* Copyright 2011, Haiku Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* SHINTA
*/
#include "ImageTrackVideoSupplier.h"
#include <string.h>
ImageTrackVideoSupplier::ImageTrackVideoSupplier(BBitmap* bitmap,
int32 trackIndex, status_t& initStatus)
:
VideoTrackSupplier(),
fPerformanceTime(0),
fDuration(0),
fCurrentFrame(0),
fBitmap(bitmap),
fTrackIndex(trackIndex)
{
fFormat.type = B_MEDIA_ENCODED_VIDEO;
fFormat.u.encoded_video.output.field_rate = 0.0;
fFormat.u.encoded_video.output.interlace = 1;
fFormat.u.encoded_video.output.first_active = 0;
fFormat.u.encoded_video.output.orientation = B_VIDEO_TOP_LEFT_RIGHT;
fFormat.u.encoded_video.output.display.format = B_RGB32;
fFormat.u.encoded_video.output.pixel_width_aspect
= fFormat.u.raw_video.display.line_width
= static_cast<int32>(fBitmap->Bounds().right) + 1;
fFormat.u.encoded_video.output.pixel_height_aspect
= fFormat.u.raw_video.display.line_count
= static_cast<int32>(fBitmap->Bounds().bottom) + 1;
fFormat.u.encoded_video.output.display.bytes_per_row
= fFormat.u.raw_video.display.line_width * sizeof(int32);
fFormat.u.encoded_video.output.display.pixel_offset = 0;
fFormat.u.encoded_video.output.display.line_offset = 0;
fFormat.u.encoded_video.output.display.flags = 0;
fFormat.u.encoded_video.output.last_active
= fFormat.u.raw_video.display.line_count - 1;
fFormat.u.encoded_video.avg_bit_rate = 0.0;
fFormat.u.encoded_video.max_bit_rate = 0.0;
fFormat.u.encoded_video.encoding = media_encoded_video_format::B_ANY;
fFormat.u.encoded_video.frame_size
= fFormat.u.encoded_video.output.display.bytes_per_row *
fFormat.u.raw_video.display.line_count;
fFormat.u.encoded_video.forward_history = 0;
fFormat.u.encoded_video.backward_history = 0;
initStatus = B_OK;
}
ImageTrackVideoSupplier::~ImageTrackVideoSupplier()
{
}
const media_format&
ImageTrackVideoSupplier::Format() const
{
return fFormat;
}
status_t
ImageTrackVideoSupplier::GetEncodedFormat(media_format* format) const
{
*format = fFormat;
return B_OK;
}
status_t
ImageTrackVideoSupplier::GetCodecInfo(media_codec_info* info) const
{
strlcpy(info->pretty_name, "Artwork (static image)",
sizeof(info->pretty_name));
strlcpy(info->short_name, "Artwork", sizeof(info->short_name));
info->id = info->sub_id = 0;
return B_OK;
}
status_t
ImageTrackVideoSupplier::ReadFrame(void* buffer, bigtime_t* performanceTime,
const media_raw_video_format& format, bool& wasCached)
{
uint32 size = format.display.bytes_per_row * format.display.line_count;
memcpy(buffer, fBitmap->Bits(), size);
return B_OK;
}
status_t
ImageTrackVideoSupplier::FindKeyFrameForFrame(int64* frame)
{
return B_OK;
}
status_t
ImageTrackVideoSupplier::SeekToTime(bigtime_t* performanceTime)
{
return B_OK;
}
status_t
ImageTrackVideoSupplier::SeekToFrame(int64* frame)
{
return B_OK;
}
