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qtmux: add streamable property to avoid building fragmented mfra index

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Marc-André Lureau 2010-08-06 13:26:27 +02:00 committed by Tim-Philipp Müller
parent 26a281bdab
commit 61964eb109
2 changed files with 23 additions and 2 deletions
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24
gst/quicktime/gstqtmux.c
View file

@ -110,7 +110,8 @@ enum
PROP_FAST_START, PROP_FAST_START,
PROP_FAST_START_TEMP_FILE, PROP_FAST_START_TEMP_FILE,
PROP_MOOV_RECOV_FILE, PROP_MOOV_RECOV_FILE,
PROP_FRAGMENT_DURATION PROP_FRAGMENT_DURATION,
PROP_STREAMABLE
}; };
/* some spare for header size as well */ /* some spare for header size as well */
@ -124,6 +125,7 @@ enum
#define DEFAULT_FAST_START_TEMP_FILE NULL #define DEFAULT_FAST_START_TEMP_FILE NULL
#define DEFAULT_MOOV_RECOV_FILE NULL #define DEFAULT_MOOV_RECOV_FILE NULL
#define DEFAULT_FRAGMENT_DURATION 0 #define DEFAULT_FRAGMENT_DURATION 0
#define DEFAULT_STREAMABLE FALSE
static void gst_qt_mux_finalize (GObject * object); static void gst_qt_mux_finalize (GObject * object);
@ -251,6 +253,12 @@ gst_qt_mux_class_init (GstQTMuxClass * klass)
"Fragment durations in ms (produce a fragmented file if > 0)", "Fragment durations in ms (produce a fragmented file if > 0)",
0, G_MAXUINT32, DEFAULT_FRAGMENT_DURATION, 0, G_MAXUINT32, DEFAULT_FRAGMENT_DURATION,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS)); G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_STREAMABLE,
g_param_spec_boolean ("streamable", "Streamable",
"If set to true, the output should be as if it is to be streamed "
"and hence no indexes written or duration written.",
DEFAULT_STREAMABLE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
gstelement_class->request_new_pad = gstelement_class->request_new_pad =
GST_DEBUG_FUNCPTR (gst_qt_mux_request_new_pad); GST_DEBUG_FUNCPTR (gst_qt_mux_request_new_pad);
@ -1548,7 +1556,8 @@ gst_qt_mux_start_file (GstQTMux * qtmux)
if (ret != GST_FLOW_OK) if (ret != GST_FLOW_OK)
return ret; return ret;
/* prepare index */ /* prepare index */
qtmux->mfra = atom_mfra_new (qtmux->context); if (!qtmux->streamable)
qtmux->mfra = atom_mfra_new (qtmux->context);
} else { } else {
/* extended to ensure some spare space */ /* extended to ensure some spare space */
ret = gst_qt_mux_send_mdat_header (qtmux, &qtmux->header_size, 0, TRUE); ret = gst_qt_mux_send_mdat_header (qtmux, &qtmux->header_size, 0, TRUE);
@ -1617,8 +1626,13 @@ gst_qt_mux_stop_file (GstQTMux * qtmux)
ret = gst_qt_mux_send_buffer (qtmux, buf, NULL, FALSE); ret = gst_qt_mux_send_buffer (qtmux, buf, NULL, FALSE);
if (ret != GST_FLOW_OK) if (ret != GST_FLOW_OK)
return ret; return ret;
} else {
/* must have been streamable; no need to write duration */
GST_DEBUG_OBJECT (qtmux, "streamable file; nothing to stop");
return GST_FLOW_OK;
} }
timescale = qtmux->timescale; timescale = qtmux->timescale;
/* only mvex duration is updated, /* only mvex duration is updated,
* mvhd should be consistent with empty moov * mvhd should be consistent with empty moov
@ -3022,6 +3036,9 @@ gst_qt_mux_get_property (GObject * object,
case PROP_FRAGMENT_DURATION: case PROP_FRAGMENT_DURATION:
g_value_set_uint (value, qtmux->fragment_duration); g_value_set_uint (value, qtmux->fragment_duration);
break; break;
case PROP_STREAMABLE:
g_value_set_boolean (value, qtmux->streamable);
break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;
@ -3077,6 +3094,9 @@ gst_qt_mux_set_property (GObject * object,
case PROP_FRAGMENT_DURATION: case PROP_FRAGMENT_DURATION:
qtmux->fragment_duration = g_value_get_uint (value); qtmux->fragment_duration = g_value_get_uint (value);
break; break;
case PROP_STREAMABLE:
qtmux->streamable = g_value_get_boolean (value);
break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;

1
gst/quicktime/gstqtmux.h
View file

@ -177,6 +177,7 @@ struct _GstQTMux
gchar *fast_start_file_path; gchar *fast_start_file_path;
gchar *moov_recov_file_path; gchar *moov_recov_file_path;
guint32 fragment_duration; guint32 fragment_duration;
gboolean streamable;
/* for collect pads event handling function */ /* for collect pads event handling function */
GstPadEventFunction collect_event; GstPadEventFunction collect_event;