/// <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>
/// Initialize the AVCodecContext to use the given AVCodec.
/// </summary>
/// <param name="codecContext">
/// The context to initialize.
/// </param>
/// <param name="codec">
/// The codec to open this context for.
/// </param>
/// <param name="options">
/// A dictionary filled with AVCodecContext and codec-private options.
/// </param>
/// <returns>
/// zero on success, a negative value on error.
/// </returns>
public int OpenCodec(AVCodecContext *codecContext, NativeAVCodec *codec, NativeAVDictionary **options)
{
return(ffmpeg.avcodec_open2(codecContext, codec, options));
}
/// <summary>
/// Returns a value indicating whether the codec is an encoder.
/// </summary>
/// <param name="codec">
/// The codec.
/// </param>
/// <returns>
/// Avalue indicating whether the codec is an encoder.
/// </returns>
public bool IsEncoder(NativeAVCodec *codec)
{
return(ffmpeg.av_codec_is_encoder(codec) > 0);
}
/// <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;
}
