static void
gst_dirac_parse_init (GstDiracParse * diracparse)
{
gst_base_parse_set_min_frame_size (GST_BASE_PARSE (diracparse), 13);
gst_base_parse_set_pts_interpolation (GST_BASE_PARSE (diracparse), FALSE);
GST_PAD_SET_ACCEPT_INTERSECT (GST_BASE_PARSE_SINK_PAD (diracparse));
GST_PAD_SET_ACCEPT_TEMPLATE (GST_BASE_PARSE_SINK_PAD (diracparse));
}
static void
gst_ac3_parse_init (GstAc3Parse * ac3parse)
{
gst_base_parse_set_min_frame_size (GST_BASE_PARSE (ac3parse), 8);
gst_ac3_parse_reset (ac3parse);
ac3parse->baseparse_chainfunc =
GST_BASE_PARSE_SINK_PAD (GST_BASE_PARSE (ac3parse))->chainfunc;
GST_PAD_SET_ACCEPT_INTERSECT (GST_BASE_PARSE_SINK_PAD (ac3parse));
GST_PAD_SET_ACCEPT_TEMPLATE (GST_BASE_PARSE_SINK_PAD (ac3parse));
}
static void
gst_mpegv_parse_init (GstMpegvParse * parse)
{
parse->config_flags = FLAG_NONE;
gst_base_parse_set_pts_interpolation (GST_BASE_PARSE (parse), FALSE);
}
static void
gst_dirac_parse_init (GstDiracParse * diracparse,
GstDiracParseClass * diracparse_class)
{
gst_base_parse_set_min_frame_size (GST_BASE_PARSE (diracparse), 13);
}
/**
* gst_amrparse_sink_setcaps:
* @sinkpad: GstPad
* @caps: GstCaps
*
* Returns: TRUE on success.
*/
static gboolean
gst_amrparse_sink_setcaps (GstBaseParse * parse, GstCaps * caps)
{
GstAmrParse *amrparse;
GstStructure *structure;
const gchar *name;
amrparse = GST_AMRPARSE (parse);
structure = gst_caps_get_structure (caps, 0);
name = gst_structure_get_name (structure);
GST_DEBUG_OBJECT (amrparse, "setcaps: %s", name);
if (!strncmp (name, "audio/x-amr-wb-sh", 17)) {
amrparse->block_size = block_size_wb;
amrparse->wide = 1;
} else if (!strncmp (name, "audio/x-amr-nb-sh", 17)) {
amrparse->block_size = block_size_nb;
amrparse->wide = 0;
} else {
GST_WARNING ("Unknown caps");
return FALSE;
}
amrparse->need_header = FALSE;
gst_base_parse_set_frame_props (GST_BASE_PARSE (amrparse), 50, 1, 2, 2);
gst_amrparse_set_src_caps (amrparse);
return TRUE;
}
/**
* gst_amrparse_init:
* @amrparse: #GstAmrParse
* @klass: #GstAmrParseClass.
*
*/
static void
gst_amrparse_init (GstAmrParse * amrparse, GstAmrParseClass * klass)
{
/* init rest */
gst_base_parse_set_min_frame_size (GST_BASE_PARSE (amrparse), 62);
GST_DEBUG ("initialized");
}
/**
* gst_amr_parse_init:
* @amrparse: #GstAmrParse
* @klass: #GstAmrParseClass.
*
*/
static void
gst_amr_parse_init (GstAmrParse * amrparse)
{
/* init rest */
gst_base_parse_set_min_frame_size (GST_BASE_PARSE (amrparse), 62);
GST_DEBUG ("initialized");
GST_PAD_SET_ACCEPT_INTERSECT (GST_BASE_PARSE_SINK_PAD (amrparse));
GST_PAD_SET_ACCEPT_TEMPLATE (GST_BASE_PARSE_SINK_PAD (amrparse));
}
/**
* gst_amrparse_set_src_caps:
* @amrparse: #GstAmrParse.
*
* Set source pad caps according to current knowledge about the
* audio stream.
*
* Returns: TRUE if caps were successfully set.
*/
static gboolean
gst_amrparse_set_src_caps (GstAmrParse * amrparse)
{
GstCaps *src_caps = NULL;
gboolean res = FALSE;
if (amrparse->wide) {
GST_DEBUG_OBJECT (amrparse, "setting srcpad caps to AMR-WB");
src_caps = gst_caps_new_simple ("audio/AMR-WB",
"channels", G_TYPE_INT, 1, "rate", G_TYPE_INT, 16000, NULL);
} else {
GST_DEBUG_OBJECT (amrparse, "setting srcpad caps to AMR-NB");
/* Max. size of NB frame is 31 bytes, so we can set the min. frame
size to 32 (+1 for next frame header) */
gst_base_parse_set_min_frame_size (GST_BASE_PARSE (amrparse), 32);
src_caps = gst_caps_new_simple ("audio/AMR",
"channels", G_TYPE_INT, 1, "rate", G_TYPE_INT, 8000, NULL);
}
gst_pad_use_fixed_caps (GST_BASE_PARSE (amrparse)->srcpad);
res = gst_pad_set_caps (GST_BASE_PARSE (amrparse)->srcpad, src_caps);
gst_caps_unref (src_caps);
return res;
}
/**
* gst_amr_parse_check_valid_frame:
* @parse: #GstBaseParse.
* @buffer: #GstBuffer.
* @framesize: Output variable where the found frame size is put.
* @skipsize: Output variable which tells how much data needs to be skipped
* until a frame header is found.
*
* Implementation of "check_valid_frame" vmethod in #GstBaseParse class.
*
* Returns: TRUE if the given data contains valid frame.
*/
gboolean
gst_amr_parse_check_valid_frame (GstBaseParse * parse,
GstBaseParseFrame * frame, guint * framesize, gint * skipsize)
{
GstBuffer *buffer;
const guint8 *data;
gint fsize, mode, dsize;
GstAmrParse *amrparse;
amrparse = GST_AMR_PARSE (parse);
buffer = frame->buffer;
data = GST_BUFFER_DATA (buffer);
dsize = GST_BUFFER_SIZE (buffer);
GST_LOG ("buffer: %d bytes", dsize);
if (amrparse->need_header) {
if (dsize >= AMR_MIME_HEADER_SIZE &&
gst_amr_parse_parse_header (amrparse, data, skipsize)) {
amrparse->need_header = FALSE;
gst_base_parse_set_frame_rate (GST_BASE_PARSE (amrparse), 50, 1, 2, 2);
} else {
GST_WARNING ("media doesn't look like a AMR format");
}
/* We return FALSE, so this frame won't get pushed forward. Instead,
the "skip" value is set, so next time we will receive a valid frame. */
return FALSE;
}
/* Does this look like a possible frame header candidate? */
if ((data[0] & 0x83) == 0) {
/* Yep. Retrieve the frame size */
mode = (data[0] >> 3) & 0x0F;
fsize = amrparse->block_size[mode] + 1; /* +1 for the header byte */
/* We recognize this data as a valid frame when:
* - We are in sync. There is no need for extra checks then
* - We are in EOS. There might not be enough data to check next frame
* - Sync is lost, but the following data after this frame seem
* to contain a valid header as well (and there is enough data to
* perform this check)
*/
if (fsize &&
(!GST_BASE_PARSE_LOST_SYNC (parse) || GST_BASE_PARSE_DRAINING (parse)
|| (dsize > fsize && (data[fsize] & 0x83) == 0))) {
*framesize = fsize;
return TRUE;
}
}
static GstFlowReturn
gst_h263_parse_parse_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
{
GstH263Parse *h263parse;
GstBuffer *buffer;
GstFlowReturn res;
H263Params params = { 0, };
h263parse = GST_H263_PARSE (parse);
buffer = frame->buffer;
res = gst_h263_parse_get_params (¶ms, buffer, TRUE, &h263parse->state);
if (res != GST_FLOW_OK)
goto out;
if (h263parse->state == PASSTHROUGH || h263parse->state == PARSING) {
/* There's a feature we don't support, or we didn't have enough data to
* parse the header, which should not be possible. Either way, go into
* passthrough mode and let downstream handle it if it can. */
GST_WARNING ("Couldn't parse header - setting passthrough mode");
gst_base_parse_set_passthrough (parse, TRUE);
goto out;
}
/* h263parse->state is now GOT_HEADER */
gst_buffer_set_caps (buffer,
GST_PAD_CAPS (GST_BASE_PARSE_SRC_PAD (GST_BASE_PARSE (h263parse))));
if (gst_h263_parse_is_delta_unit (¶ms))
GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
else
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
out:
return res;
}
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 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;
}
}
static void
gst_ac3_parse_init (GstAc3Parse * ac3parse)
{
gst_base_parse_set_min_frame_size (GST_BASE_PARSE (ac3parse), 6);
gst_ac3_parse_reset (ac3parse);
}
/**
* gst_amr_parse_check_valid_frame:
* @parse: #GstBaseParse.
* @buffer: #GstBuffer.
* @framesize: Output variable where the found frame size is put.
* @skipsize: Output variable which tells how much data needs to be skipped
* until a frame header is found.
*
* Implementation of "check_valid_frame" vmethod in #GstBaseParse class.
*
* Returns: TRUE if the given data contains valid frame.
*/
static GstFlowReturn
gst_amr_parse_handle_frame (GstBaseParse * parse,
GstBaseParseFrame * frame, gint * skipsize)
{
GstBuffer *buffer;
GstMapInfo map;
gint fsize = 0, mode, dsize;
GstAmrParse *amrparse;
GstFlowReturn ret = GST_FLOW_OK;
gboolean found = FALSE;
amrparse = GST_AMR_PARSE (parse);
buffer = frame->buffer;
gst_buffer_map (buffer, &map, GST_MAP_READ);
dsize = map.size;
GST_LOG ("buffer: %d bytes", dsize);
if (amrparse->need_header) {
if (dsize >= AMR_MIME_HEADER_SIZE &&
gst_amr_parse_parse_header (amrparse, map.data, skipsize)) {
amrparse->need_header = FALSE;
gst_base_parse_set_frame_rate (GST_BASE_PARSE (amrparse), 50, 1, 2, 2);
} else {
GST_WARNING ("media doesn't look like a AMR format");
}
/* We return FALSE, so this frame won't get pushed forward. Instead,
the "skip" value is set, so next time we will receive a valid frame. */
goto done;
}
*skipsize = 1;
/* Does this look like a possible frame header candidate? */
if ((map.data[0] & 0x83) == 0) {
/* Yep. Retrieve the frame size */
mode = (map.data[0] >> 3) & 0x0F;
fsize = amrparse->block_size[mode] + 1; /* +1 for the header byte */
/* We recognize this data as a valid frame when:
* - We are in sync. There is no need for extra checks then
* - We are in EOS. There might not be enough data to check next frame
* - Sync is lost, but the following data after this frame seem
* to contain a valid header as well (and there is enough data to
* perform this check)
*/
if (fsize) {
*skipsize = 0;
/* in sync, no further check */
if (!GST_BASE_PARSE_LOST_SYNC (parse)) {
found = TRUE;
} else if (dsize > fsize) {
/* enough data, check for next sync */
if ((map.data[fsize] & 0x83) == 0)
found = TRUE;
} else if (GST_BASE_PARSE_DRAINING (parse)) {
/* not enough, but draining, so ok */
found = TRUE;
}
}
}
static void
gst_h264_parse_update_src_caps (GstH264Parse * h264parse)
{
GstH264ParamsSPS *sps;
GstCaps *caps = NULL, *sink_caps;
gboolean modified = FALSE;
GstBuffer *buf = NULL;
if (G_UNLIKELY (!GST_PAD_CAPS (GST_BASE_PARSE_SRC_PAD (h264parse))))
modified = TRUE;
else if (G_UNLIKELY (!h264parse->update_caps))
return;
/* carry over input caps as much as possible; override with our own stuff */
sink_caps = GST_PAD_CAPS (GST_BASE_PARSE_SINK_PAD (h264parse));
if (sink_caps)
gst_caps_ref (sink_caps);
else
sink_caps = gst_caps_new_simple ("video/x-h264", NULL);
sps = h264parse->params->sps;
GST_DEBUG_OBJECT (h264parse, "sps: %p", sps);
/* only codec-data for nice-and-clean au aligned packetized avc format */
if (h264parse->format == GST_H264_PARSE_FORMAT_AVC &&
h264parse->align == GST_H264_PARSE_ALIGN_AU) {
buf = gst_h264_parse_make_codec_data (h264parse);
if (buf && h264parse->codec_data) {
if (GST_BUFFER_SIZE (buf) != GST_BUFFER_SIZE (h264parse->codec_data) ||
memcmp (GST_BUFFER_DATA (buf),
GST_BUFFER_DATA (h264parse->codec_data), GST_BUFFER_SIZE (buf)))
modified = TRUE;
} else {
if (h264parse->codec_data)
buf = gst_buffer_ref (h264parse->codec_data);
modified = TRUE;
}
}
if (G_UNLIKELY (!sps)) {
caps = gst_caps_copy (sink_caps);
} else if (G_UNLIKELY (h264parse->width != sps->width ||
h264parse->height != sps->height || h264parse->fps_num != sps->fps_num
|| h264parse->fps_den != sps->fps_den || modified)) {
caps = gst_caps_copy (sink_caps);
/* sps should give this */
gst_caps_set_simple (caps, "width", G_TYPE_INT, sps->width,
"height", G_TYPE_INT, sps->height, NULL);
h264parse->height = sps->height;
h264parse->width = sps->width;
/* but not necessarily or reliably this */
if ((!h264parse->fps_num || !h264parse->fps_den) &&
sps->fps_num > 0 && sps->fps_den > 0) {
gst_caps_set_simple (caps, "framerate",
GST_TYPE_FRACTION, sps->fps_num, sps->fps_den, NULL);
h264parse->fps_num = sps->fps_num;
h264parse->fps_den = sps->fps_den;
gst_base_parse_set_frame_props (GST_BASE_PARSE (h264parse),
h264parse->fps_num, h264parse->fps_den, 0, 0);
}
}
if (caps) {
gst_caps_set_simple (caps, "parsed", G_TYPE_BOOLEAN, TRUE,
"stream-format", G_TYPE_STRING,
gst_h264_parse_get_string (h264parse, TRUE, h264parse->format),
"alignment", G_TYPE_STRING,
gst_h264_parse_get_string (h264parse, FALSE, h264parse->align), NULL);
if (buf) {
gst_caps_set_simple (caps, "codec_data", GST_TYPE_BUFFER, buf, NULL);
gst_buffer_replace (&h264parse->codec_data, buf);
gst_buffer_unref (buf);
buf = NULL;
} else {
GstStructure *s;
/* remove any left-over codec-data hanging around */
s = gst_caps_get_structure (caps, 0);
gst_structure_remove_field (s, "codec_data");
}
gst_pad_set_caps (GST_BASE_PARSE_SRC_PAD (h264parse), caps);
gst_caps_unref (caps);
}
gst_caps_unref (sink_caps);
if (buf)
gst_buffer_unref (buf);
}
static void
gst_irtsp_parse_init (GstIRTSPParse * IRTSPParse, GstIRTSPParseClass * klass)
{
gst_base_parse_set_min_frame_size (GST_BASE_PARSE (IRTSPParse), 4);
gst_irtsp_parse_reset (IRTSPParse);
}
static void
gst_mpegv_parse_update_src_caps (GstMpegvParse * mpvparse)
{
GstCaps *caps = NULL;
/* only update if no src caps yet or explicitly triggered */
if (G_LIKELY (gst_pad_has_current_caps (GST_BASE_PARSE_SRC_PAD (mpvparse)) &&
!mpvparse->update_caps))
return;
/* carry over input caps as much as possible; override with our own stuff */
caps = gst_pad_get_current_caps (GST_BASE_PARSE_SINK_PAD (mpvparse));
if (caps) {
caps = gst_caps_make_writable (caps);
} else {
caps = gst_caps_new_empty_simple ("video/mpeg");
}
/* typically we don't output buffers until we have properly parsed some
* config data, so we should at least know about version.
* If not, it means it has been requested not to drop data, and
* upstream and/or app must know what they are doing ... */
gst_caps_set_simple (caps,
"mpegversion", G_TYPE_INT, (mpvparse->config_flags & FLAG_MPEG2) ? 2 : 1,
NULL);
gst_caps_set_simple (caps, "systemstream", G_TYPE_BOOLEAN, FALSE,
"parsed", G_TYPE_BOOLEAN, TRUE, NULL);
if (mpvparse->sequencehdr.width > 0 && mpvparse->sequencehdr.height > 0) {
gst_caps_set_simple (caps, "width", G_TYPE_INT, mpvparse->sequencehdr.width,
"height", G_TYPE_INT, mpvparse->sequencehdr.height, NULL);
}
/* perhaps we have a framerate */
if (mpvparse->fps_num > 0 && mpvparse->fps_den > 0) {
gint fps_num = mpvparse->fps_num;
gint fps_den = mpvparse->fps_den;
GstClockTime latency = gst_util_uint64_scale (GST_SECOND, fps_den, fps_num);
gst_caps_set_simple (caps, "framerate",
GST_TYPE_FRACTION, fps_num, fps_den, NULL);
gst_base_parse_set_frame_rate (GST_BASE_PARSE (mpvparse),
fps_num, fps_den, 0, 0);
gst_base_parse_set_latency (GST_BASE_PARSE (mpvparse), latency, latency);
}
/* or pixel-aspect-ratio */
if (mpvparse->sequencehdr.par_w && mpvparse->sequencehdr.par_h > 0) {
gst_caps_set_simple (caps, "pixel-aspect-ratio", GST_TYPE_FRACTION,
mpvparse->sequencehdr.par_w, mpvparse->sequencehdr.par_h, NULL);
}
if (mpvparse->config != NULL) {
gst_caps_set_simple (caps, "codec_data",
GST_TYPE_BUFFER, mpvparse->config, NULL);
}
if (mpvparse->config_flags & FLAG_SEQUENCE_EXT) {
const guint profile_c = mpvparse->sequenceext.profile;
const guint level_c = mpvparse->sequenceext.level;
const gchar *profile = NULL, *level = NULL;
/*
* Profile indication - 1 => High, 2 => Spatially Scalable,
* 3 => SNR Scalable, 4 => Main, 5 => Simple
* 4:2:2 and Multi-view have profile = 0, with the escape bit set to 1
*/
const gchar *const profiles[] =
{ "high", "spatial", "snr", "main", "simple" };
/*
* Level indication - 4 => High, 6 => High-1440, 8 => Main, 10 => Low,
* except in the case of profile = 0
*/
const gchar *const levels[] = { "high", "high-1440", "main", "low" };
if (profile_c > 0 && profile_c < 6)
profile = profiles[profile_c - 1];
if ((level_c > 3) && (level_c < 11) && (level_c % 2 == 0))
level = levels[(level_c >> 1) - 2];
if (profile_c == 8) {
/* Non-hierarchical profile */
switch (level_c) {
case 2:
level = levels[0];
case 5:
level = levels[2];
profile = "4:2:2";
break;
case 10:
level = levels[0];
case 11:
level = levels[1];
case 13:
level = levels[2];
case 14:
level = levels[3];
profile = "multiview";
break;
default:
break;
}
}
/* FIXME does it make sense to expose profile/level in the caps ? */
GST_DEBUG_OBJECT (mpvparse, "profile:'%s' level:'%s'", profile, level);
if (profile)
gst_caps_set_simple (caps, "profile", G_TYPE_STRING, profile, NULL);
else
GST_DEBUG_OBJECT (mpvparse, "Invalid profile - %u", profile_c);
if (level)
gst_caps_set_simple (caps, "level", G_TYPE_STRING, level, NULL);
else
GST_DEBUG_OBJECT (mpvparse, "Invalid level - %u", level_c);
gst_caps_set_simple (caps, "interlace-mode",
G_TYPE_STRING,
(mpvparse->sequenceext.progressive ? "progressive" : "mixed"), NULL);
}
gst_pad_set_caps (GST_BASE_PARSE_SRC_PAD (mpvparse), caps);
gst_caps_unref (caps);
mpvparse->update_caps = FALSE;
}
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_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_dirac_parse_init (GstDiracParse * diracparse)
{
gst_base_parse_set_min_frame_size (GST_BASE_PARSE (diracparse), 13);
gst_base_parse_set_pts_interpolation (GST_BASE_PARSE (diracparse), FALSE);
}
static void
gst_h263_parse_set_src_caps (GstH263Parse * h263parse,
const H263Params * params)
{
GstStructure *st;
GstCaps *caps, *sink_caps;
gint fr_num, fr_denom;
g_assert (h263parse->state == PASSTHROUGH || h263parse->state == GOT_HEADER);
caps = GST_PAD_CAPS (GST_BASE_PARSE_SINK_PAD (h263parse));
if (caps) {
caps = gst_caps_copy (caps);
} else {
caps = gst_caps_new_simple ("video/x-h263",
"variant", G_TYPE_STRING, "itu", NULL);
}
gst_caps_set_simple (caps, "parsed", G_TYPE_BOOLEAN, TRUE, NULL);
sink_caps = GST_PAD_CAPS (GST_BASE_PARSE_SINK_PAD (h263parse));
if (sink_caps && (st = gst_caps_get_structure (sink_caps, 0)) &&
gst_structure_get_fraction (st, "framerate", &fr_num, &fr_denom)) {
/* Got it in caps - nothing more to do */
GST_DEBUG_OBJECT (h263parse, "sink caps override framerate from headers");
} else {
/* Caps didn't have the framerate - get it from params */
gst_h263_parse_get_framerate (params, &fr_num, &fr_denom);
}
gst_caps_set_simple (caps, "framerate", GST_TYPE_FRACTION, fr_num, fr_denom,
NULL);
if (params->width && params->height)
gst_caps_set_simple (caps, "width", G_TYPE_INT, params->width,
"height", G_TYPE_INT, params->height, NULL);
if (h263parse->state == GOT_HEADER) {
gst_caps_set_simple (caps,
"annex-d", G_TYPE_BOOLEAN, (params->features & H263_OPTION_UMV_MODE),
"annex-e", G_TYPE_BOOLEAN, (params->features & H263_OPTION_SAC_MODE),
"annex-f", G_TYPE_BOOLEAN, (params->features & H263_OPTION_AP_MODE),
"annex-g", G_TYPE_BOOLEAN, (params->features & H263_OPTION_PB_MODE),
"annex-i", G_TYPE_BOOLEAN, (params->features & H263_OPTION_AIC_MODE),
"annex-j", G_TYPE_BOOLEAN, (params->features & H263_OPTION_DF_MODE),
"annex-k", G_TYPE_BOOLEAN, (params->features & H263_OPTION_SS_MODE),
"annex-m", G_TYPE_BOOLEAN, (params->type == PICTURE_IMPROVED_PB),
"annex-n", G_TYPE_BOOLEAN, (params->features & H263_OPTION_RPS_MODE),
"annex-q", G_TYPE_BOOLEAN, (params->features & H263_OPTION_RRU_MODE),
"annex-r", G_TYPE_BOOLEAN, (params->features & H263_OPTION_ISD_MODE),
"annex-s", G_TYPE_BOOLEAN, (params->features & H263_OPTION_AIV_MODE),
"annex-t", G_TYPE_BOOLEAN, (params->features & H263_OPTION_MQ_MODE),
"annex-u", G_TYPE_BOOLEAN, (params->features & H263_OPTION_ERPS_MODE),
"annex-v", G_TYPE_BOOLEAN, (params->features & H263_OPTION_DPS_MODE),
NULL);
h263parse->profile = gst_h263_parse_get_profile (params);
if (h263parse->profile != -1)
gst_caps_set_simple (caps, "profile", G_TYPE_UINT, h263parse->profile,
NULL);
h263parse->level = gst_h263_parse_get_level (params, h263parse->profile,
h263parse->bitrate, fr_num, fr_denom);
if (h263parse->level != -1)
gst_caps_set_simple (caps, "level", G_TYPE_UINT, h263parse->level, NULL);
}
gst_pad_set_caps (GST_BASE_PARSE_SRC_PAD (GST_BASE_PARSE (h263parse)), caps);
gst_caps_unref (caps);
}