174 lines
4.3 KiB
C++
174 lines
4.3 KiB
C++
// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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#ifndef ZM_VIDEO_H
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#define ZM_VIDEO_H
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#include "zm.h"
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#include "zm_rgb.h"
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#include "zm_utils.h"
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#include "zm_ffmpeg.h"
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#include "zm_buffer.h"
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/*
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#define HAVE_LIBX264 1
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#define HAVE_LIBMP4V2 1
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#define HAVE_X264_H 1
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#define HAVE_MP4_H 1
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*/
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#if HAVE_MP4V2_MP4V2_H
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#include <mp4v2/mp4v2.h>
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#endif
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#if HAVE_MP4V2_H
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#include <mp4v2.h>
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#endif
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#if HAVE_MP4_H
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#include <mp4.h>
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#endif
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#if HAVE_X264_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <x264.h>
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#ifdef __cplusplus
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}
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#endif
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#endif
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/* Structure for user parameters to the encoder */
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struct EncoderParameter_t {
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char pname[48];
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char pvalue[48];
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};
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int ParseEncoderParameters(const char* str, std::vector<EncoderParameter_t>* vec);
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/* VideoWriter is a generic interface that ZM uses to save events as videos */
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/* It is relatively simple and the functions are pure virtual, so they must be implemented by the deriving class */
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class VideoWriter {
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protected:
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std::string container;
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std::string codec;
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std::string path;
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unsigned int width;
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unsigned int height;
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unsigned int colours;
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unsigned int subpixelorder;
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unsigned int frame_count;
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public:
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VideoWriter(const char* p_container, const char* p_codec, const char* p_path, const unsigned int p_width, const unsigned int p_height, const unsigned int p_colours, const unsigned int p_subpixelorder);
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virtual ~VideoWriter();
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virtual int Encode(const uint8_t* data, const size_t data_size, const unsigned int frame_time) = 0;
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virtual int Encode(const Image* img, const unsigned int frame_time) = 0;
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virtual int Open() = 0;
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virtual int Close() = 0;
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virtual int Reset(const char* new_path = NULL);
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const char* GetContainer() const {
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return container.c_str();
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}
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const char* GetCodec() const {
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return codec.c_str();
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}
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const char* GetPath() const {
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return path.c_str();
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}
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unsigned int GetWidth() const {
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return width;
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}
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unsigned int GetHeight() const {
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return height;
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}
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unsigned int GetColours() const {
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return colours;
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}
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unsigned int GetSubpixelorder () const {
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return subpixelorder;
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}
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unsigned int GetFrameCount() const {
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return frame_count;
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}
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};
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#if HAVE_LIBX264 && HAVE_LIBMP4V2 && HAVE_LIBAVUTIL && HAVE_LIBSWSCALE
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#define ZM_HAVE_VIDEOWRITER_X264MP4 1
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class X264MP4Writer : public VideoWriter {
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protected:
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bool bOpen;
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bool bGotH264AVCInfo;
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bool bFirstFrame;
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/* SWScale */
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SWScale swscaleobj;
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enum _AVPIXELFORMAT zm_pf;
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enum _AVPIXELFORMAT codec_pf;
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size_t codec_imgsize;
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size_t zm_imgsize;
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/* User parameters */
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std::vector<EncoderParameter_t> user_params;
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/* AVC Information */
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uint8_t x264_profleindication;
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uint8_t x264_profilecompat;
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uint8_t x264_levelindication;
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/* NALs */
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Buffer buffer;
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/* Previous frame */
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int prevPTS;
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int prevDTS;
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bool prevKeyframe;
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Buffer prevpayload;
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std::vector<x264_nal_t> prevnals;
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/* Internal functions */
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int x264config();
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void x264encodeloop(bool bFlush = false);
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/* x264 objects */
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x264_t* x264enc;
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x264_param_t x264params;
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x264_picture_t x264picin;
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x264_picture_t x264picout;
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/* MP4v2 objects */
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MP4FileHandle mp4h;
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MP4TrackId mp4vtid;
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public:
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X264MP4Writer(const char* p_path, const unsigned int p_width, const unsigned int p_height, const unsigned int p_colours, const unsigned int p_subpixelorder, const std::vector<EncoderParameter_t>* p_user_params = NULL);
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~X264MP4Writer();
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int Encode(const uint8_t* data, const size_t data_size, const unsigned int frame_time);
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int Encode(const Image* img, const unsigned int frame_time);
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int Open();
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int Close();
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int Reset(const char* new_path = NULL);
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};
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#endif // HAVE_LIBX264 && HAVE_LIBMP4V2 && HAVE_LIBAVUTIL && HAVE_LIBSWSCALE
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#endif // ZM_VIDEO_H
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