I updated camera_pins.h with t-camera pins from LilyGO.

If you are happy to include, the updated file is at: https://pastebin.com/MMXXxt6E

Tested on my t-camera v1.6.2 and works a treat.

Pin definitions borrowed from https://github.com/lewisxhe/esp32-camera-series.

Hi and thanks for this very great Library.
I have made a small modification in order to work with MQTT in my SmartHome. It integrates perfectly with NodeRED.
Only issue I have is to save/record video for a given time, e.g. „whenever I notice motion I like to record e.g. 5min Video“.
I have tried server-side with ffmpeg but it seems to drop to many frames and is way to slow to capture 24fps…
I have seen other libraries to save on sd, but they don‘t serve multi-streaming what is needed in order to work with Apple HomeKit :-)
So question would be, is there a way to set a flag and just write pictures from buffer to SD without affecting the streaming performance? No need for FTP or other to download (even this would be very nice too) first hand as I could just eject the SD…
Any other suggestions are more than welcome.
Thanks in advance.

Hello,

trying to attach interrupt for a button
///
interrupt function:
///
static void IRAM_ATTR buttonPressed(void * arg) {
Serial.println("handler on");
}
///
in setup after esp_camera_init :
///
gpio_set_pull_mode(GPIO_NUM_2, GPIO_PULLUP_ONLY);
gpio_set_intr_type(GPIO_NUM_2, GPIO_INTR_ANYEDGE);
gpio_isr_handler_add(GPIO_NUM_2, &buttonPressed, (void *) GPIO_NUM_2);
////
and on any pin after button pressing code falls to Guru Meditation:
////
09:51:02.316 -> Guru Meditation Error: Core 1 panic'ed (Interrupt wdt timeout on CPU1)
09:51:02.549 -> Core 1 register dump:
09:51:02.549 -> PC : 0x400923f2 PS : 0x00060334 A0 : 0x8009160f A1 : 0x3ffc0db0
09:51:02.549 -> A2 : 0x3ffdac24 A3 : 0x3ffbc798 A4 : 0x00000001 A5 : 0x00000001
09:51:02.549 -> A6 : 0x00060323 A7 : 0x00000000 A8 : 0x3ffbc798 A9 : 0x3ffbc798
09:51:02.549 -> A10 : 0x00000019 A11 : 0x00000019 A12 : 0x00000001 A13 : 0x00000001
09:51:02.549 -> A14 : 0x00060321 A15 : 0x00000000 SAR : 0x00000008 EXCCAUSE: 0x00000006
09:51:02.549 -> EXCVADDR: 0x00000000 LBEG : 0x4008c778 LEND : 0x4008c794 LCOUNT : 0xffffffff
09:51:02.549 -> Core 1 was running in ISR context:
09:51:02.549 -> EPC1 : 0x40138b43 EPC2 : 0x00000000 EPC3 : 0x00000000 EPC4 : 0x400923f2
09:51:02.549 ->
09:51:02.549 -> ELF file SHA256: 0000000000000000
09:51:02.549 ->
09:51:02.549 -> Backtrace: 0x400923f2:0x3ffc0db0 0x4009160c:0x3ffc0dd0 0x4008f5a3:0x3ffc0df0 0x40138ac1:0x3ffc0e30 0x4012572b:0x3ffc0e50 0x40139abd:0x3ffc0e80 0x4013a0cd:0x3ffc0ea0 0x40127998:0x3ffc0ee0 0x4012816d:0x3ffc0f10 0x400d8485:0x3ffc0f30 0x4015e97d:0x3ffc0f70 0x400dfe6b:0x3ffc0f90 0x400dfec9:0x3ffc0fc0 0x400e002b:0x3ffc0fe0 0x40081454:0x3ffc1000 0x40088ca9:0x3ffc1020 0x4008a359:0x3ffc1040 0x4015fb63:0x3ffbc680 0x401478a3:0x3ffbc6a0 0x4009129d:0x3ffbc6c0 0x4008f76a:0x3ffbc6e0
09:51:02.549 ->
09:51:02.549 -> Core 0 register dump:
09:51:02.549 -> PC : 0x400907de PS : 0x00060e34 A0 : 0x80091c4d A1 : 0x3ffb4ce0
09:51:02.549 -> A2 : 0x3ffc0428 A3 : 0x0000cdcd A4 : 0xb33fffff A5 : 0x00000001
09:51:02.549 -> A6 : 0x00060e23 A7 : 0x0000abab A8 : 0x0000cdcd A9 : 0x3ffb4cf0
09:51:02.549 -> A10 : 0x3ffdaeec A11 : 0x3ffdaeec A12 : 0x00060620 A13 : 0xef913416
09:51:02.549 -> A14 : 0x00000000 A15 : 0x65746174 SAR : 0x00000010 EXCCAUSE: 0x00000006
09:51:02.549 -> EXCVADDR: 0x00000000 LBEG : 0x4008c778 LEND : 0x4008c794 LCOUNT : 0x00000000
09:51:02.549 ->
09:51:02.549 -> ELF file SHA256: 0000000000000000
09:51:02.549 ->
09:51:02.549 -> Backtrace: 0x400907de:0x3ffb4ce0 0x40091c4a:0x3ffb4d10 0x4008f50b:0x3ffb4d30 0x401389ea:0x3ffb4d70 0x40138cd8:0x3ffb4d90 0x40128954:0x3ffb4db0 0x401289b2:0x3ffb4dd0 0x4012fee4:0x3ffb4df0 0x401304c4:0x3ffb4e20 0x4013a8ae:0x3ffb4e90 0x4013b993:0x3ffb4eb0 0x40125599:0x3ffb4ed0 0x4008f76a:0x3ffb4f00
09:51:02.549 ->
09:51:02.549 -> Rebooting...
///

what it could be?..

Hi. How are you? Hope you doing well.

I started new fork which based on your repo and want to mix out EmbUI framework with esp32-mjpeg-multiclient code. I prefered working in the VS-Code + PIO, so had migrated your code into it. In addition EmbUI using ESPAsyncWebServer instead Webserver, so I changed some calls as well. Now all partially worked, but unfortuanetelly I have broking output only small part of buffer. Can you look at code or provide an example for ESPAsyncWebServer?

And many thanks for your work!

Hi,

Is there a way to add CORS request headers to allow the webcam to a embedded on another page?
I tried server.sendHeader("Access-Control-Allow-Origin", "*"); and server.enableCrossOrigin(true); but it doesn't seem to be sending the correct headers because the code currently uses the WifiClient client object to send data and I can't find a premade way to change the WifiClient header.

I like your project, though I have to admit the installation procedue was a little bit unusual and error prone. And if I want to update to new drivers, then I have to look closely at those steps again. I believe the proper way to include other projects with git is to use git submodules. And keep those other projects in a separate folder. That makes it easy to install and update to newer drivers, and also makes it clear what files belong to this git project and which files belong to upstream developers.

I'm troubleshooting numerous errors. After several "multiple definition" errors when compiling, I deleted and reloaded everything IDE-wide ESP32, and now I start off with compile error "no such file..." for esp_err.h. Then I look and see

#include "esp_err.h"
#include "driver/ledc.h"
#include "sensor.h"
#include "sys/time.h"

Maybe I'm missing something, but I don't see those four files supplied by either you or Espressif. Did Espressif remove them from this version 1.0.6 Library, I wonder?

So I'm looking closer at your instructions.

You say "Recompiled with ESP32 Arduino Core 1.0.5". Do you mean "Recompiled with ESP32 Espressif Core [Boards Manager] 1.0.5"? Because after that sentence, when people follow your instructions to "Download latest ZIP file from https://github.com/espressif/esp32-camera.git into the esp32-cam subfolder", they get Library (not Boards) Manager content in ver. 1.0.6. The only way I can see to get ESP32 ver 1.0.5 of anything is through the Arduino IDE Boards Manager getting Espressif as I quoted above.

I also wonder if, or why not do I need anything ESP8266?

I will eventually fix all of this...I always do. But if you can think about this and give some more details it might save me a month.

Thank you!

Hi, compiling your original examples work fine on my debian laptop! All of them compiles and when uploaded to my esp-eye it works. But if I follow the guide to update it doesn't compile anymore:

Download latest ZIP file from https://github.com/espressif/esp32-camera.git into the esp32-cam subfolder
Delete examples folder from the archive
unzip using unzip -j esp32-cam-master.zip command. This will place all files in the same folder

It complains
soc/system_reg.h: No such file or directory

Any guidance really appreciated,
Best regards, Walter

I believe I followed your instructions correctly. But I get this when trying to compile:

ll_cam.c:384:34: error: 'CONFIG_CAMERA_DMA_BUFFER_SIZE_MAX' undeclared (first use in this function)
     size_t dma_half_buffer_max = CONFIG_CAMERA_DMA_BUFFER_SIZE_MAX / 2 / cam->dma_bytes_per_item;
                                  ^
sketch/ll_cam.c:384:34: note: each undeclared identifier is reported only once for each function it appears in
exit status 1
'CONFIG_CAMERA_DMA_BUFFER_SIZE_MAX' undeclared (first use in this function)

Note, the zip I downloaded was last updated two dates ago (tree is at this commit: https://github.com/espressif/esp32-camera/tree/6a9497bbe909165663d958986e621e98dabcf994)

There is a huge amount of delay in the web stream through browser, 5-10 seconds and frame rate is very poor. With standard example webcam sketch i can get ~4-8 fps with uxga, is there something i am missing?

I would like to add the ability to return a single jpg 'snapshot'.
It seems like it would just be adding a new route to return a single image.
Any tips before I jump into the code?

Again, very nice 'proof of concept'!

When using the Ai Thinker module the "Flash" Led was pulsing during use (maybe due to bad pulldown resistors in my board or the base of the transistor driving the white LED, IDK) ....

pulsing and blinking stopped when adding:

#if defined(CAMERA_MODEL_AI_THINKER) pinMode(4, OUTPUT); //Led Flash in gpio4 digitalWrite(4, LOW); #endif
in void Setup()

Tried both the esp32-cam and esp32-cam-allframes sketches but in both instances I'm unable to connect to the WIFI network. The following output is from the serial monitor using an AI thinker board. Any ideas?

rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:1
load:0x3fff0018,len:4
load:0x3fff001c,len:1216
ho 0 tail 12 room 4
load:0x40078000,len:9720
ho 0 tail 12 room 4
load:0x40080400,len:6352
entry 0x400806b8
E (5536) wifi: Expected to init 16 rx buffer, actual is 9
E (5554) wifi: Expected to init 16 rx buffer, actual is 0
Connecting to WiFi..........................................................................................

I don't know if it's a configuration issue or incompatibility on the part of klipper/octoprint
but this has the best response time and frame rate of all the ones i've tried yet

If i setup the stream http://Ip of esp32-cam/mjpeg/1 both in webcam settings in mainsail as an ip camera, mjpeg-stream , or even in octoprint by adding the url to the stream it gets nothing yet I open the same url in chrome and I can happily watch the stream.

Any tips?

rst:0x1 (POWERON_RESET),boot:0x12 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:1
load:0x3fff0030,len:1344
load:0x40078000,len:13964
load:0x40080400,len:3600
entry 0x400805f0
setup: free heap : 261296
Connecting to WiFi......WiFi connected

Stream Link: http://hiddenip/mjpeg/1
setup complete: free heap : 169224

mjpegCB: free heap (start) : 169032
mjpegCB: free heap : 169032
mjpegCB: min free heap) : 164204
mjpegCB: max alloc free heap : 110580
mjpegCB: tCam stack wtrmark : 2724

Seems to me that RTSP would be the right philosophy for RTOS, but mainly because everything else in my surveillance system runs on RTSP. Never having compared stream CPU loads before nor have experience converting, I wonder if I can couple your multi-client aspects with stream conversion to RTSP. Have you ruled that out in some way?

I am using the ESP 32 multi-client code with RTOS and it is extremely slow . Like not exactly slow but its from the actual time of activity to the moment it shows up on the camera its basically 7 -10 seconds. So if i connect this camera with an NVR . How am i supposed to match the timing. Also is there any way to still use the RTOS all frames thingy and decrease the lag or at least make that lag consistent enough .

Even if i know that the recorded footage is always going to lag by 10 seconds i can account for that . But if that time is a variable then the recorded footage is usable but you just cant match the actions in that footage with respect to time because you never know them in first place that how much lag was there.

Firstly, thanks for the code, it runs on my two ESP-EYE with a slight delay, I think its my wifi as depending on what ip address it gets depends on the latency, no idea nor can I make sense of it, but all works great.

If I wanted to flip the video back the other way, where would I modify it prior to compiling? I did try to modify m99141_regs.h at line #define TIMING_TC_REG20_VFLIP 0x00 /* Vertical flip enable */ I tried a few settings to no avail.

thanks

Hello. I am not new to Arduino, but even with years of experience, I am not fully understanding your directions.

1. You don't mention it, however, I assumed you meant to first download/extract your zip, and THEN download the espressif zip into the esp32-cam subfolder from your extracted zip. But what if I want to use one of the other two options: esp32-cam-rtos or esp32-cam-allframes?

2. Done

3. Delete some files from "the sketch" folder"?? You mean your esp32-cam folder??? If so, why not just not have them there in the first place? That is what I did, however this step just seems to cause compiling issues later.

4. Done

5. Again, unzip into what folder?? Your esp32-cam one? That is what I did.

Phantom step 6. After making the boards type selection and new WiFi config file, I tried to compile, and of course it wants one of the files I just deleted..

ov2640.h: No such file or directory

Even after redownloading, retrying after a few times, I am clearly misunderstanding your intended folder structure. Can you elaborate please?

When loading the JPG, the image appears instantly in the browser but the network connection remains open for about 2 seconds.

First, I must say that after going through a journey of flashing 5 different esp32 cam projects I finally landed on this wonderful repo. It works exactly as hoped, and so far it seems very stable...
...HUZZAH! (and thank you, multiclient (up to 10) times)

The ability to add a static IP is missing, but I know I can easily implemented this feature. Pull request? Stay tuned.

Finally, implementing a watchdog in case the esp32 becomes unresponsive would be ideal, as this kind of project lends itself to hard to reach mounting locations. Pull request? Hmm.

All in all, this project is ACES in my book. Again, thank you.