mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-10-04 09:42:19 +00:00
sndfile: rewrite sndfile for 1.0
Add a sfdec for a start. Instead of a source plugin, this is a demuxer/decoder combination. This makes it work with auto-plugging.
This commit is contained in:
parent
6348113777
commit
5f89bee749
6 changed files with 603 additions and 81 deletions
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@ -346,7 +346,7 @@ GST_PLUGINS_NONPORTED=" cdxaparse \
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linsys vcd \
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linsys vcd \
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apexsink dc1394 \
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apexsink dc1394 \
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gsettings \
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gsettings \
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musepack nas sdl sndfile timidity \
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musepack nas sdl timidity \
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directdraw acm wininet \
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directdraw acm wininet \
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xvid lv2 teletextdec sndio osx_video quicktime"
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xvid lv2 teletextdec sndio osx_video quicktime"
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AC_SUBST(GST_PLUGINS_NONPORTED)
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AC_SUBST(GST_PLUGINS_NONPORTED)
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@ -1952,7 +1952,7 @@ AG_GST_CHECK_FEATURE(SMOOTHSTREAMING, [Smooth Streaming plug-in], smoothstreamin
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dnl *** sndfile ***
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dnl *** sndfile ***
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translit(dnm, m, l) AM_CONDITIONAL(USE_SNDFILE, true)
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translit(dnm, m, l) AM_CONDITIONAL(USE_SNDFILE, true)
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AG_GST_CHECK_FEATURE(SNDFILE, [sndfile plug-in], sfsrc sfsink, [
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AG_GST_CHECK_FEATURE(SNDFILE, [sndfile plug-in], sfdec sfenc, [
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PKG_CHECK_MODULES(SNDFILE, sndfile >= 1.0.16, HAVE_SNDFILE="yes", HAVE_SNDFILE="no")
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PKG_CHECK_MODULES(SNDFILE, sndfile >= 1.0.16, HAVE_SNDFILE="yes", HAVE_SNDFILE="no")
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AC_SUBST(SNDFILE_CFLAGS)
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AC_SUBST(SNDFILE_CFLAGS)
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AC_SUBST(SNDFILE_LIBS)
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AC_SUBST(SNDFILE_LIBS)
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@ -1,10 +1,9 @@
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plugin_LTLIBRARIES = libgstsndfile.la
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plugin_LTLIBRARIES = libgstsndfile.la
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libgstsndfile_la_SOURCES = gstsf.c gstsfsrc.c gstsfsink.c
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libgstsndfile_la_SOURCES = gstsf.c gstsfdec.c
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libgstsndfile_la_CFLAGS = $(GST_PLUGINS_BAD_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS) $(SNDFILE_CFLAGS)
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libgstsndfile_la_CFLAGS = $(GST_PLUGINS_BAD_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS) $(SNDFILE_CFLAGS)
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libgstsndfile_la_LIBADD = $(GST_BASE_LIBS) $(GST_LIBS) $(SNDFILE_LIBS)
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libgstsndfile_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) $(GST_LIBS) $(SNDFILE_LIBS)
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libgstsndfile_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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libgstsndfile_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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libgstsndfile_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS)
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libgstsndfile_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS)
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noinst_HEADERS = gstsf.h gstsfsrc.h gstsfsink.h
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noinst_HEADERS = gstsf.h gstsfdec.h
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@ -27,79 +27,86 @@
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#include "gstsf.h"
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#include "gstsf.h"
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/* sf formats */
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GType
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GstCaps *
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gst_sf_major_types_get_type (void)
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gst_sf_create_audio_template_caps (void)
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{
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{
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static GType sf_major_types_type = 0;
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GstCaps *caps = gst_caps_new_empty ();
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static GEnumValue *sf_major_types = NULL;
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SF_FORMAT_INFO format_info;
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const gchar *fmt;
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gint k, count;
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if (!sf_major_types_type) {
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sf_command (NULL, SFC_GET_FORMAT_MAJOR_COUNT, &count, sizeof (gint));
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SF_FORMAT_INFO format_info;
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int k, count;
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sf_command (NULL, SFC_GET_FORMAT_MAJOR_COUNT, &count, sizeof (int));
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for (k = 0; k < count; k++) {
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format_info.format = k;
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sf_command (NULL, SFC_GET_FORMAT_MAJOR, &format_info, sizeof (format_info));
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sf_major_types = g_new0 (GEnumValue, count + 1);
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switch (format_info.format) {
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case SF_FORMAT_AIFF: /* Apple/SGI AIFF format */
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for (k = 0; k < count; k++) {
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fmt = "audio/x-aiff";
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format_info.format = k;
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break;
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sf_command (NULL, SFC_GET_FORMAT_MAJOR, &format_info,
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case SF_FORMAT_AU: /* Sun/NeXT AU format */
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sizeof (format_info));
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fmt = "audio/x-au";
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sf_major_types[k].value = format_info.format;
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break;
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sf_major_types[k].value_name = g_strdup (format_info.name);
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case SF_FORMAT_FLAC: /* FLAC lossless file format */
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sf_major_types[k].value_nick = g_strdup (format_info.extension);
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fmt = "audio/x-flac";
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break;
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/* Irritatingly enough, there exist major_types with the same extension. Let's
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case SF_FORMAT_IRCAM: /* Berkeley/IRCAM/CARL */
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just hope that sndfile gives us the list in alphabetical order, as it
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fmt = "audio/x-ircam";
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currently does. */
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break;
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if (k > 0
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case SF_FORMAT_NIST: /* Sphere NIST format. */
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&& strcmp (sf_major_types[k].value_nick,
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fmt = "audio/x-nist";
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sf_major_types[k - 1].value_nick) == 0) {
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break;
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g_free ((gchar *) sf_major_types[k].value_nick);
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case SF_FORMAT_OGG: /* Xiph OGG container */
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sf_major_types[k].value_nick =
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fmt = "audio/ogg";
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g_strconcat (sf_major_types[k - 1].value_nick, "-",
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break;
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sf_major_types[k].value_name, NULL);
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case SF_FORMAT_PAF: /* Ensoniq PARIS file format. */
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g_strcanon ((gchar *) sf_major_types[k].value_nick,
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fmt = "audio/x-paris";
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G_CSET_A_2_Z G_CSET_a_2_z G_CSET_DIGITS "-", '-');
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break;
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}
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case SF_FORMAT_RAW: /* RAW PCM data. */
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fmt = "audio/x-raw";
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break;
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case SF_FORMAT_SDS: /* Midi Sample Dump Standard */
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fmt = "audio/x-sds";
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break;
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case SF_FORMAT_SVX: /* Amiga IFF / SVX8 / SV16 format. */
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fmt = "audio/x-svx";
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break;
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case SF_FORMAT_VOC: /* VOC files. */
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fmt = "audio/x-voc";
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break;
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case SF_FORMAT_WAV: /* Microsoft WAV format */
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case SF_FORMAT_WAVEX: /* MS WAVE with WAVEFORMATEX */
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fmt = "audio/x-wav";
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break;
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case SF_FORMAT_W64: /* Sonic Foundry's 64 bit RIFF/WAV */
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fmt = "audio/x-w64";
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break;
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case SF_FORMAT_XI: /* Fasttracker 2 Extended Instrument */
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fmt = "audio/x-xi";
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break;
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case SF_FORMAT_RF64: /* RF64 WAV file */
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case SF_FORMAT_MAT4: /* Matlab (tm) V4.2 / GNU Octave 2.0 */
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case SF_FORMAT_MAT5: /* Matlab (tm) V5.0 / GNU Octave 2.1 */
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case SF_FORMAT_PVF: /* Portable Voice Format */
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case SF_FORMAT_HTK: /* HMM Tool Kit format */
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case SF_FORMAT_AVR: /* Audio Visual Research */
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case SF_FORMAT_SD2: /* Sound Designer 2 */
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case SF_FORMAT_CAF: /* Core Audio File format */
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case SF_FORMAT_WVE: /* Psion WVE format */
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case SF_FORMAT_MPC2K: /* Akai MPC 2000 sampler */
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default:
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fmt = NULL;
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GST_WARNING ("format 0x%x: '%s' is not mapped", format_info.format,
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format_info.name);
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}
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}
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if (fmt != NULL) {
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sf_major_types_type =
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gst_caps_append_structure (caps, gst_structure_new_empty (fmt));
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g_enum_register_static ("GstSndfileMajorTypes", sf_major_types);
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}
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return sf_major_types_type;
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}
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GType
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gst_sf_minor_types_get_type (void)
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{
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static GType sf_minor_types_type = 0;
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static GEnumValue *sf_minor_types = NULL;
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if (!sf_minor_types_type) {
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SF_FORMAT_INFO format_info;
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int k, count;
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sf_command (NULL, SFC_GET_FORMAT_SUBTYPE_COUNT, &count, sizeof (int));
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sf_minor_types = g_new0 (GEnumValue, count + 1);
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for (k = 0; k < count; k++) {
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format_info.format = k;
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sf_command (NULL, SFC_GET_FORMAT_SUBTYPE, &format_info,
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sizeof (format_info));
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sf_minor_types[k].value = format_info.format;
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sf_minor_types[k].value_name = g_strdup (format_info.name);
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sf_minor_types[k].value_nick = g_ascii_strdown (format_info.name, -1);
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g_strcanon ((gchar *) sf_minor_types[k].value_nick,
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G_CSET_a_2_z G_CSET_DIGITS "-", '-');
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}
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}
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sf_minor_types_type =
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g_enum_register_static ("GstSndfileMinorTypes", sf_minor_types);
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}
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}
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return sf_minor_types_type;
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return gst_caps_simplify (caps);
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}
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}
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static gboolean
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static gboolean
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@ -112,12 +119,8 @@ plugin_init (GstPlugin * plugin)
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bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
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bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
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#endif /* ENABLE_NLS */
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#endif /* ENABLE_NLS */
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if (!gst_element_register (plugin, "sfsink", GST_RANK_NONE,
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if (!gst_element_register (plugin, "sfdec", GST_RANK_MARGINAL,
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gst_sf_sink_get_type ()))
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gst_sf_dec_get_type ()))
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return FALSE;
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if (!gst_element_register (plugin, "sfsrc", GST_RANK_NONE,
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gst_sf_src_get_type ()))
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return FALSE;
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return FALSE;
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return TRUE;
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return TRUE;
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@ -126,5 +129,5 @@ plugin_init (GstPlugin * plugin)
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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GST_VERSION_MINOR,
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sndfile,
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sndfile,
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"use libsndfile to read and write audio from and to files",
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"use libsndfile to read and write various audio formats",
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plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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@ -28,6 +28,7 @@
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G_BEGIN_DECLS
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G_BEGIN_DECLS
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GstCaps *gst_sf_create_audio_template_caps (void);
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#define GST_TYPE_SF_MAJOR_TYPES (gst_sf_major_types_get_type())
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#define GST_TYPE_SF_MAJOR_TYPES (gst_sf_major_types_get_type())
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#define GST_TYPE_SF_MINOR_TYPES (gst_sf_minor_types_get_type())
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#define GST_TYPE_SF_MINOR_TYPES (gst_sf_minor_types_get_type())
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@ -35,9 +36,7 @@ G_BEGIN_DECLS
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GType gst_sf_major_types_get_type (void);
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GType gst_sf_major_types_get_type (void);
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GType gst_sf_minor_types_get_type (void);
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GType gst_sf_minor_types_get_type (void);
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GType gst_sf_sink_get_type (void);
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GType gst_sf_dec_get_type (void);
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GType gst_sf_src_get_type (void);
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G_END_DECLS
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G_END_DECLS
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448
ext/sndfile/gstsfdec.c
Normal file
448
ext/sndfile/gstsfdec.c
Normal file
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@ -0,0 +1,448 @@
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/* GStreamer libsndfile plugin
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* Copyright (C) 2013 Stefan Sauer <ensonic@users.sf.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with self library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <gst/gst-i18n-plugin.h>
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#include "gstsfdec.h"
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#include <gst/audio/audio.h>
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enum
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{
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PROP_0,
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PROP_LOCATION
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};
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#define FORMATS \
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"{ "GST_AUDIO_NE (F32)", "GST_AUDIO_NE (S32)", "GST_AUDIO_NE (S16)" }"
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static GstStaticPadTemplate sf_dec_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw, "
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"format = (string) " FORMATS ", "
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"layout = (string) interleaved, "
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"rate = (int) [ 1, MAX ], " "channels = (int) [ 1, MAX ]"));
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GST_DEBUG_CATEGORY_STATIC (gst_sf_dec_debug);
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#define GST_CAT_DEFAULT gst_sf_dec_debug
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#define DEFAULT_BUFFER_FRAMES (256)
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static GstStateChangeReturn gst_sf_dec_change_state (GstElement * element,
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GstStateChange transition);
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static gboolean gst_sf_dec_sink_activate (GstPad * pad, GstObject * parent);
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static gboolean gst_sf_dec_sink_activate_mode (GstPad * sinkpad,
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GstObject * parent, GstPadMode mode, gboolean active);
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static void gst_sf_dec_loop (GstPad * pad);
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static gboolean gst_sf_dec_start (GstSFDec * bsrc);
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static gboolean gst_sf_dec_stop (GstSFDec * bsrc);
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#define _do_init \
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GST_DEBUG_CATEGORY_INIT (gst_sf_dec_debug, "sfdec", 0, "sfdec element");
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#define gst_sf_dec_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstSFDec, gst_sf_dec, GST_TYPE_ELEMENT, _do_init);
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/* sf virtual io */
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static sf_count_t
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gst_sf_vio_get_filelen (void *user_data)
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{
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GstElement *element = GST_ELEMENT (user_data);
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gint64 dur;
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if (gst_element_query_duration (element, GST_FORMAT_BYTES, &dur)) {
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return (sf_count_t) dur;
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}
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GST_WARNING_OBJECT (element, "query_duration failed");
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return -1;
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}
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static sf_count_t
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gst_sf_vio_tell (void *user_data)
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{
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GstSFDec *self = GST_SF_DEC (user_data);
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return self->pos;
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}
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static sf_count_t
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gst_sf_vio_seek (sf_count_t offset, int whence, void *user_data)
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{
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GstSFDec *self = GST_SF_DEC (user_data);
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switch (whence) {
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case SEEK_CUR:
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self->pos += offset;
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break;
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case SEEK_SET:
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self->pos = offset;
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break;
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case SEEK_END:
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self->pos = gst_sf_vio_get_filelen (user_data) - offset;
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break;
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}
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return (sf_count_t) self->pos;
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}
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static sf_count_t
|
||||||
|
gst_sf_vio_read (void *ptr, sf_count_t count, void *user_data)
|
||||||
|
{
|
||||||
|
GstSFDec *self = GST_SF_DEC (user_data);
|
||||||
|
GstBuffer *buffer = gst_buffer_new_wrapped_full (0, ptr, count, 0, count,
|
||||||
|
ptr, NULL);
|
||||||
|
|
||||||
|
if (gst_pad_pull_range (self->sinkpad, self->pos, count, &buffer) ==
|
||||||
|
GST_FLOW_OK) {
|
||||||
|
GST_DEBUG_OBJECT (self, "read %d bytes @ pos %" G_GUINT64_FORMAT,
|
||||||
|
(gint) count, self->pos);
|
||||||
|
self->pos += count;
|
||||||
|
return count;
|
||||||
|
}
|
||||||
|
GST_WARNING_OBJECT (self, "read failed");
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static sf_count_t
|
||||||
|
gst_sf_vio_write (const void *ptr, sf_count_t count, void *user_data)
|
||||||
|
{
|
||||||
|
GstSFDec *self = GST_SF_DEC (user_data);
|
||||||
|
GstBuffer *buffer = gst_buffer_new_wrapped (g_memdup (ptr, count), count);
|
||||||
|
|
||||||
|
if (gst_pad_push (self->srcpad, buffer) == GST_FLOW_OK) {
|
||||||
|
return count;
|
||||||
|
}
|
||||||
|
GST_WARNING_OBJECT (self, "write failed");
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
SF_VIRTUAL_IO gst_sf_vio = {
|
||||||
|
&gst_sf_vio_get_filelen,
|
||||||
|
&gst_sf_vio_seek,
|
||||||
|
&gst_sf_vio_read,
|
||||||
|
&gst_sf_vio_write,
|
||||||
|
&gst_sf_vio_tell,
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_sf_dec_class_init (GstSFDecClass * klass)
|
||||||
|
{
|
||||||
|
GstElementClass *gstelement_class;
|
||||||
|
|
||||||
|
gstelement_class = GST_ELEMENT_CLASS (klass);
|
||||||
|
gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_sf_dec_change_state);
|
||||||
|
|
||||||
|
gst_element_class_set_static_metadata (gstelement_class, "Sndfile decoder",
|
||||||
|
"Demuxer/Audio",
|
||||||
|
"Read audio streams using libsndfile",
|
||||||
|
"Stefan Sauer <ensonic@user.sf.net>");
|
||||||
|
|
||||||
|
gst_element_class_add_pad_template (gstelement_class,
|
||||||
|
gst_static_pad_template_get (&sf_dec_src_factory));
|
||||||
|
|
||||||
|
gst_element_class_add_pad_template (gstelement_class,
|
||||||
|
gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
|
||||||
|
gst_sf_create_audio_template_caps ()));
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_sf_dec_init (GstSFDec * self)
|
||||||
|
{
|
||||||
|
self->sinkpad = gst_pad_new_from_template (gst_element_class_get_pad_template
|
||||||
|
(GST_ELEMENT_GET_CLASS (self), "sink"), "sink");
|
||||||
|
gst_pad_set_activate_function (self->sinkpad,
|
||||||
|
GST_DEBUG_FUNCPTR (gst_sf_dec_sink_activate));
|
||||||
|
gst_pad_set_activatemode_function (self->sinkpad,
|
||||||
|
GST_DEBUG_FUNCPTR (gst_sf_dec_sink_activate_mode));
|
||||||
|
gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
|
||||||
|
|
||||||
|
self->srcpad = gst_pad_new_from_static_template (&sf_dec_src_factory, "src");
|
||||||
|
/* TODO(ensonic): event + query functions */
|
||||||
|
gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstStateChangeReturn
|
||||||
|
gst_sf_dec_change_state (GstElement * element, GstStateChange transition)
|
||||||
|
{
|
||||||
|
GstStateChangeReturn ret;
|
||||||
|
GstSFDec *self = GST_SF_DEC (element);
|
||||||
|
|
||||||
|
switch (transition) {
|
||||||
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
||||||
|
gst_sf_dec_start (self);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
||||||
|
|
||||||
|
switch (transition) {
|
||||||
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
||||||
|
gst_sf_dec_stop (self);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_sf_dec_start (GstSFDec * self)
|
||||||
|
{
|
||||||
|
self->file = NULL;
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_sf_dec_stop (GstSFDec * self)
|
||||||
|
{
|
||||||
|
int err = 0;
|
||||||
|
|
||||||
|
g_return_val_if_fail (self->file != NULL, FALSE);
|
||||||
|
|
||||||
|
GST_INFO_OBJECT (self, "Closing sndfile stream");
|
||||||
|
|
||||||
|
if ((err = sf_close (self->file)))
|
||||||
|
goto close_failed;
|
||||||
|
|
||||||
|
self->file = NULL;
|
||||||
|
self->offset = 0;
|
||||||
|
self->channels = 0;
|
||||||
|
self->rate = 0;
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
|
||||||
|
close_failed:
|
||||||
|
{
|
||||||
|
GST_ELEMENT_ERROR (self, RESOURCE, CLOSE,
|
||||||
|
("Could not close sndfile stream."),
|
||||||
|
("soundfile error: %s", sf_error_number (err)));
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_sf_dec_sink_activate (GstPad * sinkpad, GstObject * parent)
|
||||||
|
{
|
||||||
|
GstQuery *query;
|
||||||
|
gboolean pull_mode;
|
||||||
|
|
||||||
|
query = gst_query_new_scheduling ();
|
||||||
|
|
||||||
|
if (!gst_pad_peer_query (sinkpad, query)) {
|
||||||
|
gst_query_unref (query);
|
||||||
|
goto activate_push;
|
||||||
|
}
|
||||||
|
|
||||||
|
pull_mode = gst_query_has_scheduling_mode_with_flags (query,
|
||||||
|
GST_PAD_MODE_PULL, GST_SCHEDULING_FLAG_SEEKABLE);
|
||||||
|
gst_query_unref (query);
|
||||||
|
|
||||||
|
if (!pull_mode)
|
||||||
|
goto activate_push;
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (sinkpad, "activating pull");
|
||||||
|
return gst_pad_activate_mode (sinkpad, GST_PAD_MODE_PULL, TRUE);
|
||||||
|
|
||||||
|
activate_push:
|
||||||
|
{
|
||||||
|
GST_DEBUG_OBJECT (sinkpad, "activating push");
|
||||||
|
return gst_pad_activate_mode (sinkpad, GST_PAD_MODE_PUSH, TRUE);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_sf_dec_sink_activate_mode (GstPad * sinkpad, GstObject * parent,
|
||||||
|
GstPadMode mode, gboolean active)
|
||||||
|
{
|
||||||
|
gboolean res;
|
||||||
|
|
||||||
|
switch (mode) {
|
||||||
|
case GST_PAD_MODE_PUSH:
|
||||||
|
res = FALSE; /* no push support */
|
||||||
|
break;
|
||||||
|
case GST_PAD_MODE_PULL:
|
||||||
|
if (active) {
|
||||||
|
/* if we have a scheduler we can start the task */
|
||||||
|
res = gst_pad_start_task (sinkpad, (GstTaskFunction) gst_sf_dec_loop,
|
||||||
|
sinkpad, NULL);
|
||||||
|
} else {
|
||||||
|
res = gst_pad_stop_task (sinkpad);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
res = FALSE;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_sf_dec_open_file (GstSFDec * self)
|
||||||
|
{
|
||||||
|
SF_INFO info;
|
||||||
|
GstCaps *caps;
|
||||||
|
GstStructure *s;
|
||||||
|
GstSegment seg;
|
||||||
|
gint width;
|
||||||
|
const gchar *format;
|
||||||
|
gchar *stream_id;
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (self, "opening the stream");
|
||||||
|
info.format = 0;
|
||||||
|
self->file = sf_open_virtual (&gst_sf_vio, SFM_READ, &info, self);
|
||||||
|
if (!self->file)
|
||||||
|
goto open_failed;
|
||||||
|
|
||||||
|
stream_id =
|
||||||
|
gst_pad_create_stream_id (self->srcpad, GST_ELEMENT_CAST (self), NULL);
|
||||||
|
gst_pad_push_event (self->srcpad, gst_event_new_stream_start (stream_id));
|
||||||
|
g_free (stream_id);
|
||||||
|
|
||||||
|
self->channels = info.channels;
|
||||||
|
self->rate = info.samplerate;
|
||||||
|
/* TODO(ensonic): do something with info.seekable? */
|
||||||
|
/* TODO(ensonic): calculate duration info.frames */
|
||||||
|
|
||||||
|
/* negotiate srcpad caps */
|
||||||
|
if ((caps = gst_pad_get_allowed_caps (self->srcpad)) == NULL) {
|
||||||
|
caps = gst_pad_get_pad_template_caps (self->srcpad);
|
||||||
|
}
|
||||||
|
caps = gst_caps_make_writable (caps);
|
||||||
|
GST_DEBUG_OBJECT (self, "allowed caps %" GST_PTR_FORMAT, caps);
|
||||||
|
|
||||||
|
s = gst_caps_get_structure (caps, 0);
|
||||||
|
gst_structure_set (s,
|
||||||
|
"channels", G_TYPE_INT, self->channels,
|
||||||
|
"rate", G_TYPE_INT, self->rate, NULL);
|
||||||
|
|
||||||
|
if (!gst_structure_fixate_field_string (s, "format", GST_AUDIO_NE (S16)))
|
||||||
|
GST_WARNING_OBJECT (self, "Failed to fixate format to S16NE");
|
||||||
|
|
||||||
|
caps = gst_caps_fixate (caps);
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (self, "fixated caps %" GST_PTR_FORMAT, caps);
|
||||||
|
|
||||||
|
/* configure to output the negotiated format */
|
||||||
|
s = gst_caps_get_structure (caps, 0);
|
||||||
|
format = gst_structure_get_string (s, "format");
|
||||||
|
if (g_str_equal (format, GST_AUDIO_NE (S32))) {
|
||||||
|
self->reader = (GstSFReader) sf_readf_int;
|
||||||
|
width = 32;
|
||||||
|
} else if (g_str_equal (format, GST_AUDIO_NE (S16))) {
|
||||||
|
self->reader = (GstSFReader) sf_readf_short;
|
||||||
|
width = 16;
|
||||||
|
} else {
|
||||||
|
self->reader = (GstSFReader) sf_readf_float;
|
||||||
|
width = 32;
|
||||||
|
}
|
||||||
|
self->bytes_per_frame = width * self->channels / 8;
|
||||||
|
|
||||||
|
gst_pad_set_caps (self->srcpad, caps);
|
||||||
|
gst_caps_unref (caps);
|
||||||
|
|
||||||
|
gst_segment_init (&seg, GST_FORMAT_TIME);
|
||||||
|
/* TODO: calculate seg.stop = song_length; */
|
||||||
|
gst_pad_push_event (self->srcpad, gst_event_new_segment (&seg));
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
|
||||||
|
open_failed:
|
||||||
|
{
|
||||||
|
GST_ELEMENT_ERROR (self, RESOURCE, OPEN_READ,
|
||||||
|
(_("Could not open sndfile stream for reading.")),
|
||||||
|
("soundfile error: %s", sf_strerror (NULL)));
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_sf_dec_loop (GstPad * pad)
|
||||||
|
{
|
||||||
|
GstSFDec *self = GST_SF_DEC (GST_PAD_PARENT (pad));
|
||||||
|
GstBuffer *buf;
|
||||||
|
GstMapInfo map;
|
||||||
|
GstFlowReturn flow;
|
||||||
|
sf_count_t bytes_read;
|
||||||
|
guint num_frames = 1024; /* arbitrary */
|
||||||
|
|
||||||
|
if (G_UNLIKELY (!self->file)) {
|
||||||
|
/* not started yet */
|
||||||
|
if (!gst_sf_dec_open_file (self))
|
||||||
|
goto pause;
|
||||||
|
}
|
||||||
|
|
||||||
|
buf = gst_buffer_new_and_alloc (self->bytes_per_frame * num_frames);
|
||||||
|
gst_buffer_map (buf, &map, GST_MAP_WRITE);
|
||||||
|
bytes_read = self->reader (self->file, map.data, num_frames);
|
||||||
|
GST_DEBUG_OBJECT (self, "read %d / %d bytes = %d frames of audio",
|
||||||
|
(gint) bytes_read, (gint) map.size, num_frames);
|
||||||
|
gst_buffer_unmap (buf, &map);
|
||||||
|
|
||||||
|
if (G_UNLIKELY (bytes_read < 0))
|
||||||
|
goto could_not_read;
|
||||||
|
|
||||||
|
if (G_UNLIKELY (bytes_read == 0))
|
||||||
|
goto eos;
|
||||||
|
|
||||||
|
num_frames = bytes_read / self->bytes_per_frame;
|
||||||
|
|
||||||
|
GST_BUFFER_OFFSET (buf) = self->offset;
|
||||||
|
GST_BUFFER_TIMESTAMP (buf) = gst_util_uint64_scale_int (self->offset,
|
||||||
|
GST_SECOND, self->rate);
|
||||||
|
self->offset += num_frames;
|
||||||
|
GST_BUFFER_DURATION (buf) = gst_util_uint64_scale_int (self->offset,
|
||||||
|
GST_SECOND, self->rate) - GST_BUFFER_TIMESTAMP (buf);
|
||||||
|
|
||||||
|
flow = gst_pad_push (self->srcpad, buf);
|
||||||
|
if (flow != GST_FLOW_OK) {
|
||||||
|
GST_LOG_OBJECT (self, "pad push flow: %s", gst_flow_get_name (flow));
|
||||||
|
goto pause;
|
||||||
|
}
|
||||||
|
|
||||||
|
return;
|
||||||
|
|
||||||
|
/* ERROR */
|
||||||
|
could_not_read:
|
||||||
|
{
|
||||||
|
GST_ELEMENT_ERROR (self, RESOURCE, READ, (NULL), GST_ERROR_SYSTEM);
|
||||||
|
gst_buffer_unref (buf);
|
||||||
|
goto pause;
|
||||||
|
}
|
||||||
|
eos:
|
||||||
|
{
|
||||||
|
GST_DEBUG_OBJECT (self, "EOS");
|
||||||
|
gst_buffer_unref (buf);
|
||||||
|
gst_pad_push_event (self->srcpad, gst_event_new_eos ());
|
||||||
|
goto pause;
|
||||||
|
}
|
||||||
|
pause:
|
||||||
|
{
|
||||||
|
GST_INFO_OBJECT (self, "Pausing");
|
||||||
|
gst_pad_pause_task (self->sinkpad);
|
||||||
|
}
|
||||||
|
}
|
73
ext/sndfile/gstsfdec.h
Normal file
73
ext/sndfile/gstsfdec.h
Normal file
|
@ -0,0 +1,73 @@
|
||||||
|
/* GStreamer libsndfile plugin
|
||||||
|
* Copyright (C) 2013 Stefan Sauer <ensonic@users.sf.net>
|
||||||
|
*
|
||||||
|
* This library is free software; you can redistribute it and/or
|
||||||
|
* modify it under the terms of the GNU Library General Public
|
||||||
|
* License as published by the Free Software Foundation; either
|
||||||
|
* version 2 of the License, or (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This library is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||||
|
* Library General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Library General Public
|
||||||
|
* License along with this library; if not, write to the
|
||||||
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
||||||
|
* Boston, MA 02110-1301, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
#ifndef __GST_SF_DEC_H__
|
||||||
|
#define __GST_SF_DEC_H__
|
||||||
|
|
||||||
|
|
||||||
|
#include "gstsf.h"
|
||||||
|
#include <gst/base/gstbasesrc.h>
|
||||||
|
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
|
||||||
|
#define GST_TYPE_SF_DEC \
|
||||||
|
(gst_sf_dec_get_type())
|
||||||
|
#define GST_SF_DEC(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SF_DEC,GstSFDec))
|
||||||
|
#define GST_SF_DEC_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SF_DEC,GstSFDecClass))
|
||||||
|
#define GST_IS_SF_DEC(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SF_DEC))
|
||||||
|
#define GST_IS_SF_DEC_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SF_DEC))
|
||||||
|
|
||||||
|
typedef struct _GstSFDec GstSFDec;
|
||||||
|
typedef struct _GstSFDecClass GstSFDecClass;
|
||||||
|
|
||||||
|
typedef sf_count_t (*GstSFReader)(SNDFILE *f, void *data, sf_count_t nframes);
|
||||||
|
|
||||||
|
struct _GstSFDec {
|
||||||
|
GstElement parent;
|
||||||
|
|
||||||
|
GstPad *sinkpad;
|
||||||
|
GstPad *srcpad;
|
||||||
|
|
||||||
|
guint64 pos;
|
||||||
|
|
||||||
|
SNDFILE *file;
|
||||||
|
sf_count_t offset;
|
||||||
|
GstSFReader reader;
|
||||||
|
gint bytes_per_frame;
|
||||||
|
|
||||||
|
gint channels;
|
||||||
|
gint rate;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstSFDecClass {
|
||||||
|
GstElementClass parent_class;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
|
||||||
|
#endif /* __GST_SF_DEC_H__ */
|
Loading…
Reference in a new issue