/// <summary>
/// Initializes a new instance of the <see cref="AVCodec"/> class.
/// </summary>
/// <param name="client">
/// An implementation of the <see cref="FFmpegClient"/> which provides access to the native FFmpeg functions.
/// </param>
/// <param name="stream">
/// The identifier of the requested codec.
/// </param>
public AVCodec(FFmpegClient client, AVStream stream)
{
this.context = stream.CodecContext;
this.native = (NativeAVCodec *)client.FindDecoder(context->codec_id);
this.client = client;
if ((this.Capabilities & AVCodecCapabilities.Truncated) == AVCodecCapabilities.Truncated)
{
context->flags |= (int)AVCodecCapabilities.Truncated;
}
this.Open(this.context);
}
/// <summary>
/// Initializes a new instance of the <see cref="AVCodec"/> class.
/// </summary>
/// <param name="client">
/// An implementation of the <see cref="FFmpegClient"/> which provides access to the native FFmpeg functions.
/// </param>
/// <param name="context">
/// The the native codec context.
/// </param>
/// <param name="codec">
/// The netive codec object.
/// </param>
/// <remarks>
/// Use only for testing purposes.
/// </remarks>
public AVCodec(FFmpegClient client, NativeAVCodecContext *context, NativeAVCodec *codec)
{
this.context = context;
this.native = codec;
this.client = client;
}
/// <summary>
/// Close a given AVCodecContext and free all the data associated with it (but not the AVCodecContext itself).
/// </summary>
/// <param name="context">
/// The context.
/// </param>
public void Close(NativeAVCodecContext *context)
{
this.client.CloseCodec(context);
}
/// <summary>
/// Initialize the AVCodecContext to use the given AVCodec.
/// </summary>
/// <param name="context">
/// The context to initialize.
/// </param>
public void Open(NativeAVCodecContext *context)
{
var ret = this.client.OpenCodec(context, this.native, null);
this.client.ThrowOnAVError(ret);
}
