static GstCaps *
gst_gl_filter_transform_caps (GstBaseTransform * bt,
GstPadDirection direction, GstCaps * caps)
{
//GstGLFilter* filter = GST_GL_FILTER (bt);
GstStructure *structure = gst_caps_get_structure (caps, 0);
GstCaps *ret = gst_caps_copy (caps);
const GValue *par = NULL;
structure = gst_structure_copy (gst_caps_get_structure (ret, 0));
gst_structure_set (structure,
"width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
gst_caps_merge_structure (ret, gst_structure_copy (structure));
if ((par = gst_structure_get_value (structure, "pixel-aspect-ratio"))) {
gst_structure_set (structure,
"pixel-aspect-ratio", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
gst_caps_merge_structure (ret, structure);
} else
gst_structure_free (structure);
GST_DEBUG_OBJECT (bt, "returning caps: %" GST_PTR_FORMAT, ret);
return ret;
}
static gboolean
gst_vaapidecode_ensure_allowed_caps(GstVaapiDecode *decode)
{
GstCaps *decode_caps;
guint i, n_decode_caps;
if (decode->allowed_caps)
return TRUE;
if (!gst_vaapidecode_ensure_display(decode))
goto error_no_display;
decode_caps = gst_vaapi_display_get_decode_caps(decode->display);
if (!decode_caps)
goto error_no_decode_caps;
n_decode_caps = gst_caps_get_size(decode_caps);
decode->allowed_caps = gst_caps_new_empty();
if (!decode->allowed_caps)
goto error_no_memory;
for (i = 0; i < n_decode_caps; i++) {
GstStructure *structure;
structure = gst_caps_get_structure(decode_caps, i);
if (!structure)
continue;
structure = gst_structure_copy(structure);
if (!structure)
continue;
gst_structure_remove_field(structure, "profile");
gst_structure_set(
structure,
"width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT,
NULL
);
gst_caps_merge_structure(decode->allowed_caps, structure);
}
gst_caps_unref(decode_caps);
return TRUE;
/* ERRORS */
error_no_display:
{
GST_DEBUG("failed to retrieve VA display");
return FALSE;
}
error_no_decode_caps:
{
GST_DEBUG("failed to retrieve VA decode caps");
return FALSE;
}
error_no_memory:
{
GST_DEBUG("failed to allocate allowed-caps set");
gst_caps_unref(decode_caps);
return FALSE;
}
}
GstCaps * _owr_payload_create_encoded_caps(OwrPayload *payload)
{
GstCaps *caps;
g_return_val_if_fail(OWR_IS_PAYLOAD(payload), NULL);
switch (payload->priv->codec_type) {
case OWR_CODEC_TYPE_H264:
caps = gst_caps_new_simple("video/x-h264",
"profile", G_TYPE_STRING, "baseline",
NULL);
caps = gst_caps_merge_structure(caps, gst_structure_new("video/x-h264",
"profile", G_TYPE_STRING, "constrained-baseline", NULL));
break;
case OWR_CODEC_TYPE_VP8:
caps = gst_caps_new_empty_simple("video/x-vp8");
break;
case OWR_CODEC_TYPE_OPUS:
caps = gst_caps_new_empty_simple("audio/x-opus");
break;
case OWR_CODEC_TYPE_PCMU:
caps = gst_caps_new_empty_simple("audio/x-mulaw");
break;
case OWR_CODEC_TYPE_PCMA:
caps = gst_caps_new_empty_simple("audio/x-alaw");
break;
default:
caps = NULL;
break;
}
return caps;
}
static GstCaps *
gst_ffmpegscale_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstCaps *ret;
GstStructure *structure;
const GValue *par;
/* this function is always called with a simple caps */
g_return_val_if_fail (GST_CAPS_IS_SIMPLE (caps), NULL);
structure = gst_caps_get_structure (caps, 0);
ret = gst_caps_copy (caps);
structure = gst_structure_copy (gst_caps_get_structure (ret, 0));
gst_structure_set (structure,
"width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
ret = gst_caps_merge_structure (ret, gst_structure_copy (structure));
/* if pixel aspect ratio, make a range of it */
if ((par = gst_structure_get_value (structure, "pixel-aspect-ratio"))) {
gst_structure_set (structure,
"pixel-aspect-ratio", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
ret = gst_caps_merge_structure (ret, structure);
} else {
gst_structure_free (structure);
}
/* now also unfix colour space format */
gst_caps_append (ret, gst_ffmpegscale_caps_remove_format_info (ret));
GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, ret);
return ret;
}
static GstCaps *
gst_jpegenc_getcaps (GstPad * pad)
{
GstJpegEnc *jpegenc = GST_JPEGENC (gst_pad_get_parent (pad));
GstCaps *caps, *othercaps;
const GstCaps *templ;
gint i, j;
GstStructure *structure = NULL;
/* we want to proxy properties like width, height and framerate from the
other end of the element */
othercaps = gst_pad_get_allowed_caps (jpegenc->srcpad);
if (othercaps == NULL ||
gst_caps_is_empty (othercaps) || gst_caps_is_any (othercaps)) {
caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
goto done;
}
caps = gst_caps_new_empty ();
templ = gst_pad_get_pad_template_caps (pad);
for (i = 0; i < gst_caps_get_size (templ); i++) {
/* pick fields from peer caps */
for (j = 0; j < gst_caps_get_size (othercaps); j++) {
GstStructure *s = gst_caps_get_structure (othercaps, j);
const GValue *val;
structure = gst_structure_copy (gst_caps_get_structure (templ, i));
if ((val = gst_structure_get_value (s, "width")))
gst_structure_set_value (structure, "width", val);
if ((val = gst_structure_get_value (s, "height")))
gst_structure_set_value (structure, "height", val);
if ((val = gst_structure_get_value (s, "framerate")))
gst_structure_set_value (structure, "framerate", val);
gst_caps_merge_structure (caps, structure);
}
}
done:
gst_caps_replace (&othercaps, NULL);
gst_object_unref (jpegenc);
return caps;
}
static GstCaps *
gst_video_rate_divider_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps)
{
GstVideoRateDivider *videorate = GST_VIDEO_RATE_DIVIDER (trans);
GstCaps *ret;
GstStructure *s, *s2;
gint rate_numerator, rate_denominator;
ret = gst_caps_copy (caps);
/* Any caps simply return */
if (gst_caps_is_any (caps))
{
GST_DEBUG_OBJECT (trans,
"transform caps: %" GST_PTR_FORMAT " (direction = %s) ANY",
caps, get_direction_name(direction));
return ret;
}
s = gst_caps_get_structure (ret, 0);
gst_structure_get_fraction (s, "framerate",
&rate_numerator, &rate_denominator);
GST_DEBUG_OBJECT (trans,
"transform caps: %" GST_PTR_FORMAT " (direction = %s framerate = %d/%d)",
caps, get_direction_name(direction), rate_numerator, rate_denominator);
s2 = gst_structure_copy (s);
if (direction == GST_PAD_SINK)
{
/* correct input flow framerate */
/* store inpute framerate */
videorate->from_rate_numerator = rate_numerator;
videorate->from_rate_denominator = rate_denominator;
gst_caps_remove_structure (ret, 0);
gst_structure_set (s2, "framerate", GST_TYPE_FRACTION,
rate_numerator, rate_denominator * videorate->factor, NULL);
gst_caps_merge_structure (ret, s2);
}
return ret;
}
static void
caps_append (GstCaps * caps, GstStructure * in_s, guint x, guint y, guint mpi)
{
GstStructure *s;
if (!in_s)
return;
if (mpi < 1 || mpi > 32)
return;
s = gst_structure_copy (in_s);
gst_structure_set (s,
"width", GST_TYPE_INT_RANGE, 1, x,
"height", GST_TYPE_INT_RANGE, 1, y,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 30000, 1001 * mpi, NULL);
gst_caps_merge_structure (caps, s);
}
static gboolean gst_mpeg4p2unpack_sink_event(GstPad * pad, GstObject *parent, GstEvent * event)
{
GstMpeg4P2Unpack *self = GST_MPEG4P2UNPACK(gst_pad_get_parent(pad));
gboolean ret = FALSE;
GST_LOG_OBJECT(self, "%s event", GST_EVENT_TYPE_NAME(event));
switch (GST_EVENT_TYPE (event))
{
case GST_EVENT_CAPS:
{
GstCaps *caps, *srccaps;
gst_event_parse_caps(event, &caps);
GST_DEBUG_OBJECT(self, "sinkcaps = %s", gst_caps_to_string(caps));
GstStructure *structure = gst_structure_copy(gst_caps_get_structure (caps, 0));
gint numerator, denominator;
if (gst_structure_get_fraction (structure, "framerate", &numerator, &denominator))
{
self->buffer_duration = 1000 / ((double)numerator * 1000 / denominator) * GST_SECOND;
}
srccaps = gst_caps_new_empty();
gst_structure_set_name(structure, "video/mpeg");
srccaps = gst_caps_merge_structure(srccaps, structure);
gst_caps_set_simple (srccaps, "mpegversion", G_TYPE_INT, 4, NULL);
gst_caps_set_simple (srccaps, "systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
gst_caps_set_simple (srccaps, "unpacked", G_TYPE_BOOLEAN, TRUE, NULL);
GST_DEBUG_OBJECT(self, "srccaps = %s", gst_caps_to_string(srccaps));
ret = gst_pad_set_caps(self->srcpad, srccaps);
gst_caps_unref(srccaps);
gst_event_unref(event);
}
break;
case GST_EVENT_FLUSH_STOP:
{
guint i;
for (i=0; i < MPEG4P2_MAX_B_FRAMES_COUNT; i++)
{
if (self->b_frames[i])
{
gst_buffer_unref(self->b_frames[i]);
self->b_frames[i] = NULL;
}
}
if (self->second_ip_frame)
{
gst_buffer_unref(self->second_ip_frame);
self->second_ip_frame = NULL;
}
if (self->b_frame)
{
gst_buffer_unref(self->b_frame);
self->b_frame = NULL;
}
self->b_frames_count = 0;
self->first_ip_frame_written = FALSE;
ret = gst_pad_push_event(self->srcpad, event);
}
break;
default:
ret = gst_pad_push_event(self->srcpad, event);
break;
}
return ret;
}
static GstCaps *
gst_rtp_h264_pay_getcaps (GstRTPBasePayload * payload, GstPad * pad,
GstCaps * filter)
{
GstCaps *template_caps;
GstCaps *allowed_caps;
GstCaps *caps, *icaps;
gboolean append_unrestricted;
guint i;
allowed_caps =
gst_pad_peer_query_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload), NULL);
if (allowed_caps == NULL)
return NULL;
template_caps =
gst_static_pad_template_get_caps (&gst_rtp_h264_pay_sink_template);
if (gst_caps_is_any (allowed_caps)) {
caps = gst_caps_ref (template_caps);
goto done;
}
if (gst_caps_is_empty (allowed_caps)) {
caps = gst_caps_ref (allowed_caps);
goto done;
}
caps = gst_caps_new_empty ();
append_unrestricted = FALSE;
for (i = 0; i < gst_caps_get_size (allowed_caps); i++) {
GstStructure *s = gst_caps_get_structure (allowed_caps, i);
GstStructure *new_s = gst_structure_new_empty ("video/x-h264");
const gchar *profile_level_id;
profile_level_id = gst_structure_get_string (s, "profile-level-id");
if (profile_level_id && strlen (profile_level_id) == 6) {
const gchar *profile;
const gchar *level;
long int spsint;
guint8 sps[3];
spsint = strtol (profile_level_id, NULL, 16);
sps[0] = spsint >> 16;
sps[1] = spsint >> 8;
sps[2] = spsint;
profile = gst_codec_utils_h264_get_profile (sps, 3);
level = gst_codec_utils_h264_get_level (sps, 3);
if (profile && level) {
GST_LOG_OBJECT (payload, "In caps, have profile %s and level %s",
profile, level);
if (!strcmp (profile, "constrained-baseline"))
gst_structure_set (new_s, "profile", G_TYPE_STRING, profile, NULL);
else {
GValue val = { 0, };
GValue profiles = { 0, };
g_value_init (&profiles, GST_TYPE_LIST);
g_value_init (&val, G_TYPE_STRING);
g_value_set_static_string (&val, profile);
gst_value_list_append_value (&profiles, &val);
g_value_set_static_string (&val, "constrained-baseline");
gst_value_list_append_value (&profiles, &val);
gst_structure_take_value (new_s, "profile", &profiles);
}
if (!strcmp (level, "1"))
gst_structure_set (new_s, "level", G_TYPE_STRING, level, NULL);
else {
GValue levels = { 0, };
GValue val = { 0, };
int j;
g_value_init (&levels, GST_TYPE_LIST);
g_value_init (&val, G_TYPE_STRING);
for (j = 0; j < G_N_ELEMENTS (all_levels); j++) {
g_value_set_static_string (&val, all_levels[j]);
gst_value_list_prepend_value (&levels, &val);
if (!strcmp (level, all_levels[j]))
break;
}
gst_structure_take_value (new_s, "level", &levels);
}
} else {
/* Invalid profile-level-id means baseline */
gst_structure_set (new_s,
"profile", G_TYPE_STRING, "constrained-baseline", NULL);
}
} else {
/* No profile-level-id means baseline or unrestricted */
gst_structure_set (new_s,
"profile", G_TYPE_STRING, "constrained-baseline", NULL);
append_unrestricted = TRUE;
}
caps = gst_caps_merge_structure (caps, new_s);
}
static GstCaps *
gst_video_rate_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstVideoRate *videorate = GST_VIDEO_RATE (trans);
GstCaps *ret;
GstStructure *s, *s1, *s2, *s3 = NULL;
int maxrate = g_atomic_int_get (&videorate->max_rate);
gint i;
ret = gst_caps_new_empty ();
for (i = 0; i < gst_caps_get_size (caps); i++) {
s = gst_caps_get_structure (caps, i);
s1 = gst_structure_copy (s);
s2 = gst_structure_copy (s);
if (videorate->drop_only) {
gint min_num = 0, min_denom = 1;
gint max_num = G_MAXINT, max_denom = 1;
/* Clamp the caps to our maximum rate as the first caps if possible */
if (!gst_video_max_rate_clamp_structure (s1, maxrate,
&min_num, &min_denom, &max_num, &max_denom)) {
min_num = 0;
min_denom = 1;
max_num = maxrate;
max_denom = 1;
/* clamp wouldn't be a real subset of 1..maxrate, in this case the sink
* caps should become [1..maxrate], [1..maxint] and the src caps just
* [1..maxrate]. In case there was a caps incompatibility things will
* explode later as appropriate :)
*
* In case [X..maxrate] == [X..maxint], skip as we'll set it later
*/
if (direction == GST_PAD_SRC && maxrate != G_MAXINT)
gst_structure_set (s1, "framerate", GST_TYPE_FRACTION_RANGE,
min_num, min_denom, maxrate, 1, NULL);
else {
gst_structure_free (s1);
s1 = NULL;
}
}
if (direction == GST_PAD_SRC) {
/* We can accept anything as long as it's at least the minimal framerate
* the the sink needs */
gst_structure_set (s2, "framerate", GST_TYPE_FRACTION_RANGE,
min_num, min_denom, G_MAXINT, 1, NULL);
/* Also allow unknown framerate, if it isn't already */
if (min_num != 0 || min_denom != 1) {
s3 = gst_structure_copy (s);
gst_structure_set (s3, "framerate", GST_TYPE_FRACTION, 0, 1, NULL);
}
} else if (max_num != 0 || max_denom != 1) {
/* We can provide everything upto the maximum framerate at the src */
gst_structure_set (s2, "framerate", GST_TYPE_FRACTION_RANGE,
0, 1, max_num, max_denom, NULL);
}
} else if (direction == GST_PAD_SINK) {
gint min_num = 0, min_denom = 1;
gint max_num = G_MAXINT, max_denom = 1;
if (!gst_video_max_rate_clamp_structure (s1, maxrate,
&min_num, &min_denom, &max_num, &max_denom)) {
gst_structure_free (s1);
s1 = NULL;
}
gst_structure_set (s2, "framerate", GST_TYPE_FRACTION_RANGE, 0, 1,
maxrate, 1, NULL);
} else {
/* set the framerate as a range */
gst_structure_set (s2, "framerate", GST_TYPE_FRACTION_RANGE, 0, 1,
G_MAXINT, 1, NULL);
}
if (s1 != NULL)
ret = gst_caps_merge_structure (ret, s1);
ret = gst_caps_merge_structure (ret, s2);
if (s3 != NULL)
ret = gst_caps_merge_structure (ret, s3);
}
if (filter) {
GstCaps *intersection;
intersection =
gst_caps_intersect_full (filter, ret, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (ret);
ret = intersection;
}
return ret;
}
static GstCaps *
create_sink_caps (const GstAmcCodecInfo * codec_info)
{
GstCaps *ret;
gint i;
ret = gst_caps_new_empty ();
for (i = 0; i < codec_info->n_supported_types; i++) {
const GstAmcCodecType *type = &codec_info->supported_types[i];
if (strcmp (type->mime, "audio/mpeg") == 0) {
GstStructure *tmp;
tmp = gst_structure_new ("audio/mpeg",
"mpegversion", G_TYPE_INT, 1,
"rate", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"channels", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"parsed", G_TYPE_BOOLEAN, TRUE, NULL);
ret = gst_caps_merge_structure (ret, tmp);
} else if (strcmp (type->mime, "audio/3gpp") == 0) {
GstStructure *tmp;
tmp = gst_structure_new ("audio/AMR",
"rate", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"channels", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
ret = gst_caps_merge_structure (ret, tmp);
} else if (strcmp (type->mime, "audio/amr-wb") == 0) {
GstStructure *tmp;
tmp = gst_structure_new ("audio/AMR-WB",
"rate", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"channels", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
ret = gst_caps_merge_structure (ret, tmp);
} else if (strcmp (type->mime, "audio/mp4a-latm") == 0) {
gint j;
GstStructure *tmp, *tmp2;
gboolean have_profile = FALSE;
GValue va = { 0, };
GValue v = { 0, };
g_value_init (&va, GST_TYPE_LIST);
g_value_init (&v, G_TYPE_STRING);
g_value_set_string (&v, "raw");
gst_value_list_append_value (&va, &v);
g_value_set_string (&v, "adts");
gst_value_list_append_value (&va, &v);
g_value_unset (&v);
tmp = gst_structure_new ("audio/mpeg",
"mpegversion", G_TYPE_INT, 4,
"rate", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"channels", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"framed", G_TYPE_BOOLEAN, TRUE, NULL);
gst_structure_set_value (tmp, "stream-format", &va);
g_value_unset (&va);
for (j = 0; j < type->n_profile_levels; j++) {
const gchar *profile;
profile =
gst_amc_aac_profile_to_string (type->profile_levels[j].profile);
if (!profile) {
GST_ERROR ("Unable to map AAC profile 0x%08x",
type->profile_levels[j].profile);
continue;
}
tmp2 = gst_structure_copy (tmp);
gst_structure_set (tmp2, "profile", G_TYPE_STRING, profile, NULL);
ret = gst_caps_merge_structure (ret, tmp2);
have_profile = TRUE;
}
if (!have_profile) {
ret = gst_caps_merge_structure (ret, tmp);
} else {
gst_structure_free (tmp);
}
} else if (strcmp (type->mime, "audio/g711-alaw") == 0) {
GstStructure *tmp;
tmp = gst_structure_new ("audio/x-alaw",
"rate", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"channels", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
ret = gst_caps_merge_structure (ret, tmp);
} else if (strcmp (type->mime, "audio/g711-mlaw") == 0) {
GstStructure *tmp;
tmp = gst_structure_new ("audio/x-mulaw",
"rate", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"channels", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
ret = gst_caps_merge_structure (ret, tmp);
} else if (strcmp (type->mime, "audio/vorbis") == 0) {
GstStructure *tmp;
tmp = gst_structure_new ("audio/x-vorbis",
"rate", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"channels", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
ret = gst_caps_merge_structure (ret, tmp);
} else if (strcmp (type->mime, "audio/flac") == 0) {
GstStructure *tmp;
tmp = gst_structure_new ("audio/x-flac",
"rate", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"channels", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"framed", G_TYPE_BOOLEAN, TRUE, NULL);
ret = gst_caps_merge_structure (ret, tmp);
} else if (strcmp (type->mime, "audio/mpeg-L2") == 0) {
GstStructure *tmp;
tmp = gst_structure_new ("audio/mpeg",
"mpegversion", G_TYPE_INT, 1,
"layer", G_TYPE_INT, 2,
"rate", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"channels", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"parsed", G_TYPE_BOOLEAN, TRUE, NULL);
ret = gst_caps_merge_structure (ret, tmp);
} else {
GST_WARNING ("Unsupported mimetype '%s'", type->mime);
}
}
return ret;
}
static GstCaps *
gst_rtp_h263p_pay_sink_getcaps (GstRTPBasePayload * payload, GstPad * pad,
GstCaps * filter)
{
GstRtpH263PPay *rtph263ppay;
GstCaps *caps = NULL, *templ;
GstCaps *peercaps = NULL;
GstCaps *intersect = NULL;
guint i;
rtph263ppay = GST_RTP_H263P_PAY (payload);
peercaps =
gst_pad_peer_query_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload), filter);
/* if we're just outputting to udpsink or fakesink or so, we should also
* accept any input compatible with our sink template caps */
if (!peercaps || gst_caps_is_any (peercaps))
return
gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SINKPAD (payload));
/* We basically need to differentiate two use-cases here: One where there's
* a capsfilter after the payloader with caps created from an SDP; in this
* case the filter caps are fixed and we want to signal to an encoder what
* we want it to produce. The second case is simply payloader ! depayloader
* where we are dealing with the depayloader's template caps. In this case
* we should accept any input compatible with our sink template caps. */
if (!gst_caps_is_fixed (peercaps))
return
gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SINKPAD (payload));
templ = gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload));
intersect = gst_caps_intersect (peercaps, templ);
gst_caps_unref (peercaps);
gst_caps_unref (templ);
if (gst_caps_is_empty (intersect))
return intersect;
caps = gst_caps_new_empty ();
for (i = 0; i < gst_caps_get_size (intersect); i++) {
GstStructure *s = gst_caps_get_structure (intersect, i);
const gchar *encoding_name = gst_structure_get_string (s, "encoding-name");
if (!strcmp (encoding_name, "H263-2000")) {
const gchar *profile_str = gst_structure_get_string (s, "profile");
const gchar *level_str = gst_structure_get_string (s, "level");
int profile = 0;
int level = 0;
if (profile_str && level_str) {
gboolean i = FALSE, j = FALSE, l = FALSE, t = FALSE, f = FALSE,
v = FALSE;
GstStructure *new_s = gst_structure_new ("video/x-h263",
"variant", G_TYPE_STRING, "itu",
NULL);
profile = atoi (profile_str);
level = atoi (level_str);
/* These profiles are defined in the H.263 Annex X */
switch (profile) {
case 0:
/* The Baseline Profile (Profile 0) */
break;
case 1:
/* H.320 Coding Efficiency Version 2 Backward-Compatibility Profile
* (Profile 1)
* Baseline + Annexes I, J, L.4 and T
*/
i = j = l = t = TRUE;
break;
case 2:
/* Version 1 Backward-Compatibility Profile (Profile 2)
* Baseline + Annex F
*/
i = j = l = t = f = TRUE;
break;
case 3:
/* Version 2 Interactive and Streaming Wireless Profile
* Baseline + Annexes I, J, T
*/
i = j = t = TRUE;
break;
case 4:
/* Version 3 Interactive and Streaming Wireless Profile (Profile 4)
* Baseline + Annexes I, J, T, V, W.6.3.8,
*/
/* Missing W.6.3.8 */
i = j = t = v = TRUE;
break;
case 5:
/* Conversational High Compression Profile (Profile 5)
* Baseline + Annexes F, I, J, L.4, T, D, U
*/
/* Missing D, U */
f = i = j = l = t = TRUE;
break;
case 6:
/* Conversational Internet Profile (Profile 6)
* Baseline + Annexes F, I, J, L.4, T, D, U and
* K with arbitratry slice ordering
*/
/* Missing D, U, K with arbitratry slice ordering */
f = i = j = l = t = TRUE;
break;
case 7:
/* Conversational Interlace Profile (Profile 7)
* Baseline + Annexes F, I, J, L.4, T, D, U, W.6.3.11
*/
/* Missing D, U, W.6.3.11 */
f = i = j = l = t = TRUE;
break;
case 8:
/* High Latency Profile (Profile 8)
* Baseline + Annexes F, I, J, L.4, T, D, U, P.5, O.1.1 and
* K with arbitratry slice ordering
*/
/* Missing D, U, P.5, O.1.1 */
f = i = j = l = t = TRUE;
break;
}
if (f || i || j || t || l || v) {
GValue list = { 0 };
GValue vstr = { 0 };
g_value_init (&list, GST_TYPE_LIST);
g_value_init (&vstr, G_TYPE_STRING);
g_value_set_static_string (&vstr, "h263");
gst_value_list_append_value (&list, &vstr);
g_value_set_static_string (&vstr, "h263p");
gst_value_list_append_value (&list, &vstr);
if (l || v) {
g_value_set_static_string (&vstr, "h263pp");
gst_value_list_append_value (&list, &vstr);
}
g_value_unset (&vstr);
gst_structure_set_value (new_s, "h263version", &list);
g_value_unset (&list);
} else {
gst_structure_set (new_s, "h263version", G_TYPE_STRING, "h263", NULL);
}
if (!f)
gst_structure_set (new_s, "annex-f", G_TYPE_BOOLEAN, FALSE, NULL);
if (!i)
gst_structure_set (new_s, "annex-i", G_TYPE_BOOLEAN, FALSE, NULL);
if (!j)
gst_structure_set (new_s, "annex-j", G_TYPE_BOOLEAN, FALSE, NULL);
if (!t)
gst_structure_set (new_s, "annex-t", G_TYPE_BOOLEAN, FALSE, NULL);
if (!l)
gst_structure_set (new_s, "annex-l", G_TYPE_BOOLEAN, FALSE, NULL);
if (!v)
gst_structure_set (new_s, "annex-v", G_TYPE_BOOLEAN, FALSE, NULL);
if (level <= 10 || level == 45) {
gst_structure_set (new_s,
"width", GST_TYPE_INT_RANGE, 1, 176,
"height", GST_TYPE_INT_RANGE, 1, 144,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 30000, 2002, NULL);
caps = gst_caps_merge_structure (caps, new_s);
} else if (level <= 20) {
GstStructure *s_copy = gst_structure_copy (new_s);
gst_structure_set (new_s,
"width", GST_TYPE_INT_RANGE, 1, 352,
"height", GST_TYPE_INT_RANGE, 1, 288,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 30000, 2002, NULL);
caps = gst_caps_merge_structure (caps, new_s);
gst_structure_set (s_copy,
"width", GST_TYPE_INT_RANGE, 1, 176,
"height", GST_TYPE_INT_RANGE, 1, 144,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 30000, 1001, NULL);
caps = gst_caps_merge_structure (caps, s_copy);
} else if (level <= 40) {
gst_structure_set (new_s,
"width", GST_TYPE_INT_RANGE, 1, 352,
"height", GST_TYPE_INT_RANGE, 1, 288,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 30000, 1001, NULL);
caps = gst_caps_merge_structure (caps, new_s);
} else if (level <= 50) {
GstStructure *s_copy = gst_structure_copy (new_s);
gst_structure_set (new_s,
"width", GST_TYPE_INT_RANGE, 1, 352,
"height", GST_TYPE_INT_RANGE, 1, 288,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 50, 1, NULL);
caps = gst_caps_merge_structure (caps, new_s);
gst_structure_set (s_copy,
"width", GST_TYPE_INT_RANGE, 1, 352,
"height", GST_TYPE_INT_RANGE, 1, 240,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 60000, 1001, NULL);
caps = gst_caps_merge_structure (caps, s_copy);
} else if (level <= 60) {
GstStructure *s_copy = gst_structure_copy (new_s);
gst_structure_set (new_s,
"width", GST_TYPE_INT_RANGE, 1, 720,
"height", GST_TYPE_INT_RANGE, 1, 288,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 50, 1, NULL);
caps = gst_caps_merge_structure (caps, new_s);
gst_structure_set (s_copy,
"width", GST_TYPE_INT_RANGE, 1, 720,
"height", GST_TYPE_INT_RANGE, 1, 240,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 60000, 1001, NULL);
caps = gst_caps_merge_structure (caps, s_copy);
} else if (level <= 70) {
GstStructure *s_copy = gst_structure_copy (new_s);
gst_structure_set (new_s,
"width", GST_TYPE_INT_RANGE, 1, 720,
"height", GST_TYPE_INT_RANGE, 1, 576,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 50, 1, NULL);
caps = gst_caps_merge_structure (caps, new_s);
gst_structure_set (s_copy,
"width", GST_TYPE_INT_RANGE, 1, 720,
"height", GST_TYPE_INT_RANGE, 1, 480,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 60000, 1001, NULL);
caps = gst_caps_merge_structure (caps, s_copy);
} else {
caps = gst_caps_merge_structure (caps, new_s);
}
} else {
GstStructure *new_s = gst_structure_new ("video/x-h263",
"variant", G_TYPE_STRING, "itu",
"h263version", G_TYPE_STRING, "h263",
NULL);
GST_DEBUG_OBJECT (rtph263ppay, "No profile or level specified"
" for H263-2000, defaulting to baseline H263");
caps = gst_caps_merge_structure (caps, new_s);
}
} else {
gboolean f = FALSE, i = FALSE, j = FALSE, t = FALSE;
/* FIXME: ffmpeg support the Appendix K too, how do we express it ?
* guint k;
*/
const gchar *str;
GstStructure *new_s = gst_structure_new ("video/x-h263",
"variant", G_TYPE_STRING, "itu",
NULL);
gboolean added = FALSE;
str = gst_structure_get_string (s, "f");
if (str && !strcmp (str, "1"))
f = TRUE;
str = gst_structure_get_string (s, "i");
if (str && !strcmp (str, "1"))
i = TRUE;
str = gst_structure_get_string (s, "j");
if (str && !strcmp (str, "1"))
j = TRUE;
str = gst_structure_get_string (s, "t");
if (str && !strcmp (str, "1"))
t = TRUE;
if (f || i || j || t) {
GValue list = { 0 };
GValue vstr = { 0 };
g_value_init (&list, GST_TYPE_LIST);
g_value_init (&vstr, G_TYPE_STRING);
g_value_set_static_string (&vstr, "h263");
gst_value_list_append_value (&list, &vstr);
g_value_set_static_string (&vstr, "h263p");
gst_value_list_append_value (&list, &vstr);
g_value_unset (&vstr);
gst_structure_set_value (new_s, "h263version", &list);
g_value_unset (&list);
} else {
gst_structure_set (new_s, "h263version", G_TYPE_STRING, "h263", NULL);
}
if (!f)
gst_structure_set (new_s, "annex-f", G_TYPE_BOOLEAN, FALSE, NULL);
if (!i)
gst_structure_set (new_s, "annex-i", G_TYPE_BOOLEAN, FALSE, NULL);
if (!j)
gst_structure_set (new_s, "annex-j", G_TYPE_BOOLEAN, FALSE, NULL);
if (!t)
gst_structure_set (new_s, "annex-t", G_TYPE_BOOLEAN, FALSE, NULL);
str = gst_structure_get_string (s, "custom");
if (str) {
unsigned int xmax, ymax, mpi;
if (sscanf (str, "%u,%u,%u", &xmax, &ymax, &mpi) == 3) {
if (xmax % 4 && ymax % 4 && mpi >= 1 && mpi <= 32) {
caps = caps_append (caps, new_s, xmax, ymax, mpi);
added = TRUE;
} else {
GST_WARNING_OBJECT (rtph263ppay, "Invalid custom framesize/MPI"
" %u x %u at %u, ignoring", xmax, ymax, mpi);
}
} else {
GST_WARNING_OBJECT (rtph263ppay, "Invalid custom framesize/MPI: %s,"
" ignoring", str);
}
}
str = gst_structure_get_string (s, "16cif");
if (str) {
int mpi = atoi (str);
caps = caps_append (caps, new_s, 1408, 1152, mpi);
added = TRUE;
}
str = gst_structure_get_string (s, "4cif");
if (str) {
int mpi = atoi (str);
caps = caps_append (caps, new_s, 704, 576, mpi);
added = TRUE;
}
str = gst_structure_get_string (s, "cif");
if (str) {
int mpi = atoi (str);
caps = caps_append (caps, new_s, 352, 288, mpi);
added = TRUE;
}
str = gst_structure_get_string (s, "qcif");
if (str) {
int mpi = atoi (str);
caps = caps_append (caps, new_s, 176, 144, mpi);
added = TRUE;
}
str = gst_structure_get_string (s, "sqcif");
if (str) {
int mpi = atoi (str);
caps = caps_append (caps, new_s, 128, 96, mpi);
added = TRUE;
}
if (added)
gst_structure_free (new_s);
else
caps = gst_caps_merge_structure (caps, new_s);
}
}
gst_caps_unref (intersect);
return caps;
}
void Caps::mergeStructure(const Structure & structure)
{
gst_caps_merge_structure(object<GstCaps>(), gst_structure_copy(structure));
}
static GstCaps *
gst_base_video_encoder_sink_getcaps (GstPad * pad)
{
GstBaseVideoEncoder *base_video_encoder;
const GstCaps *templ_caps;
GstCaps *allowed;
GstCaps *fcaps, *filter_caps;
gint i, j;
base_video_encoder = GST_BASE_VIDEO_ENCODER (gst_pad_get_parent (pad));
/* FIXME: Allow subclass to override this? */
/* Allow downstream to specify width/height/framerate/PAR constraints
* and forward them upstream for video converters to handle
*/
templ_caps =
gst_pad_get_pad_template_caps (GST_BASE_VIDEO_CODEC_SINK_PAD
(base_video_encoder));
allowed =
gst_pad_get_allowed_caps (GST_BASE_VIDEO_CODEC_SRC_PAD
(base_video_encoder));
if (!allowed || gst_caps_is_empty (allowed) || gst_caps_is_any (allowed)) {
fcaps = gst_caps_copy (templ_caps);
goto done;
}
GST_LOG_OBJECT (base_video_encoder, "template caps %" GST_PTR_FORMAT,
templ_caps);
GST_LOG_OBJECT (base_video_encoder, "allowed caps %" GST_PTR_FORMAT, allowed);
filter_caps = gst_caps_new_empty ();
for (i = 0; i < gst_caps_get_size (templ_caps); i++) {
GQuark q_name =
gst_structure_get_name_id (gst_caps_get_structure (templ_caps, i));
for (j = 0; j < gst_caps_get_size (allowed); j++) {
const GstStructure *allowed_s = gst_caps_get_structure (allowed, j);
const GValue *val;
GstStructure *s;
s = gst_structure_id_empty_new (q_name);
if ((val = gst_structure_get_value (allowed_s, "width")))
gst_structure_set_value (s, "width", val);
if ((val = gst_structure_get_value (allowed_s, "height")))
gst_structure_set_value (s, "height", val);
if ((val = gst_structure_get_value (allowed_s, "framerate")))
gst_structure_set_value (s, "framerate", val);
if ((val = gst_structure_get_value (allowed_s, "pixel-aspect-ratio")))
gst_structure_set_value (s, "pixel-aspect-ratio", val);
gst_caps_merge_structure (filter_caps, s);
}
}
fcaps = gst_caps_intersect (filter_caps, templ_caps);
gst_caps_unref (filter_caps);
done:
gst_caps_replace (&allowed, NULL);
GST_LOG_OBJECT (base_video_encoder, "Returning caps %" GST_PTR_FORMAT, fcaps);
return fcaps;
}
static GstCaps *
gst_video_rate_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps)
{
GstVideoRate *videorate = GST_VIDEO_RATE (trans);
GstCaps *ret;
GstStructure *s, *s2;
GstStructure *s3 = NULL;
int maxrate = g_atomic_int_get (&videorate->max_rate);
/* Should always be called with simple caps */
g_return_val_if_fail (GST_CAPS_IS_SIMPLE (caps), NULL);
ret = gst_caps_copy (caps);
s = gst_caps_get_structure (ret, 0);
s2 = gst_structure_copy (s);
if (videorate->drop_only) {
gint min_num = 0, min_denom = 1;
gint max_num = G_MAXINT, max_denom = 1;
/* Clamp the caps to our maximum rate as the first caps if possible */
if (!gst_video_max_rate_clamp_structure (s, maxrate,
&min_num, &min_denom, &max_num, &max_denom)) {
min_num = 0;
min_denom = 1;
max_num = maxrate;
max_denom = 1;
/* clamp wouldn't be a real subset of 1..maxrate, in this case the sink
* caps should become [1..maxrate], [1..maxint] and the src caps just
* [1..maxrate]. In case there was a caps incompatibility things will
* explode later as appropriate :)
*
* In case [X..maxrate] == [X..maxint], skip as we'll set it later
*/
if (direction == GST_PAD_SRC && maxrate != G_MAXINT)
gst_structure_set (s, "framerate", GST_TYPE_FRACTION_RANGE,
min_num, min_denom, maxrate, 1, NULL);
else
gst_caps_remove_structure (ret, 0);
}
if (direction == GST_PAD_SRC) {
/* We can accept anything as long as it's at least the minimal framerate
* the the sink needs */
gst_structure_set (s2, "framerate", GST_TYPE_FRACTION_RANGE,
min_num, min_denom, G_MAXINT, 1, NULL);
/* Also allow unknown framerate, if it isn't already */
if (min_num != 0 || min_denom != 1) {
s3 = gst_structure_copy (s);
gst_structure_set (s3, "framerate", GST_TYPE_FRACTION, 0, 1, NULL);
}
} else if (max_num != 0 || max_denom != 1) {
/* We can provide everything upto the maximum framerate at the src */
gst_structure_set (s2, "framerate", GST_TYPE_FRACTION_RANGE,
0, 1, max_num, max_denom, NULL);
}
} else if (direction == GST_PAD_SINK) {
gint min_num = 0, min_denom = 1;
gint max_num = G_MAXINT, max_denom = 1;
if (!gst_video_max_rate_clamp_structure (s, maxrate,
&min_num, &min_denom, &max_num, &max_denom))
gst_caps_remove_structure (ret, 0);
gst_structure_set (s2, "framerate", GST_TYPE_FRACTION_RANGE, 0, 1,
maxrate, 1, NULL);
} else {
/* set the framerate as a range */
gst_structure_set (s2, "framerate", GST_TYPE_FRACTION_RANGE, 0, 1,
G_MAXINT, 1, NULL);
}
gst_caps_merge_structure (ret, s2);
if (s3 != NULL)
gst_caps_merge_structure (ret, s3);
return ret;
}
