Module: wine Branch: master Commit: 6abd8e23b8be24af194d97c2fa6bd9e9fed4b29a URL: https://source.winehq.org/git/wine.git/?a=commit;h=6abd8e23b8be24af194d97c2f...
Author: Rémi Bernon rbernon@codeweavers.com Date: Thu May 12 23:53:15 2022 +0200
winegstreamer: Track caps changes and keep them with the output buffers.
Using a GstSample queue instead of GstBuffer queue to combine both.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=45988 Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=47084 Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=49715 Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52183 Signed-off-by: Rémi Bernon rbernon@codeweavers.com
---
dlls/winegstreamer/wg_transform.c | 76 +++++++++++++++++++++++++++++---------- 1 file changed, 58 insertions(+), 18 deletions(-)
diff --git a/dlls/winegstreamer/wg_transform.c b/dlls/winegstreamer/wg_transform.c index d75593daedd..f8211001be9 100644 --- a/dlls/winegstreamer/wg_transform.c +++ b/dlls/winegstreamer/wg_transform.c @@ -51,40 +51,77 @@ struct wg_transform GstBufferList *input; guint input_max_length; GstAtomicQueue *output_queue; - GstBuffer *output_buffer; + GstSample *output_sample; + GstCaps *output_caps; };
static GstFlowReturn transform_sink_chain_cb(GstPad *pad, GstObject *parent, GstBuffer *buffer) { struct wg_transform *transform = gst_pad_get_element_private(pad); + GstSample *sample;
GST_LOG("transform %p, buffer %p.", transform, buffer);
- gst_atomic_queue_push(transform->output_queue, buffer); + if (!(sample = gst_sample_new(buffer, transform->output_caps, NULL, NULL))) + { + GST_ERROR("Failed to allocate transform %p output sample.", transform); + gst_buffer_unref(buffer); + return GST_FLOW_ERROR; + }
+ gst_atomic_queue_push(transform->output_queue, sample); + gst_buffer_unref(buffer); return GST_FLOW_OK; }
+static gboolean transform_sink_event_cb(GstPad *pad, GstObject *parent, GstEvent *event) +{ + struct wg_transform *transform = gst_pad_get_element_private(pad); + + GST_LOG("transform %p, type "%s".", transform, GST_EVENT_TYPE_NAME(event)); + + switch (event->type) + { + case GST_EVENT_CAPS: + { + GstCaps *caps; + + gst_event_parse_caps(event, &caps); + + gst_caps_unref(transform->output_caps); + transform->output_caps = gst_caps_ref(caps); + break; + } + default: + GST_WARNING("Ignoring "%s" event.", GST_EVENT_TYPE_NAME(event)); + break; + } + + gst_event_unref(event); + return TRUE; +} + NTSTATUS wg_transform_destroy(void *args) { struct wg_transform *transform = args; - GstBuffer *buffer; + GstSample *sample;
if (transform->input) gst_buffer_list_unref(transform->input);
gst_element_set_state(transform->container, GST_STATE_NULL);
- if (transform->output_buffer) - gst_buffer_unref(transform->output_buffer); - while ((buffer = gst_atomic_queue_pop(transform->output_queue))) - gst_buffer_unref(buffer); + if (transform->output_sample) + gst_sample_unref(transform->output_sample); + while ((sample = gst_atomic_queue_pop(transform->output_queue))) + gst_sample_unref(sample);
g_object_unref(transform->their_sink); g_object_unref(transform->their_src); g_object_unref(transform->container); g_object_unref(transform->my_sink); g_object_unref(transform->my_src); + gst_caps_unref(transform->output_caps); gst_atomic_queue_unref(transform->output_queue); free(transform);
@@ -162,10 +199,10 @@ static bool transform_append_element(struct wg_transform *transform, GstElement NTSTATUS wg_transform_create(void *args) { struct wg_transform_create_params *params = args; - GstCaps *raw_caps = NULL, *src_caps = NULL, *sink_caps = NULL; struct wg_format output_format = *params->output_format; struct wg_format input_format = *params->input_format; GstElement *first = NULL, *last = NULL, *element; + GstCaps *raw_caps = NULL, *src_caps = NULL; NTSTATUS status = STATUS_UNSUCCESSFUL; GstPadTemplate *template = NULL; struct wg_transform *transform; @@ -194,9 +231,9 @@ NTSTATUS wg_transform_create(void *args) if (!transform->my_src) goto out;
- if (!(sink_caps = wg_format_to_caps(&output_format))) + if (!(transform->output_caps = wg_format_to_caps(&output_format))) goto out; - if (!(template = gst_pad_template_new("sink", GST_PAD_SINK, GST_PAD_ALWAYS, sink_caps))) + if (!(template = gst_pad_template_new("sink", GST_PAD_SINK, GST_PAD_ALWAYS, transform->output_caps))) goto out; transform->my_sink = gst_pad_new_from_template(template, "sink"); g_object_unref(template); @@ -204,13 +241,14 @@ NTSTATUS wg_transform_create(void *args) goto out;
gst_pad_set_element_private(transform->my_sink, transform); + gst_pad_set_event_function(transform->my_sink, transform_sink_event_cb); gst_pad_set_chain_function(transform->my_sink, transform_sink_chain_cb);
/* Since we append conversion elements, we don't want to filter decoders * based on the actual output caps now. Matching decoders with the * raw output media type should be enough. */ - media_type = gst_structure_get_name(gst_caps_get_structure(sink_caps, 0)); + media_type = gst_structure_get_name(gst_caps_get_structure(transform->output_caps, 0)); if (!(raw_caps = gst_caps_new_empty_simple(media_type))) goto out;
@@ -316,7 +354,6 @@ NTSTATUS wg_transform_create(void *args) || !gst_pad_push_event(transform->my_src, event)) goto out;
- gst_caps_unref(sink_caps); gst_caps_unref(src_caps);
GST_INFO("Created winegstreamer transform %p.", transform); @@ -330,8 +367,8 @@ out: gst_object_unref(transform->their_src); if (transform->my_sink) gst_object_unref(transform->my_sink); - if (sink_caps) - gst_caps_unref(sink_caps); + if (transform->output_caps) + gst_caps_unref(transform->output_caps); if (transform->my_src) gst_object_unref(transform->my_src); if (src_caps) @@ -440,6 +477,7 @@ NTSTATUS wg_transform_read_data(void *args) struct wg_transform *transform = params->transform; struct wg_sample *sample = params->sample; GstBufferList *input = transform->input; + GstBuffer *output_buffer; GstFlowReturn ret; NTSTATUS status;
@@ -457,7 +495,7 @@ NTSTATUS wg_transform_read_data(void *args) return STATUS_UNSUCCESSFUL; }
- if (!transform->output_buffer && !(transform->output_buffer = gst_atomic_queue_pop(transform->output_queue))) + if (!transform->output_sample && !(transform->output_sample = gst_atomic_queue_pop(transform->output_queue))) { sample->size = 0; params->result = MF_E_TRANSFORM_NEED_MORE_INPUT; @@ -465,13 +503,15 @@ NTSTATUS wg_transform_read_data(void *args) return STATUS_SUCCESS; }
- if ((status = read_transform_output_data(transform->output_buffer, sample))) + output_buffer = gst_sample_get_buffer(transform->output_sample); + + if ((status = read_transform_output_data(output_buffer, sample))) return status;
if (!(sample->flags & WG_SAMPLE_FLAG_INCOMPLETE)) { - gst_buffer_unref(transform->output_buffer); - transform->output_buffer = NULL; + gst_sample_unref(transform->output_sample); + transform->output_sample = NULL; }
params->result = S_OK;