static gboolean
gst_raw_base_parse_stop (GstBaseParse * parse)
{
GstRawBaseParse *raw_base_parse = GST_RAW_BASE_PARSE (parse);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (raw_base_parse);
raw_base_parse->src_caps_set = FALSE;
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (raw_base_parse);
return TRUE;
}
static void
gst_raw_base_parse_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstRawBaseParse *raw_base_parse = GST_RAW_BASE_PARSE (object);
switch (prop_id) {
case PROP_USE_SINK_CAPS:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
g_value_set_boolean (value,
gst_raw_base_parse_is_using_sink_caps (raw_base_parse));
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_raw_base_parse_start (GstBaseParse * parse)
{
GstBaseParse *base_parse = GST_BASE_PARSE (parse);
GstRawBaseParse *raw_base_parse = GST_RAW_BASE_PARSE (parse);
GstRawBaseParseClass *klass = GST_RAW_BASE_PARSE_GET_CLASS (parse);
g_assert (klass->set_current_config);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (raw_base_parse);
/* If the config is ready from the start, set the min frame size
* (this will happen with the properties config) */
if (klass->is_config_ready (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_CURRENT)) {
gsize frame_size = klass->get_config_frame_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_CURRENT);
gst_base_parse_set_min_frame_size (base_parse, frame_size);
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (raw_base_parse);
return TRUE;
}
static gboolean
gst_raw_base_parse_convert (GstBaseParse * parse, GstFormat src_format,
gint64 src_value, GstFormat dest_format, gint64 * dest_value)
{
GstRawBaseParse *raw_base_parse = GST_RAW_BASE_PARSE (parse);
GstRawBaseParseClass *klass = GST_RAW_BASE_PARSE_GET_CLASS (parse);
gboolean ret = TRUE;
gsize units_n, units_d;
g_assert (klass->is_config_ready);
g_assert (klass->get_units_per_second);
/* The operations below access the current config. Protect
* against race conditions by using the object lock. */
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (raw_base_parse);
if (!klass->is_config_ready (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_CURRENT)) {
if (gst_raw_base_parse_is_using_sink_caps (raw_base_parse)) {
goto config_not_ready;
} else {
/* This should not be reached if the property config is active */
g_assert_not_reached ();
}
}
if (G_UNLIKELY (src_format == dest_format)) {
*dest_value = src_value;
} else if ((src_format == GST_FORMAT_TIME || dest_format == GST_FORMAT_TIME)
&& gst_raw_base_parse_is_gstformat_supported (raw_base_parse, src_format)
&& gst_raw_base_parse_is_gstformat_supported (raw_base_parse, src_format)) {
/* Perform conversions here if either the src or dest format
* are GST_FORMAT_TIME and the other format is supported by
* the subclass. This is because we perform TIME<->non-TIME
* conversions here. Typically, subclasses only support
* BYTES and DEFAULT formats. */
if (src_format == GST_FORMAT_TIME) {
/* The source format is time, so perform a TIME -> non-TIME conversion */
klass->get_units_per_second (raw_base_parse, dest_format,
GST_RAW_BASE_PARSE_CONFIG_CURRENT, &units_n, &units_d);
*dest_value = (units_n == 0
|| units_d == 0) ? src_value : gst_util_uint64_scale (src_value,
units_n, GST_SECOND * units_d);
} else {
/* The dest format is time, so perform a non-TIME -> TIME conversion */
klass->get_units_per_second (raw_base_parse, src_format,
GST_RAW_BASE_PARSE_CONFIG_CURRENT, &units_n, &units_d);
*dest_value = (units_n == 0
|| units_d == 0) ? src_value : gst_util_uint64_scale (src_value,
GST_SECOND * units_d, units_n);
}
} else {
/* Fallback for other conversions */
ret =
gst_base_parse_convert_default (parse, src_format, src_value,
dest_format, dest_value);
}
GST_DEBUG_OBJECT (parse,
"converted %s -> %s %" G_GINT64_FORMAT " -> %" GST_TIME_FORMAT,
gst_format_get_name (src_format), gst_format_get_name (dest_format),
src_value, GST_TIME_ARGS (*dest_value));
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (raw_base_parse);
return ret;
config_not_ready:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (raw_base_parse);
GST_ELEMENT_ERROR (parse, STREAM, FORMAT,
("sink caps config is the current config, and it is not ready - "
"upstream may not have pushed a caps event yet"), (NULL));
return FALSE;
}
static GstFlowReturn
gst_raw_base_parse_handle_frame (GstBaseParse * parse,
GstBaseParseFrame * frame, gint * skipsize)
{
gsize in_size, out_size;
guint frame_size;
guint num_out_frames;
gsize units_n, units_d;
guint64 buffer_duration;
GstFlowReturn flow_ret = GST_FLOW_OK;
GstEvent *new_caps_event = NULL;
GstRawBaseParse *raw_base_parse = GST_RAW_BASE_PARSE (parse);
GstRawBaseParseClass *klass = GST_RAW_BASE_PARSE_GET_CLASS (parse);
g_assert (klass->is_config_ready);
g_assert (klass->get_caps_from_config);
g_assert (klass->get_config_frame_size);
g_assert (klass->get_units_per_second);
/* We never skip any bytes this way. Instead, subclass takes care
* of skipping any overhead (necessary, since the way it needs to
* be skipped is completely subclass specific). */
*skipsize = 0;
/* The operations below access the current config. Protect
* against race conditions by using the object lock. */
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (raw_base_parse);
/* If the source pad caps haven't been set yet, or need to be
* set again, do so now, BEFORE any buffers are pushed out */
if (G_UNLIKELY (!raw_base_parse->src_caps_set)) {
GstCaps *new_src_caps;
if (G_UNLIKELY (!klass->is_config_ready (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_CURRENT))) {
/* The current configuration is not ready. No caps can be
* generated out of it.
* The most likely reason for this is that the sink caps config
* is the current one and no valid sink caps have been pushed
* by upstream. Report the problem and exit. */
if (gst_raw_base_parse_is_using_sink_caps (raw_base_parse)) {
goto config_not_ready;
} else {
/* This should not be reached if the property config is active */
g_assert_not_reached ();
}
}
GST_DEBUG_OBJECT (parse,
"setting src caps since this has not been done yet");
/* Convert the current config to a caps structure to
* inform downstream about the new format */
if (!klass->get_caps_from_config (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_CURRENT, &new_src_caps)) {
GST_ERROR_OBJECT (raw_base_parse,
"could not get src caps from current config");
flow_ret = GST_FLOW_NOT_NEGOTIATED;
goto error_locked;
}
new_caps_event = gst_event_new_caps (new_src_caps);
gst_caps_unref (new_src_caps);
raw_base_parse->src_caps_set = TRUE;
}
frame_size =
klass->get_config_frame_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_CURRENT);
in_size = gst_buffer_get_size (frame->buffer);
/* gst_base_parse_set_min_frame_size() is called when the current
* configuration changes and the change affects the frame size. This
* means that a buffer must contain at least as many bytes as indicated
* by the frame size. If there are fewer inside an error occurred;
* either something in the parser went wrong, or the min frame size
* wasn't updated properly. */
g_assert (in_size >= frame_size);
/* Determine how many complete frames would fit in the input buffer.
* Then check if this amount exceeds the maximum number of frames
* as indicated by the subclass. */
num_out_frames = (in_size / frame_size);
if (klass->get_max_frames_per_buffer) {
guint max_num_out_frames = klass->get_max_frames_per_buffer (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_CURRENT);
num_out_frames = MIN (num_out_frames, max_num_out_frames);
}
/* Ensure that the size of the buffers that get pushed downstream
* is always an integer multiple of the frame size to prevent cases
* where downstream gets buffers with incomplete frames. */
out_size = num_out_frames * frame_size;
/* Set the overhead size to ensure that timestamping excludes these
* extra overhead bytes. */
frame->overhead =
klass->get_overhead_size ? klass->get_overhead_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_CURRENT) : 0;
g_assert (out_size >= (guint) (frame->overhead));
out_size -= frame->overhead;
GST_LOG_OBJECT (raw_base_parse,
"%" G_GSIZE_FORMAT " bytes input %" G_GSIZE_FORMAT
" bytes output (%u frame(s)) %d bytes overhead", in_size, out_size,
num_out_frames, frame->overhead);
/* Calculate buffer duration */
klass->get_units_per_second (raw_base_parse, GST_FORMAT_BYTES,
GST_RAW_BASE_PARSE_CONFIG_CURRENT, &units_n, &units_d);
if (units_n == 0 || units_d == 0)
buffer_duration = GST_CLOCK_TIME_NONE;
else
buffer_duration =
gst_util_uint64_scale (out_size, GST_SECOND * units_d, units_n);
if (klass->process) {
GstBuffer *processed_data = NULL;
if (!klass->process (raw_base_parse, GST_RAW_BASE_PARSE_CONFIG_CURRENT,
frame->buffer, in_size, out_size, &processed_data))
goto process_error;
frame->out_buffer = processed_data;
} else {
frame->out_buffer = NULL;
}
/* Set the duration of the output buffer, or if none exists, of
* the input buffer. Do this after the process() call, since in
* case out_buffer is set, the subclass has created a new buffer.
* Instead of requiring subclasses to set the duration (which
* anyway must always be buffer_duration), let's do it here. */
if (frame->out_buffer != NULL)
GST_BUFFER_DURATION (frame->out_buffer) = buffer_duration;
else
GST_BUFFER_DURATION (frame->buffer) = buffer_duration;
/* Access to the current config is not needed in subsequent
* operations, so the lock can be released */
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (raw_base_parse);
/* If any new caps have to be pushed downstrean, do so
* *before* the frame is finished */
if (G_UNLIKELY (new_caps_event != NULL)) {
gst_pad_push_event (GST_BASE_PARSE_SRC_PAD (raw_base_parse),
new_caps_event);
new_caps_event = NULL;
}
gst_base_parse_finish_frame (parse, frame, out_size + frame->overhead);
return flow_ret;
config_not_ready:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (raw_base_parse);
GST_ELEMENT_ERROR (parse, STREAM, FORMAT,
("sink caps config is the current config, and it is not ready -"
"upstream may not have pushed a caps event yet"), (NULL));
flow_ret = GST_FLOW_ERROR;
goto error_end;
process_error:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (raw_base_parse);
GST_ELEMENT_ERROR (parse, STREAM, DECODE, ("could not process data"), (NULL));
flow_ret = GST_FLOW_ERROR;
goto error_end;
error_locked:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (raw_base_parse);
goto error_end;
error_end:
frame->flags |= GST_BASE_PARSE_FRAME_FLAG_DROP;
if (new_caps_event != NULL)
gst_event_unref (new_caps_event);
return flow_ret;
}
static gboolean
gst_raw_base_parse_set_sink_caps (GstBaseParse * parse, GstCaps * caps)
{
gboolean ret = FALSE;
GstRawBaseParse *raw_base_parse = GST_RAW_BASE_PARSE (parse);
GstRawBaseParseClass *klass = GST_RAW_BASE_PARSE_GET_CLASS (parse);
g_assert (klass->set_config_from_caps);
g_assert (klass->get_caps_from_config);
g_assert (klass->get_config_frame_size);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (raw_base_parse);
GST_DEBUG_OBJECT (parse, "getting config from new sink caps");
/* Convert the new sink caps to sink caps config. This also
* readies the config. */
ret =
klass->set_config_from_caps (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_SINKCAPS, caps);
if (!ret) {
GST_ERROR_OBJECT (raw_base_parse, "could not get config from sink caps");
goto done;
}
/* If the sink caps config is currently active, push caps downstream,
* set the minimum frame size (to guarantee that input buffers hold
* complete frames), and update the src_caps_set flag. If the sink
* caps config isn't the currently active config, just exit, since in
* that case, the caps will always be pushed downstream in handle_frame. */
if (gst_raw_base_parse_is_using_sink_caps (raw_base_parse)) {
GstCaps *new_src_caps;
gsize frame_size;
GST_DEBUG_OBJECT (parse,
"sink caps config is the current one; trying to push new caps downstream");
/* Convert back to caps. The caps may have changed, for example
* audio/x-unaligned-raw may have been replaced with audio/x-raw.
* (Also, this keeps the behavior in sync with that of the block
* in handle_frame that pushes caps downstream if not done already.) */
if (!klass->get_caps_from_config (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_CURRENT, &new_src_caps)) {
GST_ERROR_OBJECT (raw_base_parse,
"could not get src caps from current config");
goto done;
}
GST_DEBUG_OBJECT (raw_base_parse,
"got new sink caps; updating src caps to %" GST_PTR_FORMAT,
(gpointer) new_src_caps);
frame_size =
klass->get_config_frame_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_CURRENT);
gst_base_parse_set_min_frame_size (parse, frame_size);
raw_base_parse->src_caps_set = TRUE;
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (raw_base_parse);
/* Push caps outside of the lock */
gst_pad_push_event (GST_BASE_PARSE_SRC_PAD (raw_base_parse),
gst_event_new_caps (new_src_caps)
);
gst_caps_unref (new_src_caps);
} else {
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (raw_base_parse);
}
ret = TRUE;
done:
return ret;
}
static void
gst_raw_base_parse_set_property (GObject * object, guint prop_id,
GValue const *value, GParamSpec * pspec)
{
GstBaseParse *base_parse = GST_BASE_PARSE (object);
GstRawBaseParse *raw_base_parse = GST_RAW_BASE_PARSE (object);
GstRawBaseParseClass *klass = GST_RAW_BASE_PARSE_GET_CLASS (object);
g_assert (klass->is_config_ready);
g_assert (klass->set_current_config);
switch (prop_id) {
case PROP_USE_SINK_CAPS:
{
gboolean new_state, cur_state;
GstRawBaseParseConfig new_config;
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
/* Check to ensure nothing is done if the value stays the same */
new_state = g_value_get_boolean (value);
cur_state = gst_raw_base_parse_is_using_sink_caps (raw_base_parse);
if (new_state == cur_state) {
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
GST_DEBUG_OBJECT (raw_base_parse, "switching to %s config",
new_state ? "sink caps" : "properties");
new_config =
new_state ? GST_RAW_BASE_PARSE_CONFIG_SINKCAPS :
GST_RAW_BASE_PARSE_CONFIG_PROPERTIES;
if (!klass->set_current_config (raw_base_parse, new_config)) {
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
GST_ELEMENT_ERROR (raw_base_parse, STREAM, FAILED,
("could not set new current config"), ("use-sink-caps property: %d",
new_state));
break;
}
/* Update the minimum frame size if the config is ready. This ensures that
* the next buffer that is passed to handle_frame contains complete frames.
* If the current config is the properties config, then it will always be
* ready, and its frame size will be valid. Ensure that the baseparse minimum
* frame size is set properly then.
* If the current config is the sink caps config, then it will initially not
* be ready until the sink caps are set, so the minimum frame size cannot be
* set right here. However, since the caps always come in *before* the actual
* data, the config will be readied in the set_sink_caps function, and be ready
* by the time handle_frame is called. There, the minimum frame size is set as
* well. */
if (klass->is_config_ready (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_CURRENT)) {
gsize frame_size = klass->get_config_frame_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_CURRENT);
gst_base_parse_set_min_frame_size (base_parse, frame_size);
}
/* Since the current config was switched, the source caps change. Ensure the
* new caps are pushed downstream by setting src_caps_set to FALSE: This way,
* the next handle_frame call will take care of that. */
raw_base_parse->src_caps_set = FALSE;
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_raw_video_parse_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstRawVideoParse *raw_video_parse = GST_RAW_VIDEO_PARSE (object);
GstRawVideoParseConfig *props_cfg = &(raw_video_parse->properties_config);
switch (prop_id) {
case PROP_WIDTH:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
g_value_set_int (value, props_cfg->width);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
case PROP_HEIGHT:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
g_value_set_int (value, props_cfg->height);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
case PROP_FORMAT:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
g_value_set_enum (value, props_cfg->format);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
case PROP_PIXEL_ASPECT_RATIO:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
gst_value_set_fraction (value, props_cfg->pixel_aspect_ratio_n,
props_cfg->pixel_aspect_ratio_d);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
case PROP_FRAMERATE:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
gst_value_set_fraction (value, props_cfg->framerate_n,
props_cfg->framerate_d);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
case PROP_INTERLACED:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
g_value_set_boolean (value, props_cfg->interlaced);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
case PROP_TOP_FIELD_FIRST:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
g_value_set_boolean (value, props_cfg->top_field_first);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
case PROP_PLANE_STRIDES:
{
guint i, n_planes;
GValue val = G_VALUE_INIT;
GValueArray *valarray;
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
n_planes = GST_VIDEO_INFO_N_PLANES (&(props_cfg->info));
valarray = g_value_array_new (n_planes);
g_value_init (&val, G_TYPE_UINT);
for (i = 0; i < n_planes; ++i) {
g_value_set_uint (&val, props_cfg->plane_strides[i]);
g_value_array_insert (valarray, i, &val);
}
g_value_unset (&val);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
/* Pass on ownership to the value array,
* since we don't need it anymore */
g_value_take_boxed (value, valarray);
break;
}
case PROP_PLANE_OFFSETS:
{
guint i, n_planes;
GValue val = G_VALUE_INIT;
GValueArray *valarray;
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
n_planes = GST_VIDEO_INFO_N_PLANES (&(props_cfg->info));
valarray = g_value_array_new (n_planes);
g_value_init (&val, G_TYPE_UINT);
for (i = 0; i < n_planes; ++i) {
g_value_set_uint (&val, props_cfg->plane_offsets[i]);
g_value_array_insert (valarray, i, &val);
}
g_value_unset (&val);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
/* Pass on ownership to the value array,
* since we don't need it anymore */
g_value_take_boxed (value, valarray);
break;
}
case PROP_FRAME_STRIDE:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
g_value_set_uint (value, raw_video_parse->properties_config.frame_stride);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_raw_video_parse_set_property (GObject * object, guint prop_id,
GValue const *value, GParamSpec * pspec)
{
GstBaseParse *base_parse = GST_BASE_PARSE (object);
GstRawBaseParse *raw_base_parse = GST_RAW_BASE_PARSE (object);
GstRawVideoParse *raw_video_parse = GST_RAW_VIDEO_PARSE (object);
GstRawVideoParseConfig *props_cfg = &(raw_video_parse->properties_config);
/* All properties are handled similarly:
* - if the new value is the same as the current value, nothing is done
* - the parser lock is held while the new value is set
* - if the properties config is the current config, the source caps are
* invalidated to ensure that the code in handle_frame pushes a new CAPS
* event out
* - properties that affect the video frame size call the function to update
* the info and also call gst_base_parse_set_min_frame_size() to ensure
* that the minimum frame size can hold 1 frame (= one sample for each
* channel); to ensure that the min frame size includes any extra padding,
* it is set to the result of gst_raw_video_parse_get_config_frame_size()
* - property configuration values that require video info updates aren't
* written directory into the video info structure, but in the extra
* fields instead (gst_raw_video_parse_update_info() then copies the values
* from these fields into the video info); see the documentation inside
* gst_raw_video_parse_update_info() for the reason why
*/
switch (prop_id) {
case PROP_WIDTH:
{
gint new_width = g_value_get_int (value);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
if (new_width != props_cfg->width) {
props_cfg->width = new_width;
gst_raw_video_parse_update_info (props_cfg);
if (!gst_raw_video_parse_is_using_sink_caps (raw_video_parse)) {
gst_raw_base_parse_invalidate_src_caps (raw_base_parse);
gst_base_parse_set_min_frame_size (base_parse,
gst_raw_video_parse_get_config_frame_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_PROPERTIES));
}
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_HEIGHT:
{
gint new_height = g_value_get_int (value);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
if (new_height != props_cfg->height) {
props_cfg->height = new_height;
gst_raw_video_parse_update_info (props_cfg);
if (!gst_raw_video_parse_is_using_sink_caps (raw_video_parse)) {
gst_raw_base_parse_invalidate_src_caps (raw_base_parse);
gst_base_parse_set_min_frame_size (base_parse,
gst_raw_video_parse_get_config_frame_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_PROPERTIES));
}
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_FORMAT:
{
GstVideoFormat new_format = g_value_get_enum (value);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
if (new_format != props_cfg->format) {
props_cfg->format = new_format;
gst_raw_video_parse_update_info (props_cfg);
if (!gst_raw_video_parse_is_using_sink_caps (raw_video_parse)) {
gst_raw_base_parse_invalidate_src_caps (raw_base_parse);
gst_base_parse_set_min_frame_size (base_parse,
gst_raw_video_parse_get_config_frame_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_PROPERTIES));
}
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_PIXEL_ASPECT_RATIO:
{
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
/* The pixel aspect ratio does not affect the video frame size,
* so it is just set directly without any updates */
props_cfg->pixel_aspect_ratio_n =
GST_VIDEO_INFO_PAR_N (&(props_cfg->info)) =
gst_value_get_fraction_numerator (value);
props_cfg->pixel_aspect_ratio_d =
GST_VIDEO_INFO_PAR_D (&(props_cfg->info)) =
gst_value_get_fraction_denominator (value);
GST_DEBUG_OBJECT (raw_video_parse, "setting pixel aspect ratio to %u/%u",
props_cfg->pixel_aspect_ratio_n, props_cfg->pixel_aspect_ratio_d);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_FRAMERATE:
{
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
/* The framerate does not affect the video frame size,
* so it is just set directly without any updates */
props_cfg->framerate_n = GST_VIDEO_INFO_FPS_N (&(props_cfg->info)) =
gst_value_get_fraction_numerator (value);
props_cfg->framerate_d = GST_VIDEO_INFO_FPS_D (&(props_cfg->info)) =
gst_value_get_fraction_denominator (value);
GST_DEBUG_OBJECT (raw_video_parse, "setting framerate to %u/%u",
props_cfg->framerate_n, props_cfg->framerate_d);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_INTERLACED:
{
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
/* Interlacing does not affect the video frame size,
* so it is just set directly without any updates */
props_cfg->interlaced = g_value_get_boolean (value);
GST_VIDEO_INFO_INTERLACE_MODE (&(props_cfg->info)) =
props_cfg->interlaced ? GST_VIDEO_INTERLACE_MODE_INTERLEAVED :
GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_TOP_FIELD_FIRST:
{
/* The top-field-first flag is a detail related to
* interlacing, so no video info update is needed */
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
props_cfg->top_field_first = g_value_get_boolean (value);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_PLANE_STRIDES:
{
GValueArray *valarray = g_value_get_boxed (value);
guint n_planes;
guint i;
/* If no valarray is given, then disable custom
* plane strides & offsets and stick to the
* standard computed ones */
if (valarray == NULL) {
GST_DEBUG_OBJECT (raw_video_parse,
"custom plane strides & offsets disabled");
props_cfg->custom_plane_strides = FALSE;
gst_raw_video_parse_update_info (props_cfg);
break;
}
/* Sanity check - reject empty arrays */
if ((valarray != NULL) && (valarray->n_values == 0)) {
GST_ELEMENT_ERROR (raw_video_parse, LIBRARY, SETTINGS,
("plane strides property holds an empty array"), (NULL));
break;
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
n_planes = GST_VIDEO_INFO_N_PLANES (&(props_cfg->info));
/* Check that the valarray holds the right number of values */
if (valarray->n_values != n_planes) {
GST_ELEMENT_ERROR (raw_video_parse, LIBRARY, SETTINGS,
("incorrect number of elements in plane strides property"),
("expected: %u, got: %u", n_planes, valarray->n_values));
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
/* Copy the values to the stride array */
for (i = 0; i < n_planes; ++i) {
GValue *val = g_value_array_get_nth (valarray, i);
props_cfg->plane_strides[i] = g_value_get_uint (val);
GST_DEBUG_OBJECT (raw_video_parse, "plane #%u stride: %d", i,
props_cfg->plane_strides[i]);
}
props_cfg->custom_plane_strides = TRUE;
gst_raw_video_parse_update_info (props_cfg);
if (!gst_raw_video_parse_is_using_sink_caps (raw_video_parse))
gst_base_parse_set_min_frame_size (base_parse,
gst_raw_video_parse_get_config_frame_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_PROPERTIES));
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_PLANE_OFFSETS:
{
GValueArray *valarray = g_value_get_boxed (value);
guint n_planes;
guint i;
/* If no valarray is given, then disable custom
* plane strides & offsets and stick to the
* standard computed ones */
if (valarray == NULL) {
GST_DEBUG_OBJECT (raw_video_parse,
"custom plane strides & offsets disabled");
props_cfg->custom_plane_strides = FALSE;
gst_raw_video_parse_update_info (props_cfg);
break;
}
/* Sanity check - reject empty arrays */
if ((valarray != NULL) && (valarray->n_values == 0)) {
GST_ELEMENT_ERROR (raw_video_parse, LIBRARY, SETTINGS,
("plane offsets property holds an empty array"), (NULL));
break;
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
n_planes = GST_VIDEO_INFO_N_PLANES (&(props_cfg->info));
/* Check that the valarray holds the right number of values */
if (valarray->n_values != n_planes) {
GST_ELEMENT_ERROR (raw_video_parse, LIBRARY, SETTINGS,
("incorrect number of elements in plane offsets property"),
("expected: %u, got: %u", n_planes, valarray->n_values));
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
/* Copy the values to the offset array */
for (i = 0; i < n_planes; ++i) {
GValue *val = g_value_array_get_nth (valarray, i);
props_cfg->plane_offsets[i] = g_value_get_uint (val);
GST_DEBUG_OBJECT (raw_video_parse, "plane #%u offset: %" G_GSIZE_FORMAT,
i, props_cfg->plane_offsets[i]);
}
props_cfg->custom_plane_strides = TRUE;
gst_raw_video_parse_update_info (props_cfg);
if (!gst_raw_video_parse_is_using_sink_caps (raw_video_parse))
gst_base_parse_set_min_frame_size (base_parse,
gst_raw_video_parse_get_config_frame_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_PROPERTIES));
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_FRAME_STRIDE:
{
/* The frame stride does not affect the video frame size,
* so it is just set directly without any updates */
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
props_cfg->frame_stride = g_value_get_uint (value);
gst_raw_video_parse_update_info (props_cfg);
if (!gst_raw_video_parse_is_using_sink_caps (raw_video_parse))
gst_base_parse_set_min_frame_size (base_parse,
gst_raw_video_parse_get_config_frame_size (raw_base_parse,
GST_RAW_BASE_PARSE_CONFIG_PROPERTIES));
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_raw_audio_parse_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstRawAudioParse *raw_audio_parse = GST_RAW_AUDIO_PARSE (object);
switch (prop_id) {
case PROP_FORMAT:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
g_value_set_enum (value, raw_audio_parse->properties_config.format);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
case PROP_PCM_FORMAT:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
g_value_set_enum (value, raw_audio_parse->properties_config.pcm_format);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
case PROP_SAMPLE_RATE:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
g_value_set_int (value, raw_audio_parse->properties_config.sample_rate);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
case PROP_NUM_CHANNELS:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
g_value_set_int (value, raw_audio_parse->properties_config.num_channels);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
case PROP_INTERLEAVED:
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
g_value_set_boolean (value,
raw_audio_parse->properties_config.interleaved);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
case PROP_CHANNEL_POSITIONS:
{
GstRawAudioParseConfig *config;
GValueArray *valarray;
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
valarray = NULL;
config = &(raw_audio_parse->properties_config);
/* Copy channel positions into the valuearray */
if (config->num_channels > 0) {
guint i;
GValue val = G_VALUE_INIT;
g_assert (config->channel_positions);
g_value_init (&val, GST_TYPE_AUDIO_CHANNEL_POSITION);
valarray = g_value_array_new (config->num_channels);
for (i = 0; i < config->num_channels; ++i) {
g_value_set_enum (&val, config->channel_positions[i]);
g_value_array_insert (valarray, i, &val);
}
g_value_unset (&val);
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
/* Pass on ownership to the value array,
* since we don't need it anymore */
g_value_take_boxed (value, valarray);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_raw_audio_parse_set_property (GObject * object, guint prop_id,
GValue const *value, GParamSpec * pspec)
{
GstBaseParse *base_parse = GST_BASE_PARSE (object);
GstRawBaseParse *raw_base_parse = GST_RAW_BASE_PARSE (object);
GstRawAudioParse *raw_audio_parse = GST_RAW_AUDIO_PARSE (object);
/* All properties are handled similarly:
* - if the new value is the same as the current value, nothing is done
* - the parser lock is held while the new value is set
* - if the properties config is the current config, the source caps are
* invalidated to ensure that the code in handle_frame pushes a new CAPS
* event out
* - properties that affect the bpf value call the function to update
* the bpf and also call gst_base_parse_set_min_frame_size() to ensure
* that the minimum frame size can hold 1 frame (= one sample for each
* channel)
*/
switch (prop_id) {
case PROP_FORMAT:
{
GstRawAudioParseFormat new_format = g_value_get_enum (value);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
if (new_format != raw_audio_parse->properties_config.format) {
raw_audio_parse->properties_config.format = new_format;
gst_raw_audio_parse_update_config_bpf (&
(raw_audio_parse->properties_config));
if (!gst_raw_audio_parse_is_using_sink_caps (raw_audio_parse)) {
gst_raw_base_parse_invalidate_src_caps (raw_base_parse);
gst_base_parse_set_min_frame_size (base_parse,
raw_audio_parse->properties_config.bpf);
}
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_PCM_FORMAT:
{
GstAudioFormat new_pcm_format = g_value_get_enum (value);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
if (new_pcm_format != raw_audio_parse->properties_config.pcm_format) {
raw_audio_parse->properties_config.pcm_format = new_pcm_format;
gst_raw_audio_parse_update_config_bpf (&
(raw_audio_parse->properties_config));
if (!gst_raw_audio_parse_is_using_sink_caps (raw_audio_parse)) {
gst_raw_base_parse_invalidate_src_caps (raw_base_parse);
gst_base_parse_set_min_frame_size (base_parse,
raw_audio_parse->properties_config.bpf);
}
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_SAMPLE_RATE:
{
guint new_sample_rate = g_value_get_int (value);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
if (new_sample_rate != raw_audio_parse->properties_config.sample_rate) {
raw_audio_parse->properties_config.sample_rate = new_sample_rate;
if (!gst_raw_audio_parse_is_using_sink_caps (raw_audio_parse))
gst_raw_base_parse_invalidate_src_caps (raw_base_parse);
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_NUM_CHANNELS:
{
guint new_num_channels = g_value_get_int (value);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
if (new_num_channels != raw_audio_parse->properties_config.num_channels) {
gst_raw_audio_parse_set_config_channels (&
(raw_audio_parse->properties_config), new_num_channels, 0, TRUE);
raw_audio_parse->properties_config.num_channels = new_num_channels;
gst_raw_audio_parse_update_config_bpf (&
(raw_audio_parse->properties_config));
if (!gst_raw_audio_parse_is_using_sink_caps (raw_audio_parse)) {
gst_raw_base_parse_invalidate_src_caps (raw_base_parse);
gst_base_parse_set_min_frame_size (base_parse,
raw_audio_parse->properties_config.bpf);
}
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_INTERLEAVED:
{
gboolean new_interleaved = g_value_get_boolean (value);
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
if (new_interleaved != raw_audio_parse->properties_config.interleaved) {
raw_audio_parse->properties_config.interleaved = new_interleaved;
if (!gst_raw_audio_parse_is_using_sink_caps (raw_audio_parse))
gst_raw_base_parse_invalidate_src_caps (raw_base_parse);
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
case PROP_CHANNEL_POSITIONS:
{
GValueArray *valarray = g_value_get_boxed (value);
GstRawAudioParseConfig *config = &(raw_audio_parse->properties_config);
/* Sanity check - reject empty arrays */
if ((valarray != NULL) && (valarray->n_values == 0)) {
GST_ELEMENT_ERROR (raw_audio_parse, LIBRARY, SETTINGS,
("channel position property holds an empty array"), (NULL));
break;
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_LOCK (object);
if ((valarray == NULL) && (config->num_channels > 0)) {
/* NULL value given, and number of channels is nonzero.
* Use the default GStreamer positioning. Call
* set_config_channels with the set_positions parameter
* set to TRUE to ensure the position values are filled. */
gst_raw_audio_parse_set_config_channels (&
(raw_audio_parse->properties_config), config->num_channels, 0,
TRUE);
} else {
/* Non-NULL value given. Make sure the channel_positions
* array in the properties config has enough room, and that
* the num_channels value equals the array length. Then copy
* the values from the valarray to channel_positions, and
* produce a copy of that array in case its channel positions
* are not in a valid GStreamer order (to be able to apply
* channel reordering later).
*/
guint i;
if (valarray->n_values != config->num_channels) {
/* Call with set_positions == FALSE to ensure that
* the array is properly allocated but not filled
* (it is filled below) */
gst_raw_audio_parse_set_config_channels (config, valarray->n_values,
0, FALSE);
}
for (i = 0; i < config->num_channels; ++i) {
GValue *val = g_value_array_get_nth (valarray, i);
config->channel_positions[i] = g_value_get_enum (val);
}
gst_raw_audio_parse_update_channel_reordering_flag (config);
}
gst_raw_audio_parse_update_config_bpf (&
(raw_audio_parse->properties_config));
if (!gst_raw_audio_parse_is_using_sink_caps (raw_audio_parse)) {
gst_raw_base_parse_invalidate_src_caps (raw_base_parse);
gst_base_parse_set_min_frame_size (base_parse,
raw_audio_parse->properties_config.bpf);
}
GST_RAW_BASE_PARSE_CONFIG_MUTEX_UNLOCK (object);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
