[Mplayer-cvslog] CVS: main qtrpza.c,NONE,1.1 codec-cfg.c,1.65,1.66 codec-cfg.h,1.39,1.40 dec_video.c,1.99,1.100 Makefile,1.151,1.152

Mike Melanson melanson at mplayer.dev.hu
Sat Feb 9 21:05:56 CET 2002


Update of /cvsroot/mplayer/main
In directory mplayer:/var/tmp.root/cvs-serv16829

Modified Files:
	codec-cfg.c codec-cfg.h dec_video.c Makefile 
Added Files:
	qtrpza.c 
Log Message:
Added native codec support for QT RPZA data, courtesy of Roberto Togni
<rtogni at freemail.it>


--- NEW FILE ---
/*
 *
 * Apple Video (rpza) QuickTime Decoder for Mplayer
 * (c) 2002 Roberto Togni
 *
 * Fourcc: rpza, azpr
 *
 * Some code comes from qtsmc.c by Mike Melanson
 *
 */

#include "config.h"
#include "bswap.h"
#include "mp_msg.h"

#define BE_16(x) (be2me_16(*(unsigned short *)(x)))
#define BE_32(x) (be2me_32(*(unsigned int *)(x)))


#define ADVANCE_BLOCK() \
{ \
	pixel_ptr += block_x_inc; \
	if (pixel_ptr >= (width * bytes_per_pixel)) \
	{ \
		pixel_ptr = 0; \
		row_ptr += block_y_inc * 4; \
	} \
	total_blocks--; \
	if (total_blocks < 0) \
	{ \
		mp_msg(MSGT_DECVIDEO, MSGL_WARN, "block counter just went negative (this should not happen)\n"); \
		return; \
	} \
}

#define PAINT_CURRENT_PIXEL(r, g, b, color) \
{ \
	if (bytes_per_pixel == 2) { \
		(*(unsigned short*)(&decoded[block_ptr])) = color & 0x7fff; \
		block_ptr += 2; \
	} else { \
		decoded[block_ptr++] = (b); \
		decoded[block_ptr++] = (g); \
		decoded[block_ptr++] = (r); \
		if (bytes_per_pixel == 4) /* 32bpp */ \
			block_ptr++; \
	} \
}

#define COLOR_FIX(col_out, col_in) (col_out) = ((col_in) << 3) | ((col_in) >> 2)

#define COLOR_TO_RGB(r, g, b, color) \
{ \
	if (bytes_per_pixel != 2) { \
		unsigned short tmp; \
		tmp = (color >> 10) & 0x1f; \
		COLOR_FIX (r, tmp); \
		tmp = (color >> 5) & 0x1f; \
		COLOR_FIX (g, tmp); \
		tmp = color & 0x1f; \
		COLOR_FIX (b, tmp); \
	} \
}

#define COLORAB_TO_RGB4(rgb4, color4, colorA, colorB) \
{ \
	unsigned short ta, tb, tt; \
	if (bytes_per_pixel != 2) { \
		ta = (colorA >> 10) & 0x1f; \
		tb = (colorB >> 10) & 0x1f; \
		COLOR_FIX (rgb4[3][0], ta); \
		COLOR_FIX (rgb4[0][0], tb); \
		tt = (11 * ta + 21 * tb) >> 5; \
		COLOR_FIX (rgb4[1][0], tt); \
		tt = (21 * ta + 11 * tb) >> 5; \
		COLOR_FIX (rgb4[2][0], tt); \
		ta = (colorA >> 5) & 0x1f; \
		tb = (colorB >> 5) & 0x1f; \
		COLOR_FIX (rgb4[3][1], ta); \
		COLOR_FIX (rgb4[0][1], tb); \
		tt = (11 * ta + 21 * tb) >> 5; \
		COLOR_FIX (rgb4[1][1], tt); \
		tt = (21 * ta + 11 * tb) >> 5; \
		COLOR_FIX (rgb4[2][1], tt); \
		ta = colorA	& 0x1f; \
		tb = colorB	& 0x1f; \
		COLOR_FIX (rgb4[3][2], ta); \
		COLOR_FIX (rgb4[0][2], tb); \
		tt = (11 * ta + 21 * tb) >> 5; \
		COLOR_FIX (rgb4[1][2], tt); \
		tt = (21 * ta + 11 * tb) >> 5; \
		COLOR_FIX (rgb4[2][2], tt); \
	} else { \
		color4[3] = colorA; \
		color4[0] = colorB; \
		ta = (colorA >> 10) & 0x1f; \
		tb = (colorB >> 10) & 0x1f; \
		color4[1] = ((11 * ta + 21 * tb) << 5) & 0x7c00; \
		color4[2] = ((21 * ta + 11 * tb) << 5) & 0x7c00; \
		ta = (colorA >> 5) & 0x1f; \
		tb = (colorB >> 5) & 0x1f; \
		color4[1] |= (11 * ta + 21 * tb) & 0x3e0; \
		color4[2] |= (21 * ta + 11 * tb) & 0x3e0; \
		ta = colorA	& 0x1f; \
		tb = colorB	& 0x1f; \
		color4[1] |= (11 * ta + 21 * tb) >> 5; \
		color4[2] |= (21 * ta + 11 * tb) >> 5; \
	} \
}



/*
 * rpza frame decoder
 *
 * Input values:
 *
 *	*encoded: buffer of encoded data (chunk)
 *	encoded_size: length of encoded buffer
 *	*decoded: buffer where decoded data is written (image buffer)
 *	width: width of decoded frame in pixels
 *	height: height of decoded frame in pixels
 *	bytes_per_pixel: bytes/pixel in output image (color depth)
 *
 */

void qt_decode_rpza(char *encoded, int encoded_size, char *decoded, int width,
										int height, int bytes_per_pixel)
{

	int i;
	int stream_ptr = 0;
	int chunk_size;
	unsigned char opcode;
	int n_blocks;
	unsigned short colorA, colorB;
	unsigned char r, g, b;
	unsigned char rgb4[4][3];
	unsigned short color4[4];
	unsigned char index, idx;

	int row_ptr = 0;
	int pixel_ptr = 0;
	int pixel_x, pixel_y;
	int row_inc = bytes_per_pixel * (width - 4);
	int max_height = row_inc * height;
	int block_x_inc = bytes_per_pixel * 4;
	int block_y_inc = bytes_per_pixel * width;
	int block_ptr;
	int total_blocks;

	
	/* First byte is always 0xe1. Warn if it's different */
	if ((unsigned char)encoded[stream_ptr] != 0xe1)
		mp_msg(MSGT_DECVIDEO, MSGL_WARN,
					 "First chunk byte is 0x%02x instead of 0x1e\n",
					 (unsigned char)encoded[stream_ptr]);

	/* Get chunk size, ingnoring first byte */
	chunk_size = BE_32(&encoded[stream_ptr]) & 0x00FFFFFF;
	stream_ptr += 4;

	/* If length mismatch use size from MOV file and try to decode anyway */
	if (chunk_size != encoded_size)
		mp_msg(MSGT_DECVIDEO, MSGL_WARN, "MOV chunk size != encoded chunk size; using MOV chunk size\n");

	chunk_size = encoded_size;

	/* Number of 4x4 blocks in frame. */
	total_blocks = (width * height) / (4 * 4);

	/* Process chunk data */
	while (stream_ptr < chunk_size) {
		opcode = encoded[stream_ptr++]; /* Get opcode */

		n_blocks = (opcode & 0x1f) +1; /* Extract block counter from opcode */

		/* If opcode MSbit is 0, we need more data to decide what to do */
		if ((opcode & 0x80) == 0) {
			colorA = (opcode << 8) | ((unsigned char)encoded[stream_ptr++]);
			opcode = 0;
			if ((encoded[stream_ptr] & 0x80) != 0) {
				/* Must behave as opcode 110xxxxx, using colorA computed above.*/
				/* Use fake opcode 0x20 to enter switch block at the right place */
				opcode = 0x20;
				n_blocks = 1;
			}
		}
		switch (opcode & 0xe0) {
			/* Skip blocks */
			case 0x80:
				while (n_blocks--)
					ADVANCE_BLOCK();
				break;

			/* Fill blocks with one color */
			case 0xa0:
				colorA = BE_16 (&encoded[stream_ptr]);
				stream_ptr += 2;
				COLOR_TO_RGB (r, g, b, colorA);
				while (n_blocks--) {
					block_ptr = row_ptr + pixel_ptr;
					for (pixel_y = 0; pixel_y < 4; pixel_y++) {
						for (pixel_x = 0; pixel_x < 4; pixel_x++){
							PAINT_CURRENT_PIXEL(r, g, b, colorA);
						}
						block_ptr += row_inc;
					}
					ADVANCE_BLOCK();
				}
				break;

			/* Fill blocks with 4 colors */
			case 0xc0:
				colorA = BE_16 (&encoded[stream_ptr]);
				stream_ptr += 2;
			case 0x20:
				colorB = BE_16 (&encoded[stream_ptr]);
				stream_ptr += 2;
				COLORAB_TO_RGB4 (rgb4, color4, colorA, colorB);
				while (n_blocks--) {
					block_ptr = row_ptr + pixel_ptr;
					for (pixel_y = 0; pixel_y < 4; pixel_y++) {
						index = encoded[stream_ptr++];
						for (pixel_x = 0; pixel_x < 4; pixel_x++){
							idx = (index >> (2 * (3 - pixel_x))) & 0x03;
							PAINT_CURRENT_PIXEL(rgb4[idx][0], rgb4[idx][1], rgb4[idx][2], color4[idx]);
						}
						block_ptr += row_inc;
					}
					ADVANCE_BLOCK();
				}
				break;
				
			/* Fill block with 16 colors */
			case 0x00:
				block_ptr = row_ptr + pixel_ptr;
				for (pixel_y = 0; pixel_y < 4; pixel_y++) {
					for (pixel_x = 0; pixel_x < 4; pixel_x++){
						/* We already have color of upper left pixel */
						if ((pixel_y != 0) || (pixel_x !=0)) {
							colorA = BE_16 (&encoded[stream_ptr]);
							stream_ptr += 2;
						}
						COLOR_TO_RGB (r, g, b, colorA);
						PAINT_CURRENT_PIXEL(r, g, b, colorA);
					}
					block_ptr += row_inc;
				}
				ADVANCE_BLOCK();
				break;
				
			/* Unknown opcode */
			default:
				mp_msg(MSGT_DECVIDEO, MSGL_HINT, "Unknown opcode %d in rpza chunk."
							 " Skip remaining %lu bytes of chunk data.\n", opcode,
							 chunk_size - stream_ptr);
				return;
		} /* Opcode switch */

	}
}

Index: codec-cfg.c
===================================================================
RCS file: /cvsroot/mplayer/main/codec-cfg.c,v
retrieving revision 1.65
retrieving revision 1.66
diff -u -r1.65 -r1.66
--- codec-cfg.c	1 Feb 2002 05:33:40 -0000	1.65
+++ codec-cfg.c	9 Feb 2002 20:05:49 -0000	1.66
@@ -245,6 +245,7 @@
 		"qtsmc",
 		"ducktm1",
 		"roqvideo",
+		"qtrpza",
 		NULL
 	};
         char **drv=audioflag?audiodrv:videodrv;

Index: codec-cfg.h
===================================================================
RCS file: /cvsroot/mplayer/main/codec-cfg.h,v
retrieving revision 1.39
retrieving revision 1.40
diff -u -r1.39 -r1.40
--- codec-cfg.h	1 Feb 2002 05:33:40 -0000	1.39
+++ codec-cfg.h	9 Feb 2002 20:05:49 -0000	1.40
@@ -57,6 +57,7 @@
 #define VFM_QTSMC 17
 #define VFM_DUCKTM1 18
 #define VFM_ROQVIDEO 19
+#define VFM_QTRPZA 20
 
 #ifndef GUID_TYPE
 #define GUID_TYPE

Index: dec_video.c
===================================================================
RCS file: /cvsroot/mplayer/main/dec_video.c,v
retrieving revision 1.99
retrieving revision 1.100
diff -u -r1.99 -r1.100
--- dec_video.c	3 Feb 2002 16:13:05 -0000	1.99
+++ dec_video.c	9 Feb 2002 20:05:49 -0000	1.100
@@ -180,6 +180,14 @@
   int height,
   int bytes_per_pixel);
 
+void qt_decode_rpza(
+  unsigned char *encoded,
+  int encoded_size,
+  unsigned char *decoded,
+  int width,
+  int height,
+  int bytes_per_pixel);
+
 //**************************************************************************//
 //             The OpenDivX stuff:
 //**************************************************************************//
@@ -698,6 +706,7 @@
  case VFM_FLI:
  case VFM_QTRLE:
  case VFM_DUCKTM1:
+ case VFM_QTRPZA:
    {
 #ifdef USE_MP_IMAGE
     sh_video->image->type=MP_IMGTYPE_STATIC;
@@ -1135,6 +1144,13 @@
      sh_video->disp_w, sh_video->disp_h, sh_video->context);
    blit_frame = 3;
    break;
+  case VFM_QTRPZA:
+    qt_decode_rpza(
+        start, in_size, sh_video->our_out_buffer,
+        sh_video->disp_w, sh_video->disp_h,
+        ((out_fmt&255)+7)/8);
+    blit_frame = 3;
+    break;
 } // switch
 //------------------------ frame decoded. --------------------
 

Index: Makefile
===================================================================
RCS file: /cvsroot/mplayer/main/Makefile,v
retrieving revision 1.151
retrieving revision 1.152
diff -u -r1.151 -r1.152
--- Makefile	5 Feb 2002 23:02:55 -0000	1.151
+++ Makefile	9 Feb 2002 20:05:49 -0000	1.152
@@ -27,7 +27,7 @@
 # a BSD compatible 'install' program
 INSTALL = install
 
-SRCS_COMMON = cyuv.c adpcm.c xacodec.c cpudetect.c mp_msg.c ac3-iec958.c dec_audio.c dec_video.c msvidc.c cinepak.c fli.c qtrle.c codec-cfg.c cfgparser.c my_profile.c RTjpegN.c minilzo.c nuppelvideo.c spudec.c playtree.c playtreeparser.c asxparser.c qtsmc.c ducktm1.c roqav.c
+SRCS_COMMON = cyuv.c adpcm.c xacodec.c cpudetect.c mp_msg.c ac3-iec958.c dec_audio.c dec_video.c msvidc.c cinepak.c fli.c qtrle.c codec-cfg.c cfgparser.c my_profile.c RTjpegN.c minilzo.c nuppelvideo.c spudec.c playtree.c playtreeparser.c asxparser.c qtsmc.c ducktm1.c roqav.c qtrpza.c
 SRCS_MENCODER = mencoder.c $(SRCS_COMMON) libao2/afmt.c divx4_vbr.c libvo/aclib.c libvo/img_format.c libvo/osd.c
 SRCS_MPLAYER = mplayer.c $(SRCS_COMMON) find_sub.c subreader.c lirc_mp.c mixer.c vobsub.c
 




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