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ext/cdparanoia/gstcdparanoiasrc.*: Add back 'transport-error' and 'uncorrected-error' signals and make them actually ...
Original commit message from CVS: * ext/cdparanoia/gstcdparanoiasrc.c: (gst_cd_paranoia_src_class_init), (gst_cd_paranoia_dummy_callback), (gst_cd_paranoia_paranoia_callback), (gst_cd_paranoia_src_signal_is_being_watched), (gst_cd_paranoia_src_read_sector): * ext/cdparanoia/gstcdparanoiasrc.h: Add back 'transport-error' and 'uncorrected-error' signals and make them actually be fired when bad stuff happens (#319340).
This commit is contained in:
Tim-Philipp Müller
parent
3451a81879
commit
43db7b6e18
3 changed files with 106 additions and 4 deletions
11
ChangeLog
11
ChangeLog
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@ -1,3 +1,14 @@
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2006-02-17 Tim-Philipp Müller <tim at centricular dot net>
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* ext/cdparanoia/gstcdparanoiasrc.c:
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(gst_cd_paranoia_src_class_init), (gst_cd_paranoia_dummy_callback),
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(gst_cd_paranoia_paranoia_callback),
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(gst_cd_paranoia_src_signal_is_being_watched),
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(gst_cd_paranoia_src_read_sector):
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* ext/cdparanoia/gstcdparanoiasrc.h:
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Add back 'transport-error' and 'uncorrected-error' signals and
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make them actually be fired when bad stuff happens (#319340).
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2006-02-17 Wim Taymans <wim@fluendo.com>
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* gst-libs/gst/audio/gstringbuffer.c: (gst_ring_buffer_get_type),
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@ -30,6 +30,13 @@
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#include "gstcdparanoiasrc.h"
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#include "gst/gst-i18n-plugin.h"
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enum
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{
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TRANSPORT_ERROR,
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UNCORRECTED_ERROR,
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NUM_SIGNALS
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};
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enum
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{
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PROP_0,
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@ -68,6 +75,15 @@ static GstElementDetails cdparanoia_details = {
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"Erik Walthinsen <omega@cse.ogi.edu>, " "Wim Taymans <wim@fluendo.com>"
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};
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/* We use these to serialize calls to paranoia_read() among several
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* cdparanoiasrc instances. We do this because it's the only reasonably
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* easy way to find out the calling object from within the paranoia
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* callback, and we need the object instance in there to emit our signals */
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static GstCdParanoiaSrc *cur_cb_source;
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static GStaticMutex cur_cb_mutex = G_STATIC_MUTEX_INIT;
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static gint cdpsrc_signals[NUM_SIGNALS]; /* all 0 */
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#define GST_TYPE_CD_PARANOIA_MODE (gst_cd_paranoia_mode_get_type())
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static GType
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gst_cd_paranoia_mode_get_type (void)
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@ -142,6 +158,19 @@ gst_cd_paranoia_src_class_init (GstCdParanoiaSrcClass * klass)
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g_param_spec_int ("search-overlap", "Search overlap",
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"Force minimum overlap search during verification to n sectors", -1,
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75, DEFAULT_SEARCH_OVERLAP, G_PARAM_READWRITE));
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/* FIXME: we don't really want signals for this, but messages on the bus,
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* but then we can't check any longer whether anyone is interested in them */
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cdpsrc_signals[TRANSPORT_ERROR] =
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g_signal_new ("transport-error", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstCdParanoiaSrcClass, transport_error),
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NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
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cdpsrc_signals[UNCORRECTED_ERROR] =
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g_signal_new ("uncorrected-error", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstCdParanoiaSrcClass, uncorrected_error),
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NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
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}
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static gboolean
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@ -246,12 +275,36 @@ gst_cd_paranoia_src_close (GstCddaBaseSrc * cddabasesrc)
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src->next_sector = -1;
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}
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static void
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gst_cd_paranoia_dummy_callback (long inpos, int function)
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{
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/* Used by instanced where no one is interested what's happening here */
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}
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static void
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gst_cd_paranoia_paranoia_callback (long inpos, int function)
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{
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/* There is not much we can do here (not without a lot of trickery
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* at least), since we don't have a pointer to our own element or at
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* least the cdparanoia object */
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GstCdParanoiaSrc *src = cur_cb_source;
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gint sector = (gint) (inpos / CD_FRAMEWORDS);
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switch (function) {
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case PARANOIA_CB_SKIP:
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GST_INFO_OBJECT (src, "Skip at sector %d", sector);
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g_signal_emit (src, cdpsrc_signals[UNCORRECTED_ERROR], 0, sector);
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break;
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case PARANOIA_CB_READERR:
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GST_INFO_OBJECT (src, "Transport error at sector %d", sector);
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g_signal_emit (src, cdpsrc_signals[TRANSPORT_ERROR], 0, sector);
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break;
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default:
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break;
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}
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}
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static gboolean
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gst_cd_paranoia_src_signal_is_being_watched (GstCdParanoiaSrc * src, gint sig)
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{
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return g_signal_has_handler_pending (src, cdpsrc_signals[sig], 0, FALSE);
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}
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static GstBuffer *
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@ -259,6 +312,7 @@ gst_cd_paranoia_src_read_sector (GstCddaBaseSrc * cddabasesrc, gint sector)
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{
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GstCdParanoiaSrc *src = GST_CD_PARANOIA_SRC (cddabasesrc);
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GstBuffer *buf;
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gboolean do_serialize;
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gint16 *cdda_buf;
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#if 0
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@ -285,7 +339,24 @@ gst_cd_paranoia_src_read_sector (GstCddaBaseSrc * cddabasesrc, gint sector)
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src->next_sector = sector;
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}
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cdda_buf = paranoia_read (src->p, gst_cd_paranoia_paranoia_callback);
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do_serialize =
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gst_cd_paranoia_src_signal_is_being_watched (src, TRANSPORT_ERROR) ||
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gst_cd_paranoia_src_signal_is_being_watched (src, UNCORRECTED_ERROR);
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if (do_serialize) {
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GST_LOG_OBJECT (src, "Signal handlers connected, serialising access");
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g_static_mutex_lock (&cur_cb_mutex);
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GST_LOG_OBJECT (src, "Got lock");
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cur_cb_source = src;
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cdda_buf = paranoia_read (src->p, gst_cd_paranoia_paranoia_callback);
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cur_cb_source = NULL;
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GST_LOG_OBJECT (src, "Releasing lock");
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g_static_mutex_unlock (&cur_cb_mutex);
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} else {
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cdda_buf = paranoia_read (src->p, gst_cd_paranoia_dummy_callback);
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}
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if (cdda_buf == NULL) {
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GST_WARNING_OBJECT (src, "read at sector %d failed!", sector);
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@ -64,6 +64,26 @@ struct _GstCdParanoiaSrc {
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struct _GstCdParanoiaSrcClass {
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GstCddaBaseSrcClass parent_class;
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/* signal callbacks */
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/**
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* GstCdParanoiaSrcClass::transport-error:
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* @src: the GstCddaBaseSrc source element object
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* @sector: the sector at which the error happened
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*
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* This signal is emitted when a sector could not be read
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* because of a transport error.
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*/
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void (*transport_error) (GstCdParanoiaSrc * src, gint sector);
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/**
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* GstCdParanoiaSrcClass::uncorrected-error:
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* @src: the GstCddaBaseSrc source element object
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* @sector: the sector at which the error happened
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*
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* This signal is emitted when a sector could not be read
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* because of a transport error.
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*/
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void (*uncorrected_error) (GstCdParanoiaSrc * src, gint sector);
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};
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GType gst_cd_paranoia_src_get_type (void);
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