer->nAllocLen - omx_buffer->nOffset);
          memcpy (omx_buffer->pBuffer + omx_buffer->nOffset,
              GST_BUFFER_DATA (buf) + buffer_offset, omx_buffer->nFilledLen);
        }

        if (self->use_timestamps) {
          GstClockTime timestamp_offset = 0;

          if (buffer_offset && GST_BUFFER_DURATION (buf) != GST_CLOCK_TIME_NONE) {
            timestamp_offset = gst_util_uint64_scale_int (buffer_offset,
                GST_BUFFER_DURATION (buf), GST_BUFFER_SIZE (buf));
          }

          omx_buffer->nTimeStamp =
              gst_util_uint64_scale_int (GST_BUFFER_TIMESTAMP (buf) +
              timestamp_offset, OMX_TICKS_PER_SECOND, GST_SECOND);
        }

        buffer_offset += omx_buffer->nFilledLen;
#ifdef ANDROID
        omx_buffer->nFlags |= OMX_BUFFERFLAG_ENDOFFRAME;
        log_buffer (self, omx_buffer);
#endif

        GST_LOG_OBJECT (self, "release_buffer");
                /** @todo untaint buffer */
        g_omx_port_release_buffer (in_port, omx_buffer);
      } else {
        GST_WARNING_OBJECT (self, "null buffer");
        ret = GST_FLOW_WRONG_STATE;
        goto out_flushing;
      }
    }
  } else {
    GST_WARNING_OBJECT (self, "done");
    ret = GST_FLOW_UNEXPECTED;
  }

  if (!self->share_input_buffer) {
    gst_buffer_unref (buf);
  }

leave:

  GST_LOG_OBJECT (self, "end");

  return ret;

  /* special conditions */
out_flushing:
  {
    const gchar *error_msg = NULL;

    if (gomx->omx_error) {
      error_msg = "Error from OpenMAX component";
    } else if (gomx->omx_state != OMX_StateExecuting &&
        gomx->omx_state != OMX_StatePause) {
      error_msg = "OpenMAX component in wrong state";
    }

    if (error_msg) {
      GST_ELEMENT_ERROR (self, STREAM, FAILED, (NULL), ("%s", error_msg));
      ret = GST_FLOW_ERROR;
    }

    gst_buffer_unref (buf);

    goto leave;
  }
}
Exemple #16
0
static void
gst_vp8_enc_set_stream_info (GstVPXEnc * enc, GstCaps * caps,
    GstVideoInfo * info)
{
  GstStructure *s;
  GstVideoEncoder *video_encoder;
  GstBuffer *stream_hdr, *vorbiscomment;
  const GstTagList *iface_tags;
  GValue array = { 0, };
  GValue value = { 0, };
  guint8 *data = NULL;
  GstMapInfo map;

  video_encoder = GST_VIDEO_ENCODER (enc);
  s = gst_caps_get_structure (caps, 0);

  /* put buffers in a fixed list */
  g_value_init (&array, GST_TYPE_ARRAY);
  g_value_init (&value, GST_TYPE_BUFFER);

  /* Create Ogg stream-info */
  stream_hdr = gst_buffer_new_and_alloc (26);
  gst_buffer_map (stream_hdr, &map, GST_MAP_WRITE);
  data = map.data;

  GST_WRITE_UINT8 (data, 0x4F);
  GST_WRITE_UINT32_BE (data + 1, 0x56503830);   /* "VP80" */
  GST_WRITE_UINT8 (data + 5, 0x01);     /* stream info header */
  GST_WRITE_UINT8 (data + 6, 1);        /* Major version 1 */
  GST_WRITE_UINT8 (data + 7, 0);        /* Minor version 0 */
  GST_WRITE_UINT16_BE (data + 8, GST_VIDEO_INFO_WIDTH (info));
  GST_WRITE_UINT16_BE (data + 10, GST_VIDEO_INFO_HEIGHT (info));
  GST_WRITE_UINT24_BE (data + 12, GST_VIDEO_INFO_PAR_N (info));
  GST_WRITE_UINT24_BE (data + 15, GST_VIDEO_INFO_PAR_D (info));
  GST_WRITE_UINT32_BE (data + 18, GST_VIDEO_INFO_FPS_N (info));
  GST_WRITE_UINT32_BE (data + 22, GST_VIDEO_INFO_FPS_D (info));

  gst_buffer_unmap (stream_hdr, &map);

  GST_BUFFER_FLAG_SET (stream_hdr, GST_BUFFER_FLAG_HEADER);
  gst_value_set_buffer (&value, stream_hdr);
  gst_value_array_append_value (&array, &value);
  g_value_unset (&value);
  gst_buffer_unref (stream_hdr);

  iface_tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (video_encoder));
  if (iface_tags) {
    vorbiscomment =
        gst_tag_list_to_vorbiscomment_buffer (iface_tags,
        (const guint8 *) "OVP80\2 ", 7,
        "Encoded with GStreamer vp8enc " PACKAGE_VERSION);

    GST_BUFFER_FLAG_SET (vorbiscomment, GST_BUFFER_FLAG_HEADER);

    g_value_init (&value, GST_TYPE_BUFFER);
    gst_value_set_buffer (&value, vorbiscomment);
    gst_value_array_append_value (&array, &value);
    g_value_unset (&value);
    gst_buffer_unref (vorbiscomment);
  }

  gst_structure_set_value (s, "streamheader", &array);
  g_value_unset (&array);

}
static void
output_loop (gpointer data)
{
    GstPad *pad;
    GOmxCore *gomx;
    GOmxPort *out_port;
    GstOmxBaseFilter2 *self;
    GstFlowReturn ret = GST_FLOW_OK;
    GstOmxBaseFilter2Class *bclass;

    pad = data;
    self = GST_OMX_BASE_FILTER2 (gst_pad_get_parent (pad));
    gomx = self->gomx;

    bclass = GST_OMX_BASE_FILTER2_GET_CLASS (self);

    GST_LOG_OBJECT (self, "begin");

    if (!self->ready)
    {
        g_error ("not ready");
        return;
    }

    out_port = (GOmxPort *)gst_pad_get_element_private(pad);

    if (G_LIKELY (out_port->enabled))
    {
        gpointer obj = g_omx_port_recv (out_port);

        if (G_UNLIKELY (!obj))
        {
            GST_WARNING_OBJECT (self, "null buffer: leaving");
            ret = GST_FLOW_WRONG_STATE;
            goto leave;
        }

        if (G_LIKELY (GST_IS_BUFFER (obj)))
        {
            if (G_UNLIKELY (GST_BUFFER_FLAG_IS_SET (obj, GST_BUFFER_FLAG_IN_CAPS)))
            {
                GstCaps *caps = NULL;
                GstStructure *structure;
                GValue value = { 0 };

                caps = gst_pad_get_negotiated_caps (pad);
                caps = gst_caps_make_writable (caps);
                structure = gst_caps_get_structure (caps, 0);

                g_value_init (&value, GST_TYPE_BUFFER);
                gst_value_set_buffer (&value, obj);
                gst_buffer_unref (obj);
                gst_structure_set_value (structure, "codec_data", &value);
                g_value_unset (&value);

                gst_pad_set_caps (pad, caps);
            }
            else
            {
                GstBuffer *buf = GST_BUFFER (obj);
                ret = bclass->push_buffer (self, buf);
                GST_DEBUG_OBJECT (self, "ret=%s", gst_flow_get_name (ret));
				// HACK!! Dont care if one of the output pads are not connected
                ret = GST_FLOW_OK;
            }
        }
        else if (GST_IS_EVENT (obj))
        {
            GST_DEBUG_OBJECT (self, "got eos");
            gst_pad_push_event (pad, obj);
            ret = GST_FLOW_UNEXPECTED;
            goto leave;
        }

    }

leave:

    self->last_pad_push_return = ret;

    if (gomx->omx_error != OMX_ErrorNone)
    {
        GST_DEBUG_OBJECT (self, "omx_error=%s", g_omx_error_to_str (gomx->omx_error));
        ret = GST_FLOW_ERROR;
    }

    if (ret != GST_FLOW_OK)
    {
        GST_INFO_OBJECT (self, "pause task, reason:  %s",
                         gst_flow_get_name (ret));
        gst_pad_pause_task (pad);
    }

    GST_LOG_OBJECT (self, "end");

    gst_object_unref (self);
}
Exemple #18
0
static GstCaps *
gst_vp8_enc_get_caps (GstBaseVideoEncoder * base_video_encoder)
{
  GstCaps *caps;
  const GstVideoState *state;
  GstTagList *tags = NULL;
  const GstTagList *iface_tags;
  GstBuffer *stream_hdr, *vorbiscomment;
  guint8 *data;
  GstStructure *s;
  GValue array = { 0 };
  GValue value = { 0 };

  state = gst_base_video_encoder_get_state (base_video_encoder);

  caps = gst_caps_new_simple ("video/x-vp8",
      "width", G_TYPE_INT, state->width,
      "height", G_TYPE_INT, state->height,
      "framerate", GST_TYPE_FRACTION, state->fps_n,
      state->fps_d,
      "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n,
      state->par_d, NULL);

  s = gst_caps_get_structure (caps, 0);

  /* put buffers in a fixed list */
  g_value_init (&array, GST_TYPE_ARRAY);
  g_value_init (&value, GST_TYPE_BUFFER);

  /* Create Ogg stream-info */
  stream_hdr = gst_buffer_new_and_alloc (26);
  data = GST_BUFFER_DATA (stream_hdr);

  GST_WRITE_UINT8 (data, 0x4F);
  GST_WRITE_UINT32_BE (data + 1, 0x56503830);   /* "VP80" */
  GST_WRITE_UINT8 (data + 5, 0x01);     /* stream info header */
  GST_WRITE_UINT8 (data + 6, 1);        /* Major version 1 */
  GST_WRITE_UINT8 (data + 7, 0);        /* Minor version 0 */
  GST_WRITE_UINT16_BE (data + 8, state->width);
  GST_WRITE_UINT16_BE (data + 10, state->height);
  GST_WRITE_UINT24_BE (data + 12, state->par_n);
  GST_WRITE_UINT24_BE (data + 15, state->par_d);
  GST_WRITE_UINT32_BE (data + 18, state->fps_n);
  GST_WRITE_UINT32_BE (data + 22, state->fps_d);

  GST_BUFFER_FLAG_SET (stream_hdr, GST_BUFFER_FLAG_IN_CAPS);
  gst_value_set_buffer (&value, stream_hdr);
  gst_value_array_append_value (&array, &value);
  g_value_unset (&value);
  gst_buffer_unref (stream_hdr);

  iface_tags =
      gst_tag_setter_get_tag_list (GST_TAG_SETTER (base_video_encoder));
  if (iface_tags) {
    vorbiscomment =
        gst_tag_list_to_vorbiscomment_buffer ((iface_tags) ? iface_tags : tags,
        (const guint8 *) "OVP80\2 ", 7,
        "Encoded with GStreamer vp8enc " PACKAGE_VERSION);

    GST_BUFFER_FLAG_SET (vorbiscomment, GST_BUFFER_FLAG_IN_CAPS);

    g_value_init (&value, GST_TYPE_BUFFER);
    gst_value_set_buffer (&value, vorbiscomment);
    gst_value_array_append_value (&array, &value);
    g_value_unset (&value);
    gst_buffer_unref (vorbiscomment);
  }

  gst_structure_set_value (s, "streamheader", &array);
  g_value_unset (&array);

  return caps;
}
static void
output_loop (gpointer data)
{
    GstPad *pad;
    GOmxCore *gomx;
    GOmxPort *out_port;
    GstOmxBaseFilter *self;
    GstFlowReturn ret = GST_FLOW_OK;

    pad = data;
    self = GST_OMX_BASE_FILTER (gst_pad_get_parent (pad));
    gomx = self->gomx;

    GST_LOG_OBJECT (self, "begin");

    if (!self->ready)
    {
        g_error ("not ready");
        return;
    }

    out_port = self->out_port;

    if (G_LIKELY (out_port->enabled))
    {
        OMX_BUFFERHEADERTYPE *omx_buffer = NULL;

        GST_LOG_OBJECT (self, "request buffer");
        omx_buffer = g_omx_port_request_buffer (out_port);

        GST_LOG_OBJECT (self, "omx_buffer: %p", omx_buffer);

        if (G_UNLIKELY (!omx_buffer))
        {
            GST_WARNING_OBJECT (self, "null buffer: leaving");
            ret = GST_FLOW_WRONG_STATE;
            goto leave;
        }

        GST_DEBUG_OBJECT (self, "omx_buffer: size=%lu, len=%lu, flags=%lu, offset=%lu, timestamp=%lld",
                          omx_buffer->nAllocLen, omx_buffer->nFilledLen, omx_buffer->nFlags,
                          omx_buffer->nOffset, omx_buffer->nTimeStamp);

        if (G_LIKELY (omx_buffer->nFilledLen > 0))
        {
            GstBuffer *buf;

#if 1
            /** @todo remove this check */
            if (G_LIKELY (self->in_port->enabled))
            {
                GstCaps *caps = NULL;

                caps = gst_pad_get_negotiated_caps (self->srcpad);

                if (!caps)
                {
                    /** @todo We shouldn't be doing this. */
                    GST_WARNING_OBJECT (self, "faking settings changed notification");
                    if (gomx->settings_changed_cb)
                        gomx->settings_changed_cb (gomx);
                }
                else
                {
                    GST_LOG_OBJECT (self, "caps already fixed: %" GST_PTR_FORMAT, caps);
                    gst_caps_unref (caps);
                }
            }
#endif

            /* buf is always null when the output buffer pointer isn't shared. */
            buf = omx_buffer->pAppPrivate;

            /** @todo we need to move all the caps handling to one single
             * place, in the output loop probably. */
            if (G_UNLIKELY (omx_buffer->nFlags & 0x80))
            {
                GstCaps *caps = NULL;
                GstStructure *structure;
                GValue value = { 0 };

                caps = gst_pad_get_negotiated_caps (self->srcpad);
                caps = gst_caps_make_writable (caps);
                structure = gst_caps_get_structure (caps, 0);

                g_value_init (&value, GST_TYPE_BUFFER);
                buf = gst_buffer_new_and_alloc (omx_buffer->nFilledLen);
                memcpy (GST_BUFFER_DATA (buf), omx_buffer->pBuffer + omx_buffer->nOffset, omx_buffer->nFilledLen);
                gst_value_set_buffer (&value, buf);
                gst_buffer_unref (buf);
                gst_structure_set_value (structure, "codec_data", &value);
                g_value_unset (&value);

                gst_pad_set_caps (self->srcpad, caps);
            }
            else if (buf && !(omx_buffer->nFlags & OMX_BUFFERFLAG_EOS))
            {
                GST_BUFFER_SIZE (buf) = omx_buffer->nFilledLen;
                if (self->use_timestamps)
                {
                    GST_BUFFER_TIMESTAMP (buf) = gst_util_uint64_scale_int (omx_buffer->nTimeStamp,
                                                                            GST_SECOND,
                                                                            OMX_TICKS_PER_SECOND);
                }

                omx_buffer->pAppPrivate = NULL;
                omx_buffer->pBuffer = NULL;

                ret = push_buffer (self, buf);

                gst_buffer_unref (buf);
            }
            else
            {
                /* This is only meant for the first OpenMAX buffers,
                 * which need to be pre-allocated. */
                /* Also for the very last one. */
                ret = gst_pad_alloc_buffer_and_set_caps (self->srcpad,
                                                         GST_BUFFER_OFFSET_NONE,
                                                         omx_buffer->nFilledLen,
                                                         GST_PAD_CAPS (self->srcpad),
                                                         &buf);

                if (G_LIKELY (buf))
                {
                    memcpy (GST_BUFFER_DATA (buf), omx_buffer->pBuffer + omx_buffer->nOffset, omx_buffer->nFilledLen);
                    if (self->use_timestamps)
                    {
                        GST_BUFFER_TIMESTAMP (buf) = gst_util_uint64_scale_int (omx_buffer->nTimeStamp,
                                                                                GST_SECOND,
                                                                                OMX_TICKS_PER_SECOND);
                    }

                    if (self->share_output_buffer)
                    {
                        GST_WARNING_OBJECT (self, "couldn't zero-copy");
                        /* If pAppPrivate is NULL, it means it was a dummy
                         * allocation, free it. */
                        if (!omx_buffer->pAppPrivate)
                        {
                            g_free (omx_buffer->pBuffer);
                            omx_buffer->pBuffer = NULL;
                        }
                    }

                    ret = push_buffer (self, buf);
                }
                else
                {
                    GST_WARNING_OBJECT (self, "couldn't allocate buffer of size %d",
                                        omx_buffer->nFilledLen);
                }
            }
        }
        else
        {
            GST_WARNING_OBJECT (self, "empty buffer");
        }

        if (G_UNLIKELY (omx_buffer->nFlags & OMX_BUFFERFLAG_EOS))
        {
            GST_DEBUG_OBJECT (self, "got eos");
            gst_pad_push_event (self->srcpad, gst_event_new_eos ());
            ret = GST_FLOW_UNEXPECTED;
            goto leave;
        }

        if (self->share_output_buffer &&
            !omx_buffer->pBuffer &&
            omx_buffer->nOffset == 0)
        {
            GstBuffer *buf;
            GstFlowReturn result;

            GST_LOG_OBJECT (self, "allocate buffer");
            result = gst_pad_alloc_buffer_and_set_caps (self->srcpad,
                                                        GST_BUFFER_OFFSET_NONE,
                                                        omx_buffer->nAllocLen,
                                                        GST_PAD_CAPS (self->srcpad),
                                                        &buf);

            if (G_LIKELY (result == GST_FLOW_OK))
            {
                gst_buffer_ref (buf);
                omx_buffer->pAppPrivate = buf;

                omx_buffer->pBuffer = GST_BUFFER_DATA (buf);
                omx_buffer->nAllocLen = GST_BUFFER_SIZE (buf);
            }
            else
            {
                GST_WARNING_OBJECT (self, "could not pad allocate buffer, using malloc");
                omx_buffer->pBuffer = g_malloc (omx_buffer->nAllocLen);
            }
        }

        if (self->share_output_buffer &&
            !omx_buffer->pBuffer)
        {
            GST_ERROR_OBJECT (self, "no input buffer to share");
        }

        omx_buffer->nFilledLen = 0;
        GST_LOG_OBJECT (self, "release_buffer");
        g_omx_port_release_buffer (out_port, omx_buffer);
    }

leave:

    self->last_pad_push_return = ret;

    if (gomx->omx_error != OMX_ErrorNone)
        ret = GST_FLOW_ERROR;

    if (ret != GST_FLOW_OK)
    {
        GST_INFO_OBJECT (self, "pause task, reason:  %s",
                         gst_flow_get_name (ret));
        gst_pad_pause_task (self->srcpad);
    }

    GST_LOG_OBJECT (self, "end");

    gst_object_unref (self);
}
Exemple #20
0
static int
gst_ffmpegdata_write (URLContext * h, unsigned char *buf, int size)
{
  GstProtocolInfo *info;
  GstBuffer *outbuf;

  GST_DEBUG ("Writing %d bytes", size);
  info = (GstProtocolInfo *) h->priv_data;

  g_return_val_if_fail (h->flags != URL_RDONLY, -EIO);

  /*
   * WHISPERCAST BEGIN: set the "streamheader" value on the source pad caps,
   * so we are able to use ffmpegmux with fdsink/multifdsink/etc...
  */
  if (info->set_streamheader) {
    GstCaps *caps;
    GstStructure *structure;
  
    GValue array = { 0 };
    GstBuffer *copy;
    GValue value = { 0 };
  
    caps = gst_pad_get_caps(info->pad);
    caps = gst_caps_make_writable (caps);
  
    structure = gst_caps_get_structure (caps, 0);
  
    /* put buffers in a fixed list */
    g_value_init (&array, GST_TYPE_ARRAY);
  
    g_value_init (&value, GST_TYPE_BUFFER);
    copy = gst_buffer_new_and_alloc (size);
    memcpy (GST_BUFFER_DATA (copy), buf, size);
    gst_value_set_buffer (&value, copy);
    gst_buffer_unref (copy);
    gst_value_array_append_value (&array, &value);
    g_value_unset (&value);
  
    gst_structure_set_value (structure, "streamheader", &array);
    g_value_unset (&array);
  
    gst_pad_set_caps(info->pad, caps);
    gst_caps_unref(caps);
  }
  /* WHISPERCAST END */
  
  /* create buffer and push data further */
  if (gst_pad_alloc_buffer_and_set_caps (info->pad,
          info->offset, size, GST_PAD_CAPS (info->pad), &outbuf) != GST_FLOW_OK)
    return 0;

  /*
   * WHISPERCAST BEGIN: mark the buffer as added to the source pad's caps.
  */
  if (info->set_streamheader) {
    GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_IN_CAPS);
    info->set_streamheader = 0;
  }
  /* WHISPERCAST END */
  
  memcpy (GST_BUFFER_DATA (outbuf), buf, size);

  if (gst_pad_push (info->pad, outbuf) != GST_FLOW_OK)
    return 0;

  info->offset += size;
  return size;
}