summaryrefslogtreecommitdiffstats
path: root/ipecamera/data.c
diff options
context:
space:
mode:
Diffstat (limited to 'ipecamera/data.c')
-rw-r--r--ipecamera/data.c287
1 files changed, 0 insertions, 287 deletions
diff --git a/ipecamera/data.c b/ipecamera/data.c
deleted file mode 100644
index 2bcccd5..0000000
--- a/ipecamera/data.c
+++ /dev/null
@@ -1,287 +0,0 @@
-#define _BSD_SOURCE
-#define _GNU_SOURCE
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <sys/time.h>
-#include <pthread.h>
-#include <assert.h>
-
-#include <ufodecode.h>
-
-#include "../tools.h"
-#include "../error.h"
-
-#include "pcilib.h"
-#include "private.h"
-#include "data.h"
-
-// DS: Currently, on event_id overflow we are assuming the buffer is lost
-static int ipecamera_resolve_event_id(ipecamera_t *ctx, pcilib_event_id_t evid) {
- pcilib_event_id_t diff;
-
- if (evid > ctx->event_id) {
- diff = (((pcilib_event_id_t)-1) - ctx->event_id) + evid;
- if (diff >= ctx->buffer_size) return -1;
- } else {
- diff = ctx->event_id - evid;
- if (diff >= ctx->buffer_size) return -1;
- }
-
- // DS: Request buffer_size to be power of 2 and replace to shifts (just recompute in set_buffer_size)
- return (evid - 1) % ctx->buffer_size;
-}
-
-inline static int ipecamera_decode_frame(ipecamera_t *ctx, pcilib_event_id_t event_id) {
- int err = 0;
- size_t res;
- uint16_t *pixels;
-
- int buf_ptr = ipecamera_resolve_event_id(ctx, event_id);
- if (buf_ptr < 0) return PCILIB_ERROR_TIMEOUT;
-
- if (ctx->frame[buf_ptr].event.image_ready) return 0;
-
- if (ctx->frame[buf_ptr].event.info.flags&PCILIB_EVENT_INFO_FLAG_BROKEN) {
- err = PCILIB_ERROR_INVALID_DATA;
- ctx->frame[buf_ptr].event.image_broken = err;
- goto ready;
- }
-
-
- pixels = ctx->image + buf_ptr * ctx->image_size;
- memset(ctx->cmask + ctx->buffer_pos * ctx->dim.height, 0, ctx->dim.height * sizeof(ipecamera_change_mask_t));
-/*
- printf("decoding %lx...\n", ctx->raw_size);
- FILE *f = fopen("/mnt/frame.xxx", "w");
- fwrite(ctx->buffer + buf_ptr * ctx->padded_size, 1, ctx->raw_size, f);
- fclose(f);*/
- res = ufo_decoder_decode_frame(ctx->ipedec, ctx->buffer + buf_ptr * ctx->padded_size, ctx->raw_size, pixels, &ctx->frame[buf_ptr].event.meta);
-// puts("done\n");
- if (!res) {
-#ifdef IPECAMERA_DEBUG_BROKEN_FRAMES
- char name[128];
- sprintf(name, "%s/broken.%4lu", IPECAMERA_DEBUG_BROKEN_FRAMES, ctx->event_id);
- FILE *f = fopen(name, "w");
- if (f) {
- fwrite(ctx->buffer + buf_ptr * ctx->padded_size, ctx->raw_size, 1, f);
- fclose(f);
- }
-#endif /* IPECAMERA_DEBUG_BROKEN_FRAMES */
- err = PCILIB_ERROR_FAILED;
- ctx->frame[buf_ptr].event.image_broken = err;
- goto ready;
- }
-
- ctx->frame[buf_ptr].event.image_broken = 0;
-
-ready:
- ctx->frame[buf_ptr].event.image_ready = 1;
-
- if (ipecamera_resolve_event_id(ctx, event_id) < 0) {
- ctx->frame[buf_ptr].event.image_ready = 0;
- return PCILIB_ERROR_TIMEOUT;
- }
-
- return err;
-}
-
-static int ipecamera_get_next_buffer_to_process(ipecamera_t *ctx, pcilib_event_id_t *evid) {
- int res;
-
- if (ctx->preproc_id == ctx->event_id) return -1;
-
- if (ctx->preproc)
- pthread_mutex_lock(&ctx->preproc_mutex);
-
- if (ctx->preproc_id == ctx->event_id) {
- if (ctx->preproc)
- pthread_mutex_unlock(&ctx->preproc_mutex);
- return -1;
- }
-
- if ((ctx->event_id - ctx->preproc_id) > (ctx->buffer_size - IPECAMERA_RESERVE_BUFFERS)) ctx->preproc_id = ctx->event_id - (ctx->buffer_size - 1 - IPECAMERA_RESERVE_BUFFERS - 1);
-
- res = ctx->preproc_id%ctx->buffer_size;
-
- if (pthread_rwlock_trywrlock(&ctx->frame[res].mutex)) {
- pthread_mutex_unlock(&ctx->preproc_mutex);
- return -1;
- }
-
- *evid = ++ctx->preproc_id;
-
- if (ctx->preproc)
- pthread_mutex_unlock(&ctx->preproc_mutex);
-
- return res;
-}
-
-
-void *ipecamera_preproc_thread(void *user) {
- int buf_ptr;
- pcilib_event_id_t evid;
-
- ipecamera_preprocessor_t *preproc = (ipecamera_preprocessor_t*)user;
- ipecamera_t *ctx = preproc->ipecamera;
-
- while (ctx->run_preprocessors) {
- buf_ptr = ipecamera_get_next_buffer_to_process(ctx, &evid);
- if (buf_ptr < 0) {
- usleep(IPECAMERA_NOFRAME_PREPROC_SLEEP);
- continue;
- }
-
- ipecamera_decode_frame(ctx, evid);
-
- pthread_rwlock_unlock(&ctx->frame[buf_ptr].mutex);
- }
-
- return NULL;
-}
-
-static int ipecamera_get_frame(ipecamera_t *ctx, pcilib_event_id_t event_id) {
- int err;
- int buf_ptr = (event_id - 1) % ctx->buffer_size;
-
- if (ctx->preproc) {
- if (ctx->frame[buf_ptr].event.image_broken)
- return ctx->frame[buf_ptr].event.image_broken;
- } else {
- pthread_rwlock_rdlock(&ctx->frame[buf_ptr].mutex);
-
- err = ipecamera_decode_frame(ctx, event_id);
-
- if (err) {
- pthread_rwlock_unlock(&ctx->frame[buf_ptr].mutex);
- return err;
- }
-
- return 0;
- }
-
-
- while (!ctx->frame[buf_ptr].event.image_ready) {
- usleep(IPECAMERA_NOFRAME_PREPROC_SLEEP);
-
- buf_ptr = ipecamera_resolve_event_id(ctx, event_id);
- if (buf_ptr < 0) return PCILIB_ERROR_OVERWRITTEN;
- }
-
- pthread_rwlock_rdlock(&ctx->frame[buf_ptr].mutex);
-
- buf_ptr = ipecamera_resolve_event_id(ctx, event_id);
- if ((buf_ptr < 0)||(!ctx->frame[buf_ptr].event.image_ready)) {
- pthread_rwlock_unlock(&ctx->frame[buf_ptr].mutex);
- return PCILIB_ERROR_OVERWRITTEN;
- }
-
- return 0;
-}
-
-
-/*
- We will lock the data for non-raw data to prevent ocasional overwritting. The
- raw data will be overwritten by the reader thread anyway and we can't do
- anything to prevent it for performance reasons.
-*/
-int ipecamera_get(pcilib_context_t *vctx, pcilib_event_id_t event_id, pcilib_event_data_type_t data_type, size_t arg_size, void *arg, size_t *size, void **ret) {
- int err;
- int buf_ptr;
- size_t raw_size;
- ipecamera_t *ctx = (ipecamera_t*)vctx;
-
- void *data = *ret;
-
- if (!ctx) {
- pcilib_error("IPECamera imaging is not initialized");
- return PCILIB_ERROR_NOTINITIALIZED;
- }
-
- buf_ptr = ipecamera_resolve_event_id(ctx, event_id);
- if (buf_ptr < 0) return PCILIB_ERROR_OVERWRITTEN;
-
- switch ((ipecamera_data_type_t)data_type) {
- case IPECAMERA_RAW_DATA:
- raw_size = ctx->frame[buf_ptr].event.raw_size;
- if (data) {
- if ((!size)||(*size < raw_size)) return PCILIB_ERROR_TOOBIG;
- memcpy(data, ctx->buffer + buf_ptr * ctx->padded_size, raw_size);
- if (ipecamera_resolve_event_id(ctx, event_id) < 0) return PCILIB_ERROR_OVERWRITTEN;
- *size = raw_size;
- return 0;
- }
- if (size) *size = raw_size;
- *ret = ctx->buffer + buf_ptr * ctx->padded_size;
- return 0;
- case IPECAMERA_IMAGE_DATA:
- err = ipecamera_get_frame(ctx, event_id);
- if (err) return err;
-
- if (data) {
- if ((!size)||(*size < ctx->image_size * sizeof(ipecamera_pixel_t))) return PCILIB_ERROR_TOOBIG;
- memcpy(data, ctx->image + buf_ptr * ctx->image_size, ctx->image_size * sizeof(ipecamera_pixel_t));
- pthread_rwlock_unlock(&ctx->frame[buf_ptr].mutex);
- *size = ctx->image_size * sizeof(ipecamera_pixel_t);
- return 0;
- }
-
- if (size) *size = ctx->image_size * sizeof(ipecamera_pixel_t);
- *ret = ctx->image + buf_ptr * ctx->image_size;
- return 0;
- case IPECAMERA_CHANGE_MASK:
- err = ipecamera_get_frame(ctx, event_id);
- if (err) return err;
-
- if (data) {
- if ((!size)||(*size < ctx->dim.height * sizeof(ipecamera_change_mask_t))) return PCILIB_ERROR_TOOBIG;
- memcpy(data, ctx->image + buf_ptr * ctx->dim.height, ctx->dim.height * sizeof(ipecamera_change_mask_t));
- pthread_rwlock_unlock(&ctx->frame[buf_ptr].mutex);
- *size = ctx->dim.height * sizeof(ipecamera_change_mask_t);
- return 0;
- }
-
- if (size) *size = ctx->dim.height * sizeof(ipecamera_change_mask_t);
- *ret = ctx->cmask + buf_ptr * ctx->dim.height;
- return 0;
- case IPECAMERA_DIMENSIONS:
- if (size) *size = sizeof(ipecamera_image_dimensions_t);
- ret = (void*)&ctx->dim;
- return 0;
- case IPECAMERA_IMAGE_REGION:
- case IPECAMERA_PACKED_IMAGE:
- // Shall we return complete image or only changed parts?
- case IPECAMERA_PACKED_LINE:
- case IPECAMERA_PACKED_PAYLOAD:
- pcilib_error("Support for data type (%li) is not implemented yet", data_type);
- return PCILIB_ERROR_NOTSUPPORTED;
- default:
- pcilib_error("Unknown data type (%li) is requested", data_type);
- return PCILIB_ERROR_INVALID_REQUEST;
- }
-}
-
-
-/*
- We will unlock non-raw data and check if the raw data is not overwritten yet
-*/
-int ipecamera_return(pcilib_context_t *vctx, pcilib_event_id_t event_id, pcilib_event_data_type_t data_type, void *data) {
- ipecamera_t *ctx = (ipecamera_t*)vctx;
-
- if (!ctx) {
- pcilib_error("IPECamera imaging is not initialized");
- return PCILIB_ERROR_NOTINITIALIZED;
-
- }
-
- if ((ipecamera_data_type_t)data_type == IPECAMERA_RAW_DATA) {
- if (ipecamera_resolve_event_id(ctx, event_id) < 0) return PCILIB_ERROR_OVERWRITTEN;
- } else {
- int buf_ptr = (event_id - 1) % ctx->buffer_size;
- pthread_rwlock_unlock(&ctx->frame[buf_ptr].mutex);
- }
-
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 10:24:41 +0000