From 7bc3534bcbf5bc2f0ad3d55405c3336dbda9c5ae Mon Sep 17 00:00:00 2001
From: Alexey Khit <alexey.khit@gmail.com>
Date: Fri, 11 Nov 2022 22:01:46 +0300
Subject: [PATCH] Add useful links to readmes

---
 cmd/ffmpeg/README.md |  3 +++
 pkg/README.md        |  5 ++++-
 pkg/aac/README.md    | 20 ++++++++++++++++++++
 pkg/mp4/README.md    |  1 +
 www/README.md        |  1 +
 5 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 pkg/aac/README.md

diff --git a/cmd/ffmpeg/README.md b/cmd/ffmpeg/README.md
index 4bb5af64..028439e0 100644
--- a/cmd/ffmpeg/README.md
+++ b/cmd/ffmpeg/README.md
@@ -41,3 +41,6 @@
 - https://trac.ffmpeg.org/wiki/DirectShow
 - https://stackoverflow.com/questions/53207692/libav-mjpeg-encoding-and-huffman-table
 - https://github.com/tuupola/esp_video/blob/master/README.md
+- https://github.com/leandromoreira/ffmpeg-libav-tutorial
+- https://www.reddit.com/user/VeritablePornocopium/comments/okw130/ffmpeg_with_libfdk_aac_for_windows_x64/
+- https://slhck.info/video/2017/02/24/vbr-settings.html
diff --git a/pkg/README.md b/pkg/README.md
index 214677bc..c875dc35 100644
--- a/pkg/README.md
+++ b/pkg/README.md
@@ -2,4 +2,7 @@
 
 - https://www.wowza.com/blog/streaming-protocols
 - https://vimeo.com/blog/post/rtmp-stream/
-- https://sanjeev-pandey.medium.com/understanding-the-mpeg-4-moov-atom-pseudo-streaming-in-mp4-93935e1b9e9a
\ No newline at end of file
+- https://sanjeev-pandey.medium.com/understanding-the-mpeg-4-moov-atom-pseudo-streaming-in-mp4-93935e1b9e9a
+- [Android Supported media formats](https://developer.android.com/guide/topics/media/media-formats)
+- [THEOplayer](https://www.theoplayer.com/test-your-stream-hls-dash-hesp)
+- [How Generate DTS/PTS](https://www.ramugedia.com/how-generate-dts-pts-from-elementary-stream)
diff --git a/pkg/aac/README.md b/pkg/aac/README.md
new file mode 100644
index 00000000..bb81f736
--- /dev/null
+++ b/pkg/aac/README.md
@@ -0,0 +1,20 @@
+## AAC-LD and AAC-ELD
+
+Codec | Rate | QuickTime | ffmpeg | VLC
+------|------|-----------|--------|----
+AAC-LD  | 8000  | yes | no  | no
+AAC-LD  | 16000 | yes | no  | no
+AAC-LD  | 22050 | yes | yes | no
+AAC-LD  | 24000 | yes | yes | no
+AAC-LD  | 32000 | yes | yes | no
+AAC-ELD | 8000  | yes | no  | no
+AAC-ELD | 16000 | yes | no  | no
+AAC-ELD | 22050 | yes | yes | yes
+AAC-ELD | 24000 | yes | yes | yes
+AAC-ELD | 32000 | yes | yes | yes
+
+## Useful links
+
+- [4.6.20 Enhanced Low Delay Codec](https://csclub.uwaterloo.ca/~ehashman/ISO14496-3-2009.pdf)
+- https://stackoverflow.com/questions/40014508/aac-adts-for-aacobject-eld-packets
+- https://code.videolan.org/videolan/vlc/-/blob/master/modules/packetizer/mpeg4audio.c
diff --git a/pkg/mp4/README.md b/pkg/mp4/README.md
index 29ac63d8..2fcb64f5 100644
--- a/pkg/mp4/README.md
+++ b/pkg/mp4/README.md
@@ -21,3 +21,4 @@ Stream #0:0(eng): Video: hevc (Main) (hvc1 / 0x31637668), yuv420p(tv, progressiv
 - https://stackoverflow.com/questions/32152090/encode-h265-to-hvc1-codec
 - https://jellyfin.org/docs/general/clients/codec-support.html
 - https://github.com/StaZhu/enable-chromium-hevc-hardware-decoding
+- https://developer.mozilla.org/ru/docs/Web/Media/Formats/codecs_parameter
diff --git a/www/README.md b/www/README.md
index e872a4cc..f1fc4d9b 100644
--- a/www/README.md
+++ b/www/README.md
@@ -55,3 +55,4 @@ pc.ontrack = ev => {
 - https://www.chromium.org/audio-video/
 - https://web.dev/i18n/en/fast-playback-with-preload/#manual_buffering
 - https://developer.mozilla.org/en-US/docs/Web/API/Media_Source_Extensions_API
+- https://chromium.googlesource.com/external/w3c/web-platform-tests/+/refs/heads/master/media-source/mediasource-is-type-supported.html