mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-24 01:00:37 +00:00
decklinkaudiosrc/decklinkvideosrc: Do nothing in BaseSrc::negotiate() and always set caps in ::create()
We don't support negotiation with downstream but simply set caps based on the buffers we receive. This prevents renegotiation to other formats, and negotiation to NTSC in mode=auto in the beginning until the first buffer is received. As side-effect of this, also remove various other caps handling code that was working around the behaviour of the default BaseSrc::negotiate().
This commit is contained in:
Sebastian Dröge
Mathieu Duponchelle
parent
8257159909
commit
ab8bd0aa44
2 changed files with 64 additions and 131 deletions
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@ -123,10 +123,6 @@ static GstStateChangeReturn
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gst_decklink_audio_src_change_state (GstElement * element,
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GstStateChange transition);
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static gboolean gst_decklink_audio_src_set_caps (GstBaseSrc * bsrc,
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GstCaps * caps);
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static GstCaps *gst_decklink_audio_src_get_caps (GstBaseSrc * bsrc,
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GstCaps * filter);
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static gboolean gst_decklink_audio_src_unlock (GstBaseSrc * bsrc);
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static gboolean gst_decklink_audio_src_unlock_stop (GstBaseSrc * bsrc);
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static gboolean gst_decklink_audio_src_query (GstBaseSrc * bsrc,
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@ -158,9 +154,8 @@ gst_decklink_audio_src_class_init (GstDecklinkAudioSrcClass * klass)
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element_class->change_state =
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GST_DEBUG_FUNCPTR (gst_decklink_audio_src_change_state);
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basesrc_class->get_caps = GST_DEBUG_FUNCPTR (gst_decklink_audio_src_get_caps);
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basesrc_class->set_caps = GST_DEBUG_FUNCPTR (gst_decklink_audio_src_set_caps);
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basesrc_class->query = GST_DEBUG_FUNCPTR (gst_decklink_audio_src_query);
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basesrc_class->negotiate = NULL;
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basesrc_class->unlock = GST_DEBUG_FUNCPTR (gst_decklink_audio_src_unlock);
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basesrc_class->unlock_stop =
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GST_DEBUG_FUNCPTR (gst_decklink_audio_src_unlock_stop);
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@ -234,6 +229,8 @@ gst_decklink_audio_src_init (GstDecklinkAudioSrc * self)
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gst_base_src_set_live (GST_BASE_SRC (self), TRUE);
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gst_base_src_set_format (GST_BASE_SRC (self), GST_FORMAT_TIME);
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gst_pad_use_fixed_caps (GST_BASE_SRC_PAD (self));
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g_mutex_init (&self->lock);
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g_cond_init (&self->cond);
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@ -332,47 +329,42 @@ gst_decklink_audio_src_finalize (GObject * object)
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}
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static gboolean
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gst_decklink_audio_src_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
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gst_decklink_audio_src_start (GstDecklinkAudioSrc * self)
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{
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GstDecklinkAudioSrc *self = GST_DECKLINK_AUDIO_SRC_CAST (bsrc);
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BMDAudioSampleType sample_depth;
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GstCaps *current_caps;
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HRESULT ret;
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BMDAudioConnection conn = (BMDAudioConnection) - 1;
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GstCaps *allowed_caps, *caps;
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GST_DEBUG_OBJECT (self, "Setting caps %" GST_PTR_FORMAT, caps);
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if ((current_caps = gst_pad_get_current_caps (GST_BASE_SRC_PAD (bsrc)))) {
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GstCaps *curcaps_cp;
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GstStructure *cur_st, *caps_st;
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GST_DEBUG_OBJECT (self, "Pad already has caps %" GST_PTR_FORMAT, caps);
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curcaps_cp = gst_caps_make_writable (current_caps);
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cur_st = gst_caps_get_structure (curcaps_cp, 0);
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caps_st = gst_caps_get_structure (caps, 0);
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gst_structure_remove_field (cur_st, "channel-mask");
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if (!gst_structure_can_intersect (caps_st, cur_st)) {
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GST_ERROR_OBJECT (self, "New caps are not compatible with old caps");
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gst_caps_unref (current_caps);
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gst_caps_unref (curcaps_cp);
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return FALSE;
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} else {
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gst_caps_unref (current_caps);
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gst_caps_unref (curcaps_cp);
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g_mutex_lock (&self->input->lock);
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if (self->input->audio_enabled) {
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g_mutex_unlock (&self->input->lock);
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return TRUE;
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}
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}
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g_mutex_unlock (&self->input->lock);
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if (!gst_audio_info_from_caps (&self->info, caps))
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return FALSE;
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/* Negotiate the format / sample depth with downstream */
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allowed_caps = gst_pad_get_allowed_caps (GST_BASE_SRC_PAD (self));
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if (!allowed_caps)
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allowed_caps = gst_pad_get_pad_template_caps (GST_BASE_SRC_PAD (self));
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if (self->info.finfo->format == GST_AUDIO_FORMAT_S16LE) {
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sample_depth = bmdAudioSampleType16bitInteger;
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} else {
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sample_depth = bmdAudioSampleType32bitInteger;
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if (!gst_caps_is_empty (allowed_caps)) {
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GstStructure *s;
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allowed_caps = gst_caps_simplify (allowed_caps);
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s = gst_caps_get_structure (allowed_caps, 0);
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/* If it's not a string then both formats are supported */
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if (gst_structure_has_field_typed (s, "format", G_TYPE_STRING)) {
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const gchar *format = gst_structure_get_string (s, "format");
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if (g_str_equal (format, "S16LE")) {
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sample_depth = bmdAudioSampleType16bitInteger;
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}
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}
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}
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gst_caps_unref (allowed_caps);
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switch (self->connection) {
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case GST_DECKLINK_AUDIO_CONNECTION_AUTO:{
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@ -449,12 +441,16 @@ gst_decklink_audio_src_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
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}
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ret = self->input->input->EnableAudioInput (bmdAudioSampleRate48kHz,
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sample_depth, self->info.channels);
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sample_depth, self->channels_found);
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if (ret != S_OK) {
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GST_WARNING_OBJECT (self, "Failed to enable audio input: 0x%08lx",
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(unsigned long) ret);
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return FALSE;
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}
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gst_audio_info_set_format (&self->info,
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sample_depth ==
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bmdAudioSampleType16bitInteger ? GST_AUDIO_FORMAT_S16LE :
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GST_AUDIO_FORMAT_S32LE, 48000, self->channels_found, NULL);
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g_mutex_lock (&self->input->lock);
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self->input->audio_enabled = TRUE;
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@ -462,46 +458,15 @@ gst_decklink_audio_src_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
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self->input->start_streams (self->input->videosrc);
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g_mutex_unlock (&self->input->lock);
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return TRUE;
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}
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static GstCaps *
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gst_decklink_audio_src_get_caps (GstBaseSrc * bsrc, GstCaps * filter)
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{
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GstDecklinkAudioSrc *self = GST_DECKLINK_AUDIO_SRC_CAST (bsrc);
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GstCaps *caps;
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// We don't support renegotiation
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caps = gst_pad_get_current_caps (GST_BASE_SRC_PAD (bsrc));
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if (!caps) {
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GstCaps *channel_filter, *templ;
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templ = gst_pad_get_pad_template_caps (GST_BASE_SRC_PAD (bsrc));
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if (self->channels_found > 0) {
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channel_filter =
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gst_caps_new_simple ("audio/x-raw", "channels", G_TYPE_INT,
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self->channels_found, NULL);
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} else if (self->channels > 0) {
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channel_filter =
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gst_caps_new_simple ("audio/x-raw", "channels", G_TYPE_INT,
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self->channels, NULL);
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} else {
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channel_filter = gst_caps_new_empty_simple ("audio/x-raw");
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}
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caps = gst_caps_intersect (channel_filter, templ);
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gst_caps_unref (channel_filter);
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gst_caps_unref (templ);
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}
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if (filter) {
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GstCaps *tmp =
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gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
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caps = gst_audio_info_to_caps (&self->info);
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if (!gst_base_src_set_caps (GST_BASE_SRC (self), caps)) {
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gst_caps_unref (caps);
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caps = tmp;
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GST_WARNING_OBJECT (self, "Failed to set caps");
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return FALSE;
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}
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gst_caps_unref (caps);
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return caps;
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return TRUE;
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}
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static void
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@ -615,6 +580,10 @@ gst_decklink_audio_src_create (GstPushSrc * bsrc, GstBuffer ** buffer)
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static GstStaticCaps hardware_reference =
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GST_STATIC_CAPS ("timestamp/x-decklink-hardware");
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if (!gst_decklink_audio_src_start (self)) {
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return GST_FLOW_NOT_NEGOTIATED;
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}
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retry:
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g_mutex_lock (&self->lock);
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while (gst_queue_array_is_empty (self->current_packets) && !self->flushing) {
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@ -223,10 +223,6 @@ static GstStateChangeReturn
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gst_decklink_video_src_change_state (GstElement * element,
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GstStateChange transition);
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static gboolean gst_decklink_video_src_set_caps (GstBaseSrc * bsrc,
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GstCaps * caps);
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static GstCaps *gst_decklink_video_src_get_caps (GstBaseSrc * bsrc,
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GstCaps * filter);
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static gboolean gst_decklink_video_src_query (GstBaseSrc * bsrc,
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GstQuery * query);
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static gboolean gst_decklink_video_src_unlock (GstBaseSrc * bsrc);
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@ -261,9 +257,8 @@ gst_decklink_video_src_class_init (GstDecklinkVideoSrcClass * klass)
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element_class->change_state =
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GST_DEBUG_FUNCPTR (gst_decklink_video_src_change_state);
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basesrc_class->get_caps = GST_DEBUG_FUNCPTR (gst_decklink_video_src_get_caps);
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basesrc_class->set_caps = GST_DEBUG_FUNCPTR (gst_decklink_video_src_set_caps);
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basesrc_class->query = GST_DEBUG_FUNCPTR (gst_decklink_video_src_query);
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basesrc_class->negotiate = NULL;
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basesrc_class->unlock = GST_DEBUG_FUNCPTR (gst_decklink_video_src_unlock);
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basesrc_class->unlock_stop =
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GST_DEBUG_FUNCPTR (gst_decklink_video_src_unlock_stop);
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@ -408,6 +403,8 @@ gst_decklink_video_src_init (GstDecklinkVideoSrc * self)
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gst_base_src_set_live (GST_BASE_SRC (self), TRUE);
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gst_base_src_set_format (GST_BASE_SRC (self), GST_FORMAT_TIME);
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gst_pad_use_fixed_caps (GST_BASE_SRC_PAD (self));
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g_mutex_init (&self->lock);
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g_cond_init (&self->cond);
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@ -574,36 +571,19 @@ gst_decklink_video_src_finalize (GObject * object)
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}
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static gboolean
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gst_decklink_video_src_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
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gst_decklink_video_src_start (GstDecklinkVideoSrc * self)
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{
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GstDecklinkVideoSrc *self = GST_DECKLINK_VIDEO_SRC_CAST (bsrc);
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GstCaps *current_caps;
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const GstDecklinkMode *mode;
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BMDVideoInputFlags flags;
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HRESULT ret;
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BMDPixelFormat format;
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GST_DEBUG_OBJECT (self, "Setting caps %" GST_PTR_FORMAT, caps);
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if ((current_caps = gst_pad_get_current_caps (GST_BASE_SRC_PAD (bsrc)))) {
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GST_DEBUG_OBJECT (self, "Pad already has caps %" GST_PTR_FORMAT, caps);
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if (!gst_caps_is_equal (caps, current_caps)) {
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GST_DEBUG_OBJECT (self, "New caps, reconfiguring");
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gst_caps_unref (current_caps);
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if (self->mode == GST_DECKLINK_MODE_AUTO) {
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return TRUE;
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} else {
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return FALSE;
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}
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} else {
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gst_caps_unref (current_caps);
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g_mutex_lock (&self->input->lock);
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if (self->input->video_enabled) {
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g_mutex_unlock (&self->input->lock);
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return TRUE;
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}
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}
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if (!gst_video_info_from_caps (&self->info, caps))
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return FALSE;
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g_mutex_unlock (&self->input->lock);
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if (self->input->config && self->connection != GST_DECKLINK_CONNECTION_AUTO) {
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ret = self->input->config->SetInt (bmdDeckLinkConfigVideoInputConnection,
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@ -672,32 +652,6 @@ gst_decklink_video_src_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
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return TRUE;
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}
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static GstCaps *
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gst_decklink_video_src_get_caps (GstBaseSrc * bsrc, GstCaps * filter)
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{
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GstDecklinkVideoSrc *self = GST_DECKLINK_VIDEO_SRC_CAST (bsrc);
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GstCaps *mode_caps, *caps;
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BMDPixelFormat format;
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GstDecklinkModeEnum mode;
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g_mutex_lock (&self->lock);
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mode = self->caps_mode;
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format = self->caps_format;
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g_mutex_unlock (&self->lock);
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mode_caps = gst_decklink_mode_get_caps (mode, format, TRUE);
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if (filter) {
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caps =
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gst_caps_intersect_full (filter, mode_caps, GST_CAPS_INTERSECT_FIRST);
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gst_caps_unref (mode_caps);
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} else {
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caps = mode_caps;
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}
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return caps;
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}
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static void
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gst_decklink_video_src_update_time_mapping (GstDecklinkVideoSrc * self,
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GstClockTime capture_time, GstClockTime stream_time)
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@ -1207,6 +1161,10 @@ gst_decklink_video_src_create (GstPushSrc * bsrc, GstBuffer ** buffer)
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static GstStaticCaps hardware_reference =
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GST_STATIC_CAPS ("timestamp/x-decklink-hardware");
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if (!gst_decklink_video_src_start (self)) {
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return GST_FLOW_NOT_NEGOTIATED;
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}
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g_mutex_lock (&self->lock);
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retry:
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while (gst_queue_array_is_empty (self->current_frames) && !self->flushing) {
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@ -1252,8 +1210,13 @@ retry:
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// If we're not flushing, we should have a valid frame from the queue
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g_assert (f.frame != NULL);
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if (!gst_pad_has_current_caps (GST_BASE_SRC_PAD (self))) {
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caps_changed = TRUE;
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}
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if (self->caps_mode != f.mode) {
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if (self->mode == GST_DECKLINK_MODE_AUTO) {
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if (self->mode == GST_DECKLINK_MODE_AUTO
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|| !gst_pad_has_current_caps (GST_BASE_SRC_PAD (self))) {
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GST_DEBUG_OBJECT (self, "Mode changed from %d to %d", self->caps_mode,
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f.mode);
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caps_changed = TRUE;
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@ -1268,7 +1231,8 @@ retry:
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}
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}
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if (self->caps_format != f.format) {
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if (self->video_format == GST_DECKLINK_VIDEO_FORMAT_AUTO) {
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if (self->video_format == GST_DECKLINK_VIDEO_FORMAT_AUTO
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|| !gst_pad_has_current_caps (GST_BASE_SRC_PAD (self))) {
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GST_DEBUG_OBJECT (self, "Format changed from %d to %d", self->caps_format,
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f.format);
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caps_changed = TRUE;
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