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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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qtmux: add subtitle support to qtmuxmap structures
adds basic stubs for subtitle support around the qtmux and qtmuxmap structures. Still no real subtitle implemented, but basic functions in place https://bugzilla.gnome.org/show_bug.cgi?id=581295
This commit is contained in:
Thiago Santos
parent
2f8a1aa870
commit
2ae1897273
4 changed files with 98 additions and 33 deletions
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@ -235,7 +235,8 @@ gst_qt_mux_base_init (gpointer g_class)
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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GstQTMuxClass *klass = (GstQTMuxClass *) g_class;
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GstQTMuxClassParams *params;
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GstPadTemplate *videosinktempl, *audiosinktempl, *srctempl;
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GstPadTemplate *videosinktempl, *audiosinktempl, *subtitlesinktempl;
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GstPadTemplate *srctempl;
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gchar *longname, *description;
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params =
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@ -270,6 +271,12 @@ gst_qt_mux_base_init (gpointer g_class)
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gst_element_class_add_pad_template (element_class, videosinktempl);
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}
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if (params->subtitle_sink_caps) {
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subtitlesinktempl = gst_pad_template_new ("subtitle_%u",
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GST_PAD_SINK, GST_PAD_REQUEST, params->subtitle_sink_caps);
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gst_element_class_add_pad_template (element_class, subtitlesinktempl);
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}
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klass->format = params->prop->format;
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}
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@ -2478,11 +2485,11 @@ gst_qtmux_caps_is_subset_full (GstQTMux * qtmux, GstCaps * subset,
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}
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static gboolean
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gst_qt_mux_audio_sink_set_caps (GstPad * pad, GstCaps * caps)
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gst_qt_mux_audio_sink_set_caps (GstQTPad * qtpad, GstCaps * caps)
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{
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GstPad *pad = qtpad->collect.pad;
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GstQTMux *qtmux = GST_QT_MUX_CAST (gst_pad_get_parent (pad));
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GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
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GstQTPad *qtpad = NULL;
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GstStructure *structure;
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const gchar *mimetype;
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gint rate, channels;
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@ -2494,10 +2501,6 @@ gst_qt_mux_audio_sink_set_caps (GstPad * pad, GstCaps * caps)
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gint constant_size = 0;
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const gchar *stream_format;
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/* find stream data */
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qtpad = (GstQTPad *) gst_pad_get_element_private (pad);
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g_assert (qtpad);
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qtpad->prepare_buf_func = NULL;
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/* does not go well to renegotiate stream mid-way, unless
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@ -2794,11 +2797,11 @@ adjust_rate (guint64 rate)
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}
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static gboolean
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gst_qt_mux_video_sink_set_caps (GstPad * pad, GstCaps * caps)
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gst_qt_mux_video_sink_set_caps (GstQTPad * qtpad, GstCaps * caps)
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{
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GstPad *pad = qtpad->collect.pad;
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GstQTMux *qtmux = GST_QT_MUX_CAST (gst_pad_get_parent (pad));
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GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
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GstQTPad *qtpad = NULL;
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GstStructure *structure;
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const gchar *mimetype;
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gint width, height, depth = -1;
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@ -2813,10 +2816,6 @@ gst_qt_mux_video_sink_set_caps (GstPad * pad, GstCaps * caps)
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gboolean sync = FALSE;
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int par_num, par_den;
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/* find stream data */
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qtpad = (GstQTPad *) gst_pad_get_element_private (pad);
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g_assert (qtpad);
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qtpad->prepare_buf_func = NULL;
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/* does not go well to renegotiate stream mid-way, unless
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@ -3138,6 +3137,57 @@ refuse_renegotiation:
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}
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}
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static gboolean
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gst_qt_mux_subtitle_sink_set_caps (GstQTPad * qtpad, GstCaps * caps)
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{
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GstPad *pad = qtpad->collect.pad;
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GstQTMux *qtmux = GST_QT_MUX_CAST (gst_pad_get_parent (pad));
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qtpad->prepare_buf_func = NULL;
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/* does not go well to renegotiate stream mid-way, unless
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* the old caps are a subset of the new one (this means upstream
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* added more info to the caps, as both should be 'fixed' caps) */
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if (qtpad->fourcc) {
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GstCaps *current_caps;
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current_caps = gst_pad_get_current_caps (pad);
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g_assert (caps != NULL);
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if (!gst_qtmux_caps_is_subset_full (qtmux, current_caps, caps)) {
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gst_caps_unref (current_caps);
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goto refuse_renegotiation;
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}
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GST_DEBUG_OBJECT (qtmux,
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"pad %s accepted renegotiation to %" GST_PTR_FORMAT " from %"
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GST_PTR_FORMAT, GST_PAD_NAME (pad), caps, current_caps);
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gst_caps_unref (current_caps);
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}
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GST_DEBUG_OBJECT (qtmux, "%s:%s, caps=%" GST_PTR_FORMAT,
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GST_DEBUG_PAD_NAME (pad), caps);
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/* subtitles default */
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qtpad->is_out_of_order = FALSE;
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qtpad->sync = FALSE;
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/* TODO fill me */
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gst_object_unref (qtmux);
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/* not implemented */
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return FALSE;
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/* ERRORS */
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refuse_renegotiation:
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{
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GST_WARNING_OBJECT (qtmux,
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"pad %s refused renegotiation to %" GST_PTR_FORMAT, GST_PAD_NAME (pad),
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caps);
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gst_object_unref (qtmux);
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return FALSE;
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}
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}
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static gboolean
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gst_qt_mux_sink_event (GstCollectPads * pads, GstCollectData * data,
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GstEvent * event, gpointer user_data)
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@ -3161,7 +3211,7 @@ gst_qt_mux_sink_event (GstCollectPads * pads, GstCollectData * data,
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g_assert (collect_pad);
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g_assert (collect_pad->set_caps);
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ret = collect_pad->set_caps (pad, caps);
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ret = collect_pad->set_caps (collect_pad, caps);
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gst_event_unref (event);
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event = NULL;
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break;
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@ -3253,7 +3303,7 @@ gst_qt_mux_request_new_pad (GstElement * element,
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GstQTMux *qtmux = GST_QT_MUX_CAST (element);
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GstQTPad *collect_pad;
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GstPad *newpad;
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gboolean audio;
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GstQTPadSetCapsFunc setcaps_func;
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gchar *name;
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gint pad_id;
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@ -3264,19 +3314,26 @@ gst_qt_mux_request_new_pad (GstElement * element,
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goto too_late;
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if (templ == gst_element_class_get_pad_template (klass, "audio_%u")) {
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audio = TRUE;
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setcaps_func = gst_qt_mux_audio_sink_set_caps;
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if (req_name != NULL && sscanf (req_name, "audio_%u", &pad_id) == 1) {
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name = g_strdup (req_name);
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} else {
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name = g_strdup_printf ("audio_%u", qtmux->audio_pads++);
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}
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} else if (templ == gst_element_class_get_pad_template (klass, "video_%u")) {
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audio = FALSE;
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setcaps_func = gst_qt_mux_video_sink_set_caps;
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if (req_name != NULL && sscanf (req_name, "video_%u", &pad_id) == 1) {
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name = g_strdup (req_name);
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} else {
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name = g_strdup_printf ("video_%u", qtmux->video_pads++);
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}
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} else if (templ == gst_element_class_get_pad_template (klass, "subtitle_%u")) {
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setcaps_func = gst_qt_mux_subtitle_sink_set_caps;
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if (req_name != NULL && sscanf (req_name, "subtitle_%u", &pad_id) == 1) {
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name = g_strdup (req_name);
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} else {
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name = g_strdup_printf ("subtitle_%u", qtmux->subtitle_pads++);
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}
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} else
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goto wrong_template;
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@ -3296,10 +3353,7 @@ gst_qt_mux_request_new_pad (GstElement * element,
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qtmux->sinkpads = g_slist_append (qtmux->sinkpads, collect_pad);
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/* set up pad functions */
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if (audio)
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collect_pad->set_caps = GST_DEBUG_FUNCPTR (gst_qt_mux_audio_sink_set_caps);
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else
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collect_pad->set_caps = GST_DEBUG_FUNCPTR (gst_qt_mux_video_sink_set_caps);
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collect_pad->set_caps = setcaps_func;
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gst_pad_set_active (newpad, TRUE);
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gst_element_add_pad (element, newpad);
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@ -3506,6 +3560,7 @@ gst_qt_mux_register (GstPlugin * plugin)
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while (TRUE) {
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GstQTMuxFormatProp *prop;
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GstCaps *subtitle_caps;
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prop = &gst_qt_mux_format_list[i];
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format = prop->format;
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@ -3518,6 +3573,12 @@ gst_qt_mux_register (GstPlugin * plugin)
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params->src_caps = gst_static_caps_get (&prop->src_caps);
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params->video_sink_caps = gst_static_caps_get (&prop->video_sink_caps);
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params->audio_sink_caps = gst_static_caps_get (&prop->audio_sink_caps);
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subtitle_caps = gst_static_caps_get (&prop->subtitle_sink_caps);
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if (!gst_caps_is_equal (subtitle_caps, GST_CAPS_NONE)) {
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params->subtitle_sink_caps = subtitle_caps;
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} else {
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gst_caps_unref (subtitle_caps);
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}
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/* create the type now */
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type = g_type_register_static (GST_TYPE_ELEMENT, prop->type_name, &typeinfo,
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@ -78,6 +78,8 @@ typedef struct _GstQTPad GstQTPad;
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typedef GstBuffer * (*GstQTPadPrepareBufferFunc) (GstQTPad * pad,
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GstBuffer * buf, GstQTMux * qtmux);
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typedef gboolean (*GstQTPadSetCapsFunc) (GstQTPad * pad, GstCaps * caps);
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#define QTMUX_NO_OF_TS 10
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struct _GstQTPad
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@ -126,7 +128,7 @@ struct _GstQTPad
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/* if nothing is set, it won't be called */
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GstQTPadPrepareBufferFunc prepare_buf_func;
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gboolean (*set_caps) (GstPad * pad, GstCaps * caps);
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GstQTPadSetCapsFunc set_caps;
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};
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typedef enum _GstQTMuxState
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@ -192,7 +194,7 @@ struct _GstQTMux
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gboolean streamable;
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/* for request pad naming */
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guint video_pads, audio_pads;
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guint video_pads, audio_pads, subtitle_pads;
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};
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struct _GstQTMuxClass
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@ -209,6 +211,7 @@ typedef struct _GstQTMuxClassParams
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GstCaps *src_caps;
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GstCaps *video_sink_caps;
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GstCaps *audio_sink_caps;
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GstCaps *subtitle_sink_caps;
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} GstQTMuxClassParams;
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#define GST_QT_MUX_PARAMS_QDATA g_quark_from_static_string("qt-mux-params")
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@ -166,8 +166,8 @@ GstQTMuxFormatProp gst_qt_mux_format_list[] = {
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ADPCM_CAPS " ; "
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"audio/x-alaw, " COMMON_AUDIO_CAPS (2, MAX) "; "
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"audio/x-mulaw, " COMMON_AUDIO_CAPS (2, MAX) "; "
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AMR_CAPS " ; " ALAC_CAPS)
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}
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AMR_CAPS " ; " ALAC_CAPS),
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GST_STATIC_CAPS_NONE}
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,
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/* ISO 14496-14: mp42 as ISO base media extension
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* (supersedes original ISO 144996-1 mp41) */
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@ -180,8 +180,8 @@ GstQTMuxFormatProp gst_qt_mux_format_list[] = {
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GST_STATIC_CAPS ("video/quicktime, variant = (string) iso"),
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GST_STATIC_CAPS (MPEG4V_CAPS "; " H264_CAPS ";"
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"video/x-mp4-part," COMMON_VIDEO_CAPS),
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GST_STATIC_CAPS (MP3_CAPS "; " AAC_CAPS " ; " ALAC_CAPS)
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}
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GST_STATIC_CAPS (MP3_CAPS "; " AAC_CAPS " ; " ALAC_CAPS),
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GST_STATIC_CAPS_NONE}
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,
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/* Microsoft Smooth Streaming fmp4/isml */
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/* TODO add WMV/WMA support */
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@ -193,8 +193,8 @@ GstQTMuxFormatProp gst_qt_mux_format_list[] = {
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"GstISMLMux",
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GST_STATIC_CAPS ("video/quicktime, variant = (string) iso-fragmented"),
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GST_STATIC_CAPS (MPEG4V_CAPS "; " H264_CAPS),
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GST_STATIC_CAPS (MP3_CAPS "; " AAC_CAPS)
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}
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GST_STATIC_CAPS (MP3_CAPS "; " AAC_CAPS),
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GST_STATIC_CAPS_NONE}
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,
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/* 3GPP Technical Specification 26.244 V7.3.0
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* (extended in 3GPP2 File Formats for Multimedia Services) */
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@ -206,8 +206,8 @@ GstQTMuxFormatProp gst_qt_mux_format_list[] = {
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"Gst3GPPMux",
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GST_STATIC_CAPS ("video/quicktime, variant = (string) 3gpp"),
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GST_STATIC_CAPS (H263_CAPS "; " MPEG4V_CAPS "; " H264_CAPS),
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GST_STATIC_CAPS (AMR_CAPS "; " MP3_CAPS "; " AAC_CAPS)
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}
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GST_STATIC_CAPS (AMR_CAPS "; " MP3_CAPS "; " AAC_CAPS),
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GST_STATIC_CAPS_NONE}
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,
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/* ISO 15444-3: Motion-JPEG-2000 (also ISO base media extension) */
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{
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@ -219,8 +219,8 @@ GstQTMuxFormatProp gst_qt_mux_format_list[] = {
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GST_STATIC_CAPS ("video/mj2"),
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GST_STATIC_CAPS ("image/x-j2c, " COMMON_VIDEO_CAPS "; "
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"image/x-jpc, " COMMON_VIDEO_CAPS),
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GST_STATIC_CAPS (PCM_CAPS)
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}
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GST_STATIC_CAPS (PCM_CAPS),
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GST_STATIC_CAPS_NONE}
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,
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{
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GST_QT_MUX_FORMAT_NONE,
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@ -69,6 +69,7 @@ typedef struct _GstQTMuxFormatProp
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GstStaticCaps src_caps;
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GstStaticCaps video_sink_caps;
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GstStaticCaps audio_sink_caps;
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GstStaticCaps subtitle_sink_caps;
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} GstQTMuxFormatProp;
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extern GstQTMuxFormatProp gst_qt_mux_format_list[];
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