esp32_camera_web_server: Improve support for MotionEye (#2777)

This commit is contained in:
Kamil Trzciński 2021-11-22 00:09:11 +01:00 committed by Jesse Hills
parent 3178243811
commit 3a72dd5cb6
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GPG key ID: BEAAE804EFD8E83A

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@ -21,12 +21,19 @@ static const char *const TAG = "esp32_camera_web_server";
#define CONTENT_TYPE "image/jpeg"
#define CONTENT_LENGTH "Content-Length"
static const char *const STREAM_HEADER =
"HTTP/1.1 200\r\nAccess-Control-Allow-Origin: *\r\nContent-Type: multipart/x-mixed-replace;boundary=" PART_BOUNDARY
"\r\n";
static const char *const STREAM_500 = "HTTP/1.1 500\r\nContent-Type: text/plain\r\n\r\nNo frames send.\r\n";
static const char *const STREAM_BOUNDARY = "\r\n--" PART_BOUNDARY "\r\n";
static const char *const STREAM_HEADER = "HTTP/1.0 200 OK\r\n"
"Access-Control-Allow-Origin: *\r\n"
"Connection: close\r\n"
"Content-Type: multipart/x-mixed-replace;boundary=" PART_BOUNDARY "\r\n"
"\r\n"
"--" PART_BOUNDARY "\r\n";
static const char *const STREAM_ERROR = "Content-Type: text/plain\r\n"
"\r\n"
"No frames send.\r\n"
"--" PART_BOUNDARY "\r\n";
static const char *const STREAM_PART = "Content-Type: " CONTENT_TYPE "\r\n" CONTENT_LENGTH ": %u\r\n\r\n";
static const char *const STREAM_BOUNDARY = "\r\n"
"--" PART_BOUNDARY "\r\n";
CameraWebServer::CameraWebServer() {}
@ -45,6 +52,7 @@ void CameraWebServer::setup() {
config.ctrl_port = this->port_;
config.max_open_sockets = 1;
config.backlog_conn = 2;
config.lru_purge_enable = true;
if (httpd_start(&this->httpd_, &config) != ESP_OK) {
mark_failed();
@ -172,9 +180,6 @@ esp_err_t CameraWebServer::streaming_handler_(struct httpd_req *req) {
ESP_LOGW(TAG, "STREAM: failed to acquire frame");
res = ESP_FAIL;
}
if (res == ESP_OK) {
res = httpd_send_all(req, STREAM_BOUNDARY, strlen(STREAM_BOUNDARY));
}
if (res == ESP_OK) {
size_t hlen = snprintf(part_buf, 64, STREAM_PART, image->get_data_length());
res = httpd_send_all(req, part_buf, hlen);
@ -182,6 +187,9 @@ esp_err_t CameraWebServer::streaming_handler_(struct httpd_req *req) {
if (res == ESP_OK) {
res = httpd_send_all(req, (const char *) image->get_data_buffer(), image->get_data_length());
}
if (res == ESP_OK) {
res = httpd_send_all(req, STREAM_BOUNDARY, strlen(STREAM_BOUNDARY));
}
if (res == ESP_OK) {
frames++;
int64_t frame_time = millis() - last_frame;
@ -193,7 +201,7 @@ esp_err_t CameraWebServer::streaming_handler_(struct httpd_req *req) {
}
if (!frames) {
res = httpd_send_all(req, STREAM_500, strlen(STREAM_500));
res = httpd_send_all(req, STREAM_ERROR, strlen(STREAM_ERROR));
}
ESP_LOGI(TAG, "STREAM: closed. Frames: %u", frames);