#include <iostream>
#include <sys/time.h>
#include <boost/algorithm/string.hpp>
+#include <boost/bind.hpp>
#include <openjpeg.h>
extern "C" {
#include <libavcodec/avcodec.h>
#include "exceptions.h"
#include "scaler.h"
-#ifdef DEBUG_HASH
-#include <mhash.h>
-#endif
-
using namespace std;
using namespace boost;
}
break;
case PIX_FMT_RGB24:
+ case PIX_FMT_RGBA:
return size().height;
default:
assert (false);
case PIX_FMT_YUV420P:
return 3;
case PIX_FMT_RGB24:
+ case PIX_FMT_RGBA:
return 1;
default:
assert (false);
return 0;
}
-#ifdef DEBUG_HASH
-/** Write a MD5 hash of the image's data to stdout.
- * @param n Title to give the output.
- */
-void
-Image::hash (string n) const
+shared_ptr<Image>
+Image::scale (Size out_size, Scaler const * scaler) const
{
- MHASH ht = mhash_init (MHASH_MD5);
- if (ht == MHASH_FAILED) {
- throw EncodeError ("could not create hash thread");
- }
-
- for (int i = 0; i < components(); ++i) {
- mhash (ht, data()[i], line_size()[i] * lines(i));
- }
-
- uint8_t hash[16];
- mhash_deinit (ht, hash);
-
- printf ("%s: ", n.c_str ());
- for (int i = 0; i < int (mhash_get_block_size (MHASH_MD5)); ++i) {
- printf ("%.2x", hash[i]);
- }
- printf ("\n");
+ assert (scaler);
+
+ shared_ptr<Image> scaled (new AlignedImage (pixel_format(), out_size));
+
+ struct SwsContext* scale_context = sws_getContext (
+ size().width, size().height, pixel_format(),
+ out_size.width, out_size.height, pixel_format(),
+ scaler->ffmpeg_id (), 0, 0, 0
+ );
+
+ sws_scale (
+ scale_context,
+ data(), stride(),
+ 0, size().height,
+ scaled->data(), scaled->stride()
+ );
+
+ sws_freeContext (scale_context);
+
+ return scaled;
}
-#endif
/** Scale this image to a given size and convert it to RGB.
* @param out_size Output image size in pixels.
* @param scaler Scaler to use.
*/
-shared_ptr<RGBFrameImage>
+shared_ptr<Image>
Image::scale_and_convert_to_rgb (Size out_size, int padding, Scaler const * scaler) const
{
assert (scaler);
Size content_size = out_size;
content_size.width -= (padding * 2);
- shared_ptr<RGBFrameImage> rgb (new RGBFrameImage (content_size));
-
+ shared_ptr<Image> rgb (new AlignedImage (PIX_FMT_RGB24, content_size));
+
struct SwsContext* scale_context = sws_getContext (
size().width, size().height, pixel_format(),
content_size.width, content_size.height, PIX_FMT_RGB24,
/* Scale and convert to RGB from whatever its currently in (which may be RGB) */
sws_scale (
scale_context,
- data(), line_size(),
+ data(), stride(),
0, size().height,
- rgb->data (), rgb->line_size ()
+ rgb->data(), rgb->stride()
);
/* Put the image in the right place in a black frame if are padding; this is
scheme of things.
*/
if (padding > 0) {
- shared_ptr<RGBFrameImage> padded_rgb (new RGBFrameImage (out_size));
+ shared_ptr<Image> padded_rgb (new AlignedImage (PIX_FMT_RGB24, out_size));
padded_rgb->make_black ();
/* XXX: we are cheating a bit here; we know the frame is RGB so we can
uint8_t* q = rgb->data()[0];
for (int j = 0; j < rgb->lines(0); ++j) {
memcpy (p, q, rgb->line_size()[0]);
- p += padded_rgb->line_size()[0];
- q += rgb->line_size()[0];
+ p += padded_rgb->stride()[0];
+ q += rgb->stride()[0];
}
rgb = padded_rgb;
* @param pp Flags for the required set of post processes.
* @return Post-processed image.
*/
-shared_ptr<PostProcessImage>
+shared_ptr<Image>
Image::post_process (string pp) const
{
- shared_ptr<PostProcessImage> out (new PostProcessImage (PIX_FMT_YUV420P, size ()));
+ shared_ptr<Image> out (new AlignedImage (PIX_FMT_YUV420P, size ()));
pp_mode* mode = pp_get_mode_by_name_and_quality (pp.c_str (), PP_QUALITY_MAX);
pp_context* context = pp_get_context (size().width, size().height, PP_FORMAT_420 | PP_CPU_CAPS_MMX2);
pp_postprocess (
- (const uint8_t **) data(), line_size(),
- out->data(), out->line_size(),
+ (const uint8_t **) data(), stride(),
+ out->data(), out->stride(),
size().width, size().height,
0, 0, mode, context, 0
);
{
switch (_pixel_format) {
case PIX_FMT_YUV420P:
- memset (data()[0], 0, lines(0) * line_size()[0]);
- memset (data()[1], 0x80, lines(1) * line_size()[1]);
- memset (data()[2], 0x80, lines(2) * line_size()[2]);
+ memset (data()[0], 0, lines(0) * stride()[0]);
+ memset (data()[1], 0x80, lines(1) * stride()[1]);
+ memset (data()[2], 0x80, lines(2) * stride()[2]);
break;
case PIX_FMT_RGB24:
- memset (data()[0], 0, lines(0) * line_size()[0]);
+ memset (data()[0], 0, lines(0) * stride()[0]);
break;
default:
}
}
+void
+Image::alpha_blend (shared_ptr<Image> other, Position position)
+{
+ /* Only implemented for RGBA onto RGB24 so far */
+ assert (_pixel_format == PIX_FMT_RGB24 && other->pixel_format() == PIX_FMT_RGBA);
+
+ int start_tx = position.x;
+ int start_ox = 0;
+
+ if (start_tx < 0) {
+ start_ox = -start_tx;
+ start_tx = 0;
+ }
+
+ int start_ty = position.y;
+ int start_oy = 0;
+
+ if (start_ty < 0) {
+ start_oy = -start_ty;
+ start_ty = 0;
+ }
+
+ for (int ty = start_ty, oy = start_oy; ty < size().height && oy < other->size().height; ++ty, ++oy) {
+ uint8_t* tp = data()[0] + ty * stride()[0] + position.x * 3;
+ uint8_t* op = other->data()[0] + oy * other->stride()[0];
+ for (int tx = start_tx, ox = start_ox; tx < size().width && ox < other->size().width; ++tx, ++ox) {
+ float const alpha = float (op[3]) / 255;
+ tp[0] = (tp[0] * (1 - alpha)) + op[0] * alpha;
+ tp[1] = (tp[1] * (1 - alpha)) + op[1] * alpha;
+ tp[2] = (tp[2] * (1 - alpha)) + op[2] * alpha;
+ tp += 3;
+ op += 4;
+ }
+ }
+}
+
+void
+Image::read_from_socket (shared_ptr<Socket> socket)
+{
+ for (int i = 0; i < components(); ++i) {
+ uint8_t* p = data()[i];
+ for (int y = 0; y < lines(i); ++y) {
+ socket->read_definite_and_consume (p, line_size()[i], 30);
+ p += stride()[i];
+ }
+ }
+}
+
+void
+Image::write_to_socket (shared_ptr<Socket> socket) const
+{
+ for (int i = 0; i < components(); ++i) {
+ uint8_t* p = data()[i];
+ for (int y = 0; y < lines(i); ++y) {
+ socket->write (p, line_size()[i], 30);
+ p += stride()[i];
+ }
+ }
+}
+
/** Construct a SimpleImage of a given size and format, allocating memory
* as required.
*
* @param p Pixel format.
* @param s Size in pixels.
*/
-SimpleImage::SimpleImage (PixelFormat p, Size s)
+SimpleImage::SimpleImage (PixelFormat p, Size s, function<int (int)> rounder)
: Image (p)
, _size (s)
{
- _data = (uint8_t **) av_malloc (components() * sizeof (uint8_t *));
- _line_size = (int *) av_malloc (components() * sizeof (int));
+ _data = (uint8_t **) av_malloc (4 * sizeof (uint8_t *));
+ _data[0] = _data[1] = _data[2] = _data[3] = 0;
+ _line_size = (int *) av_malloc (4);
+ _line_size[0] = _line_size[1] = _line_size[2] = _line_size[3] = 0;
+
+ _stride = (int *) av_malloc (4);
+ _stride[0] = _stride[1] = _stride[2] = _stride[3] = 0;
+
+ switch (p) {
+ case PIX_FMT_RGB24:
+ _line_size[0] = s.width * 3;
+ break;
+ case PIX_FMT_RGBA:
+ _line_size[0] = s.width * 4;
+ break;
+ case PIX_FMT_YUV420P:
+ _line_size[0] = s.width;
+ _line_size[1] = s.width / 2;
+ _line_size[2] = s.width / 2;
+ break;
+ default:
+ assert (false);
+ }
+
for (int i = 0; i < components(); ++i) {
- _data[i] = 0;
- _line_size[i] = 0;
+ _stride[i] = rounder (_line_size[i]);
+ _data[i] = (uint8_t *) av_malloc (_stride[i] * lines (i));
}
}
av_free (_data);
av_free (_line_size);
-}
-
-/** Set the size in bytes of each horizontal line of a given component.
- * @param i Component index.
- * @param s Size of line in bytes.
- */
-void
-SimpleImage::set_line_size (int i, int s)
-{
- _line_size[i] = s;
- _data[i] = (uint8_t *) av_malloc (s * lines (i));
+ av_free (_stride);
}
uint8_t **
return _line_size;
}
+int *
+SimpleImage::stride () const
+{
+ return _stride;
+}
+
Size
SimpleImage::size () const
{
return _size;
}
+AlignedImage::AlignedImage (PixelFormat f, Size s)
+ : SimpleImage (f, s, boost::bind (round_up, _1, 32))
+{
+
+}
+
+CompactImage::CompactImage (PixelFormat f, Size s)
+ : SimpleImage (f, s, boost::bind (round_up, _1, 1))
+{
+
+}
+
+CompactImage::CompactImage (shared_ptr<Image> im)
+ : SimpleImage (im->pixel_format(), im->size(), boost::bind (round_up, _1, 1))
+{
+ assert (components() == im->components());
+
+ for (int c = 0; c < components(); ++c) {
+
+ assert (line_size()[c] == im->line_size()[c]);
+
+ uint8_t* t = data()[c];
+ uint8_t* o = im->data()[c];
+
+ for (int y = 0; y < lines(c); ++y) {
+ memcpy (t, o, line_size()[c]);
+ t += stride()[c];
+ o += im->stride()[c];
+ }
+ }
+}
FilterBufferImage::FilterBufferImage (PixelFormat p, AVFilterBufferRef* b)
: Image (p)
return _buffer->linesize;
}
+int *
+FilterBufferImage::stride () const
+{
+ /* XXX? */
+ return _buffer->linesize;
+}
+
Size
FilterBufferImage::size () const
{
return _frame->linesize;
}
-Size
-RGBFrameImage::size () const
-{
- return _size;
-}
-
-PostProcessImage::PostProcessImage (PixelFormat p, Size s)
- : Image (p)
- , _size (s)
-{
- _data = new uint8_t*[4];
- _line_size = new int[4];
-
- for (int i = 0; i < 4; ++i) {
- _data[i] = (uint8_t *) av_malloc (s.width * s.height);
- _line_size[i] = s.width;
- }
-}
-
-PostProcessImage::~PostProcessImage ()
-{
- for (int i = 0; i < 4; ++i) {
- av_free (_data[i]);
- }
-
- delete[] _data;
- delete[] _line_size;
-}
-
-uint8_t **
-PostProcessImage::data () const
-{
- return _data;
-}
-
int *
-PostProcessImage::line_size () const
+RGBFrameImage::stride () const
{
- return _line_size;
+ /* XXX? */
+ return line_size ();
}
Size
-PostProcessImage::size () const
+RGBFrameImage::size () const
{
return _size;
}
projects / dcpomatic.git / blobdiff