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Improve DMA handling

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This commit is contained in:
Kamil Trzcinski
2022-04-05 14:16:27 +02:00
parent 582f08ba16
commit 5e836612ca
5 changed files with 42 additions and 37 deletions
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12
cmd/camera_direct.c
View File

@ -10,24 +10,22 @@
int camera_configure_direct(camera_t *camera)
{
if (device_open_buffer_list(camera->camera, true, camera->width, camera->height, camera->format, 0, camera->nbufs) < 0) {
if (device_open_buffer_list(camera->camera, true, camera->width, camera->height, camera->format, 0, camera->nbufs, true) < 0) {
return -1;
}
buffer_list_t *src = camera->camera->capture_list;
camera->codec_jpeg = device_open("JPEG", "/dev/video31");
camera->codec_jpeg->buf_sink = true;
camera->codec_h264 = device_open("H264", "/dev/video11");
camera->codec_h264->buf_sink = true;
if (device_open_buffer_list(camera->codec_jpeg, false, src->fmt_width, src->fmt_height, src->fmt_format, src->fmt_bytesperline, camera->nbufs) < 0 ||
device_open_buffer_list(camera->codec_jpeg, true, src->fmt_width, src->fmt_height, V4L2_PIX_FMT_JPEG, 0, camera->nbufs) < 0) {
if (device_open_buffer_list_output(camera->codec_jpeg, src) < 0 ||
device_open_buffer_list_capture(camera->codec_jpeg, src, 1.0, V4L2_PIX_FMT_JPEG, true) < 0) {
return -1;
}
if (device_open_buffer_list(camera->codec_h264, false, src->fmt_width, src->fmt_height, src->fmt_format, src->fmt_bytesperline, camera->nbufs) < 0 ||
device_open_buffer_list(camera->codec_h264, true, src->fmt_width, src->fmt_height, V4L2_PIX_FMT_H264, 0, camera->nbufs) < 0) {
if (device_open_buffer_list_output(camera->codec_h264, src) < 0 ||
device_open_buffer_list_capture(camera->codec_h264, src, 1.0, V4L2_PIX_FMT_H264, true) < 0) {
return -1;
}

18
cmd/camera_isp.c
View File

@ -12,7 +12,7 @@ void write_yuvu(buffer_t *buffer);
int camera_configure_isp(camera_t *camera, float high_div, float low_div)
{
if (device_open_buffer_list(camera->camera, true, camera->width, camera->height, camera->format, 0, camera->nbufs) < 0) {
if (device_open_buffer_list(camera->camera, true, camera->width, camera->height, camera->format, 0, camera->nbufs, true) < 0) {
return -1;
}
@ -22,12 +22,10 @@ int camera_configure_isp(camera_t *camera, float high_div, float low_div)
camera->isp.isp_yuuv = device_open("ISP-YUUV", "/dev/video14");
camera->isp.isp_yuuv->output_device = camera->isp.isp_srgb;
camera->codec_jpeg = device_open("JPEG", "/dev/video31");
camera->codec_jpeg->buf_sink = true;
camera->codec_h264 = device_open("H264", "/dev/video11");
camera->codec_h264->buf_sink = true;
if (device_open_buffer_list(camera->isp.isp_srgb, false, src->fmt_width, src->fmt_height, src->fmt_format, src->fmt_bytesperline, camera->nbufs) < 0 ||
device_open_buffer_list(camera->isp.isp_yuuv, true, src->fmt_width / high_div, src->fmt_height / high_div, V4L2_PIX_FMT_YUYV, 0, camera->nbufs) < 0) {
if (device_open_buffer_list_output(camera->isp.isp_srgb, src) < 0 ||
device_open_buffer_list_capture(camera->isp.isp_yuuv, src, high_div, V4L2_PIX_FMT_YUYV, true) < 0) {
return -1;
}
@ -35,7 +33,7 @@ int camera_configure_isp(camera_t *camera, float high_div, float low_div)
camera->isp.isp_yuuv_low = device_open("ISP-YUUV-LOW", "/dev/video15");
camera->isp.isp_yuuv_low->output_device = camera->isp.isp_srgb;
if (device_open_buffer_list(camera->isp.isp_yuuv_low, true, src->fmt_width / low_div, src->fmt_height / low_div, V4L2_PIX_FMT_YUYV, 0, camera->nbufs) < 0) {
if (device_open_buffer_list_capture(camera->isp.isp_yuuv_low, src, low_div, V4L2_PIX_FMT_YUYV, true) < 0) {
return -1;
}
@ -44,13 +42,13 @@ int camera_configure_isp(camera_t *camera, float high_div, float low_div)
src = camera->isp.isp_yuuv->capture_list;
}
if (device_open_buffer_list(camera->codec_jpeg, false, src->fmt_width, src->fmt_height, src->fmt_format, src->fmt_bytesperline, camera->nbufs) < 0 ||
device_open_buffer_list(camera->codec_jpeg, true, src->fmt_width, src->fmt_height, V4L2_PIX_FMT_JPEG, 0, camera->nbufs) < 0) {
if (device_open_buffer_list_output(camera->codec_jpeg, src) < 0 ||
device_open_buffer_list_capture(camera->codec_jpeg, src, 1.0, V4L2_PIX_FMT_JPEG, true) < 0) {
return -1;
}
if (device_open_buffer_list(camera->codec_h264, false, src->fmt_width, src->fmt_height, src->fmt_format, src->fmt_bytesperline, camera->nbufs) < 0 ||
device_open_buffer_list(camera->codec_h264, true, src->fmt_width, src->fmt_height, V4L2_PIX_FMT_H264, 0, camera->nbufs) < 0) {
if (device_open_buffer_list_output(camera->codec_h264, src) < 0 ||
device_open_buffer_list_capture(camera->codec_h264, src, 1.0, V4L2_PIX_FMT_H264, true) < 0) {
return -1;
}

16
cmd/camera_legacy_isp.c
View File

@ -22,7 +22,7 @@ void write_yuvu(buffer_t *buffer)
int camera_configure_legacy_isp(camera_t *camera, float div)
{
if (device_open_buffer_list(camera->camera, true, camera->width, camera->height, camera->format, 0, camera->nbufs) < 0) {
if (device_open_buffer_list(camera->camera, true, camera->width, camera->height, camera->format, 0, camera->nbufs, true) < 0) {
return -1;
}
@ -30,24 +30,22 @@ int camera_configure_legacy_isp(camera_t *camera, float div)
camera->legacy_isp.isp = device_open("ISP", "/dev/video12");
camera->codec_jpeg = device_open("JPEG", "/dev/video31");
camera->codec_jpeg->buf_sink = true;
camera->codec_h264 = device_open("H264", "/dev/video11");
camera->codec_h264->buf_sink = true;
if (device_open_buffer_list(camera->legacy_isp.isp, false, src->fmt_width, src->fmt_height, src->fmt_format, src->fmt_bytesperline, camera->nbufs) < 0 ||
device_open_buffer_list(camera->legacy_isp.isp, true, src->fmt_width / div, src->fmt_height / div, V4L2_PIX_FMT_YUYV, 0, camera->nbufs) < 0) {
if (device_open_buffer_list_output(camera->legacy_isp.isp, src) < 0 ||
device_open_buffer_list_capture(camera->legacy_isp.isp, src, div, V4L2_PIX_FMT_YUYV, true) < 0) {
return -1;
}
src = camera->legacy_isp.isp->capture_list;
if (device_open_buffer_list(camera->codec_jpeg, false, src->fmt_width, src->fmt_height, src->fmt_format, src->fmt_bytesperline, camera->nbufs) < 0 ||
device_open_buffer_list(camera->codec_jpeg, true, src->fmt_width, src->fmt_height, V4L2_PIX_FMT_JPEG, 0, camera->nbufs) < 0) {
if (device_open_buffer_list_output(camera->codec_jpeg, src) < 0 ||
device_open_buffer_list_capture(camera->codec_jpeg, src, 1.0, V4L2_PIX_FMT_JPEG, true) < 0) {
return -1;
}
if (device_open_buffer_list(camera->codec_h264, false, src->fmt_width, src->fmt_height, src->fmt_format, src->fmt_bytesperline, camera->nbufs) < 0 ||
device_open_buffer_list(camera->codec_h264, true, src->fmt_width, src->fmt_height, V4L2_PIX_FMT_H264, 0, camera->nbufs) < 0) {
if (device_open_buffer_list_output(camera->codec_h264, src) < 0 ||
device_open_buffer_list_capture(camera->codec_h264, src, 1.0, V4L2_PIX_FMT_H264, true) < 0) {
return -1;
}

28
hw/device.c
View File

@ -49,26 +49,23 @@ void device_close(device_t *dev) {
free(dev);
}
int device_open_buffer_list(device_t *dev, bool do_capture, unsigned width, unsigned height, unsigned format, unsigned bytesperline, int nbufs)
int device_open_buffer_list(device_t *dev, bool do_capture, unsigned width, unsigned height, unsigned format, unsigned bytesperline, int nbufs, bool do_mmap)
{
unsigned type;
char name[64];
struct buffer_list_s **buf_list = NULL;
bool do_mmap = false;
if (!dev) {
return -1;
}
if (!dev->allow_dma) {
do_mmap = true;
}
if (do_capture) {
buf_list = &dev->capture_list;
if (dev->buf_sink) {
do_mmap = true;
} else {
do_mmap = dev->allow_dma;
}
if (dev->capture_list) {
E_LOG_ERROR(dev, "The capture_list is already created.");
}
@ -84,7 +81,6 @@ int device_open_buffer_list(device_t *dev, bool do_capture, unsigned width, unsi
}
} else {
buf_list = &dev->output_list;
do_mmap = !dev->allow_dma;
if (dev->output_list) {
E_LOG_ERROR(dev, "The output_list is already created.");
@ -122,6 +118,20 @@ error:
return -1;
}
int device_open_buffer_list_output(device_t *dev, buffer_list_t *capture_list)
{
return device_open_buffer_list(dev, false,
capture_list->fmt_width, capture_list->fmt_height,
capture_list->fmt_format, capture_list->fmt_bytesperline, capture_list->nbufs, !capture_list->do_mmap);
}
int device_open_buffer_list_capture(device_t *dev, buffer_list_t *output_list, float div, unsigned format, bool do_mmap)
{
return device_open_buffer_list(dev, true,
output_list->fmt_width / div, output_list->fmt_height / div,
format, 0, output_list->nbufs, do_mmap);
}
int device_stream(device_t *dev, bool do_on)
{
if (dev->capture_list) {

5
hw/device.h
View File

@ -8,7 +8,6 @@ typedef struct device_s {
int fd;
struct v4l2_capability v4l2_cap;
bool allow_dma;
bool buf_sink;
struct buffer_list_s *capture_list;
struct buffer_list_s *output_list;
@ -20,7 +19,9 @@ typedef struct device_s {
device_t *device_open(const char *name, const char *path);
void device_close(device_t *device);
int device_open_buffer_list(device_t *dev, bool do_capture, unsigned width, unsigned height, unsigned format, unsigned bytesperline, int nbufs);
int device_open_buffer_list(device_t *dev, bool do_capture, unsigned width, unsigned height, unsigned format, unsigned bytesperline, int nbufs, bool do_mmap);
int device_open_buffer_list_output(device_t *dev, struct buffer_list_s *capture_list);
int device_open_buffer_list_capture(device_t *dev, struct buffer_list_s *output_list, float div, unsigned format, bool do_mmap);
int device_consume_event(device_t *device);
int device_stream(device_t *dev, bool do_on);