--- milena/mln/core/image/image2d_ffmpeg.hh | 60 ++++++++++++++++++++++-------- 1 files changed, 44 insertions(+), 16 deletions(-) diff --git a/milena/mln/core/image/image2d_ffmpeg.hh b/milena/mln/core/image/image2d_ffmpeg.hh index 6584f1d..12550cb 100644 --- a/milena/mln/core/image/image2d_ffmpeg.hh +++ b/milena/mln/core/image/image2d_ffmpeg.hh @@ -37,7 +37,6 @@ # include <mln/border/thickness.hh> # include <mln/value/set.hh> -# include <mln/fun/i2v/all_to.hh> @@ -68,7 +67,8 @@ namespace mln box2d b_; // theoretical box - void deallocate_(); + void deallocate_(); + // FIXME: we would like to get border information from ffmpeg. //box2d vb_; }; @@ -109,6 +109,20 @@ namespace mln typedef trait::image::ext_io::irrelevant ext_io; }; + + + // ch_value trait + + namespace impl + { + template < typename V, typename V2> + struct ch_value_< image2d_ffmpeg<tag::value_<V> >, V2> + { + typedef image2d<V2> ret; + }; + + } + } // end of namespace mln::trait @@ -241,9 +255,8 @@ namespace mln inline void init_(tag::image_t, image2d_ffmpeg<V>& target, const J& model) { - box2d b; - init_(tag::bbox, b, model); - target.init_(b); + std::cerr << "Not implemented" << std::endl; + abort(); } @@ -256,21 +269,29 @@ namespace mln data< image2d_ffmpeg<V> >::data(AVFrame *frame) : frame_(frame) { - b_ = make::box2d(frame->height, frame->linesize[0]); // frame->width ? - + b_ = make::box2d(frame->height, frame->width); // frame->width ? unsigned nr = frame->height, nc = frame->width; - + (void) nc; array_ = new V*[nr]; buffer_ = static_cast<V*>((void *)frame->data[0]); V* buf = static_cast<V*>((void *)frame->data[0]); for (unsigned i = 0; i < nr; ++i) - + { array_[i] = buf; - buf = frame->linesize; + buf += frame->linesize[0] / 3; } + + // FIXME: Not supporting padding for the moment! + int padding = frame->linesize[0] / 3 % frame->width; + if (padding) + { + std::cout << "This frame uses padding for memory alignment... " + << "Not supported for the moment!" << << std::endl; + abort(); + } } template <typename V> @@ -288,7 +309,6 @@ namespace mln { if (array_) { - array_ = b_.pmin().row(); delete[] array_; array_ = 0; } @@ -314,6 +334,14 @@ namespace mln template <typename V> inline + void + image2d_ffmpeg<V>::init_(const box2d&) + { + abort(); + } + + template <typename V> + inline const box2d& image2d_ffmpeg<V>::domain() const { @@ -432,7 +460,7 @@ namespace mln image2d_ffmpeg<V>::element(unsigned i) const { mln_precondition(i < nelements()); - return *(this->data_->buffer_[i]); + return this->data_->buffer_[i]; } template <typename V> @@ -441,7 +469,7 @@ namespace mln image2d_ffmpeg<V>::element(unsigned i) { mln_precondition(i < nelements()); - return *(this->data_->buffer_[i]); + return this->data_->buffer_[i]; } template <typename V> @@ -461,14 +489,14 @@ namespace mln mln_precondition(this->is_valid()); return this->data_->buffer_; } - + template <typename V> inline int image2d_ffmpeg<V>::delta_offset(const dpoint2d& dp) const { mln_precondition(this->is_valid()); - int o = dp[0] * this->data_->frame->linesize + dp[1]; + int o = dp[0] * this->data_->frame_->linesize[0] / 3 + dp[1]; return o; } @@ -486,7 +514,7 @@ namespace mln return p; } - + # endif // ! MLN_INCLUDE_ONLY -- 1.7.2.5