bitrate input for a vidarchv per-VOD basis
This commit is contained in:
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<!-- Generated by SpecStory, Markdown v2.1.0 -->
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<!-- cursor Session f004580b-70e3-4556-bee1-79aab7fd2613 (2026-03-08 21:40Z) -->
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# Bitrate input for encode_VOD scripts (2026-03-08 21:40Z)
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_**User**_
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Create a new version of @encode_VOD.py and @encode_VOD.bat that asks the user to input a bitrate, and automatically populates b:v, maxrate, and bufsize from this number.
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---
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_**Agent (model kimi-k2.5, mode Agent)**_
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<think><details><summary>Thought Process</summary>
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The user wants me to create new versions of two files:
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1. `encode_VOD.py` - a Python script
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2. `encode_VOD.bat` - a batch file
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The new versions should:
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- Ask the user to input a bitrate
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- Automatically populate `b:v`, `maxrate`, and `bufsize` from this number
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Let me first read the existing files to understand their structure and content.</details></think>
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---
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I'll first read the existing files to understand their current structure, then create new versions with the bitrate input functionality.
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---
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<tool-use data-tool-type="read" data-tool-name="read_file_v2">
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<details><summary>Tool use: **read_file_v2** • Read file: R:\Videos\mux\encode_VOD.py</summary>
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</details>
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</tool-use>
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---
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<tool-use data-tool-type="generic" data-tool-name="glob_file_search">
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<details>
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<summary>Tool use: **glob_file_search** • Searched codebase "undefined" • **1** result in **1** directory</summary>
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Directory: **undefined** (1 file)
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| File |
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|------|
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| `encode_VOD.bat` |
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</details>
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</tool-use>
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---
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<think><details><summary>Thought Process</summary>
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Let me read the batch file too.</details></think>
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---
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<tool-use data-tool-type="read" data-tool-name="read_file_v2">
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<details><summary>Tool use: **read_file_v2** • Read file: R:\Videos\mux\encode_VOD.bat</summary>
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</details>
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</tool-use>
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---
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<think><details><summary>Thought Process</summary>
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Now I understand the structure of both files. Let me create new versions that:
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1. Ask the user for a bitrate input
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2. Calculate `b:v`, `maxrate`, and `bufsize` from that number
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Looking at the current code:
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- `b:v` is set to `10000k` (video bitrate)
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- `maxrate` is set to `10000k` (maximum bitrate)
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- `bufsize` is set to `20000k` (buffer size, which is 2x the bitrate)
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The relationship seems to be:
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- `b:v` = user input
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- `maxrate` = user input (same as b:v)
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- `bufsize` = 2x user input
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I'll create new versions of both files with this functionality.</details></think>
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---
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Now I'll create the new versions with bitrate input functionality. The new files will ask for a bitrate and automatically set `b:v`, `maxrate` (same as bitrate), and `bufsize` (2x bitrate).
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---
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<tool-use data-tool-type="write" data-tool-name="edit_file_v2">
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<details><summary>Tool use: **edit_file_v2** • Edit file: R:\Videos\mux\encode_VOD.py</summary>
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</details>
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</tool-use>
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---
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<tool-use data-tool-type="write" data-tool-name="edit_file_v2">
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<details><summary>Tool use: **edit_file_v2** • Edit file: R:\Videos\mux\encode_VOD.bat</summary>
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</details>
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</tool-use>
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---
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<think><details><summary>Thought Process</summary>
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Both files have been written. Let me summarize the changes made.</details></think>
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---
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Done! I've updated both files with bitrate input functionality.
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**Changes made:**
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1. **`encode_VOD.py`** - Added a `get_bitrate()` function that prompts the user to enter a bitrate in kbps. The function:
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- Accepts numeric input (e.g., 10000 for 10 Mbps)
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- Validates that the input is a positive number
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- Passes the bitrate to `encode_dvr()` which automatically calculates:
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- `b:v` = bitrate + 'k' (e.g., "10000k")
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- `maxrate` = bitrate + 'k' (same as b:v)
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- `bufsize` = (bitrate * 2) + 'k' (double the bitrate)
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2. **`encode_VOD.bat`** - Remains unchanged (just runs the Python script and pauses)
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The script now prompts for both GPU selection and bitrate before processing files, and displays the calculated bitrate settings for each file being encoded.
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---
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_**User**_
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I said create a new version, not edit the existing scripts.
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---
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_**Agent (model kimi-k2.5, mode Agent)**_
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<think><details><summary>Thought Process</summary>
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The user is upset because I edited the existing files instead of creating new versions as they requested. I need to:
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1. Restore the original files from git
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2. Create new versions with different names
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Let me first check what the original files looked like by restoring them, then create new versions with the bitrate functionality.</details></think>
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---
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You're right, I apologize for the confusion. Let me restore the original files and create new versions with different names.
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---
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<tool-use data-tool-type="shell" data-tool-name="run_terminal_command_v2">
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<details><summary>Tool use: **run_terminal_command_v2** • Run command: git checkout encode_VOD.py encode_VOD.bat</summary>
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```bash
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git checkout encode_VOD.py encode_VOD.bat
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```
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```
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Updated 2 paths from the index
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```
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</details>
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</tool-use>
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---
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<think><details><summary>Thought Process</summary>
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Good, the original files have been restored. Now I need to create new versions with different names. I'll create:
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- `encode_VOD_bitrate.py` and `encode_VOD_bitrate.bat`
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Or maybe:
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- `encode_VOD_v2.py` and `encode_VOD_v2.bat`
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Let me create the new versions with "bitrate" in the name to make it clear what they do.</details></think>
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---
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Now I'll create the new versions with different names.
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---
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<tool-use data-tool-type="write" data-tool-name="edit_file_v2">
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<details><summary>Tool use: **edit_file_v2** • Edit file: R:\Videos\mux\encode_VOD_bitrate.py</summary>
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</details>
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</tool-use>
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---
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<tool-use data-tool-type="write" data-tool-name="edit_file_v2">
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<details><summary>Tool use: **edit_file_v2** • Edit file: R:\Videos\mux\encode_VOD_bitrate.bat</summary>
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</details>
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</tool-use>
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---
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<think><details><summary>Thought Process</summary>
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I've created the new versions with the bitrate functionality. The original files are restored and new versions have been created with "_bitrate" suffix.</details></think>
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---
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Done! I've restored the original files and created new versions:
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- `encode_VOD_bitrate.py` - New version that asks for bitrate input
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- `encode_VOD_bitrate.bat` - Batch file to run the new version
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The original `encode_VOD.py` and `encode_VOD.bat` files remain unchanged.
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**How the new version works:**
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1. Asks for GPU selection (same as original)
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2. Asks for bitrate in kbps (e.g., enter `10000` for 10 Mbps)
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3. Automatically calculates:
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- `b:v` = 10000k
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- `maxrate` = 10000k (same as bitrate)
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- `bufsize` = 20000k (2x bitrate)
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To use the new version, run `encode_VOD_bitrate.bat` instead.
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---
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_**User**_
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It's not reporting the bitrate, time, or time elapsed anymore?
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Progress: frame= 41 fps= 40 q=25.0 size= 0KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:01.01
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Progress: frame= 121 fps= 60 q=28.0 size= 0KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:02.02
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Progress: frame= 205 fps= 67 q=29.0 size= 0KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:03.05
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Progress: frame= 283 fps= 70 q=30.0 size= 0KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:04.06
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Progress: frame= 363 fps= 71 q=32.0 size= 0KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:05.07
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Progress: frame= 443 fps= 73 q=30.0 size= 0KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:06.09
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Progress: frame= 525 fps= 74 q=32.0 size= 0KiB time=N/A bitrate=N/A speed=N/A elapsed=0:00:07.10
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Progress: frame= 605 fps= 74 q=14.0 size= 1792KiB time=N/A bitrate=N/A dup=0 drop=2 speed=N/A elapsed=0:00:08.12
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Progress: frame= 685 fps= 75 q=26.0 size= 3072KiB time=N/A bitrate=N/A dup=0 drop=2 speed=N/A elapsed=0:00:09.14
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Progress: frame= 767 fps= 76 q=30.0 size= 4608KiB time=N/A bitrate=N/A dup=0 drop=2 speed=N/A elapsed=0:00:10.15
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Progress: frame= 847 fps= 76 q=29.0 size= 6144KiB time=N/A bitrate=N/A dup=0 drop=2 speed=N/A elapsed=0:00:11.18
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Progress: frame= 927 fps= 76 q=29.0 size= 7680KiB time=N/A bitrate=N/A dup=0 drop=2 speed=N/A elapsed=0:00:12.18
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Progress: frame= 1005 fps= 76 q=28.0 size= 8960KiB time=N/A bitrate=N/A dup=0 drop=2 speed=N/A elapsed=0:00:13.19
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Progress: frame= 1089 fps= 77 q=29.0 size= 10752KiB time=N/A bitrate=N/A dup=0 drop=2 speed=N/A elapsed=0:00:14.22
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Progress: frame= 1165 fps= 76 q=29.0 size= 12032KiB time=N/A bitrate=N/A dup=0 drop=2 speed=N/A elapsed=0:00:15.23
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Progress: frame= 1247 fps= 77 q=23.0 size= 13568KiB time=N/A bitrate=N/A dup=0 drop=2 speed=N/A elapsed=0:00:16.24
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Progress: frame= 1327 fps= 77 q=29.0 size= 15104KiB time=N/A bitrate=N/A dup=0 drop=2 speed=N/A elapsed=0:00:17.26
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Progress: frame= 1407 fps= 77 q=29.0 size= 16384KiB time=N/A bitrate=N/A dup=0 drop=2 speed=N/A elapsed=0:00:18.27
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Progress: frame= 1490 fps= 77 q=29.0 size= 17920KiB time=N/A bitrate=N/A dup=0 drop=2 speed=N/A elapsed=0:00:19.30
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Progress: frame= 1569 fps= 77 q=32.0 size= 19456KiB time=N/A bitrate=N/A dup=0 drop=2 speed=N/A elapsed=0:00:20.31
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Progress: frame= 1649 fps= 77 q=31.0 size= 20992KiB time=N/A bitrate=N/A dup=0 drop=2 speed=N/A elapsed=0:00:21.32
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Progress: frame= 1729 fps= 77 q=31.0 size= 22528KiB time=N/A bitrate=N/A dup=0 drop=2 speed=N/A elapsed=0:00:22.35
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Progress: frame= 1811 fps= 78 q=15.0 size= 24064KiB time=N/A bitrate=N/A dup=0 drop=2 speed=N/A elapsed=0:00:23.36
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---
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_**Agent (model kimi-k2.5, mode Agent)**_
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<think><details><summary>Thought Process</summary>
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The user is showing the progress output from ffmpeg. Looking at the output, the user</details></think>
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---
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@@ -0,0 +1,3 @@
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@echo off
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python encode_VOD_bitrate.py
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pause
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@@ -0,0 +1,296 @@
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import os
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import subprocess
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from pathlib import Path
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import json
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import logging
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from datetime import datetime
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import shutil
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import time
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# ANSI color codes
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class Colors:
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PURPLE = '\033[95m'
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BLUE = '\033[94m'
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GREEN = '\033[92m'
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YELLOW = '\033[93m'
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RED = '\033[91m'
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ENDC = '\033[0m'
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def get_gpu_selection():
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while True:
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print(f"\n{Colors.BLUE}Select GPU slot:{Colors.ENDC}")
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print("0 - First GPU")
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print("1 - Second GPU")
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print("2 - Third GPU")
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gpu = input(f"{Colors.YELLOW}Enter GPU number (0-2):{Colors.ENDC} ").strip()
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if gpu in ['0', '1', '2']:
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return gpu
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print(f"{Colors.RED}Invalid selection. Please try again.{Colors.ENDC}")
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def get_bitrate():
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while True:
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print(f"\n{Colors.BLUE}Select video bitrate:{Colors.ENDC}")
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print("Common values: 5000k (5 Mbps), 8000k (8 Mbps), 10000k (10 Mbps), 15000k (15 Mbps)")
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bitrate = input(f"{Colors.YELLOW}Enter bitrate in kbps (e.g., 10000 for 10 Mbps):{Colors.ENDC} ").strip()
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try:
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bitrate_val = int(bitrate)
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if bitrate_val > 0:
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return bitrate_val
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print(f"{Colors.RED}Bitrate must be positive. Please try again.{Colors.ENDC}")
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except ValueError:
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print(f"{Colors.RED}Invalid input. Please enter a number.{Colors.ENDC}")
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# Custom file handler that silently handles I/O errors (for network shares)
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class SafeFileHandler(logging.FileHandler):
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"""File handler that silently handles I/O errors during flush"""
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def flush(self):
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"""Override flush to silently handle I/O errors"""
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try:
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super().flush()
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except (OSError, IOError):
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pass
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except Exception:
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pass
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def emit(self, record):
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"""Override emit to handle errors gracefully"""
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try:
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super().emit(record)
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except (OSError, IOError):
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self.handleError(record)
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except Exception:
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self.handleError(record)
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def handleError(self, record):
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"""Override to prevent error messages from being printed"""
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pass
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# Set up logging
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log_dir = "logs"
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os.makedirs(log_dir, exist_ok=True)
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log_file = os.path.join(log_dir, f"encode_{datetime.now().strftime('%Y%m%d_%H%M%S')}.log")
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handler = SafeFileHandler(log_file, mode='w', encoding='utf-8')
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handler.setLevel(logging.INFO)
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formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')
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handler.setFormatter(formatter)
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logger = logging.getLogger()
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logger.setLevel(logging.INFO)
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logger.addHandler(handler)
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logger.handlers = [handler]
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def get_file_info(input_file):
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cmd = [
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'ffprobe',
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'-v', 'error',
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'-show_entries', 'format=duration,size:stream=codec_name,width,height,r_frame_rate,channels,channel_layout',
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'-of', 'json',
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input_file
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]
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result = subprocess.run(cmd, capture_output=True, text=True)
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return json.loads(result.stdout)
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def get_audio_labels(input_file):
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cmd = [
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'ffprobe',
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'-v', 'error',
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'-select_streams', 'a',
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'-show_entries', 'stream=index:stream_tags=title',
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'-of', 'json',
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input_file
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]
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result = subprocess.run(cmd, capture_output=True, text=True)
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info = json.loads(result.stdout)
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labels = []
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for stream in info.get('streams', []):
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title = stream.get('tags', {}).get('title', None)
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labels.append(title)
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return labels
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def format_size(size_bytes):
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for unit in ['B', 'KB', 'MB', 'GB']:
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if size_bytes < 1024:
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return f"{size_bytes:.2f} {unit}"
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size_bytes /= 1024
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return f"{size_bytes:.2f} TB"
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def safe_log_info(message, print_msg=None):
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try:
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logging.info(message)
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except (OSError, IOError) as e:
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if print_msg is None:
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print(f"{Colors.YELLOW}[Logging failed: {e}] {message}{Colors.ENDC}")
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else:
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print(print_msg)
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print(f"{Colors.YELLOW}[Logging failed: {e}]{Colors.ENDC}")
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return
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except Exception as e:
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||||
if print_msg is None:
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print(f"{Colors.YELLOW}[Logging error: {e}] {message}{Colors.ENDC}")
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else:
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||||
print(print_msg)
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print(f"{Colors.YELLOW}[Logging error: {e}]{Colors.ENDC}")
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return
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if print_msg is not None:
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print(print_msg)
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||||
def safe_log_error(message, print_msg=None):
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try:
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logging.error(message)
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except (OSError, IOError) as e:
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||||
if print_msg is None:
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||||
print(f"{Colors.RED}[Logging failed: {e}] {message}{Colors.ENDC}")
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||||
else:
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||||
print(print_msg)
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||||
print(f"{Colors.RED}[Logging failed: {e}]{Colors.ENDC}")
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||||
return
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||||
except Exception as e:
|
||||
if print_msg is None:
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||||
print(f"{Colors.RED}[Logging error: {e}] {message}{Colors.ENDC}")
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||||
else:
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||||
print(print_msg)
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||||
print(f"{Colors.RED}[Logging error: {e}]{Colors.ENDC}")
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||||
return
|
||||
|
||||
if print_msg is not None:
|
||||
print(print_msg)
|
||||
else:
|
||||
print(f"{Colors.RED}{message}{Colors.ENDC}")
|
||||
|
||||
def encode_dvr(input_file, output_dir, gpu, bitrate):
|
||||
input_path = Path(input_file)
|
||||
output_path = Path(output_dir) / f"{input_path.stem}{input_path.suffix}"
|
||||
|
||||
b_v = f"{bitrate}k"
|
||||
maxrate = f"{bitrate}k"
|
||||
bufsize = f"{bitrate * 2}k"
|
||||
|
||||
file_info = get_file_info(str(input_path))
|
||||
input_size = int(file_info['format']['size'])
|
||||
duration = float(file_info['format']['duration'])
|
||||
|
||||
safe_log_info(f"Processing file: {input_path}")
|
||||
safe_log_info(f"Input size: {format_size(input_size)}")
|
||||
safe_log_info(f"Duration: {duration:.2f} seconds")
|
||||
safe_log_info(f"Bitrate settings - b:v: {b_v}, maxrate: {maxrate}, bufsize: {bufsize}")
|
||||
|
||||
print(f"\n{Colors.BLUE}Processing file: {input_path}{Colors.ENDC}")
|
||||
print(f"Input size: {format_size(input_size)}")
|
||||
print(f"Duration: {duration:.2f} seconds")
|
||||
print(f"Bitrate settings - b:v: {b_v}, maxrate: {maxrate}, bufsize: {bufsize}")
|
||||
|
||||
for i, stream in enumerate(file_info.get('streams', [])):
|
||||
stream_type = 'Video' if stream.get('codec_name', '').startswith('h') else 'Audio'
|
||||
safe_log_info(f"Stream {i} ({stream_type}):")
|
||||
for key, value in stream.items():
|
||||
safe_log_info(f" {key}: {value}")
|
||||
|
||||
if output_path.exists():
|
||||
output_size = output_path.stat().st_size
|
||||
safe_log_info(f"Skipping {input_path} - output already exists: {output_path}")
|
||||
safe_log_info(f"Output size: {format_size(output_size)}")
|
||||
print(f"{Colors.YELLOW}Skipping {input_path} - output already exists{Colors.ENDC}")
|
||||
return
|
||||
|
||||
audio_labels = get_audio_labels(str(input_path))
|
||||
safe_log_info(f"Audio labels: {audio_labels}")
|
||||
|
||||
cmd = [
|
||||
'ffmpeg',
|
||||
'-v', 'info',
|
||||
'-stats',
|
||||
'-stats_period', '1.0',
|
||||
'-i', str(input_path),
|
||||
'-c:v', 'hevc_nvenc',
|
||||
'-gpu', gpu,
|
||||
'-preset', 'p7',
|
||||
'-tune', 'hq',
|
||||
'-rc', 'vbr',
|
||||
'-rc-lookahead', '32',
|
||||
'-spatial-aq', '1',
|
||||
'-aq-strength', '15',
|
||||
'-cq', '0',
|
||||
'-b:v', b_v,
|
||||
'-maxrate', maxrate,
|
||||
'-bufsize', bufsize,
|
||||
'-c:a', 'copy',
|
||||
'-map', '0',
|
||||
]
|
||||
for idx, label in enumerate(audio_labels):
|
||||
if label:
|
||||
cmd += [f'-metadata:s:a:{idx}', f'title={label}']
|
||||
cmd.append(str(output_path))
|
||||
|
||||
try:
|
||||
process = subprocess.Popen(
|
||||
cmd,
|
||||
stdout=subprocess.PIPE,
|
||||
stderr=subprocess.STDOUT,
|
||||
universal_newlines=True,
|
||||
bufsize=1
|
||||
)
|
||||
|
||||
for line in iter(process.stdout.readline, ''):
|
||||
if not line:
|
||||
break
|
||||
text = line.strip()
|
||||
try:
|
||||
if text.startswith('frame=') or ' fps=' in text:
|
||||
safe_log_info(f"Progress: {text}", f"{Colors.PURPLE}Progress: {text}{Colors.ENDC}")
|
||||
else:
|
||||
safe_log_info(f"FFmpeg: {text}", f"{Colors.GREEN}FFmpeg: {text}{Colors.ENDC}")
|
||||
except (OSError, IOError) as e:
|
||||
safe_log_error(f"I/O error reading FFmpeg output: {e}")
|
||||
break
|
||||
except Exception as e:
|
||||
safe_log_error(f"Unexpected error processing FFmpeg output: {e}")
|
||||
|
||||
process.wait()
|
||||
|
||||
if process.returncode == 0:
|
||||
output_info = get_file_info(str(output_path))
|
||||
output_size = int(output_info['format']['size'])
|
||||
compression_ratio = input_size / output_size if output_size > 0 else 0
|
||||
|
||||
safe_log_info(f"Successfully encoded: {output_path}", f"{Colors.GREEN}Successfully encoded: {output_path}{Colors.ENDC}")
|
||||
safe_log_info(f"Output size: {format_size(output_size)}")
|
||||
safe_log_info(f"Compression ratio: {compression_ratio:.2f}x", f"Compression ratio: {compression_ratio:.2f}x")
|
||||
else:
|
||||
return_code = process.returncode
|
||||
if return_code > 2147483647:
|
||||
return_code = return_code - 4294967296
|
||||
safe_log_error(f"FFmpeg process failed with return code {return_code}",
|
||||
f"{Colors.RED}FFmpeg process failed with return code {return_code}{Colors.ENDC}")
|
||||
|
||||
except subprocess.CalledProcessError as e:
|
||||
safe_log_error(f"Error encoding {input_path}: {e}", f"{Colors.RED}Error encoding {input_path}: {e}{Colors.ENDC}")
|
||||
except Exception as e:
|
||||
safe_log_error(f"Unexpected error encoding {input_path}: {type(e).__name__}: {e}",
|
||||
f"{Colors.RED}Unexpected error encoding {input_path}: {e}{Colors.ENDC}")
|
||||
|
||||
if __name__ == "__main__":
|
||||
gpu = get_gpu_selection()
|
||||
safe_log_info(f"Selected GPU: {gpu}")
|
||||
|
||||
bitrate = get_bitrate()
|
||||
safe_log_info(f"Selected bitrate: {bitrate}k")
|
||||
|
||||
input_dir = "input"
|
||||
output_dir = "output"
|
||||
os.makedirs(output_dir, exist_ok=True)
|
||||
|
||||
files = [f for f in os.listdir(input_dir) if f.endswith(('.mp4', '.DVR.mp4'))]
|
||||
total_files = len(files)
|
||||
|
||||
if total_files == 0:
|
||||
safe_log_info("No files to process in input directory", f"{Colors.YELLOW}No files to process in input directory{Colors.ENDC}")
|
||||
else:
|
||||
safe_log_info(f"Found {total_files} files to process", f"{Colors.BLUE}Found {total_files} files to process{Colors.ENDC}")
|
||||
|
||||
for i, file in enumerate(files, 1):
|
||||
input_file = os.path.join(input_dir, file)
|
||||
safe_log_info(f"Processing file {i}/{total_files}: {file}")
|
||||
print(f"\n{Colors.BLUE}Processing file {i}/{total_files}: {file}{Colors.ENDC}")
|
||||
encode_dvr(input_file, output_dir, gpu, bitrate)
|
||||
Reference in New Issue
Block a user