From e351a7121d741aad95a1eed7980995a90047f9a4 Mon Sep 17 00:00:00 2001
From: polyesterswing <kurianjojo2004@gmail.com>
Date: Sun, 30 Jun 2024 17:27:23 +0530
Subject: [PATCH 1/5] build: create cargo project

---
 .gitignore  | 1 +
 Cargo.lock  | 7 +++++++
 Cargo.toml  | 6 ++++++
 src/main.rs | 3 +++
 4 files changed, 17 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 src/main.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..b3273ff
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "ascii-video-player"
+version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..60a4eb4
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "ascii-video-player"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..e7a11a9
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}

From 28f7c91695d0356eeb1ff6d0bf267aef79aee8f2 Mon Sep 17 00:00:00 2001
From: polyesterswing <kurianjojo2004@gmail.com>
Date: Sun, 30 Jun 2024 17:33:19 +0530
Subject: [PATCH 2/5] build: add opencv to cargo

---
 Cargo.lock | 342 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml |   1 +
 2 files changed, 343 insertions(+)

diff --git a/Cargo.lock b/Cargo.lock
index b3273ff..06d6000 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,348 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "ascii-video-player"
 version = "0.1.0"
+dependencies = [
+ "opencv",
+]
+
+[[package]]
+name = "autocfg"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
+
+[[package]]
+name = "cc"
+version = "1.0.103"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2755ff20a1d93490d26ba33a6f092a38a508398a5320df5d4b3014fcccce9410"
+dependencies = [
+ "jobserver",
+ "libc",
+ "once_cell",
+]
+
+[[package]]
+name = "clang"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "84c044c781163c001b913cd018fc95a628c50d0d2dfea8bca77dad71edb16e37"
+dependencies = [
+ "clang-sys",
+ "libc",
+]
+
+[[package]]
+name = "clang-sys"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b023947811758c97c59bf9d1c188fd619ad4718dcaa767947df1cadb14f39f4"
+dependencies = [
+ "glob",
+ "libc",
+]
+
+[[package]]
+name = "dunce"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56ce8c6da7551ec6c462cbaf3bfbc75131ebbfa1c944aeaa9dab51ca1c5f0c3b"
+
+[[package]]
+name = "glob"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+
+[[package]]
+name = "jobserver"
+version = "0.1.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2b099aaa34a9751c5bf0878add70444e1ed2dd73f347be99003d4577277de6e"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.155"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
+
+[[package]]
+name = "memchr"
+version = "2.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
+
+[[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "once_cell"
+version = "1.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
+
+[[package]]
+name = "opencv"
+version = "0.92.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e19ccfa4237826b2213bda6dd30875b9ed184c5318ec64d3c269132d128212c"
+dependencies = [
+ "cc",
+ "dunce",
+ "jobserver",
+ "libc",
+ "num-traits",
+ "once_cell",
+ "opencv-binding-generator",
+ "pkg-config",
+ "semver",
+ "shlex",
+ "vcpkg",
+ "windows",
+]
+
+[[package]]
+name = "opencv-binding-generator"
+version = "0.90.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "86ddd32f38d5cd32c79a38da363528ced3149a48f1e686b7a12913a184a84cd5"
+dependencies = [
+ "clang",
+ "clang-sys",
+ "dunce",
+ "once_cell",
+ "percent-encoding",
+ "regex",
+]
+
+[[package]]
+name = "percent-encoding"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
+
+[[package]]
+name = "pkg-config"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.86"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e719e8df665df0d1c8fbfd238015744736151d4445ec0836b8e628aae103b77"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.36"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fa76aaf39101c457836aec0ce2316dbdc3ab723cdda1c6bd4e6ad4208acaca7"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "regex"
+version = "1.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b91213439dad192326a0d7c6ee3955910425f441d7038e0d6933b0aec5c4517f"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38caf58cc5ef2fed281f89292ef23f6365465ed9a41b7a7754eb4e26496c92df"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b"
+
+[[package]]
+name = "semver"
+version = "1.0.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
+
+[[package]]
+name = "shlex"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+
+[[package]]
+name = "syn"
+version = "2.0.68"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "901fa70d88b9d6c98022e23b4136f9f3e54e4662c3bc1bd1d84a42a9a0f0c1e9"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
+
+[[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
+[[package]]
+name = "windows"
+version = "0.56.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1de69df01bdf1ead2f4ac895dc77c9351aefff65b2f3db429a343f9cbf05e132"
+dependencies = [
+ "windows-core",
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-core"
+version = "0.56.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4698e52ed2d08f8658ab0c39512a7c00ee5fe2688c65f8c0a4f06750d729f2a6"
+dependencies = [
+ "windows-implement",
+ "windows-interface",
+ "windows-result",
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-implement"
+version = "0.56.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6fc35f58ecd95a9b71c4f2329b911016e6bec66b3f2e6a4aad86bd2e99e2f9b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "windows-interface"
+version = "0.56.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08990546bf4edef8f431fa6326e032865f27138718c587dc21bc0265bbcb57cc"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "windows-result"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e383302e8ec8515204254685643de10811af0ed97ea37210dc26fb0032647f8"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f0713a46559409d202e70e28227288446bf7841d3211583a4b53e3f6d96e7eb"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7088eed71e8b8dda258ecc8bac5fb1153c5cffaf2578fc8ff5d61e23578d3263"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9985fd1504e250c615ca5f281c3f7a6da76213ebd5ccc9561496568a2752afb6"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88ba073cf16d5372720ec942a8ccbf61626074c6d4dd2e745299726ce8b89670"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87f4261229030a858f36b459e748ae97545d6f1ec60e5e0d6a3d32e0dc232ee9"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db3c2bf3d13d5b658be73463284eaf12830ac9a26a90c717b7f771dfe97487bf"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e4246f76bdeff09eb48875a0fd3e2af6aada79d409d33011886d3e1581517d9"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "852298e482cd67c356ddd9570386e2862b5673c85bd5f88df9ab6802b334c596"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bec47e5bfd1bff0eeaf6d8b485cc1074891a197ab4225d504cb7a1ab88b02bf0"
diff --git a/Cargo.toml b/Cargo.toml
index 60a4eb4..d1f1c66 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,3 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+opencv = "0.92.0"

From 2218dc13e0397279c441eb1a7d96af33de3a441b Mon Sep 17 00:00:00 2001
From: polyesterswing <kurianjojo2004@gmail.com>
Date: Tue, 2 Jul 2024 19:26:57 +0530
Subject: [PATCH 3/5] feat: add function to convert image to ascii

---
 src/main.rs | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 58 insertions(+), 2 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index e7a11a9..e497c91 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,59 @@
-fn main() {
-    println!("Hello, world!");
+use opencv::prelude::*;
+use opencv::{highgui, imgproc, videoio, Result};
+
+fn map_range(from_range: (i32, i32), to_range: (i32, i32), s: i32) -> i32 {
+    to_range.0 + (s - from_range.0) * (to_range.1 - to_range.0) / (from_range.1 - from_range.0)
+}
+
+fn encode_frame(frame: Mat, table: &str, table_len: usize) -> Result<String> {
+    let mut out_frame = String::new();
+
+    let rows = frame.rows();
+    let cols = frame.cols();
+
+    for row in 0..rows {
+        for col in 0..cols {
+            let pixel = frame.at_2d::<u8>(row, col)?;
+
+            let new_pixel = map_range((0, 255), (0, (table_len - 1) as i32), *pixel as i32);
+            out_frame.push(table.as_bytes()[new_pixel as usize] as char);
+        }
+
+        out_frame.push_str("\n");
+    }
+
+    Ok(out_frame)
+}
+
+fn main() -> Result<()> {
+    let ascii_table =
+        "     .'`^\",:;Il!i><~+_-?][}{1)(|\\/tfjrxnuvczXYUJCLQ0OZmwqpdbkhao*#MW&8%B@$";
+    let ascii_table_len = ascii_table.len();
+
+    let window = "Video";
+    highgui::named_window(window, 1)?;
+
+    let mut cam = videoio::VideoCapture::from_file("bad-apple.webm", videoio::CAP_ANY)?;
+
+    if !cam.is_opened()? {
+        panic!("Unable to open video file");
+    }
+
+    loop {
+        let mut frame = Mat::default();
+        cam.read(&mut frame)?;
+
+        if frame.size()?.width > 0 {
+            let mut gray = Mat::default();
+            imgproc::cvt_color_def(&frame, &mut gray, imgproc::COLOR_BGR2GRAY)?;
+            highgui::imshow(window, &gray)?;
+
+            println!("{}", encode_frame(gray, ascii_table, ascii_table_len)?);
+        }
+
+        if highgui::wait_key(10)? > 0 {
+            break;
+        }
+    }
+    Ok(())
 }

From 6fc6b10211f2918f7c072b21d8b1e4c84682a1bb Mon Sep 17 00:00:00 2001
From: polyesterswing <kurianjojo2004@gmail.com>
Date: Tue, 2 Jul 2024 19:47:42 +0530
Subject: [PATCH 4/5] build: add termion to find out terminal dimensions

---
 Cargo.lock | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml |  1 +
 2 files changed, 58 insertions(+)

diff --git a/Cargo.lock b/Cargo.lock
index 06d6000..1126f24 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -16,6 +16,7 @@ name = "ascii-video-player"
 version = "0.1.0"
 dependencies = [
  "opencv",
+ "termion",
 ]
 
 [[package]]
@@ -24,6 +25,18 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
 
+[[package]]
+name = "bitflags"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+
+[[package]]
+name = "bitflags"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
+
 [[package]]
 name = "cc"
 version = "1.0.103"
@@ -82,6 +95,17 @@ version = "0.2.155"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
 
+[[package]]
+name = "libredox"
+version = "0.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3af92c55d7d839293953fcd0fda5ecfe93297cfde6ffbdec13b41d99c0ba6607"
+dependencies = [
+ "bitflags 2.6.0",
+ "libc",
+ "redox_syscall",
+]
+
 [[package]]
 name = "memchr"
 version = "2.7.4"
@@ -97,6 +121,12 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "numtoa"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8f8bdf33df195859076e54ab11ee78a1b208382d3a26ec40d142ffc1ecc49ef"
+
 [[package]]
 name = "once_cell"
 version = "1.19.0"
@@ -167,6 +197,21 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4722d768eff46b75989dd134e5c353f0d6296e5aaa3132e776cbdb56be7731aa"
+dependencies = [
+ "bitflags 1.3.2",
+]
+
+[[package]]
+name = "redox_termios"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20145670ba436b55d91fc92d25e71160fbfbdd57831631c8d7d36377a476f1cb"
+
 [[package]]
 name = "regex"
 version = "1.10.5"
@@ -219,6 +264,18 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "termion"
+version = "4.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ccce68e518d1173e80876edd54760b60b792750d0cab6444a79101c6ea03848"
+dependencies = [
+ "libc",
+ "libredox",
+ "numtoa",
+ "redox_termios",
+]
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.12"
diff --git a/Cargo.toml b/Cargo.toml
index d1f1c66..1e23cd1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,3 +5,4 @@ edition = "2021"
 
 [dependencies]
 opencv = "0.92.0"
+termion = "4.0.2"

From cb0ab156b0de74631ee292d6c1ff7ae2462c888b Mon Sep 17 00:00:00 2001
From: polyesterswing <kurianjojo2004@gmail.com>
Date: Tue, 2 Jul 2024 19:48:06 +0530
Subject: [PATCH 5/5] feat: fit video to terminal size

---
 src/main.rs | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index e497c91..6fbc3c5 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,5 @@
 use opencv::prelude::*;
-use opencv::{highgui, imgproc, videoio, Result};
+use opencv::{highgui, imgproc, videoio, core, Result};
 
 fn map_range(from_range: (i32, i32), to_range: (i32, i32), s: i32) -> i32 {
     to_range.0 + (s - from_range.0) * (to_range.1 - to_range.0) / (from_range.1 - from_range.0)
@@ -30,6 +30,8 @@ fn main() -> Result<()> {
         "     .'`^\",:;Il!i><~+_-?][}{1)(|\\/tfjrxnuvczXYUJCLQ0OZmwqpdbkhao*#MW&8%B@$";
     let ascii_table_len = ascii_table.len();
 
+    let term_size = termion::terminal_size().unwrap();
+
     let window = "Video";
     highgui::named_window(window, 1)?;
 
@@ -46,9 +48,12 @@ fn main() -> Result<()> {
         if frame.size()?.width > 0 {
             let mut gray = Mat::default();
             imgproc::cvt_color_def(&frame, &mut gray, imgproc::COLOR_BGR2GRAY)?;
-            highgui::imshow(window, &gray)?;
 
-            println!("{}", encode_frame(gray, ascii_table, ascii_table_len)?);
+            let mut smaller = Mat::default();
+            imgproc::resize(&gray, &mut smaller, core::Size::new(term_size.0.into(), term_size.1.into()), 0.0, 0.0, imgproc::INTER_AREA)?;
+            highgui::imshow(window, &smaller)?;
+
+            println!("{}", encode_frame(smaller, ascii_table, ascii_table_len)?);
         }
 
         if highgui::wait_key(10)? > 0 {