[Spice-devel] [PATCH spice-gtk 1/2] spice-client-gtk-module: allow sending multiple preferred video codecs
Kevin Pouget
kpouget at redhat.com
Thu Jul 11 09:44:47 UTC 2019
spice_display_channel_change_preferred_video_codec_types: new function
for sending an array of video codecs instead of only one.
Signed-off-by: Kevin Pouget <kpouget at redhat.com>
---
this is the version that was pushed
---
doc/reference/spice-gtk-sections.txt | 1 +
src/channel-display.c | 77 +++++++++++++++++++++++-----
src/channel-display.h | 2 +
src/map-file | 1 +
src/spice-glib-sym-file | 1 +
5 files changed, 69 insertions(+), 13 deletions(-)
diff --git a/doc/reference/spice-gtk-sections.txt b/doc/reference/spice-gtk-sections.txt
index a0336aa..33f4038 100644
--- a/doc/reference/spice-gtk-sections.txt
+++ b/doc/reference/spice-gtk-sections.txt
@@ -185,6 +185,7 @@ spice_display_change_preferred_compression
spice_display_channel_change_preferred_compression
spice_display_change_preferred_video_codec_type
spice_display_channel_change_preferred_video_codec_type
+spice_display_channel_change_preferred_video_codec_types
spice_gl_scanout_free
<SUBSECTION Standard>
SPICE_DISPLAY_CHANNEL
diff --git a/src/channel-display.c b/src/channel-display.c
index 9a83c53..44555e3 100644
--- a/src/channel-display.c
+++ b/src/channel-display.c
@@ -20,6 +20,7 @@
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
+#include <glib/gi18n-lib.h>
#include "spice-client.h"
#include "spice-common.h"
@@ -610,18 +611,15 @@ void spice_display_channel_change_preferred_compression(SpiceChannel *channel, g
}
static void spice_display_send_client_preferred_video_codecs(SpiceChannel *channel,
- const GArray *codecs)
+ const gint *codecs, gsize ncodecs)
{
- guint i;
SpiceMsgOut *out;
SpiceMsgcDisplayPreferredVideoCodecType *msg;
msg = g_malloc0(sizeof(SpiceMsgcDisplayPreferredVideoCodecType) +
- (sizeof(SpiceVideoCodecType) * codecs->len));
- msg->num_of_codecs = codecs->len;
- for (i = 0; i < codecs->len; i++) {
- msg->codecs[i] = g_array_index(codecs, gint, i);
- }
+ (sizeof(SpiceVideoCodecType) * ncodecs));
+ msg->num_of_codecs = ncodecs;
+ memcpy(msg->codecs, codecs, sizeof(*codecs) * ncodecs);
out = spice_msg_out_new(channel, SPICE_MSGC_DISPLAY_PREFERRED_VIDEO_CODEC_TYPE);
out->marshallers->msgc_display_preferred_video_codec_type(out->marshaller, msg);
@@ -656,11 +654,10 @@ void spice_display_change_preferred_video_codec_type(SpiceChannel *channel, gint
* display channel.
*
* Since: 0.35
+ * Deprecated: 0.38: use spice_display_channel_change_preferred_video_codec_types() instead.
*/
void spice_display_channel_change_preferred_video_codec_type(SpiceChannel *channel, gint codec_type)
{
- GArray *codecs;
-
g_return_if_fail(SPICE_IS_DISPLAY_CHANNEL(channel));
g_return_if_fail(codec_type >= SPICE_VIDEO_CODEC_TYPE_MJPEG &&
codec_type < SPICE_VIDEO_CODEC_TYPE_ENUM_END);
@@ -675,10 +672,64 @@ void spice_display_channel_change_preferred_video_codec_type(SpiceChannel *chann
* This array can be rearranged to have @codec_type in the front (which is
* the preferred for the client side) */
CHANNEL_DEBUG(channel, "changing preferred video codec type to %s", gst_opts[codec_type].name);
- codecs = g_array_new(FALSE, FALSE, sizeof(gint));
- g_array_append_val(codecs, codec_type);
- spice_display_send_client_preferred_video_codecs(channel, codecs);
- g_array_unref(codecs);
+ spice_display_send_client_preferred_video_codecs(channel, &codec_type, 1);
+}
+
+/**
+ * spice_display_channel_change_preferred_video_codecs_types:
+ * @channel: a #SpiceDisplayChannel
+ * @codecs: an array of @ncodecs #SpiceVideoCodecType types
+ * @ncodecs: the number of codec types in the @codecs array
+ * @err: #GError describing the reason why the change failed
+ *
+ * Tells the spice server the ordered preferred video codec types to
+ * use for streaming in @channel.
+ *
+ * Returns: %TRUE if the preferred codec list was successfully changed, and %FALSE
+ * otherwise.
+ *
+ * Since: 0.38
+ */
+gboolean spice_display_channel_change_preferred_video_codec_types(SpiceChannel *channel,
+ const gint *codecs, gsize ncodecs,
+ GError **err)
+{
+ gsize i;
+ GString *msg;
+
+ g_return_val_if_fail(SPICE_IS_DISPLAY_CHANNEL(channel), FALSE);
+ g_return_val_if_fail(ncodecs != 0, FALSE);
+
+ if (!spice_channel_test_capability(channel, SPICE_DISPLAY_CAP_PREF_VIDEO_CODEC_TYPE)) {
+ CHANNEL_DEBUG(channel, "does not have capability to change the preferred video codec type");
+ g_set_error_literal(err, SPICE_CLIENT_ERROR, SPICE_CLIENT_ERROR_FAILED,
+ _("Channel does not have capability to change the preferred video codec type"));
+
+ return FALSE;
+ }
+
+ msg = g_string_new("changing preferred video codec type to: ");
+ for (i = 0; i < ncodecs; i++) {
+ gint codec_type = codecs[i];
+
+ if (codec_type < SPICE_VIDEO_CODEC_TYPE_MJPEG ||
+ codec_type >= SPICE_VIDEO_CODEC_TYPE_ENUM_END) {
+ g_string_free(msg, TRUE);
+ g_set_error(err, SPICE_CLIENT_ERROR, SPICE_CLIENT_ERROR_FAILED,
+ _("Invalid codec-type found (%d) ... "), codec_type);
+
+ return FALSE;
+ }
+
+ g_string_append_printf(msg, "%s ", gst_opts[codec_type].name);
+
+ }
+ CHANNEL_DEBUG(channel, "%s", msg->str);
+ g_string_free(msg, TRUE);
+
+ spice_display_send_client_preferred_video_codecs(channel, codecs, ncodecs);
+
+ return TRUE;
}
/**
diff --git a/src/channel-display.h b/src/channel-display.h
index 5b48d2f..cf18538 100644
--- a/src/channel-display.h
+++ b/src/channel-display.h
@@ -150,6 +150,8 @@ gboolean spice_display_channel_get_primary(SpiceChannel *channel, guint32
void spice_display_channel_change_preferred_compression(SpiceChannel *channel, gint compression);
void spice_display_channel_change_preferred_video_codec_type(SpiceChannel *channel, gint codec_type);
+gboolean spice_display_channel_change_preferred_video_codec_types(SpiceChannel *channel, const gint *codecs,
+ gsize ncodecs, GError **err);
GType spice_gl_scanout_get_type (void) G_GNUC_CONST;
void spice_gl_scanout_free (SpiceGlScanout *scanout);
diff --git a/src/map-file b/src/map-file
index 500683c..3cb9873 100644
--- a/src/map-file
+++ b/src/map-file
@@ -25,6 +25,7 @@ spice_display_change_preferred_compression;
spice_display_change_preferred_video_codec_type;
spice_display_channel_change_preferred_compression;
spice_display_channel_change_preferred_video_codec_type;
+spice_display_channel_change_preferred_video_codec_types;
spice_display_channel_get_gl_scanout;
spice_display_channel_get_primary;
spice_display_channel_get_type;
diff --git a/src/spice-glib-sym-file b/src/spice-glib-sym-file
index 2df1cc0..c3b2561 100644
--- a/src/spice-glib-sym-file
+++ b/src/spice-glib-sym-file
@@ -23,6 +23,7 @@ spice_display_change_preferred_compression
spice_display_change_preferred_video_codec_type
spice_display_channel_change_preferred_compression
spice_display_channel_change_preferred_video_codec_type
+spice_display_channel_change_preferred_video_codec_types
spice_display_channel_get_gl_scanout
spice_display_channel_get_primary
spice_display_channel_get_type
--
2.21.0
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