mirror of
https://github.com/brl/mutter.git
synced 2024-11-28 02:50:41 -05:00
screen-cast-stream-src: Use dynamic buffer allocations
In order to allow arbitrary number of formats, modifiers and other parameters. This makes the code more robust and easier to adapt. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3617>
This commit is contained in:
Robert Mader
Marge Bot
parent
774d0ad0bc
commit
77186c2063
@ -28,6 +28,7 @@
|
||||
#include <spa/param/props.h>
|
||||
#include <spa/param/format-utils.h>
|
||||
#include <spa/param/video/format-utils.h>
|
||||
#include <spa/pod/dynamic.h>
|
||||
#include <spa/utils/result.h>
|
||||
#include <stdint.h>
|
||||
#include <sys/mman.h>
|
||||
@ -162,60 +163,67 @@ cogl_pixel_format_from_spa_video_format (enum spa_video_format spa_format,
|
||||
}
|
||||
|
||||
static struct spa_pod *
|
||||
push_format_object (struct spa_pod_builder *pod_builder,
|
||||
enum spa_video_format format,
|
||||
push_format_object (enum spa_video_format format,
|
||||
uint64_t *modifiers,
|
||||
int n_modifiers,
|
||||
gboolean fixate_modifier,
|
||||
...)
|
||||
{
|
||||
struct spa_pod_frame pod_frames[2];
|
||||
struct spa_pod_dynamic_builder pod_builder;
|
||||
struct spa_pod_frame pod_frame;
|
||||
va_list args;
|
||||
|
||||
spa_pod_builder_push_object (pod_builder, &pod_frames[0],
|
||||
SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat);
|
||||
spa_pod_builder_add (pod_builder,
|
||||
spa_pod_dynamic_builder_init (&pod_builder, NULL, 0, 1024);
|
||||
|
||||
spa_pod_builder_push_object (&pod_builder.b,
|
||||
&pod_frame,
|
||||
SPA_TYPE_OBJECT_Format,
|
||||
SPA_PARAM_EnumFormat);
|
||||
spa_pod_builder_add (&pod_builder.b,
|
||||
SPA_FORMAT_mediaType,
|
||||
SPA_POD_Id (SPA_MEDIA_TYPE_video),
|
||||
0);
|
||||
spa_pod_builder_add (pod_builder,
|
||||
spa_pod_builder_add (&pod_builder.b,
|
||||
SPA_FORMAT_mediaSubtype,
|
||||
SPA_POD_Id (SPA_MEDIA_SUBTYPE_raw),
|
||||
0);
|
||||
spa_pod_builder_add (pod_builder,
|
||||
SPA_FORMAT_VIDEO_format, SPA_POD_Id (format),
|
||||
spa_pod_builder_add (&pod_builder.b,
|
||||
SPA_FORMAT_VIDEO_format,
|
||||
SPA_POD_Id (format),
|
||||
0);
|
||||
if (n_modifiers > 0)
|
||||
{
|
||||
if (fixate_modifier)
|
||||
{
|
||||
spa_pod_builder_prop (pod_builder,
|
||||
spa_pod_builder_prop (&pod_builder.b,
|
||||
SPA_FORMAT_VIDEO_modifier,
|
||||
SPA_POD_PROP_FLAG_MANDATORY);
|
||||
spa_pod_builder_long (pod_builder, modifiers[0]);
|
||||
spa_pod_builder_long (&pod_builder.b, modifiers[0]);
|
||||
}
|
||||
else
|
||||
{
|
||||
struct spa_pod_frame pod_frame_mods;
|
||||
int i;
|
||||
|
||||
spa_pod_builder_prop (pod_builder,
|
||||
spa_pod_builder_prop (&pod_builder.b,
|
||||
SPA_FORMAT_VIDEO_modifier,
|
||||
(SPA_POD_PROP_FLAG_MANDATORY |
|
||||
SPA_POD_PROP_FLAG_DONT_FIXATE));
|
||||
spa_pod_builder_push_choice (pod_builder, &pod_frames[1],
|
||||
spa_pod_builder_push_choice (&pod_builder.b,
|
||||
&pod_frame_mods,
|
||||
SPA_CHOICE_Enum,
|
||||
0);
|
||||
spa_pod_builder_long (pod_builder, modifiers[0]);
|
||||
spa_pod_builder_long (&pod_builder.b, modifiers[0]);
|
||||
for (i = 0; i < n_modifiers; i++)
|
||||
spa_pod_builder_long (pod_builder, modifiers[i]);
|
||||
spa_pod_builder_pop (pod_builder, &pod_frames[1]);
|
||||
spa_pod_builder_long (&pod_builder.b, modifiers[i]);
|
||||
spa_pod_builder_pop (&pod_builder.b, &pod_frame_mods);
|
||||
}
|
||||
}
|
||||
|
||||
va_start (args, fixate_modifier);
|
||||
spa_pod_builder_addv (pod_builder, args);
|
||||
spa_pod_builder_addv (&pod_builder.b, args);
|
||||
va_end (args);
|
||||
return spa_pod_builder_pop (pod_builder, &pod_frames[0]);
|
||||
return spa_pod_builder_pop (&pod_builder.b, &pod_frame);
|
||||
}
|
||||
|
||||
static void
|
||||
@ -973,9 +981,7 @@ meta_screen_cast_stream_src_close (MetaScreenCastStreamSrc *src)
|
||||
|
||||
static void
|
||||
build_format_params (MetaScreenCastStreamSrc *src,
|
||||
struct spa_pod_builder *pod_builder,
|
||||
const struct spa_pod **params,
|
||||
uint32_t *n_params)
|
||||
GPtrArray *params)
|
||||
{
|
||||
MetaScreenCastStream *stream =
|
||||
meta_screen_cast_stream_src_get_stream (src);
|
||||
@ -997,6 +1003,7 @@ build_format_params (MetaScreenCastStreamSrc *src,
|
||||
struct spa_fraction default_framerate = DEFAULT_FRAME_RATE;
|
||||
struct spa_fraction min_framerate = MIN_FRAME_RATE;
|
||||
struct spa_fraction max_framerate = MAX_FRAME_RATE;
|
||||
struct spa_pod *pod;
|
||||
int width;
|
||||
int height;
|
||||
float frame_rate;
|
||||
@ -1045,8 +1052,7 @@ build_format_params (MetaScreenCastStreamSrc *src,
|
||||
if (modifiers->len == 0)
|
||||
continue;
|
||||
|
||||
params[(*n_params)++] = push_format_object (
|
||||
pod_builder,
|
||||
pod = push_format_object (
|
||||
spa_video_formats[i], (uint64_t *) modifiers->data, modifiers->len, FALSE,
|
||||
SPA_FORMAT_VIDEO_size, SPA_POD_CHOICE_RANGE_Rectangle (&default_size,
|
||||
&min_size,
|
||||
@ -1057,11 +1063,11 @@ build_format_params (MetaScreenCastStreamSrc *src,
|
||||
&min_framerate,
|
||||
&max_framerate),
|
||||
0);
|
||||
g_ptr_array_add (params, g_steal_pointer (&pod));
|
||||
}
|
||||
for (i = 0; i < n_spa_video_formats; i++)
|
||||
{
|
||||
params[(*n_params)++] = push_format_object (
|
||||
pod_builder,
|
||||
pod = push_format_object (
|
||||
spa_video_formats[i], NULL, 0, FALSE,
|
||||
SPA_FORMAT_VIDEO_size, SPA_POD_CHOICE_RANGE_Rectangle (&default_size,
|
||||
&min_size,
|
||||
@ -1072,6 +1078,7 @@ build_format_params (MetaScreenCastStreamSrc *src,
|
||||
&min_framerate,
|
||||
&max_framerate),
|
||||
0);
|
||||
g_ptr_array_add (params, g_steal_pointer (&pod));
|
||||
}
|
||||
}
|
||||
|
||||
@ -1080,14 +1087,14 @@ renegotiate_pipewire_stream (MetaScreenCastStreamSrc *src)
|
||||
{
|
||||
MetaScreenCastStreamSrcPrivate *priv =
|
||||
meta_screen_cast_stream_src_get_instance_private (src);
|
||||
uint8_t buffer[1024];
|
||||
struct spa_pod_builder pod_builder;
|
||||
const struct spa_pod *params[4];
|
||||
uint32_t n_params = 0;
|
||||
g_autoptr (GPtrArray) params = NULL;
|
||||
|
||||
pod_builder = SPA_POD_BUILDER_INIT (buffer, sizeof (buffer));
|
||||
build_format_params (src, &pod_builder, params, &n_params);
|
||||
pw_stream_update_params (priv->pipewire_stream, params, n_params);
|
||||
params = g_ptr_array_new_full (16, (GDestroyNotify) free);
|
||||
build_format_params (src, params);
|
||||
|
||||
pw_stream_update_params (priv->pipewire_stream,
|
||||
(const struct spa_pod **) params->pdata,
|
||||
params->len);
|
||||
}
|
||||
|
||||
static void
|
||||
@ -1131,20 +1138,23 @@ on_stream_state_changed (void *data,
|
||||
}
|
||||
|
||||
static void
|
||||
add_video_damage_meta_param (struct spa_pod_builder *pod_builder,
|
||||
const struct spa_pod **params,
|
||||
int idx)
|
||||
add_video_damage_meta_param (GPtrArray *params)
|
||||
{
|
||||
struct spa_pod_dynamic_builder pod_builder;
|
||||
struct spa_pod *pod;
|
||||
const size_t meta_region_size = sizeof (struct spa_meta_region);
|
||||
|
||||
params[idx] = spa_pod_builder_add_object (
|
||||
pod_builder,
|
||||
spa_pod_dynamic_builder_init (&pod_builder, NULL, 0, 1024);
|
||||
|
||||
pod = spa_pod_builder_add_object (
|
||||
&pod_builder.b,
|
||||
SPA_TYPE_OBJECT_ParamMeta, SPA_PARAM_Meta,
|
||||
SPA_PARAM_META_type, SPA_POD_Id (SPA_META_VideoDamage),
|
||||
SPA_PARAM_META_size,
|
||||
SPA_POD_CHOICE_RANGE_Int (meta_region_size * NUM_DAMAGED_RECTS,
|
||||
meta_region_size * 1,
|
||||
meta_region_size * NUM_DAMAGED_RECTS));
|
||||
g_ptr_array_add (params, g_steal_pointer (&pod));
|
||||
}
|
||||
|
||||
static void
|
||||
@ -1157,20 +1167,20 @@ on_stream_param_changed (void *data,
|
||||
meta_screen_cast_stream_src_get_instance_private (src);
|
||||
MetaScreenCastStreamSrcClass *klass =
|
||||
META_SCREEN_CAST_STREAM_SRC_GET_CLASS (src);
|
||||
uint8_t params_buffer[1024];
|
||||
struct spa_pod_builder pod_builder;
|
||||
const struct spa_pod *params[5];
|
||||
uint32_t n_params = 0;
|
||||
struct spa_pod_dynamic_builder pod_builder;
|
||||
struct spa_pod *pod;
|
||||
g_autoptr (GPtrArray) params = NULL;
|
||||
int buffer_types;
|
||||
const struct spa_pod_prop *prop_modifier;
|
||||
|
||||
if (!format || id != SPA_PARAM_Format)
|
||||
return;
|
||||
|
||||
params = g_ptr_array_new_full (16, (GDestroyNotify) free);
|
||||
|
||||
spa_format_video_raw_parse (format,
|
||||
&priv->video_format);
|
||||
|
||||
pod_builder = SPA_POD_BUILDER_INIT (params_buffer, sizeof (params_buffer));
|
||||
prop_modifier = spa_pod_find_prop (format, NULL, SPA_FORMAT_VIDEO_modifier);
|
||||
|
||||
if (prop_modifier)
|
||||
@ -1227,8 +1237,7 @@ on_stream_param_changed (void *data,
|
||||
priv->video_format.size.height,
|
||||
&preferred_modifier))
|
||||
{
|
||||
params[n_params++] = push_format_object (
|
||||
&pod_builder,
|
||||
pod = push_format_object (
|
||||
priv->video_format.format, &preferred_modifier, 1, TRUE,
|
||||
SPA_FORMAT_VIDEO_size, SPA_POD_Rectangle (&priv->video_format.size),
|
||||
SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction (&SPA_FRACTION (0, 1)),
|
||||
@ -1237,43 +1246,56 @@ on_stream_param_changed (void *data,
|
||||
&MIN_FRAME_RATE,
|
||||
&priv->video_format.max_framerate),
|
||||
0);
|
||||
g_ptr_array_add (params, g_steal_pointer (&pod));
|
||||
}
|
||||
|
||||
build_format_params (src, &pod_builder, params, &n_params);
|
||||
build_format_params (src, params);
|
||||
|
||||
pw_stream_update_params (priv->pipewire_stream, params, n_params);
|
||||
pw_stream_update_params (priv->pipewire_stream,
|
||||
(const struct spa_pod **) params->pdata,
|
||||
params->len);
|
||||
return;
|
||||
}
|
||||
|
||||
params[n_params++] = spa_pod_builder_add_object (
|
||||
&pod_builder,
|
||||
spa_pod_dynamic_builder_init (&pod_builder, NULL, 0, 1024);
|
||||
pod = spa_pod_builder_add_object (
|
||||
&pod_builder.b,
|
||||
SPA_TYPE_OBJECT_ParamBuffers, SPA_PARAM_Buffers,
|
||||
SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int (16, 2, 16),
|
||||
SPA_PARAM_BUFFERS_blocks, SPA_POD_Int (1),
|
||||
SPA_PARAM_BUFFERS_align, SPA_POD_Int (16),
|
||||
SPA_PARAM_BUFFERS_dataType, SPA_POD_CHOICE_FLAGS_Int (buffer_types));
|
||||
g_ptr_array_add (params, g_steal_pointer (&pod));
|
||||
|
||||
params[n_params++] = spa_pod_builder_add_object (
|
||||
&pod_builder,
|
||||
spa_pod_dynamic_builder_init (&pod_builder, NULL, 0, 1024);
|
||||
pod = spa_pod_builder_add_object (
|
||||
&pod_builder.b,
|
||||
SPA_TYPE_OBJECT_ParamMeta, SPA_PARAM_Meta,
|
||||
SPA_PARAM_META_type, SPA_POD_Id (SPA_META_VideoCrop),
|
||||
SPA_PARAM_META_size, SPA_POD_Int (sizeof (struct spa_meta_region)));
|
||||
g_ptr_array_add (params, g_steal_pointer (&pod));
|
||||
|
||||
params[n_params++] = spa_pod_builder_add_object (
|
||||
&pod_builder,
|
||||
spa_pod_dynamic_builder_init (&pod_builder, NULL, 0, 1024);
|
||||
pod = spa_pod_builder_add_object (
|
||||
&pod_builder.b,
|
||||
SPA_TYPE_OBJECT_ParamMeta, SPA_PARAM_Meta,
|
||||
SPA_PARAM_META_type, SPA_POD_Id (SPA_META_Cursor),
|
||||
SPA_PARAM_META_size, SPA_POD_Int (CURSOR_META_SIZE (384, 384)));
|
||||
g_ptr_array_add (params, g_steal_pointer (&pod));
|
||||
|
||||
params[n_params++] = spa_pod_builder_add_object (
|
||||
&pod_builder,
|
||||
spa_pod_dynamic_builder_init (&pod_builder, NULL, 0, 1024);
|
||||
pod = spa_pod_builder_add_object (
|
||||
&pod_builder.b,
|
||||
SPA_TYPE_OBJECT_ParamMeta, SPA_PARAM_Meta,
|
||||
SPA_PARAM_META_type, SPA_POD_Id (SPA_META_Header),
|
||||
SPA_PARAM_META_size, SPA_POD_Int (sizeof (struct spa_meta_header)));
|
||||
g_ptr_array_add (params, g_steal_pointer (&pod));
|
||||
|
||||
add_video_damage_meta_param (&pod_builder, params, n_params++);
|
||||
add_video_damage_meta_param (params);
|
||||
|
||||
pw_stream_update_params (priv->pipewire_stream, params, n_params);
|
||||
pw_stream_update_params (priv->pipewire_stream,
|
||||
(const struct spa_pod **) params->pdata,
|
||||
params->len);
|
||||
|
||||
if (klass->notify_params_updated)
|
||||
klass->notify_params_updated (src, &priv->video_format);
|
||||
@ -1462,11 +1484,7 @@ create_pipewire_stream (MetaScreenCastStreamSrc *src,
|
||||
MetaScreenCastStreamSrcPrivate *priv =
|
||||
meta_screen_cast_stream_src_get_instance_private (src);
|
||||
struct pw_stream *pipewire_stream;
|
||||
uint8_t buffer[1024];
|
||||
struct spa_pod_builder pod_builder =
|
||||
SPA_POD_BUILDER_INIT (buffer, sizeof (buffer));
|
||||
const struct spa_pod *params[4];
|
||||
uint32_t n_params = 0;
|
||||
g_autoptr (GPtrArray) params = NULL;
|
||||
int result;
|
||||
|
||||
priv->node_id = SPA_ID_INVALID;
|
||||
@ -1482,7 +1500,8 @@ create_pipewire_stream (MetaScreenCastStreamSrc *src,
|
||||
return NULL;
|
||||
}
|
||||
|
||||
build_format_params (src, &pod_builder, params, &n_params);
|
||||
params = g_ptr_array_new_full (16, (GDestroyNotify) free);
|
||||
build_format_params (src, params);
|
||||
|
||||
pw_stream_add_listener (pipewire_stream,
|
||||
&priv->pipewire_stream_listener,
|
||||
@ -1494,7 +1513,9 @@ create_pipewire_stream (MetaScreenCastStreamSrc *src,
|
||||
SPA_ID_INVALID,
|
||||
(PW_STREAM_FLAG_DRIVER |
|
||||
PW_STREAM_FLAG_ALLOC_BUFFERS),
|
||||
params, n_params);
|
||||
(const struct spa_pod **) params->pdata,
|
||||
params->len);
|
||||
|
||||
if (result != 0)
|
||||
{
|
||||
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user