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author | Franklin Wei <franklin@rockbox.org> | 2019-08-08 00:10:34 -0400 |
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committer | Franklin Wei <franklin@rockbox.org> | 2019-08-08 00:10:34 -0400 |
commit | 1dabca6c267c2f8dfc8c0fb9269877856c00d4f1 (patch) | |
tree | b753791d899c2bc7792ddc0bc6a3c613f5bee93d /apps/plugins/sdl | |
parent | cd77d9283f1a7342efc3b04f0822c4c007cec793 (diff) | |
download | rockbox-1dabca6c267c2f8dfc8c0fb9269877856c00d4f1.tar.gz rockbox-1dabca6c267c2f8dfc8c0fb9269877856c00d4f1.zip |
sdl: document some pointer voodoo
This was lifted straight from pictureflow...
Change-Id: Ie09184390e6fcea007e7daea001f075de307f878
Diffstat (limited to 'apps/plugins/sdl')
-rw-r--r-- | apps/plugins/sdl/main.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/apps/plugins/sdl/main.c b/apps/plugins/sdl/main.c index 69a7e71d11..4ae640356d 100644 --- a/apps/plugins/sdl/main.c +++ b/apps/plugins/sdl/main.c | |||
@@ -196,6 +196,8 @@ enum plugin_status plugin_start(const void *param) | |||
196 | size_t sz; | 196 | size_t sz; |
197 | audiobuf = rb->plugin_get_audio_buffer(&sz); | 197 | audiobuf = rb->plugin_get_audio_buffer(&sz); |
198 | #if (CONFIG_PLATFORM & PLATFORM_NATIVE) | 198 | #if (CONFIG_PLATFORM & PLATFORM_NATIVE) |
199 | /* We are loaded as an overlay towards the end of the audio | ||
200 | * buffer. We must take care not to overwrite ourselves. */ | ||
199 | if ((uintptr_t)audiobuf < (uintptr_t)plugin_start_addr) | 201 | if ((uintptr_t)audiobuf < (uintptr_t)plugin_start_addr) |
200 | { | 202 | { |
201 | uint32_t tmp_size = (uintptr_t)plugin_start_addr - (uintptr_t)audiobuf; | 203 | uint32_t tmp_size = (uintptr_t)plugin_start_addr - (uintptr_t)audiobuf; |