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qtmux: Refactor pad re-negotiation code

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It was similar for all pads

https://bugzilla.gnome.org/show_bug.cgi?id=606643
This commit is contained in:
Edward Hervey 2018-02-06 14:36:50 +01:00 committed by Edward Hervey
parent 2869edeea2
commit cc0c27850a
1 changed files with 34 additions and 85 deletions
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119
gst/isomp4/gstqtmux.c
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@ -4797,6 +4797,34 @@ gst_qtmux_caps_is_subset_full (GstQTMux * qtmux, GstCaps * subset,
return gst_structure_foreach (sub_s, check_field, sup_s);
}
static gboolean
gst_qt_mux_can_renegotiate (GstQTMux * qtmux, GstPad * pad, GstCaps * caps)
{
GstCaps *current_caps;
/* does not go well to renegotiate stream mid-way, unless
* the old caps are a subset of the new one (this means upstream
* added more info to the caps, as both should be 'fixed' caps) */
current_caps = gst_pad_get_current_caps (pad);
g_assert (caps != NULL);
if (!gst_qtmux_caps_is_subset_full (qtmux, current_caps, caps)) {
gst_caps_unref (current_caps);
GST_WARNING_OBJECT (qtmux,
"pad %s refused renegotiation to %" GST_PTR_FORMAT,
GST_PAD_NAME (pad), caps);
gst_object_unref (qtmux);
return FALSE;
}
GST_DEBUG_OBJECT (qtmux,
"pad %s accepted renegotiation to %" GST_PTR_FORMAT " from %"
GST_PTR_FORMAT, GST_PAD_NAME (pad), caps, current_caps);
gst_caps_unref (current_caps);
return TRUE;
}
static gboolean
gst_qt_mux_audio_sink_set_caps (GstQTPad * qtpad, GstCaps * caps)
{
@ -4815,26 +4843,8 @@ gst_qt_mux_audio_sink_set_caps (GstQTPad * qtpad, GstCaps * caps)
const gchar *stream_format;
guint32 timescale;
/* does not go well to renegotiate stream mid-way, unless
* the old caps are a subset of the new one (this means upstream
* added more info to the caps, as both should be 'fixed' caps) */
if (qtpad->fourcc) {
GstCaps *current_caps;
current_caps = gst_pad_get_current_caps (pad);
g_assert (caps != NULL);
if (!gst_qtmux_caps_is_subset_full (qtmux, current_caps, caps)) {
gst_caps_unref (current_caps);
goto refuse_renegotiation;
}
GST_DEBUG_OBJECT (qtmux,
"pad %s accepted renegotiation to %" GST_PTR_FORMAT " from %"
GST_PTR_FORMAT, GST_PAD_NAME (pad), caps, current_caps);
gst_caps_unref (current_caps);
return TRUE;
}
if (qtpad->fourcc)
return gst_qt_mux_can_renegotiate (qtmux, pad, caps);
GST_DEBUG_OBJECT (qtmux, "%s:%s, caps=%" GST_PTR_FORMAT,
GST_DEBUG_PAD_NAME (pad), caps);
@ -5160,14 +5170,6 @@ refuse_caps:
gst_object_unref (qtmux);
return FALSE;
}
refuse_renegotiation:
{
GST_WARNING_OBJECT (qtmux,
"pad %s refused renegotiation to %" GST_PTR_FORMAT,
GST_PAD_NAME (pad), caps);
gst_object_unref (qtmux);
return FALSE;
}
}
static gboolean
@ -5191,26 +5193,8 @@ gst_qt_mux_video_sink_set_caps (GstQTPad * qtpad, GstCaps * caps)
int par_num, par_den;
const gchar *multiview_mode;
/* does not go well to renegotiate stream mid-way, unless
* the old caps are a subset of the new one (this means upstream
* added more info to the caps, as both should be 'fixed' caps) */
if (qtpad->fourcc) {
GstCaps *current_caps;
current_caps = gst_pad_get_current_caps (pad);
g_assert (caps != NULL);
if (!gst_qtmux_caps_is_subset_full (qtmux, current_caps, caps)) {
gst_caps_unref (current_caps);
goto refuse_renegotiation;
}
GST_DEBUG_OBJECT (qtmux,
"pad %s accepted renegotiation to %" GST_PTR_FORMAT " from %"
GST_PTR_FORMAT, GST_PAD_NAME (pad), caps, current_caps);
gst_caps_unref (current_caps);
return TRUE;
}
if (qtpad->fourcc)
return gst_qt_mux_can_renegotiate (qtmux, pad, caps);
GST_DEBUG_OBJECT (qtmux, "%s:%s, caps=%" GST_PTR_FORMAT,
GST_DEBUG_PAD_NAME (pad), caps);
@ -5714,15 +5698,6 @@ refuse_caps:
gst_object_unref (qtmux);
return FALSE;
}
refuse_renegotiation:
{
GST_ELEMENT_WARNING (qtmux, STREAM, FORMAT,
("Can't change input format at runtime."),
("pad %s refused renegotiation to %" GST_PTR_FORMAT, GST_PAD_NAME (pad),
caps));
gst_object_unref (qtmux);
return FALSE;
}
}
static gboolean
@ -5733,26 +5708,8 @@ gst_qt_mux_subtitle_sink_set_caps (GstQTPad * qtpad, GstCaps * caps)
GstStructure *structure;
SubtitleSampleEntry entry = { 0, };
/* does not go well to renegotiate stream mid-way, unless
* the old caps are a subset of the new one (this means upstream
* added more info to the caps, as both should be 'fixed' caps) */
if (qtpad->fourcc) {
GstCaps *current_caps;
current_caps = gst_pad_get_current_caps (pad);
g_assert (caps != NULL);
if (!gst_qtmux_caps_is_subset_full (qtmux, current_caps, caps)) {
gst_caps_unref (current_caps);
goto refuse_renegotiation;
}
GST_DEBUG_OBJECT (qtmux,
"pad %s accepted renegotiation to %" GST_PTR_FORMAT " from %"
GST_PTR_FORMAT, GST_PAD_NAME (pad), caps, current_caps);
gst_caps_unref (current_caps);
return TRUE;
}
if (qtpad->fourcc)
return gst_qt_mux_can_renegotiate (qtmux, pad, caps);
GST_DEBUG_OBJECT (qtmux, "%s:%s, caps=%" GST_PTR_FORMAT,
GST_DEBUG_PAD_NAME (pad), caps);
@ -5794,14 +5751,6 @@ refuse_caps:
gst_object_unref (qtmux);
return FALSE;
}
refuse_renegotiation:
{
GST_WARNING_OBJECT (qtmux,
"pad %s refused renegotiation to %" GST_PTR_FORMAT, GST_PAD_NAME (pad),
caps);
gst_object_unref (qtmux);
return FALSE;
}
}
static gboolean