From 8d535e795ef79b17394f3daeac11ed5600b36682 Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Sat, 7 May 2005 10:25:34 +0000
Subject: Removed ffmpeg code from img_encoder and corrected decoding errors in
 mov_encoder

---
 src/img_encoder.cc | 96 ++++++++++++++++++++++++------------------------------
 1 file changed, 43 insertions(+), 53 deletions(-)

(limited to 'src/img_encoder.cc')

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);
+}
-- 
cgit v1.2.3