1
0
mirror of https://github.com/mpv-player/mpv synced 2024-12-25 08:12:17 +00:00

Added native codec support for QT RPZA data, courtesy of Roberto Togni

<rtogni@freemail.it>


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4616 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
melanson 2002-02-09 20:05:49 +00:00
parent 78a1443a0f
commit 0b9cd29746
6 changed files with 288 additions and 1 deletions

View File

@ -27,7 +27,7 @@ MANDIR = ${prefix}/man
# 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

View File

@ -245,6 +245,7 @@ static short get_driver(char *s,int audioflag)
"qtsmc",
"ducktm1",
"roqvideo",
"qtrpza",
NULL
};
char **drv=audioflag?audiodrv:videodrv;

View File

@ -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

View File

@ -180,6 +180,14 @@ void decode_duck_tm1(
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 @@ switch(sh_video->codec->driver){
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 @@ if(verbose>1){
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. --------------------

View File

@ -355,6 +355,13 @@ videocodec roqvideo
driver roqvideo
out YV12
videocodec qtrpza
info "Quicktime Apple Video"
status working
fourcc rpza,azpr
driver qtrpza
out BGR32,BGR24,BGR15
audiocodec imaadpcm
info "IMA ADPCM"
status working

262
qtrpza.c Normal file
View File

@ -0,0 +1,262 @@
/*
*
* 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 */
}
}