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scaletempo: port to 0.11
This commit is contained in:
Mark Nauwelaerts
Tim-Philipp Müller
parent
62d780cd51
commit
3286cdd542
1 changed files with 60 additions and 77 deletions
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@ -68,6 +68,7 @@
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#include <gst/gst.h>
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#include <gst/base/gstbasetransform.h>
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#include <gst/audio/audio.h>
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#include <string.h> /* for memset */
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#include "gstscaletempo.h"
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@ -92,18 +93,8 @@ enum
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#define SUPPORTED_CAPS \
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GST_STATIC_CAPS ( \
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"audio/x-raw-float, " \
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"rate = (int) [ 1, MAX ], " \
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"channels = (int) [ 1, MAX ], " \
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"endianness = (int) BYTE_ORDER, " \
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"width = (int) 32;" \
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"audio/x-raw-int, " \
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"rate = (int) [ 1, MAX ], " \
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"channels = (int) [ 1, MAX ], " \
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"endianness = (int) BYTE_ORDER, " \
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"width = (int) 16, " \
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"depth = (int) 16, " \
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"signed = (boolean) true;" \
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GST_AUDIO_CAPS_MAKE (GST_AUDIO_NE (F32)) "; " \
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GST_AUDIO_CAPS_MAKE (GST_AUDIO_NE (S16)) \
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)
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static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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@ -118,8 +109,9 @@ static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
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#define DEBUG_INIT(bla) GST_DEBUG_CATEGORY_INIT (gst_scaletempo_debug, "scaletempo", 0, "scaletempo element");
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GST_BOILERPLATE_FULL (GstScaletempo, gst_scaletempo, GstBaseTransform,
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GST_TYPE_BASE_TRANSFORM, DEBUG_INIT);
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#define gst_scaletempo_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstScaletempo, gst_scaletempo,
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GST_TYPE_BASE_TRANSFORM, DEBUG_INIT (0));
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typedef struct _GstScaletempoPrivate
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{
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@ -282,9 +274,11 @@ static guint
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fill_queue (GstScaletempo * scaletempo, GstBuffer * buf_in, guint offset)
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{
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GstScaletempoPrivate *p = GST_SCALETEMPO_GET_PRIVATE (scaletempo);
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guint bytes_in = GST_BUFFER_SIZE (buf_in) - offset;
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guint bytes_in = gst_buffer_get_size (buf_in) - offset;
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guint offset_unchanged = offset;
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GstMapInfo map;
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gst_buffer_map (buf_in, &map, GST_MAP_READ);
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if (p->bytes_to_slide > 0) {
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if (p->bytes_to_slide < p->bytes_queued) {
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guint bytes_in_move = p->bytes_queued - p->bytes_to_slide;
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@ -304,11 +298,11 @@ fill_queue (GstScaletempo * scaletempo, GstBuffer * buf_in, guint offset)
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if (bytes_in > 0) {
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guint bytes_in_copy = MIN (p->bytes_queue_max - p->bytes_queued, bytes_in);
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memcpy (p->buf_queue + p->bytes_queued,
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GST_BUFFER_DATA (buf_in) + offset, bytes_in_copy);
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memcpy (p->buf_queue + p->bytes_queued, map.data + offset, bytes_in_copy);
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p->bytes_queued += bytes_in_copy;
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offset += bytes_in_copy;
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}
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gst_buffer_unmap (buf_in, &map);
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return offset - offset_unchanged;
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}
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@ -443,10 +437,14 @@ gst_scaletempo_transform (GstBaseTransform * trans,
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{
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GstScaletempo *scaletempo = GST_SCALETEMPO (trans);
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GstScaletempoPrivate *p = GST_SCALETEMPO_GET_PRIVATE (scaletempo);
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gint8 *pout;
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guint offset_in, bytes_out;
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GstMapInfo omap;
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gint8 *pout = (gint8 *) GST_BUFFER_DATA (outbuf);
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guint offset_in = fill_queue (scaletempo, inbuf, 0);
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guint bytes_out = 0;
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gst_buffer_map (outbuf, &omap, GST_MAP_WRITE);
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pout = (gint8 *) omap.data;
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offset_in = fill_queue (scaletempo, inbuf, 0);
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bytes_out = 0;
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while (p->bytes_queued >= p->bytes_queue_max) {
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guint bytes_off = 0;
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gdouble frames_to_slide;
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@ -475,7 +473,9 @@ gst_scaletempo_transform (GstBaseTransform * trans,
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offset_in += fill_queue (scaletempo, inbuf, offset_in);
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}
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GST_BUFFER_SIZE (outbuf) = bytes_out;
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gst_buffer_unmap (outbuf, &omap);
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gst_buffer_set_size (outbuf, bytes_out);
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GST_BUFFER_TIMESTAMP (outbuf) =
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(GST_BUFFER_TIMESTAMP (outbuf) - p->segment_start) / p->scale +
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p->segment_start;
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@ -486,7 +486,7 @@ gst_scaletempo_transform (GstBaseTransform * trans,
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static gboolean
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gst_scaletempo_transform_size (GstBaseTransform * trans,
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GstPadDirection direction,
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GstCaps * caps, guint size, GstCaps * othercaps, guint * othersize)
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GstCaps * caps, gsize size, GstCaps * othercaps, gsize * othersize)
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{
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if (direction == GST_PAD_SINK) {
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GstScaletempo *scaletempo = GST_SCALETEMPO (trans);
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@ -515,27 +515,22 @@ gst_scaletempo_transform_size (GstBaseTransform * trans,
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static gboolean
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gst_scaletempo_sink_event (GstBaseTransform * trans, GstEvent * event)
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{
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if (GST_EVENT_TYPE (event) == GST_EVENT_NEWSEGMENT) {
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if (GST_EVENT_TYPE (event) == GST_EVENT_SEGMENT) {
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GstScaletempo *scaletempo = GST_SCALETEMPO (trans);
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GstScaletempoPrivate *priv = GST_SCALETEMPO_GET_PRIVATE (scaletempo);
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GstSegment segment;
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gboolean update;
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gdouble rate, applied_rate;
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GstFormat format;
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gint64 start, stop, position;
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gst_event_copy_segment (event, &segment);
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gst_event_parse_new_segment_full (event, &update, &rate, &applied_rate,
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&format, &start, &stop, &position);
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if (priv->scale != rate) {
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if (ABS (rate - 1.0) < 1e-10) {
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if (priv->scale != segment.rate) {
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if (ABS (segment.rate - 1.0) < 1e-10) {
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priv->scale = 1.0;
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gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (scaletempo),
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TRUE);
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} else {
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gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (scaletempo),
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FALSE);
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priv->scale = rate;
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priv->scale = segment.rate;
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priv->bytes_stride_scaled = priv->bytes_stride * priv->scale;
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priv->frames_stride_scaled =
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priv->bytes_stride_scaled / priv->bytes_per_frame;
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@ -548,22 +543,22 @@ gst_scaletempo_sink_event (GstBaseTransform * trans, GstEvent * event)
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}
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if (priv->scale != 1.0) {
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priv->segment_start = start;
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applied_rate = priv->scale;
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rate = 1.0;
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priv->segment_start = segment.start;
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segment.applied_rate = priv->scale;
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segment.rate = 1.0;
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//gst_event_unref (event);
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if (stop != -1) {
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stop = (stop - start) / applied_rate + start;
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if (segment.stop != -1) {
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segment.stop = (segment.stop - segment.start) / segment.applied_rate +
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segment.start;
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}
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event = gst_event_new_new_segment_full (update, rate, applied_rate,
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format, start, stop, position);
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event = gst_event_new_segment (&segment);
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gst_pad_push_event (GST_BASE_TRANSFORM_SRC_PAD (trans), event);
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return FALSE;
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return TRUE;
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}
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}
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return parent_class->event (trans, event);
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return GST_BASE_TRANSFORM_CLASS (parent_class)->sink_event (trans, event);
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}
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static gboolean
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@ -572,29 +567,22 @@ gst_scaletempo_set_caps (GstBaseTransform * trans,
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{
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GstScaletempo *scaletempo = GST_SCALETEMPO (trans);
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GstScaletempoPrivate *priv = GST_SCALETEMPO_GET_PRIVATE (scaletempo);
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GstStructure *s = gst_caps_get_structure (incaps, 0);
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gint width, bps, nch, rate;
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gboolean use_int;
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const gchar *type = gst_structure_get_name (s);
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if (g_str_equal (type, "audio/x-raw-int")) {
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use_int = TRUE;
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gst_structure_get_int (s, "depth", &width);
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} else if (g_str_equal (type, "audio/x-raw-float")) {
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use_int = FALSE;
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gst_structure_get_int (s, "width", &width);
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} else {
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GstAudioInfo info;
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if (!gst_audio_info_from_caps (&info, incaps))
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return FALSE;
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}
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nch = GST_AUDIO_INFO_CHANNELS (&info);
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rate = GST_AUDIO_INFO_RATE (&info);
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width = GST_AUDIO_INFO_WIDTH (&info);
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use_int = GST_AUDIO_INFO_IS_INTEGER (&info);
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bps = width / 8;
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gst_structure_get_int (s, "channels", &nch);
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gst_structure_get_int (s, "rate", &rate);
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GST_DEBUG ("caps: %s seek, "
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"%5" G_GUINT32_FORMAT " rate, "
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"%2" G_GUINT32_FORMAT " nch, "
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"%2" G_GUINT32_FORMAT " bps", type, rate, nch, bps);
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GST_DEBUG ("caps: %" GST_PTR_FORMAT ", %d bps", incaps, bps);
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if (rate != priv->sample_rate
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|| nch != priv->samples_per_frame
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@ -676,26 +664,11 @@ gst_scaletempo_set_property (GObject * object,
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}
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}
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static void
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gst_scaletempo_base_init (gpointer klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&src_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&sink_template));
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gst_element_class_set_details_simple (element_class, "Scaletempo",
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"Filter/Effect/Rate",
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"Sync audio tempo with playback rate",
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"Rov Juvano <rovjuvano@users.sourceforge.net>");
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}
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static void
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gst_scaletempo_class_init (GstScaletempoClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
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GstBaseTransformClass *basetransform_class = GST_BASE_TRANSFORM_CLASS (klass);
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g_type_class_add_private (klass, sizeof (GstScaletempoPrivate));
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@ -722,7 +695,17 @@ gst_scaletempo_class_init (GstScaletempoClass * klass)
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"Length in milliseconds to search for best overlap position", 0, 500,
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14, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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basetransform_class->event = GST_DEBUG_FUNCPTR (gst_scaletempo_sink_event);
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&src_template));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&sink_template));
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gst_element_class_set_details_simple (gstelement_class, "Scaletempo",
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"Filter/Effect/Rate",
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"Sync audio tempo with playback rate",
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"Rov Juvano <rovjuvano@users.sourceforge.net>");
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basetransform_class->sink_event =
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GST_DEBUG_FUNCPTR (gst_scaletempo_sink_event);
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basetransform_class->set_caps = GST_DEBUG_FUNCPTR (gst_scaletempo_set_caps);
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basetransform_class->transform_size =
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GST_DEBUG_FUNCPTR (gst_scaletempo_transform_size);
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@ -730,7 +713,7 @@ gst_scaletempo_class_init (GstScaletempoClass * klass)
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}
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static void
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gst_scaletempo_init (GstScaletempo * scaletempo, GstScaletempoClass * klass)
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gst_scaletempo_init (GstScaletempo * scaletempo)
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{
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GstScaletempoPrivate *priv = GST_SCALETEMPO_GET_PRIVATE (scaletempo);
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/* defaults */
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