G_DEFINE_TYPE_WITH_CODE (GstScaletempo, gst_scaletempo,
GST_TYPE_BASE_TRANSFORM, DEBUG_INIT (0));
-struct _GstScaletempoPrivate
-{
- gdouble scale;
- /* parameters */
- guint ms_stride;
- gdouble percent_overlap;
- guint ms_search;
- /* caps */
- gboolean use_int;
- guint samples_per_frame; /* AKA number of channels */
- guint bytes_per_sample;
- guint bytes_per_frame;
- guint sample_rate;
- /* stride */
- gdouble frames_stride_scaled;
- gdouble frames_stride_error;
- guint bytes_stride;
- gdouble bytes_stride_scaled;
- guint bytes_queue_max;
- guint bytes_queued;
- guint bytes_to_slide;
- gint8 *buf_queue;
- /* overlap */
- guint samples_overlap;
- guint samples_standing;
- guint bytes_overlap;
- guint bytes_standing;
- gpointer buf_overlap;
- gpointer table_blend;
- void (*output_overlap) (GstScaletempo * scaletempo, gpointer out_buf,
- guint bytes_off);
- /* best overlap */
- guint frames_search;
- gpointer buf_pre_corr;
- gpointer table_window;
- guint (*best_overlap_offset) (GstScaletempo * scaletempo);
- /* gstreamer */
- gint64 segment_start;
- GstClockTime latency;
- /* threads */
- gboolean reinit_buffers;
-};
-#define GST_SCALETEMPO_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GST_TYPE_SCALETEMPO, GstScaletempoPrivate))
-
-
static guint
-best_overlap_offset_float (GstScaletempo * scaletempo)
+best_overlap_offset_float (GstScaletempo * st)
{
- GstScaletempoPrivate *p = scaletempo->priv;
gfloat *pw, *po, *ppc, *search_start;
gfloat best_corr = G_MININT;
guint best_off = 0;
gint i, off;
- pw = p->table_window;
- po = p->buf_overlap;
- po += p->samples_per_frame;
- ppc = p->buf_pre_corr;
- for (i = p->samples_per_frame; i < p->samples_overlap; i++) {
+ pw = st->table_window;
+ po = st->buf_overlap;
+ po += st->samples_per_frame;
+ ppc = st->buf_pre_corr;
+ for (i = st->samples_per_frame; i < st->samples_overlap; i++) {
*ppc++ = *pw++ * *po++;
}
- search_start = (gfloat *) p->buf_queue + p->samples_per_frame;
- for (off = 0; off < p->frames_search; off++) {
+ search_start = (gfloat *) st->buf_queue + st->samples_per_frame;
+ for (off = 0; off < st->frames_search; off++) {
gfloat corr = 0;
gfloat *ps = search_start;
- ppc = p->buf_pre_corr;
- for (i = p->samples_per_frame; i < p->samples_overlap; i++) {
+ ppc = st->buf_pre_corr;
+ for (i = st->samples_per_frame; i < st->samples_overlap; i++) {
corr += *ppc++ * *ps++;
}
if (corr > best_corr) {
best_corr = corr;
best_off = off;
}
- search_start += p->samples_per_frame;
+ search_start += st->samples_per_frame;
}
- return best_off * p->bytes_per_frame;
+ return best_off * st->bytes_per_frame;
}
/* buffer padding for loop optimization: sizeof(gint32) * (loop_size - 1) */
#define UNROLL_PADDING (4*3)
static guint
-best_overlap_offset_s16 (GstScaletempo * scaletempo)
+best_overlap_offset_s16 (GstScaletempo * st)
{
- GstScaletempoPrivate *p = scaletempo->priv;
gint32 *pw, *ppc;
gint16 *po, *search_start;
gint64 best_corr = G_MININT64;
guint off;
glong i;
- pw = p->table_window;
- po = p->buf_overlap;
- po += p->samples_per_frame;
- ppc = p->buf_pre_corr;
- for (i = p->samples_per_frame; i < p->samples_overlap; i++) {
+ pw = st->table_window;
+ po = st->buf_overlap;
+ po += st->samples_per_frame;
+ ppc = st->buf_pre_corr;
+ for (i = st->samples_per_frame; i < st->samples_overlap; i++) {
*ppc++ = (*pw++ * *po++) >> 15;
}
- search_start = (gint16 *) p->buf_queue + p->samples_per_frame;
- for (off = 0; off < p->frames_search; off++) {
+ search_start = (gint16 *) st->buf_queue + st->samples_per_frame;
+ for (off = 0; off < st->frames_search; off++) {
gint64 corr = 0;
gint16 *ps = search_start;
- ppc = p->buf_pre_corr;
- ppc += p->samples_overlap - p->samples_per_frame;
- ps += p->samples_overlap - p->samples_per_frame;
- i = -((glong) p->samples_overlap - (glong) p->samples_per_frame);
+ ppc = st->buf_pre_corr;
+ ppc += st->samples_overlap - st->samples_per_frame;
+ ps += st->samples_overlap - st->samples_per_frame;
+ i = -((glong) st->samples_overlap - (glong) st->samples_per_frame);
do {
corr += ppc[i + 0] * ps[i + 0];
corr += ppc[i + 1] * ps[i + 1];
best_corr = corr;
best_off = off;
}
- search_start += p->samples_per_frame;
+ search_start += st->samples_per_frame;
}
- return best_off * p->bytes_per_frame;
+ return best_off * st->bytes_per_frame;
}
static void
-output_overlap_float (GstScaletempo * scaletempo,
- gpointer buf_out, guint bytes_off)
+output_overlap_float (GstScaletempo * st, gpointer buf_out, guint bytes_off)
{
- GstScaletempoPrivate *p = scaletempo->priv;
gfloat *pout = buf_out;
- gfloat *pb = p->table_blend;
- gfloat *po = p->buf_overlap;
- gfloat *pin = (gfloat *) (p->buf_queue + bytes_off);
+ gfloat *pb = st->table_blend;
+ gfloat *po = st->buf_overlap;
+ gfloat *pin = (gfloat *) (st->buf_queue + bytes_off);
gint i;
- for (i = 0; i < p->samples_overlap; i++) {
+ for (i = 0; i < st->samples_overlap; i++) {
*pout++ = *po - *pb++ * (*po - *pin++);
po++;
}
}
static void
-output_overlap_s16 (GstScaletempo * scaletempo,
- gpointer buf_out, guint bytes_off)
+output_overlap_s16 (GstScaletempo * st, gpointer buf_out, guint bytes_off)
{
- GstScaletempoPrivate *p = scaletempo->priv;
gint16 *pout = buf_out;
- gint32 *pb = p->table_blend;
- gint16 *po = p->buf_overlap;
- gint16 *pin = (gint16 *) (p->buf_queue + bytes_off);
+ gint32 *pb = st->table_blend;
+ gint16 *po = st->buf_overlap;
+ gint16 *pin = (gint16 *) (st->buf_queue + bytes_off);
gint i;
- for (i = 0; i < p->samples_overlap; i++) {
+ for (i = 0; i < st->samples_overlap; i++) {
*pout++ = *po - ((*pb++ * (*po - *pin++)) >> 16);
po++;
}
}
static guint
-fill_queue (GstScaletempo * scaletempo, GstBuffer * buf_in, guint offset)
+fill_queue (GstScaletempo * st, GstBuffer * buf_in, guint offset)
{
- GstScaletempoPrivate *p = scaletempo->priv;
guint bytes_in = gst_buffer_get_size (buf_in) - offset;
guint offset_unchanged = offset;
GstMapInfo map;
gst_buffer_map (buf_in, &map, GST_MAP_READ);
- if (p->bytes_to_slide > 0) {
- if (p->bytes_to_slide < p->bytes_queued) {
- guint bytes_in_move = p->bytes_queued - p->bytes_to_slide;
- memmove (p->buf_queue, p->buf_queue + p->bytes_to_slide, bytes_in_move);
- p->bytes_to_slide = 0;
- p->bytes_queued = bytes_in_move;
+ if (st->bytes_to_slide > 0) {
+ if (st->bytes_to_slide < st->bytes_queued) {
+ guint bytes_in_move = st->bytes_queued - st->bytes_to_slide;
+ memmove (st->buf_queue, st->buf_queue + st->bytes_to_slide,
+ bytes_in_move);
+ st->bytes_to_slide = 0;
+ st->bytes_queued = bytes_in_move;
} else {
guint bytes_in_skip;
- p->bytes_to_slide -= p->bytes_queued;
- bytes_in_skip = MIN (p->bytes_to_slide, bytes_in);
- p->bytes_queued = 0;
- p->bytes_to_slide -= bytes_in_skip;
+ st->bytes_to_slide -= st->bytes_queued;
+ bytes_in_skip = MIN (st->bytes_to_slide, bytes_in);
+ st->bytes_queued = 0;
+ st->bytes_to_slide -= bytes_in_skip;
offset += bytes_in_skip;
bytes_in -= bytes_in_skip;
}
}
if (bytes_in > 0) {
- guint bytes_in_copy = MIN (p->bytes_queue_max - p->bytes_queued, bytes_in);
- memcpy (p->buf_queue + p->bytes_queued, map.data + offset, bytes_in_copy);
- p->bytes_queued += bytes_in_copy;
+ guint bytes_in_copy =
+ MIN (st->bytes_queue_max - st->bytes_queued, bytes_in);
+ memcpy (st->buf_queue + st->bytes_queued, map.data + offset, bytes_in_copy);
+ st->bytes_queued += bytes_in_copy;
offset += bytes_in_copy;
}
gst_buffer_unmap (buf_in, &map);
}
static void
-reinit_buffers (GstScaletempo * scaletempo)
+reinit_buffers (GstScaletempo * st)
{
- GstScaletempoPrivate *p = scaletempo->priv;
gint i, j;
guint frames_overlap;
guint new_size;
GstClockTime latency;
- guint frames_stride = p->ms_stride * p->sample_rate / 1000.0;
- p->bytes_stride = frames_stride * p->bytes_per_frame;
+ guint frames_stride = st->ms_stride * st->sample_rate / 1000.0;
+ st->bytes_stride = frames_stride * st->bytes_per_frame;
/* overlap */
- frames_overlap = frames_stride * p->percent_overlap;
+ frames_overlap = frames_stride * st->percent_overlap;
if (frames_overlap < 1) { /* if no overlap */
- p->bytes_overlap = 0;
- p->bytes_standing = p->bytes_stride;
- p->samples_standing = p->bytes_standing / p->bytes_per_sample;
- p->output_overlap = NULL;
+ st->bytes_overlap = 0;
+ st->bytes_standing = st->bytes_stride;
+ st->samples_standing = st->bytes_standing / st->bytes_per_sample;
+ st->output_overlap = NULL;
} else {
- guint prev_overlap = p->bytes_overlap;
- p->bytes_overlap = frames_overlap * p->bytes_per_frame;
- p->samples_overlap = frames_overlap * p->samples_per_frame;
- p->bytes_standing = p->bytes_stride - p->bytes_overlap;
- p->samples_standing = p->bytes_standing / p->bytes_per_sample;
- p->buf_overlap = g_realloc (p->buf_overlap, p->bytes_overlap);
- p->table_blend = g_realloc (p->table_blend, p->samples_overlap * 4); /* sizeof (gint32|gfloat) */
- if (p->bytes_overlap > prev_overlap) {
- memset ((guint8 *) p->buf_overlap + prev_overlap, 0,
- p->bytes_overlap - prev_overlap);
+ guint prev_overlap = st->bytes_overlap;
+ st->bytes_overlap = frames_overlap * st->bytes_per_frame;
+ st->samples_overlap = frames_overlap * st->samples_per_frame;
+ st->bytes_standing = st->bytes_stride - st->bytes_overlap;
+ st->samples_standing = st->bytes_standing / st->bytes_per_sample;
+ st->buf_overlap = g_realloc (st->buf_overlap, st->bytes_overlap);
+ st->table_blend = g_realloc (st->table_blend, st->samples_overlap * 4); /* sizeof (gint32|gfloat) */
+ if (st->bytes_overlap > prev_overlap) {
+ memset ((guint8 *) st->buf_overlap + prev_overlap, 0,
+ st->bytes_overlap - prev_overlap);
}
- if (p->use_int) {
- gint32 *pb = p->table_blend;
+ if (st->use_int) {
+ gint32 *pb = st->table_blend;
gint64 blend = 0;
for (i = 0; i < frames_overlap; i++) {
gint32 v = blend / frames_overlap;
- for (j = 0; j < p->samples_per_frame; j++) {
+ for (j = 0; j < st->samples_per_frame; j++) {
*pb++ = v;
}
blend += 65535; /* 2^16 */
}
- p->output_overlap = output_overlap_s16;
+ st->output_overlap = output_overlap_s16;
} else {
- gfloat *pb = p->table_blend;
+ gfloat *pb = st->table_blend;
gfloat t = (gfloat) frames_overlap;
for (i = 0; i < frames_overlap; i++) {
gfloat v = i / t;
- for (j = 0; j < p->samples_per_frame; j++) {
+ for (j = 0; j < st->samples_per_frame; j++) {
*pb++ = v;
}
}
- p->output_overlap = output_overlap_float;
+ st->output_overlap = output_overlap_float;
}
}
/* best overlap */
- p->frames_search =
- (frames_overlap <= 1) ? 0 : p->ms_search * p->sample_rate / 1000.0;
- if (p->frames_search < 1) { /* if no search */
- p->best_overlap_offset = NULL;
+ st->frames_search =
+ (frames_overlap <= 1) ? 0 : st->ms_search * st->sample_rate / 1000.0;
+ if (st->frames_search < 1) { /* if no search */
+ st->best_overlap_offset = NULL;
} else {
- guint bytes_pre_corr = (p->samples_overlap - p->samples_per_frame) * 4; /* sizeof (gint32|gfloat) */
- p->buf_pre_corr =
- g_realloc (p->buf_pre_corr, bytes_pre_corr + UNROLL_PADDING);
- p->table_window = g_realloc (p->table_window, bytes_pre_corr);
- if (p->use_int) {
+ guint bytes_pre_corr = (st->samples_overlap - st->samples_per_frame) * 4; /* sizeof (gint32|gfloat) */
+ st->buf_pre_corr =
+ g_realloc (st->buf_pre_corr, bytes_pre_corr + UNROLL_PADDING);
+ st->table_window = g_realloc (st->table_window, bytes_pre_corr);
+ if (st->use_int) {
gint64 t = frames_overlap;
gint32 n = 8589934588LL / (t * t); /* 4 * (2^31 - 1) / t^2 */
gint32 *pw;
- memset ((guint8 *) p->buf_pre_corr + bytes_pre_corr, 0, UNROLL_PADDING);
- pw = p->table_window;
+ memset ((guint8 *) st->buf_pre_corr + bytes_pre_corr, 0, UNROLL_PADDING);
+ pw = st->table_window;
for (i = 1; i < frames_overlap; i++) {
gint32 v = (i * (t - i) * n) >> 15;
- for (j = 0; j < p->samples_per_frame; j++) {
+ for (j = 0; j < st->samples_per_frame; j++) {
*pw++ = v;
}
}
- p->best_overlap_offset = best_overlap_offset_s16;
+ st->best_overlap_offset = best_overlap_offset_s16;
} else {
- gfloat *pw = p->table_window;
+ gfloat *pw = st->table_window;
for (i = 1; i < frames_overlap; i++) {
gfloat v = i * (frames_overlap - i);
- for (j = 0; j < p->samples_per_frame; j++) {
+ for (j = 0; j < st->samples_per_frame; j++) {
*pw++ = v;
}
}
- p->best_overlap_offset = best_overlap_offset_float;
+ st->best_overlap_offset = best_overlap_offset_float;
}
}
new_size =
- (p->frames_search + frames_stride + frames_overlap) * p->bytes_per_frame;
- if (p->bytes_queued > new_size) {
- if (p->bytes_to_slide > p->bytes_queued) {
- p->bytes_to_slide -= p->bytes_queued;
- p->bytes_queued = 0;
+ (st->frames_search + frames_stride +
+ frames_overlap) * st->bytes_per_frame;
+ if (st->bytes_queued > new_size) {
+ if (st->bytes_to_slide > st->bytes_queued) {
+ st->bytes_to_slide -= st->bytes_queued;
+ st->bytes_queued = 0;
} else {
- guint new_queued = MIN (p->bytes_queued - p->bytes_to_slide, new_size);
- memmove (p->buf_queue,
- p->buf_queue + p->bytes_queued - new_queued, new_queued);
- p->bytes_to_slide = 0;
- p->bytes_queued = new_queued;
+ guint new_queued = MIN (st->bytes_queued - st->bytes_to_slide, new_size);
+ memmove (st->buf_queue,
+ st->buf_queue + st->bytes_queued - new_queued, new_queued);
+ st->bytes_to_slide = 0;
+ st->bytes_queued = new_queued;
}
}
- p->bytes_queue_max = new_size;
- p->buf_queue = g_realloc (p->buf_queue, p->bytes_queue_max);
+ st->bytes_queue_max = new_size;
+ st->buf_queue = g_realloc (st->buf_queue, st->bytes_queue_max);
latency =
- gst_util_uint64_scale (p->bytes_queue_max, GST_SECOND,
- p->bytes_per_frame * p->sample_rate);
- if (p->latency != latency) {
- p->latency = latency;
- gst_element_post_message (GST_ELEMENT (scaletempo),
- gst_message_new_latency (GST_OBJECT (scaletempo)));
+ gst_util_uint64_scale (st->bytes_queue_max, GST_SECOND,
+ st->bytes_per_frame * st->sample_rate);
+ if (st->latency != latency) {
+ st->latency = latency;
+ gst_element_post_message (GST_ELEMENT (st),
+ gst_message_new_latency (GST_OBJECT (st)));
}
- p->bytes_stride_scaled = p->bytes_stride * p->scale;
- p->frames_stride_scaled = p->bytes_stride_scaled / p->bytes_per_frame;
+ st->bytes_stride_scaled = st->bytes_stride * st->scale;
+ st->frames_stride_scaled = st->bytes_stride_scaled / st->bytes_per_frame;
GST_DEBUG
("%.3f scale, %.3f stride_in, %i stride_out, %i standing, %i overlap, %i search, %i queue, %s mode",
- p->scale, p->frames_stride_scaled,
- (gint) (p->bytes_stride / p->bytes_per_frame),
- (gint) (p->bytes_standing / p->bytes_per_frame),
- (gint) (p->bytes_overlap / p->bytes_per_frame), p->frames_search,
- (gint) (p->bytes_queue_max / p->bytes_per_frame),
- (p->use_int ? "s16" : "float"));
-
- p->reinit_buffers = FALSE;
+ st->scale, st->frames_stride_scaled,
+ (gint) (st->bytes_stride / st->bytes_per_frame),
+ (gint) (st->bytes_standing / st->bytes_per_frame),
+ (gint) (st->bytes_overlap / st->bytes_per_frame), st->frames_search,
+ (gint) (st->bytes_queue_max / st->bytes_per_frame),
+ (st->use_int ? "s16" : "float"));
+
+ st->reinit_buffers = FALSE;
}
gst_scaletempo_transform (GstBaseTransform * trans,
GstBuffer * inbuf, GstBuffer * outbuf)
{
- GstScaletempo *scaletempo = GST_SCALETEMPO (trans);
- GstScaletempoPrivate *p = scaletempo->priv;
+ GstScaletempo *st = GST_SCALETEMPO (trans);
gint8 *pout;
guint offset_in, bytes_out;
GstMapInfo omap;
gst_buffer_map (outbuf, &omap, GST_MAP_WRITE);
pout = (gint8 *) omap.data;
- offset_in = fill_queue (scaletempo, inbuf, 0);
+ offset_in = fill_queue (st, inbuf, 0);
bytes_out = 0;
- while (p->bytes_queued >= p->bytes_queue_max) {
+ while (st->bytes_queued >= st->bytes_queue_max) {
guint bytes_off = 0;
gdouble frames_to_slide;
guint frames_to_stride_whole;
/* output stride */
- if (p->output_overlap) {
- if (p->best_overlap_offset) {
- bytes_off = p->best_overlap_offset (scaletempo);
+ if (st->output_overlap) {
+ if (st->best_overlap_offset) {
+ bytes_off = st->best_overlap_offset (st);
}
- p->output_overlap (scaletempo, pout, bytes_off);
+ st->output_overlap (st, pout, bytes_off);
}
- memcpy (pout + p->bytes_overlap,
- p->buf_queue + bytes_off + p->bytes_overlap, p->bytes_standing);
- pout += p->bytes_stride;
- bytes_out += p->bytes_stride;
+ memcpy (pout + st->bytes_overlap,
+ st->buf_queue + bytes_off + st->bytes_overlap, st->bytes_standing);
+ pout += st->bytes_stride;
+ bytes_out += st->bytes_stride;
/* input stride */
- memcpy (p->buf_overlap,
- p->buf_queue + bytes_off + p->bytes_stride, p->bytes_overlap);
- frames_to_slide = p->frames_stride_scaled + p->frames_stride_error;
+ memcpy (st->buf_overlap,
+ st->buf_queue + bytes_off + st->bytes_stride, st->bytes_overlap);
+ frames_to_slide = st->frames_stride_scaled + st->frames_stride_error;
frames_to_stride_whole = (gint) frames_to_slide;
- p->bytes_to_slide = frames_to_stride_whole * p->bytes_per_frame;
- p->frames_stride_error = frames_to_slide - frames_to_stride_whole;
+ st->bytes_to_slide = frames_to_stride_whole * st->bytes_per_frame;
+ st->frames_stride_error = frames_to_slide - frames_to_stride_whole;
- offset_in += fill_queue (scaletempo, inbuf, offset_in);
+ offset_in += fill_queue (st, inbuf, offset_in);
}
gst_buffer_unmap (outbuf, &omap);
- timestamp = GST_BUFFER_TIMESTAMP (inbuf) - p->segment_start;
- if (timestamp < p->latency)
+ timestamp = GST_BUFFER_TIMESTAMP (inbuf) - st->segment_start;
+ if (timestamp < st->latency)
timestamp = 0;
else
- timestamp -= p->latency;
- GST_BUFFER_TIMESTAMP (outbuf) = timestamp / p->scale + p->segment_start;
+ timestamp -= st->latency;
+ GST_BUFFER_TIMESTAMP (outbuf) = timestamp / st->scale + st->segment_start;
GST_BUFFER_DURATION (outbuf) =
gst_util_uint64_scale (bytes_out, GST_SECOND,
- p->bytes_per_frame * p->sample_rate);
+ st->bytes_per_frame * st->sample_rate);
gst_buffer_set_size (outbuf, bytes_out);
return GST_FLOW_OK;
{
if (direction == GST_PAD_SINK) {
GstScaletempo *scaletempo = GST_SCALETEMPO (trans);
- GstScaletempoPrivate *priv = scaletempo->priv;
gint bytes_to_out;
- if (priv->reinit_buffers)
+ if (scaletempo->reinit_buffers)
reinit_buffers (scaletempo);
- bytes_to_out = size + priv->bytes_queued - priv->bytes_to_slide;
- if (bytes_to_out < (gint) priv->bytes_queue_max) {
+ bytes_to_out = size + scaletempo->bytes_queued - scaletempo->bytes_to_slide;
+ if (bytes_to_out < (gint) scaletempo->bytes_queue_max) {
*othersize = 0;
} else {
/* while (total_buffered - stride_length * n >= queue_max) n++ */
- *othersize = priv->bytes_stride * ((guint) (
- (bytes_to_out - priv->bytes_queue_max +
- /* rounding protection */ priv->bytes_per_frame)
- / priv->bytes_stride_scaled) + 1);
+ *othersize = scaletempo->bytes_stride * ((guint) (
+ (bytes_to_out - scaletempo->bytes_queue_max +
+ /* rounding protection */ scaletempo->bytes_per_frame)
+ / scaletempo->bytes_stride_scaled) + 1);
}
return TRUE;
{
if (GST_EVENT_TYPE (event) == GST_EVENT_SEGMENT) {
GstScaletempo *scaletempo = GST_SCALETEMPO (trans);
- GstScaletempoPrivate *priv = scaletempo->priv;
GstSegment segment;
gst_event_copy_segment (event, &segment);
- if (priv->scale != segment.rate) {
+ if (scaletempo->scale != segment.rate) {
if (ABS (segment.rate - 1.0) < 1e-10) {
- priv->scale = 1.0;
+ scaletempo->scale = 1.0;
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (scaletempo),
TRUE);
} else {
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (scaletempo),
FALSE);
- priv->scale = segment.rate;
- priv->bytes_stride_scaled = priv->bytes_stride * priv->scale;
- priv->frames_stride_scaled =
- priv->bytes_stride_scaled / priv->bytes_per_frame;
- GST_DEBUG ("%.3f scale, %.3f stride_in, %i stride_out", priv->scale,
- priv->frames_stride_scaled,
- (gint) (priv->bytes_stride / priv->bytes_per_frame));
-
- priv->bytes_to_slide = 0;
+ scaletempo->scale = segment.rate;
+ scaletempo->bytes_stride_scaled =
+ scaletempo->bytes_stride * scaletempo->scale;
+ scaletempo->frames_stride_scaled =
+ scaletempo->bytes_stride_scaled / scaletempo->bytes_per_frame;
+ GST_DEBUG ("%.3f scale, %.3f stride_in, %i stride_out",
+ scaletempo->scale, scaletempo->frames_stride_scaled,
+ (gint) (scaletempo->bytes_stride / scaletempo->bytes_per_frame));
+
+ scaletempo->bytes_to_slide = 0;
}
}
- if (priv->scale != 1.0) {
- priv->segment_start = segment.start;
- segment.applied_rate = priv->scale;
+ if (scaletempo->scale != 1.0) {
+ scaletempo->segment_start = segment.start;
+ segment.applied_rate = scaletempo->scale;
segment.rate = 1.0;
gst_event_unref (event);
GstCaps * incaps, GstCaps * outcaps)
{
GstScaletempo *scaletempo = GST_SCALETEMPO (trans);
- GstScaletempoPrivate *priv = scaletempo->priv;
gint width, bps, nch, rate;
gboolean use_int;
GST_DEBUG ("caps: %" GST_PTR_FORMAT ", %d bps", incaps, bps);
- if (rate != priv->sample_rate
- || nch != priv->samples_per_frame
- || bps != priv->bytes_per_sample || use_int != priv->use_int) {
- priv->sample_rate = rate;
- priv->samples_per_frame = nch;
- priv->bytes_per_sample = bps;
- priv->bytes_per_frame = nch * bps;
- priv->use_int = use_int;
- priv->reinit_buffers = TRUE;
+ if (rate != scaletempo->sample_rate
+ || nch != scaletempo->samples_per_frame
+ || bps != scaletempo->bytes_per_sample
+ || use_int != scaletempo->use_int) {
+ scaletempo->sample_rate = rate;
+ scaletempo->samples_per_frame = nch;
+ scaletempo->bytes_per_sample = bps;
+ scaletempo->bytes_per_frame = nch * bps;
+ scaletempo->use_int = use_int;
+ scaletempo->reinit_buffers = TRUE;
}
return TRUE;
GstQuery * query)
{
GstScaletempo *scaletempo = GST_SCALETEMPO (trans);
- GstScaletempoPrivate *p = scaletempo->priv;
if (direction == GST_PAD_SRC) {
switch (GST_QUERY_TYPE (query)) {
/* add our own latency */
GST_DEBUG_OBJECT (scaletempo, "Our latency: %" GST_TIME_FORMAT,
- GST_TIME_ARGS (p->latency));
- min += p->latency;
+ GST_TIME_ARGS (scaletempo->latency));
+ min += scaletempo->latency;
if (max != GST_CLOCK_TIME_NONE)
- max += p->latency;
+ max += scaletempo->latency;
GST_DEBUG_OBJECT (scaletempo, "Calculated total latency : min %"
GST_TIME_FORMAT " max %" GST_TIME_FORMAT,
guint prop_id, GValue * value, GParamSpec * pspec)
{
GstScaletempo *scaletempo = GST_SCALETEMPO (object);
- GstScaletempoPrivate *priv = scaletempo->priv;
switch (prop_id) {
case PROP_RATE:
- g_value_set_double (value, priv->scale);
+ g_value_set_double (value, scaletempo->scale);
break;
case PROP_STRIDE:
- g_value_set_uint (value, priv->ms_stride);
+ g_value_set_uint (value, scaletempo->ms_stride);
break;
case PROP_OVERLAP:
- g_value_set_double (value, priv->percent_overlap);
+ g_value_set_double (value, scaletempo->percent_overlap);
break;
case PROP_SEARCH:
- g_value_set_uint (value, priv->ms_search);
+ g_value_set_uint (value, scaletempo->ms_search);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstScaletempo *scaletempo = GST_SCALETEMPO (object);
- GstScaletempoPrivate *priv = scaletempo->priv;
switch (prop_id) {
case PROP_STRIDE:{
guint new_value = g_value_get_uint (value);
- if (priv->ms_stride != new_value) {
- priv->ms_stride = new_value;
- priv->reinit_buffers = TRUE;
+ if (scaletempo->ms_stride != new_value) {
+ scaletempo->ms_stride = new_value;
+ scaletempo->reinit_buffers = TRUE;
}
break;
}
case PROP_OVERLAP:{
gdouble new_value = g_value_get_double (value);
- if (priv->percent_overlap != new_value) {
- priv->percent_overlap = new_value;
- priv->reinit_buffers = TRUE;
+ if (scaletempo->percent_overlap != new_value) {
+ scaletempo->percent_overlap = new_value;
+ scaletempo->reinit_buffers = TRUE;
}
break;
}
case PROP_SEARCH:{
guint new_value = g_value_get_uint (value);
- if (priv->ms_search != new_value) {
- priv->ms_search = new_value;
- priv->reinit_buffers = TRUE;
+ if (scaletempo->ms_search != new_value) {
+ scaletempo->ms_search = new_value;
+ scaletempo->reinit_buffers = TRUE;
}
break;
}
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
GstBaseTransformClass *basetransform_class = GST_BASE_TRANSFORM_CLASS (klass);
- g_type_class_add_private (klass, sizeof (GstScaletempoPrivate));
-
gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_scaletempo_get_property);
gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_scaletempo_set_property);
static void
gst_scaletempo_init (GstScaletempo * scaletempo)
{
- GstScaletempoPrivate *priv;
-
- scaletempo->priv = priv = GST_SCALETEMPO_GET_PRIVATE (scaletempo);
-
/* defaults */
- priv->ms_stride = 30;
- priv->percent_overlap = .2;
- priv->ms_search = 14;
+ scaletempo->ms_stride = 30;
+ scaletempo->percent_overlap = .2;
+ scaletempo->ms_search = 14;
/* uninitialized */
- priv->scale = 0;
- priv->sample_rate = 0;
- priv->frames_stride_error = 0;
- priv->bytes_stride = 0;
- priv->bytes_queued = 0;
- priv->bytes_to_slide = 0;
- priv->segment_start = 0;
+ scaletempo->scale = 0;
+ scaletempo->sample_rate = 0;
+ scaletempo->frames_stride_error = 0;
+ scaletempo->bytes_stride = 0;
+ scaletempo->bytes_queued = 0;
+ scaletempo->bytes_to_slide = 0;
+ scaletempo->segment_start = 0;
}
projects / platform / upstream / gst-plugins-good.git / commitdiff