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treewide: access the position information using helpers

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Make sure we don't access out of bounds and that we use the helpers
wherever we can to access the position information.
This commit is contained in:
Wim Taymans 2025-10-21 13:06:25 +02:00
parent 8bbca3b8f3
commit 818d1435ce
25 changed files with 155 additions and 114 deletions
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10
spa/plugins/bluez5/bluez5-device.c
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@ -26,6 +26,7 @@
#include <spa/pod/parser.h>
#include <spa/param/param.h>
#include <spa/param/audio/raw.h>
#include <spa/param/audio/raw-utils.h>
#include <spa/param/bluetooth/audio.h>
#include <spa/param/bluetooth/type-info.h>
#include <spa/debug/pod.h>
@ -451,7 +452,8 @@ static int node_offload_set_active(struct node *node, bool active)
return res;
}
static void get_channels(struct spa_bt_transport *t, bool a2dp_duplex, uint32_t *n_channels, uint32_t *channels)
static void get_channels(struct spa_bt_transport *t, bool a2dp_duplex, uint32_t *n_channels, uint32_t *channels,
uint32_t max_channels)
{
const struct media_codec *codec;
struct spa_audio_info info = { 0 };
@ -473,9 +475,7 @@ static void get_channels(struct spa_bt_transport *t, bool a2dp_duplex, uint32_t
return;
}
*n_channels = info.info.raw.channels;
memcpy(channels, info.info.raw.position,
info.info.raw.channels * sizeof(uint32_t));
*n_channels = spa_format_audio_raw_copy_positions(&info.info.raw, channels, max_channels);
}
static const char *get_channel_name(uint32_t channel)
@ -686,7 +686,7 @@ static void emit_node(struct impl *this, struct spa_bt_transport *t,
this->nodes[id].active = true;
this->nodes[id].offload_acquired = false;
this->nodes[id].a2dp_duplex = a2dp_duplex;
get_channels(t, a2dp_duplex, &this->nodes[id].n_channels, this->nodes[id].channels);
get_channels(t, a2dp_duplex, &this->nodes[id].n_channels, this->nodes[id].channels, MAX_CHANNELS);
if (this->nodes[id].transport)
spa_hook_remove(&this->nodes[id].transport_listener);
this->nodes[id].transport = t;