libnx v4.9.0
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capssc.h
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1/**
2 * @file capssc.h
3 * @brief Screenshot control (caps:sc) service IPC wrapper.
4 * @author yellows8
5 * @copyright libnx Authors
6 */
7#pragma once
8#include "../types.h"
9#include "../sf/service.h"
10#include "vi.h"
11
12#define CAPSSC_JPEG_BUFFER_SIZE 0x80000
13
14/// Initialize caps:sc. Only available on [2.0.0+].
16
17/// Exit caps:sc.
18void capsscExit(void);
19
20/// Gets the Service for caps:sc.
22
23/**
24 * @brief This takes a screenshot, with the screenshot being written into the output buffer.
25 * @note Not available with [5.0.0+] (stubbed).
26 * @note buffer_index and buffer_count correspond to buffers with size 0x384000(1280*720*4). These must not be negative.
27 * @param buf Output buffer containing the RGBA8 image.
28 * @param size Size of buf, should be 0x384000(1280*720*4) * buffer_count.
29 * @param layer_stack \ref ViLayerStack
30 * @param width Image width, must be 1280.
31 * @param height Image height, must be 720.
32 * @param buffer_count Total number of output image buffers.
33 * @param buffer_index Starting image buffer index. Must be < buffer_count.
34 * @param timeout Timeout in nanoseconds. A default value of 100000000 can be used.
35 */
36Result capsscCaptureRawImageWithTimeout(void* buf, size_t size, ViLayerStack layer_stack, u64 width, u64 height, s64 buffer_count, s64 buffer_index, s64 timeout);
37
38/**
39 * @brief This takes a raw screenshot, with the screenshot being held until \ref capsscCloseRawScreenShotReadStream is called.
40 * @note Only available on [3.0.0+]. Requires debug mode.
41 * @param out_size Pointer to write the size of the captured raw image to. Always 0x384000(1280*720*4).
42 * @param out_width Pointer to write the width of the captured raw image to. Always 1280.
43 * @param out_height Pointer to write the height of the captured raw image to. Always 720.
44 * @param layer_stack \ref ViLayerStack
45 * @param timeout Timeout in nanoseconds.
46 */
47Result capsscOpenRawScreenShotReadStream(u64 *out_size, u64 *out_width, u64 *out_height, ViLayerStack layer_stack, s64 timeout);
48
49/**
50 * @brief Discards a stream opened by \ref capsscOpenRawScreenShotReadStream.
51 * @note Only available on [3.0.0+]. Requires debug mode.
52 */
54
55/**
56 * @brief Reads from a stream opened by \ref capsscOpenRawScreenShotReadStream.
57 * @note Only available on [3.0.0+]. Requires debug mode.
58 * @param bytes_read Pointer to write the amounts of bytes written to buffer.
59 * @param buf Output buffer containing the RGBA8 image.
60 * @param size Size of buf.
61 * @param offset Offset in image where read should start.
62 */
63Result capsscReadRawScreenShotReadStream(u64 *bytes_read, void* buf, size_t size, u64 offset);
64
65/**
66 * @brief This takes a screenshot, with the screenshot being written as jpeg into the output buffer.
67 * @note Only available on [9.0.0+]. Requires debug mode before [10.0.0].
68 * @param out_jpeg_size Pointer to write the size of the captured jpeg to.
69 * @param jpeg_buf Output buffer containing the JPEG image.
70 * @param jpeg_buf_size Size of jpeg_buf, official software uses 0x80000.
71 * @param layer_stack \ref ViLayerStack
72 * @param timeout Timeout in nanoseconds.
73 */
74Result capsscCaptureJpegScreenShot(u64* out_jpeg_size, void* jpeg_buf, size_t jpeg_buf_size, ViLayerStack layer_stack, s64 timeout);
Result capsscOpenRawScreenShotReadStream(u64 *out_size, u64 *out_width, u64 *out_height, ViLayerStack layer_stack, s64 timeout)
This takes a raw screenshot, with the screenshot being held until capsscCloseRawScreenShotReadStream ...
Result capsscCloseRawScreenShotReadStream(void)
Discards a stream opened by capsscOpenRawScreenShotReadStream.
Result capsscReadRawScreenShotReadStream(u64 *bytes_read, void *buf, size_t size, u64 offset)
Reads from a stream opened by capsscOpenRawScreenShotReadStream.
Result capsscCaptureJpegScreenShot(u64 *out_jpeg_size, void *jpeg_buf, size_t jpeg_buf_size, ViLayerStack layer_stack, s64 timeout)
This takes a screenshot, with the screenshot being written as jpeg into the output buffer.
Service * capsscGetServiceSession(void)
Gets the Service for caps:sc.
Result capsscCaptureRawImageWithTimeout(void *buf, size_t size, ViLayerStack layer_stack, u64 width, u64 height, s64 buffer_count, s64 buffer_index, s64 timeout)
This takes a screenshot, with the screenshot being written into the output buffer.
void capsscExit(void)
Exit caps:sc.
Result capsscInitialize(void)
Initialize caps:sc. Only available on [2.0.0+].
Service object structure.
Definition service.h:14
int64_t s64
64-bit signed integer.
Definition types.h:28
uint64_t u64
64-bit unsigned integer.
Definition types.h:22
u32 Result
Function error code result type.
Definition types.h:44
Display (vi:*) service IPC wrapper.
ViLayerStack
Used as argument to many capture functions.
Definition vi.h:61