Fix sound/spustream, update README and changelog

3 files changed, 16 insertions, 13 deletions

diff --git a/examples/README.md b/examples/README.md
index b63b2a9..ade94b0 100644
--- a/examples/README.md
+++ b/examples/README.md
@@ -24,7 +24,8 @@ Additional information may be found in the source code of each example.
 | [`io/pads`](./io/pads)                         | Demonstrates reading controllers via low-level access | EXE  |   3   |
 | [`io/system573`](./io/system573)               | Konami System 573 (PS1-based arcade board) example    | CD   |       |
 | [`lowlevel/cartrom`](./lowlevel/cartrom)       | ROM firmware for cheat devices written using GNU GAS  | ROM  |   4   |
-| [`mdec/mdecimage`](./mdec/mdecimage)           | Displays a (raw) MDEC format image using libpsxpress  | EXE  |       |
+| [`mdec/mdecimage`](./mdec/mdecimage)           | Displays a (raw) MDEC format image                    | EXE  |       |
+| [`mdec/strvideo`](./mdec/strvideo)             | Plays a .STR video file using the MDEC                | CD   |   1   |
 | [`sound/spustream`](./sound/spustream)         | Custom (non XA) CD-ROM audio streaming using the SPU  | CD   |       |
 | [`sound/vagsample`](./sound/vagsample)         | Demonstrates playing VAG sound files using the SPU    | EXE  |       |
 | [`system/childexec`](./system/childexec)       | Loading a child program and returning to parent       | EXE  |       |
@@ -35,9 +36,9 @@ Additional information may be found in the source code of each example.
 
 Notes:
 
-1. `cdrom/cdxa` does not come with an example XA audio file. In order to run
-   this example you'll have to provide your own file and build the CD image
-   manually.
+1. `cdrom/cdxa` and  `mdec/strvideo` do not come with example files. In order
+   to run these examples you'll have to provide your own files and build the CD
+   image manually.
 2. `demos/n00bdemo` suffers from flickering on real hardware, especially when
    masking/stencil buffering is used.
 3. `io/pads` seems to work on real hardware, but fails to automatically enable
@@ -84,4 +85,4 @@ are for rebuilding the examples *after* the SDK has been installed.
    CD images for each example.
 
 -----------------------------------------
-_Last updated on 2022-10-11 by spicyjpeg_
+_Last updated on 2022-10-16 by spicyjpeg_
diff --git a/examples/io/pads/spi.c b/examples/io/pads/spi.c
index 133782c..292e682 100644
--- a/examples/io/pads/spi.c
+++ b/examples/io/pads/spi.c
@@ -46,9 +46,9 @@ typedef struct _SPI_Context {
 	SPI_Callback	callback;
 } SPI_Context;
 
-static volatile SPI_Context				_context;
-static volatile SPI_Request volatile	*_current_req;
-static volatile SPI_Callback			_default_cb;
+static volatile SPI_Context  _context;
+static volatile SPI_Request  *_current_req;
+static volatile SPI_Callback _default_cb;
 
 /* Request queue management */
 
diff --git a/examples/sound/spustream/main.c b/examples/sound/spustream/main.c
index acd4f60..1fee883 100644
--- a/examples/sound/spustream/main.c
+++ b/examples/sound/spustream/main.c
@@ -181,12 +181,14 @@ void display(RenderContext *ctx) {
 #define CHUNK_SIZE			(BUFFER_SIZE * NUM_CHANNELS)
 
 typedef struct {
-	int lba, length, pos;
-	int spu_addr, spu_pos;
-	int db_active;
+	int lba, length;
+
+	volatile int pos;
+	volatile int spu_addr, spu_pos;
+	volatile int db_active;
 } StreamContext;
 
-static volatile StreamContext str_ctx;
+static StreamContext str_ctx;
 
 // This buffer is used by cd_event_handler() as a temporary area for sectors
 // read from the CD and uploaded to SPU RAM. Due to DMA limitations it can't be
@@ -328,8 +330,8 @@ void start_stream(void) {
 	SPU_CH_VOL_L(1) = 0x0000;
 	SPU_CH_VOL_R(1) = 0x3fff;
 
-	spu_irq_handler();
 	SPU_KEY_ON = CHANNEL_MASK;
+	spu_irq_handler();
 }
 
 // This is basically a variant of reset_spu_channels() that only resets the