summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authordeva <deva>2005-05-07 10:25:34 +0000
committerdeva <deva>2005-05-07 10:25:34 +0000
commit8d535e795ef79b17394f3daeac11ed5600b36682 (patch)
treed97614a0e805cab517f66afa5595b3b7974c8718 /src
parent19bc99be32db5a65c1596ee8beb49a2b3c0d5abd (diff)
Removed ffmpeg code from img_encoder and corrected decoding errors in mov_encoder
Diffstat (limited to 'src')
-rw-r--r--src/Makefile.am6
-rw-r--r--src/camera.cc6
-rw-r--r--src/camera.h6
-rw-r--r--src/decoder.h6
-rw-r--r--src/img_encoder.cc96
-rw-r--r--src/img_encoder.h9
-rw-r--r--src/mov_encoder.cc77
-rw-r--r--src/queue.h8
8 files changed, 137 insertions, 77 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index b934ed1..11f5416 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -4,8 +4,7 @@
AM_CXXFLAGS := $(CXXFLAGS) $(EXTRA_CXXFLAGS) -I../include $(QT_CXXFLAGS) \
-DQT_THREAD_SUPPORT \
-DPIXMAPS=\"$(datadir)/pixmaps\" \
- -DETC=\"$(prefix)/etc/miav\" \
- -I/usr/include/ffmpeg
+ -DETC=\"$(prefix)/etc/miav\"
bin_PROGRAMS = miav
@@ -64,8 +63,7 @@ EXTRA_DIST = \
info_gui.h \
info_console.h
-miav_LDADD := $(shell if [ $QT_CXXFLAGS ] ; then ../tools/MocList o; fi ) \
- -lavcodec -lavformat
+miav_LDADD := $(shell if [ $QT_CXXFLAGS ] ; then ../tools/MocList o; fi )
miav_MOC = $(shell if [ $QT_CXXFLAGS ] ; then ../tools/MocList cc; fi )
diff --git a/src/camera.cc b/src/camera.cc
index 57f4a17..7bb1e79 100644
--- a/src/camera.cc
+++ b/src/camera.cc
@@ -31,6 +31,10 @@
/*
* $Log$
+ * Revision 1.15 2005/05/07 10:25:34 deva
+ *
+ * Removed ffmpeg code from img_encoder and corrected decoding errors in mov_encoder
+ *
* Revision 1.14 2005/05/03 08:31:59 deva
* Removed the error object, and replaced it with a more generic info object.
*
@@ -76,7 +80,7 @@ void Camera::connect(const char *ip, const int port)
*/
running = 1;
- av_register_all();
+ // av_register_all();
encode_queue = new Queue<Frame>(); // infinite size
player_queue = new Queue<Frame>(1); // fixed size of 1
diff --git a/src/camera.h b/src/camera.h
index a75acea..b1aef2e 100644
--- a/src/camera.h
+++ b/src/camera.h
@@ -31,6 +31,10 @@
/*
* $Log$
+ * Revision 1.11 2005/05/07 10:25:34 deva
+ *
+ * Removed ffmpeg code from img_encoder and corrected decoding errors in mov_encoder
+ *
* Revision 1.10 2005/05/03 08:31:59 deva
* Removed the error object, and replaced it with a more generic info object.
*
@@ -55,7 +59,7 @@ using namespace std;
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
-#include <avformat.h>
+//#include <avformat.h>
#include "util.h"
#include "queue.h"
diff --git a/src/decoder.h b/src/decoder.h
index 68247f8..385858e 100644
--- a/src/decoder.h
+++ b/src/decoder.h
@@ -38,6 +38,10 @@
/*
* $Log$
+ * Revision 1.13 2005/05/07 10:25:34 deva
+ *
+ * Removed ffmpeg code from img_encoder and corrected decoding errors in mov_encoder
+ *
* Revision 1.12 2005/05/03 08:31:59 deva
* Removed the error object, and replaced it with a more generic info object.
*
@@ -102,7 +106,7 @@ private:
volatile bool b_record;
Info *info;
- AVCodecContext dvcodec;
+ // AVCodecContext dvcodec;
sem_t *encode_sem;
sem_t *player_sem;
diff --git a/src/img_encoder.cc b/src/img_encoder.cc
index eeddec3..7aca367 100644
--- a/src/img_encoder.cc
+++ b/src/img_encoder.cc
@@ -39,6 +39,10 @@
/*
* $Log$
+ * Revision 1.8 2005/05/07 10:25:34 deva
+ *
+ * Removed ffmpeg code from img_encoder and corrected decoding errors in mov_encoder
+ *
* Revision 1.7 2005/05/03 08:31:59 deva
* Removed the error object, and replaced it with a more generic info object.
*
@@ -48,76 +52,29 @@
#include "img_encoder.h"
#include <stdio.h>
-//#include <setjmp.h>
#include "debug.h"
-//av_alloc_format_context
-//av_destruct_packet_nofree
+// Use libdv
+#include <libdv/dv.h>
+#include <libdv/dv_types.h>
ImgEncoder::ImgEncoder()
{
- //////////////////// GLOBAL INIT
- av_register_all();
-
- //////////////////// DECODE INIT
- AVCodec *deccodec;
-
- // find the dvvideo decoder
- deccodec = avcodec_find_decoder(CODEC_ID_DVVIDEO);
- if (!deccodec) {
- fprintf(stderr, "codec not found\n");
- exit(1);
- }
-
- dcc= avcodec_alloc_context(); ALLOC(dcc, "img_encoder, dcc");
-
- // open it
- if (avcodec_open(dcc, deccodec) < 0) {
- fprintf(stderr, "could not open codec\n");
- exit(1);
- }
}
ImgEncoder::~ImgEncoder()
{
- // FIXME: free: deccodec and dcc
}
void ImgEncoder::encode(Frame *dvframe,
char *filename,
int quality)
{
- int ret;
- AVFrame *rawframe = avcodec_alloc_frame(); ALLOC(dcc, "img_encoder, rawframe");
-
- ///////////////////////// DECODE
- uint8_t *ptr;
- int got_picture = 1;
- int len;
-
- ptr = (uint8_t *)dvframe->data;
- len = dvframe->size;
+ unsigned char rgb[720*576*4];
- ret = avcodec_decode_video(dcc, rawframe, &got_picture, ptr, len);
-
- if(!ret) {
- printf("Decoder fuckup!\n");
- return;
- }
-
- // TODO: Do image convertion here!
- AVPicture pict;
- avpicture_alloc(&pict,PIX_FMT_RGB24, 720, 576); ALLOC(dcc, "img_encoder, pict");
-
- img_convert(&pict, PIX_FMT_RGB24, (AVPicture *)rawframe,
- PIX_FMT_YUV420P, 720, 576);
- printf("converted\n");
- writeJPEGFile(filename, quality, (JSAMPLE*)(pict.data[0]), 720, 576);
- printf("written\n");
-
- avpicture_free(&pict); FREE(&pict);
- av_free(rawframe); FREE(rawframe);
+ getRGB(dvframe, rgb);
+ writeJPEGFile(filename, quality, (JSAMPLE*)rgb, 720, 576);
}
///////////////////////////////////////////////////////////////////////////////////////////
@@ -184,3 +141,36 @@ void ImgEncoder::writeJPEGFile(char *filename,
// Step 7: release JPEG compression object
jpeg_destroy_compress(&cinfo);
}
+
+void ImgEncoder::getRGB(Frame *frame, unsigned char *rgb)
+{
+ unsigned char *pixels[3];
+ int pitches[3];
+
+ pixels[ 0 ] = rgb;
+ pixels[ 1 ] = NULL;
+ pixels[ 2 ] = NULL;
+
+ pitches[ 0 ] = 720 * 3;
+ pitches[ 1 ] = 0;
+ pitches[ 2 ] = 0;
+
+ dv_decoder_t *decoder = dv_decoder_new(FALSE/*this value is unused*/, FALSE, FALSE);
+ decoder->quality = DV_QUALITY_BEST;
+
+ dv_parse_header(decoder, frame->data);
+
+ decoder->system = e_dv_system_625_50; // PAL lines, PAL framerate
+ decoder->sampling = e_dv_sample_422; // 4 bytes y, 2 bytes u, 2 bytes v
+ decoder->std = e_dv_std_iec_61834;
+ decoder->num_dif_seqs = 12;
+
+ // libdv img decode to rgb
+ dv_decode_full_frame(decoder,
+ frame->data,
+ e_dv_color_rgb,
+ pixels,
+ pitches);
+
+ dv_decoder_free(decoder);
+}
diff --git a/src/img_encoder.h b/src/img_encoder.h
index 693bba2..4ffec57 100644
--- a/src/img_encoder.h
+++ b/src/img_encoder.h
@@ -38,6 +38,10 @@
/*
* $Log$
+ * Revision 1.7 2005/05/07 10:25:34 deva
+ *
+ * Removed ffmpeg code from img_encoder and corrected decoding errors in mov_encoder
+ *
* Revision 1.6 2005/05/03 08:31:59 deva
* Removed the error object, and replaced it with a more generic info object.
*
@@ -54,7 +58,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <avformat.h>
+//#include <avformat.h>
extern "C" {
#ifdef HAVE_STDLIB_H
#undef HAVE_STDLIB_H
@@ -79,6 +83,8 @@ class ImgEncoder {
int image_height); // Number of rows in image
private:
+ void getRGB(Frame *frame, unsigned char *rgb);
+ /*
// Decoder
AVFormatContext *dfc;
AVCodecContext *dcc;
@@ -89,6 +95,7 @@ class ImgEncoder {
AVPacket epkt;
unsigned char *video_buffer;
// AVPacket pkt;
+ */
};
#endif /*__RTVIDEOREC_IMGENCODER_H*/
diff --git a/src/mov_encoder.cc b/src/mov_encoder.cc
index 4eae91b..bce80f7 100644
--- a/src/mov_encoder.cc
+++ b/src/mov_encoder.cc
@@ -39,6 +39,10 @@
/*
* $Log$
+ * Revision 1.13 2005/05/07 10:25:34 deva
+ *
+ * Removed ffmpeg code from img_encoder and corrected decoding errors in mov_encoder
+ *
* Revision 1.12 2005/05/05 20:41:38 deva
*
* Removed the last pieces of ffmpeg... replaced it with libfame...
@@ -134,12 +138,12 @@ MovEncoder::MovEncoder(const char *filename)
// frames_per_sequence is the maximum number of frames contained in a video
// sequence.
- fame_par.frames_per_sequence = 25 * 60 * 60 * 2; // 25 fps in two hours.
+ fame_par.frames_per_sequence = 1024;//25 * 60 * 60 * 2; // 25 fps in two hours.
// frame_rate_num/frame_rate_den specify the number of frames per second for
// playback.
- fame_par.frame_rate_num = 25; // 25 / 1 fps = 25 fps
- fame_par.frame_rate_den = 1;
+ fame_par.frame_rate_num = 10;//25; // 25 / 1 fps = 25 fps
+ fame_par.frame_rate_den = 30000;//1;
// shape_quality is percentage determing the average binary shape accuracy in
// video with arbitrary shape.
@@ -148,7 +152,7 @@ MovEncoder::MovEncoder(const char *filename)
// search_range specifies the motion estimation search range in pixel unit.
// Small search ranges work best with slow motion videos, whereas larger search
// ranges are rather for fast motion videos.
- fame_par.search_range = 42; // FIXME: No idea what this should be!?
+ fame_par.search_range = 10; // FIXME: No idea what this should be!?
// verbose when set to 1 outputs information on copyright, modules used and
// current frame on standard error.
@@ -175,18 +179,33 @@ void MovEncoder::encode(Frame *dvframe)
encode_audio(dvframe);
}
+
+#define _CLAMP(x) (unsigned char) ((x)<0?0:(((x)>255)?255:(x)))
+
+inline void rgb_to_yuv(unsigned char *rgb, unsigned char &y, unsigned char &u, unsigned char &v)
+{
+ y = _CLAMP( 0.257 * rgb[0] + 0.504 * rgb[1] + 0.098 * rgb[2] + 16);
+ v = _CLAMP( 0.439 * rgb[0] - 0.368 * rgb[1] - 0.071 * rgb[2] + 128);
+ u = _CLAMP(-0.148 * rgb[0] - 0.291 * rgb[1] + 0.439 * rgb[2] + 128);
+}
+
void MovEncoder::encode_video(Frame *dvframe)
{
// Decode DV Frame to YUV
+ int w = 720;
+ int h = 576;
+ unsigned char rgb[720*576*4];
+
unsigned char *pixels[3];
int pitches[3];
- pitches[0] = yuv.w;
- pitches[1] = yuv.h;
- pitches[2] = yuv.p;
- pixels[0] = yuv.y;
- pixels[1] = yuv.u;
- pixels[2] = yuv.v;
+ pixels[ 0 ] = rgb;
+ pixels[ 1 ] = NULL;
+ pixels[ 2 ] = NULL;
+
+ pitches[ 0 ] = 720 * 3;
+ pitches[ 1 ] = 0;
+ pitches[ 2 ] = 0;
if(!dvdecoder) {
dvdecoder = dv_decoder_new(FALSE/*this value is unused*/, FALSE, FALSE);
@@ -203,14 +222,44 @@ void MovEncoder::encode_video(Frame *dvframe)
dv_decode_full_frame(dvdecoder,
dvframe->data,
- e_dv_color_yuv,
+ e_dv_color_rgb,
pixels,
pitches);
-
+
+ /*
+ e_dv_color_yuv,
+ (uint8_t**) &yuv.y, //pixels,
+ (int*) &yuv.w);//pitches);
+ */
+ // cvt rgb to yuv
+ for (int y=0; y<h; y+=2)
+ {
+ for (int x=0; x<w; x+=2)
+ {
+ unsigned char vy[4],vu[4],vv[4];
+
+ rgb_to_yuv(rgb + 3*((y+0)*w + (x+0)), vy[0],vu[0],vv[0]);
+ rgb_to_yuv(rgb + 3*((y+0)*w + (x+1)), vy[1],vu[1],vv[1]);
+ rgb_to_yuv(rgb + 3*((y+1)*w + (x+0)), vy[2],vu[2],vv[2]);
+ rgb_to_yuv(rgb + 3*((y+1)*w + (x+1)), vy[3],vu[3],vv[3]);
+ // Y
+ yuv.y[(y+0)*w+(x+0)] = vy[0];
+ yuv.y[(y+0)*w+(x+1)] = vy[1];
+ yuv.y[(y+1)*w+(x+0)] = vy[2];
+ yuv.y[(y+1)*w+(x+1)] = vy[3];
+ // Cb
+ yuv.u[y*w/4+x/2] = (vu[0]+vu[1]+vu[2]+vu[3])/4;
+ // Cr
+ yuv.v[y*w/4+x/2] = (vv[0]+vv[1]+vv[2]+vv[3])/4;
+ }
+ }
+
// Encode YUV frame and write it to disk.
fame_start_frame(fame_context, &yuv, 0);
- int written = fame_encode_slice(fame_context);
- fwrite(fame_buffer, written, 1, f);
+ int written;
+ while((written = fame_encode_slice(fame_context))) {
+ fwrite(fame_buffer, written, 1, f);
+ }
fame_end_frame(fame_context,0);
}
diff --git a/src/queue.h b/src/queue.h
index 475eabf..1967c0c 100644
--- a/src/queue.h
+++ b/src/queue.h
@@ -38,6 +38,10 @@
/*
* $Log$
+ * Revision 1.14 2005/05/07 10:25:34 deva
+ *
+ * Removed ffmpeg code from img_encoder and corrected decoding errors in mov_encoder
+ *
* Revision 1.13 2005/05/03 08:31:59 deva
* Removed the error object, and replaced it with a more generic info object.
*
@@ -54,8 +58,8 @@
#include <stdlib.h>
#include <string.h>
#include <assert.h>
-#include <avformat.h>
-#include <avcodec.h>
+//#include <avformat.h>
+//#include <avcodec.h>
#include "thread.h"
#include "util.h"