static void
gst_ffmpegmux_base_init (gpointer g_class)
{
GstFFMpegMuxClass *klass = (GstFFMpegMuxClass *) g_class;
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
GstElementDetails details;
GstPadTemplate *videosinktempl, *audiosinktempl, *srctempl;
AVOutputFormat *in_plugin;
GstCaps *srccaps, *audiosinkcaps, *videosinkcaps;
enum CodecID *video_ids = NULL, *audio_ids = NULL;
in_plugin =
(AVOutputFormat *) g_type_get_qdata (G_OBJECT_CLASS_TYPE (klass),
GST_FFMUX_PARAMS_QDATA);
g_assert (in_plugin != NULL);
/* construct the element details struct */
details.longname = g_strdup_printf ("FFmpeg %s muxer", in_plugin->long_name);
details.klass = g_strdup ("Codec/Muxer");
details.description = g_strdup_printf ("FFmpeg %s muxer",
in_plugin->long_name);
details.author = "Wim Taymans <*****@*****.**>, "
"Ronald Bultje <*****@*****.**>";
gst_element_class_set_details (element_class, &details);
g_free (details.longname);
g_free (details.klass);
g_free (details.description);
/* Try to find the caps that belongs here */
srccaps = gst_ffmpeg_formatid_to_caps (in_plugin->name);
if (!srccaps) {
GST_DEBUG ("Couldn't get source caps for muxer '%s', skipping format",
in_plugin->name);
goto beach;
}
if (!gst_ffmpeg_formatid_get_codecids (in_plugin->name,
&video_ids, &audio_ids, in_plugin)) {
gst_caps_unref (srccaps);
GST_DEBUG
("Couldn't get sink caps for muxer '%s'. Most likely because no input format mapping exists.",
in_plugin->name);
goto beach;
}
videosinkcaps = video_ids ? gst_ffmpegmux_get_id_caps (video_ids) : NULL;
audiosinkcaps = audio_ids ? gst_ffmpegmux_get_id_caps (audio_ids) : NULL;
/* fix up allowed caps for some muxers */
/* FIXME : This should be in gstffmpegcodecmap.c ! */
if (strcmp (in_plugin->name, "flv") == 0) {
const gint rates[] = { 44100, 22050, 11025 };
gst_ffmpeg_mux_simple_caps_set_int_list (audiosinkcaps, "rate", 3, rates);
} else if (strcmp (in_plugin->name, "gif") == 0) {
if (videosinkcaps)
gst_caps_unref (videosinkcaps);
videosinkcaps =
gst_caps_from_string ("video/x-raw-rgb, bpp=(int)24, depth=(int)24");
}
/* pad templates */
srctempl = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, srccaps);
gst_element_class_add_pad_template (element_class, srctempl);
if (audiosinkcaps) {
audiosinktempl = gst_pad_template_new ("audio_%d",
GST_PAD_SINK, GST_PAD_REQUEST, audiosinkcaps);
gst_element_class_add_pad_template (element_class, audiosinktempl);
}
if (videosinkcaps) {
videosinktempl = gst_pad_template_new ("video_%d",
GST_PAD_SINK, GST_PAD_REQUEST, videosinkcaps);
gst_element_class_add_pad_template (element_class, videosinktempl);
}
beach:
klass->in_plugin = in_plugin;
}
static void
gst_ffmpegmux_base_init (gpointer g_class)
{
GstFFMpegMuxClass *klass = (GstFFMpegMuxClass *) g_class;
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
GstPadTemplate *videosinktempl, *audiosinktempl, *srctempl;
AVOutputFormat *in_plugin;
GstCaps *srccaps, *audiosinkcaps, *videosinkcaps;
enum AVCodecID *video_ids = NULL, *audio_ids = NULL;
gchar *longname, *description, *name;
const char *replacement;
gboolean is_formatter;
in_plugin =
(AVOutputFormat *) g_type_get_qdata (G_OBJECT_CLASS_TYPE (klass),
GST_FFMUX_PARAMS_QDATA);
g_assert (in_plugin != NULL);
name = g_strdup (in_plugin->name);
g_strdelimit (name, ".,|-<> ", '_');
/* construct the element details struct */
replacement = gst_ffmpegmux_get_replacement (in_plugin->name);
is_formatter = gst_ffmpegmux_is_formatter (in_plugin->name);
if (replacement != NULL) {
longname =
g_strdup_printf ("libav %s %s (not recommended, use %s instead)",
in_plugin->long_name, is_formatter ? "formatter" : "muxer",
replacement);
description =
g_strdup_printf ("libav %s %s (not recommended, use %s instead)",
in_plugin->long_name, is_formatter ? "formatter" : "muxer",
replacement);
} else {
longname = g_strdup_printf ("libav %s %s", in_plugin->long_name,
is_formatter ? "formatter" : "muxer");
description = g_strdup_printf ("libav %s %s", in_plugin->long_name,
is_formatter ? "formatter" : "muxer");
}
gst_element_class_set_metadata (element_class, longname,
is_formatter ? "Formatter/Metadata" : "Codec/Muxer", description,
"Wim Taymans <*****@*****.**>, "
"Ronald Bultje <*****@*****.**>");
g_free (longname);
g_free (description);
/* Try to find the caps that belongs here */
srccaps = gst_ffmpeg_formatid_to_caps (name);
if (!srccaps) {
GST_DEBUG ("Couldn't get source caps for muxer '%s', skipping", name);
goto beach;
}
if (!gst_ffmpeg_formatid_get_codecids (in_plugin->name,
&video_ids, &audio_ids, in_plugin)) {
gst_caps_unref (srccaps);
GST_DEBUG ("Couldn't get sink caps for muxer '%s'. Most likely because "
"no input format mapping exists.", name);
goto beach;
}
videosinkcaps = video_ids ? gst_ffmpegmux_get_id_caps (video_ids) : NULL;
audiosinkcaps = audio_ids ? gst_ffmpegmux_get_id_caps (audio_ids) : NULL;
/* fix up allowed caps for some muxers */
/* FIXME : This should be in gstffmpegcodecmap.c ! */
if (strcmp (in_plugin->name, "flv") == 0) {
const gint rates[] = { 44100, 22050, 11025 };
gst_ffmpeg_mux_simple_caps_set_int_list (audiosinkcaps, "rate", 3, rates);
} else if (strcmp (in_plugin->name, "dv") == 0) {
gst_caps_set_simple (audiosinkcaps,
"rate", G_TYPE_INT, 48000, "channels", G_TYPE_INT, 2, NULL);
} else if (strcmp (in_plugin->name, "gif") == 0) {
if (videosinkcaps)
gst_caps_unref (videosinkcaps);
videosinkcaps = gst_caps_from_string ("video/x-raw, format=(string)RGB");
}
/* pad templates */
srctempl = gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS, srccaps);
gst_element_class_add_pad_template (element_class, srctempl);
gst_caps_unref (srccaps);
if (audiosinkcaps) {
audiosinktempl = gst_pad_template_new ("audio_%u",
GST_PAD_SINK, GST_PAD_REQUEST, audiosinkcaps);
gst_element_class_add_pad_template (element_class, audiosinktempl);
gst_caps_unref (audiosinkcaps);
}
if (videosinkcaps) {
videosinktempl = gst_pad_template_new ("video_%u",
GST_PAD_SINK, GST_PAD_REQUEST, videosinkcaps);
gst_element_class_add_pad_template (element_class, videosinktempl);
gst_caps_unref (videosinkcaps);
}
beach:
klass->in_plugin = in_plugin;
g_free (name);
}
