TRichView.com

I'll be on vacation from July 2 to July 13.

During this time, I'll still respond to urgent questions. Questions that require investigation or testing will be answered after I return. Orders will be processed as usual.

Before leaving, I prepared a new version of TRichView, which will be released ...

You can find this image in the document and change it.
How is your image identified?
The code below assumes it's identified by item name, so GetItemText is used. It can also be identified by tag (GetItemTag) or property (GetItemExtraStrProperty(rvespImageFileName...)).

Searching for an image having ...

I cannot reproduce this problem.
The problem may be related to a specific document and specific property values.
Please send me a sample project reproducing this problem.
What version of TRichView and Delphi do you use?

You may notice that buttons in some FireMonkey demo projects look unusual: in addition to images from a TImageList, a flag icon is displayed on top of them.

This is caused by a bug in Delphi 13.1. Normally, the predefined button icons should be hidden when an image from a TImageList is assigned to ...

Ok, it will be fixed in the next update.

After you assign a video device index, TRVCamera reads a list of camera properties only once. Later, it uses cached values.
So, I think this error may happen immediately after switching to another camera.

In the current version, RVMedia does detect changes in the list of available cameras. So, if ...

The setup of RVMedia 12 includes FFmpeg 8.1.1 build with Whisper (Windows 64 bit), compatible with GNU LGPL license
RVMedia supports FFmpeg versions from 1.x to 8.x.

See https://www.trichview.com/forums/viewtopic.php?t=15431

Demo projects

Demos\Recording\SpeechToText\

A new speech recognition demo has been added (in 3 versions: for VCL, for Lazarus, for FireMonkey).


speech-to-text.png


List of sample cameras

The list of public cameras used in many demo projects has been updated. Non-working cameras have ...

Local (USB) cameras

This update significantly optimizes the decoding of frames received from local webcams. This applies to Windows and Linux, where RVMedia performs frame decoding itself. (On macOS, RVMedia uses the operating system's built-in decoding facilities.) As a result, CPU usage is ...

Speech to text in RVMedia

Speech recognition is integrated into RVMedia in two places.

First, the TRVCamera component can perform speech recognition when it receives video with audio using FFmpeg (note that this requires FFmpeg 8 or later built with Whisper support). In this case, speech ...

FFmpeg 8

This release adds support for FFmpeg 8.
RVMedia now supports FFmpeg versions 1 through 8.

The RVMedia installation now includes an FFmpeg 8.1.1 build for Windows 64-bit with Whisper support (see below). This build is compatible with the LGPL license.
Options that require the GPL license ...

RVMedia 12.0 has been released.

The trial version can be downloaded from https://www.trichview.com/download/

The full version: can be found in the protected section of the forum. This update is free for customers who ordered/renewed RVMedia in 2024-2026, and for customers with RVMedia ...

The problems with the first video has been fixed in RVMedia 12.0.

Tables have methods for copying rows (including cell properties and content).
Saving to TMemoryStream:
table.SaveRowsToStream(Stream, StartRow_Src, RowCount_Src);

Loading rows from this Stream:
Table.BeforeLoading(rvlfRVF);
Table.LoadFromStreamEx(Stream, StartRow_Dst, 0, False);
Table ...