Examples with EncoderException org.opencastproject.composer.api.EncoderException used on opensource projects

Example 31 with EncoderException

use of org.opencastproject.composer.api.EncoderException in project opencast by opencast.

the class ComposerRestService method imageToVideo.

/**
 * Transforms an image attachment to a video track
 *
 * @param sourceAttachmentXml
 *          The source image attachment
 * @param profileId
 *          The profile to use for encoding
 * @param timeString
 *          the length of the resulting video track in seconds
 * @return A {@link Response} with the resulting track in the response body
 * @throws Exception
 */
@POST
@Path("imagetovideo")
@Produces(MediaType.TEXT_XML)
@RestQuery(name = "imagetovideo", description = "Starts an image converting process to a video, based on the specified encoding profile ID and the source image attachment", restParameters = { @RestParameter(description = "The resulting video time in seconds", isRequired = false, name = "time", type = Type.STRING, defaultValue = "1"), @RestParameter(description = "The attachment containing the image to convert", isRequired = true, name = "sourceAttachment", type = Type.TEXT), @RestParameter(description = "The encoding profile to use", isRequired = true, name = "profileId", type = Type.STRING) }, reponses = { @RestResponse(description = "Results in an xml document containing the video track", responseCode = HttpServletResponse.SC_OK), @RestResponse(description = "If required parameters aren't set or if sourceAttachment isn't from the type Attachment", responseCode = HttpServletResponse.SC_BAD_REQUEST) }, returnDescription = "")
public Response imageToVideo(@FormParam("sourceAttachment") String sourceAttachmentXml, @FormParam("profileId") String profileId, @FormParam("time") @DefaultValue("1") String timeString) throws Exception {
    // Ensure that the POST parameters are present
    if (StringUtils.isBlank(sourceAttachmentXml) || StringUtils.isBlank(profileId))
        return Response.status(Response.Status.BAD_REQUEST).entity("sourceAttachment and profileId must not be null").build();
    // parse time
    Double time;
    try {
        time = Double.parseDouble(timeString);
    } catch (Exception e) {
        logger.info("Unable to parse time {} as long value!", timeString);
        return Response.status(Response.Status.BAD_REQUEST).entity("Could not parse time: invalid format").build();
    }
    // Deserialize the source track
    MediaPackageElement sourceAttachment = MediaPackageElementParser.getFromXml(sourceAttachmentXml);
    if (!Attachment.TYPE.equals(sourceAttachment.getElementType()))
        return Response.status(Response.Status.BAD_REQUEST).entity("sourceAttachment element must be of type attachment").build();
    try {
        // Asynchronously convert the specified attachment to a video
        Job job = composerService.imageToVideo((Attachment) sourceAttachment, profileId, time);
        return Response.ok().entity(new JaxbJob(job)).build();
    } catch (EncoderException e) {
        logger.warn("Unable to convert image to video: " + e.getMessage());
        return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
    }
}

Example 32 with EncoderException

use of org.opencastproject.composer.api.EncoderException in project opencast by opencast.

the class ComposerRestService method trim.

/**
 * Trims a track to a new length.
 *
 * @param sourceTrackAsXml
 *          The source track
 * @param profileId
 *          the encoding profile to use for trimming
 * @param start
 *          the new trimming start time
 * @param duration
 *          the new video duration
 * @return A response containing the job for this encoding job in the response body.
 * @throws Exception
 */
@POST
@Path("trim")
@Produces(MediaType.TEXT_XML)
@RestQuery(name = "trim", description = "Starts a trimming process, based on the specified track, start time and duration in ms", restParameters = { @RestParameter(description = "The track containing the stream", isRequired = true, name = "sourceTrack", type = Type.TEXT, defaultValue = "${this.videoTrackDefault}"), @RestParameter(description = "The encoding profile to use for trimming", isRequired = true, name = "profileId", type = Type.STRING, defaultValue = "trim.work"), @RestParameter(description = "The start time in milisecond", isRequired = true, name = "start", type = Type.STRING, defaultValue = "0"), @RestParameter(description = "The duration in milisecond", isRequired = true, name = "duration", type = Type.STRING, defaultValue = "10000") }, reponses = { @RestResponse(description = "Results in an xml document containing the job for the trimming task", responseCode = HttpServletResponse.SC_OK), @RestResponse(description = "If the start time is negative or exceeds the track duration", responseCode = HttpServletResponse.SC_BAD_REQUEST), @RestResponse(description = "If the duration is negative or, including the new start time, exceeds the track duration", responseCode = HttpServletResponse.SC_BAD_REQUEST) }, returnDescription = "")
public Response trim(@FormParam("sourceTrack") String sourceTrackAsXml, @FormParam("profileId") String profileId, @FormParam("start") long start, @FormParam("duration") long duration) throws Exception {
    // Ensure that the POST parameters are present
    if (StringUtils.isBlank(sourceTrackAsXml) || StringUtils.isBlank(profileId))
        return Response.status(Response.Status.BAD_REQUEST).entity("sourceTrack and profileId must not be null").build();
    // Deserialize the track
    MediaPackageElement sourceElement = MediaPackageElementParser.getFromXml(sourceTrackAsXml);
    if (!Track.TYPE.equals(sourceElement.getElementType()))
        return Response.status(Response.Status.BAD_REQUEST).entity("sourceTrack element must be of type track").build();
    // Make sure the trim times make sense
    Track sourceTrack = (Track) sourceElement;
    if (sourceTrack.getDuration() == null)
        return Response.status(Response.Status.BAD_REQUEST).entity("sourceTrack element does not have a duration").build();
    if (start < 0) {
        start = 0;
    } else if (duration <= 0) {
        duration = (sourceTrack.getDuration() - start);
    } else if (start + duration > sourceTrack.getDuration()) {
        duration = (sourceTrack.getDuration() - start);
    }
    try {
        // Asynchronously encode the specified tracks
        Job job = composerService.trim(sourceTrack, profileId, start, duration);
        return Response.ok().entity(new JaxbJob(job)).build();
    } catch (EncoderException e) {
        logger.warn("Unable to trim the track: " + e.getMessage());
        return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
    }
}

Example 33 with EncoderException

use of org.opencastproject.composer.api.EncoderException in project opencast by opencast.

the class ComposerRestService method concat.

/**
 * Concat multiple tracks having the same codec to a single track.
 *
 * @param sourceTracksXml
 *          an array of track to concat in order of the array as XML
 * @param profileId
 *          The encoding profile to use
 * @param outputDimension
 *          The output dimension as JSON
 * @return A {@link Response} with the resulting track in the response body
 * @throws Exception
 */
@POST
@Path("concat")
@Produces(MediaType.TEXT_XML)
@RestQuery(name = "concat", description = "Starts a video concating process from multiple videos, based on the specified encoding profile ID and the source tracks", restParameters = { @RestParameter(description = "The source tracks to concat as XML", isRequired = true, name = "sourceTracks", type = Type.TEXT), @RestParameter(description = "The encoding profile to use", isRequired = true, name = "profileId", type = Type.STRING), @RestParameter(description = "The resolution dimension of the concat video as JSON", isRequired = false, name = "outputDimension", type = Type.STRING), @RestParameter(description = "The  frame rate of the concat video (should be positive, e.g. 25.0). Negative values and zero will deactivate frame rate operation.", isRequired = false, name = "outputFrameRate", type = Type.STRING) }, reponses = { @RestResponse(description = "Results in an xml document containing the video track", responseCode = HttpServletResponse.SC_OK), @RestResponse(description = "If required parameters aren't set or if sourceTracks aren't from the type Track or not at least two tracks are present", responseCode = HttpServletResponse.SC_BAD_REQUEST) }, returnDescription = "")
public Response concat(@FormParam("sourceTracks") String sourceTracksXml, @FormParam("profileId") String profileId, @FormParam("outputDimension") String outputDimension, @FormParam("outputFrameRate") String outputFrameRate) throws Exception {
    // Ensure that the POST parameters are present
    if (StringUtils.isBlank(sourceTracksXml) || StringUtils.isBlank(profileId))
        return Response.status(Response.Status.BAD_REQUEST).entity("sourceTracks and profileId must not be null").build();
    // Deserialize the source track
    List<? extends MediaPackageElement> tracks = MediaPackageElementParser.getArrayFromXml(sourceTracksXml);
    if (tracks.size() < 2)
        return Response.status(Response.Status.BAD_REQUEST).entity("At least two tracks must be set to concat").build();
    for (MediaPackageElement elem : tracks) {
        if (!Track.TYPE.equals(elem.getElementType()))
            return Response.status(Response.Status.BAD_REQUEST).entity("sourceTracks must be of type track").build();
    }
    float fps = NumberUtils.toFloat(outputFrameRate, -1.0f);
    try {
        // Asynchronously concat the specified tracks together
        Dimension dimension = null;
        if (StringUtils.isNotBlank(outputDimension)) {
            dimension = Serializer.dimension(JsonObj.jsonObj(outputDimension));
        }
        Job job = null;
        if (fps > 0) {
            job = composerService.concat(profileId, dimension, fps, tracks.toArray(new Track[tracks.size()]));
        } else {
            job = composerService.concat(profileId, dimension, tracks.toArray(new Track[tracks.size()]));
        }
        return Response.ok().entity(new JaxbJob(job)).build();
    } catch (EncoderException e) {
        logger.warn("Unable to concat videos: " + e.getMessage());
        return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
    }
}

Example 34 with EncoderException

use of org.opencastproject.composer.api.EncoderException in project opencast by opencast.

the class ComposerServiceRemoteImpl method mux.

/**
 * {@inheritDoc}
 *
 * @see org.opencastproject.composer.api.ComposerService#mux(org.opencastproject.mediapackage.Track,
 *      org.opencastproject.mediapackage.Track, java.lang.String)
 */
@Override
public Job mux(Track sourceVideoTrack, Track sourceAudioTrack, String profileId) throws EncoderException {
    HttpPost post = new HttpPost("/mux");
    try {
        List<BasicNameValuePair> params = new ArrayList<BasicNameValuePair>();
        params.add(new BasicNameValuePair("videoSourceTrack", MediaPackageElementParser.getAsXml(sourceVideoTrack)));
        params.add(new BasicNameValuePair("audioSourceTrack", MediaPackageElementParser.getAsXml(sourceAudioTrack)));
        params.add(new BasicNameValuePair("profileId", profileId));
        post.setEntity(new UrlEncodedFormEntity(params));
    } catch (Exception e) {
        throw new EncoderException("Unable to assemble a remote composer request", e);
    }
    HttpResponse response = null;
    try {
        response = getResponse(post);
        if (response != null) {
            String content = EntityUtils.toString(response.getEntity());
            Job r = JobParser.parseJob(content);
            logger.info("Muxing job {} started on a remote composer", r.getId());
            return r;
        }
    } catch (IOException e) {
        throw new EncoderException(e);
    } finally {
        closeConnection(response);
    }
    throw new EncoderException("Unable to mux tracks " + sourceVideoTrack + " and " + sourceAudioTrack + " using a remote composer");
}

Example 35 with EncoderException

use of org.opencastproject.composer.api.EncoderException in project opencast by opencast.

the class ComposerServiceRemoteImpl method parallelEncode.

/**
 * {@inheritDoc}
 */
@Override
public Job parallelEncode(Track sourceTrack, String profileId) throws EncoderException {
    HttpPost post = new HttpPost("/parallelencode");
    try {
        List<BasicNameValuePair> params = new ArrayList<>();
        params.add(new BasicNameValuePair("sourceTrack", MediaPackageElementParser.getAsXml(sourceTrack)));
        params.add(new BasicNameValuePair("profileId", profileId));
        post.setEntity(new UrlEncodedFormEntity(params));
    } catch (Exception e) {
        throw new EncoderException("Unable to assemble a remote composer request for track " + sourceTrack, e);
    }
    HttpResponse response = null;
    try {
        response = getResponse(post);
        if (response != null) {
            String content = EntityUtils.toString(response.getEntity());
            Job r = JobParser.parseJob(content);
            logger.info("Encoding job {} started on a remote composer", r.getId());
            return r;
        }
    } catch (Exception e) {
        throw new EncoderException("Unable to encode track " + sourceTrack + " using a remote composer service", e);
    } finally {
        closeConnection(response);
    }
    throw new EncoderException("Unable to encode track " + sourceTrack + " using a remote composer service");
}