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> On modern Linux, it’s possible, and not even terribly hard, to implement hardware-accelerated video playback without any libraries or frameworks, by directly

> On modern Linux, it’s possible, and not even terribly hard, to implement hardware-accelerated video playback without any libraries or frameworks, by directly consuming V4L2 API exposed by the kernel Do you mean V4L2 M2M decoding? That's only supported on a very small subset of devices, mostly ARM devices. Other devices might use VA-API (Intel), VDPAU (NVIDIA proprietary), or something from the OpenMAX standard (some AMD drivers). M2M is far from easy to handle in a lot of circumstances, though it depends on the kinds of devices you use. I don't really know why you're going into a screed about "sunk cost fallacy".

vetinari 6y ago
AMD uses VA-API nowadays.
- selectodude 6y ago
  As does Nvidia.
Const-me 6y ago
> Other devices might use VA-API (Intel), VDPAU (NVIDIA proprietary), or something from the OpenMAX standard (some AMD drivers). Nothing prevents Firefox from consuming these things. The majority of time I’ve spent on that library was not on V4L2, it was containers parsing (they are incredibly complicated these days, as I found out in the process), bitstream and parameter sets parsing, also audio codecs shenanigans: https://github.com/Const-me/DtsDecoder https://github.com/Const-me/DtsDecoder > M2M is far from easy to handle in a lot of circumstances I know, and I never said it was trivially simple. But it’s not terribly complicated either. I have implemented that alone, for fun, spending a month part time. My implementation plays all h264 video files on my hardrives (more than 1TB of them). Because of that, I would expect better from a company with 9-digit annual revenue. BTW I had no prior experience with Linux multimedia, albeit I did a lot of related things on Windows, mostly with Media Foundation. > why you're going into a screed about "sunk cost fallacy" I have no idea how Firefox is developed. However, I’ve been developing other software for living for couple decades now, worked with many codebases including very old ones, and I think I know a few things about software development in general. That was just my educated guess.

vetinari 6y ago

AMD uses VA-API nowadays.

selectodude 6y ago
As does Nvidia.

Const-me 6y ago

> Other devices might use VA-API (Intel), VDPAU (NVIDIA proprietary), or something from the OpenMAX standard (some AMD drivers). Nothing prevents Firefox from consuming these things. The majority of time I’ve spent on that library was not on V4L2, it was containers parsing (they are incredibly complicated these days, as I found out in the process), bitstream and parameter sets parsing, also audio codecs shenanigans: https://github.com/Const-me/DtsDecoder https://github.com/Const-me/DtsDecoder > M2M is far from easy to handle in a lot of circumstances I know, and I never said it was trivially simple. But it’s not terribly complicated either. I have implemented that alone, for fun, spending a month part time. My implementation plays all h264 video files on my hardrives (more than 1TB of them). Because of that, I would expect better from a company with 9-digit annual revenue. BTW I had no prior experience with Linux multimedia, albeit I did a lot of related things on Windows, mostly with Media Foundation. > why you're going into a screed about "sunk cost fallacy" I have no idea how Firefox is developed. However, I’ve been developing other software for living for couple decades now, worked with many codebases including very old ones, and I think I know a few things about software development in general. That was just my educated guess.