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mirror of https://github.com/mpv-player/mpv.git synced 2024-09-20 12:02:23 +02:00

This commit adds initial support for Quicktime Animation (RLE) video. It

also fixes a FLI function name (FLI is not an AVI decoder).


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3688 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
melanson 2001-12-23 22:20:46 +00:00
parent 7bbe389f7e
commit 512c294b48
7 changed files with 166 additions and 11 deletions

View File

@ -22,7 +22,7 @@ MANDIR = ${prefix}/man
# a BSD compatible 'install' program
INSTALL = install
SRCS_COMMON = ima4.c xacodec.c cpudetect.c mp_msg.c ac3-iec958.c dec_audio.c dec_video.c msvidc.c cinepak.c fli.c codec-cfg.c cfgparser.c my_profile.c
SRCS_COMMON = ima4.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
SRCS_MENCODER = mencoder.c $(SRCS_COMMON) libao2/afmt.c divx4_vbr.c libvo/aclib.c libvo/img_format.c
SRCS_MPLAYER = mplayer.c $(SRCS_COMMON) find_sub.c subreader.c lirc_mp.c mixer.c spudec.c

View File

@ -232,6 +232,7 @@ static short get_driver(char *s,int audioflag)
"msvidc",
"fli",
"cinepak",
"qtrle",
NULL
};
char **drv=audioflag?audiodrv:videodrv;

View File

@ -47,6 +47,7 @@
#define VFM_MSVIDC 11
#define VFM_FLI 12
#define VFM_CINEPAK 13
#define VFM_QTRLE 14
#ifndef GUID_TYPE
#define GUID_TYPE

View File

@ -111,7 +111,7 @@ void AVI_Decode_Video1_8(
unsigned char *palette_map,
int bytes_per_pixel);
void AVI_Decode_Fli(
void Decode_Fli(
unsigned char *encoded,
int encoded_size,
unsigned char *decoded,
@ -119,6 +119,14 @@ void AVI_Decode_Fli(
int height,
int bytes_per_pixel);
void qt_decode_rle(
unsigned char *encoded,
int encoded_size,
unsigned char *decoded,
int width,
int height,
int encoded_bpp,
int bytes_per_pixel);
//**************************************************************************//
// The OpenDivX stuff:
@ -522,16 +530,20 @@ switch(sh_video->codec->driver){
}
}
break;
case VFM_MSVIDC: {
int bpp=((out_fmt&255)+7)/8; // RGB only
sh_video->our_out_buffer =
(char*)memalign(64, sh_video->disp_w*sh_video->disp_h*bpp); // FIXME!!!
}
break;
case VFM_FLI: {
case VFM_MSVIDC:
case VFM_FLI:
case VFM_QTRLE:
{
int bpp=((out_fmt&255)+7)/8; // RGB only
sh_video->our_out_buffer =
(char*)memalign(64, sh_video->disp_w*sh_video->disp_h*bpp); // FIXME!!!
if ((sh_video->codec->driver == VFM_QTRLE) && (sh_video->bih->biBitCount != 24))
printf (
" *** FYI: This Quicktime file is using %d-bit RLE Animation\n" \
" encoding, which is not yet supported by MPlayer. But if you upload\n" \
" this Quicktime file to the MPlayer FTP, the team could look at it.\n",
sh_video->bih->biBitCount);
}
break;
}
@ -785,12 +797,20 @@ if(verbose>1){
blit_frame = 3;
break;
case VFM_FLI:
AVI_Decode_Fli(
Decode_Fli(
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;
case VFM_QTRLE:
qt_decode_rle(
start, in_size, sh_video->our_out_buffer,
sh_video->disp_w, sh_video->disp_h,
sh_video->bih->biBitCount,
((out_fmt&255)+7)/8);
blit_frame = 3;
break;
} // switch
//------------------------ frame decoded. --------------------

View File

@ -302,6 +302,14 @@ videocodec video1
driver msvidc
out BGR32,BGR24
videocodec qtrle
info "Quicktime Animation (RLE)"
status working
; codec fourcc = "rle "
format 0x20656C72
driver qtrle
out BGR32,BGR24
; =============== WINDOWS DLL's ==============
videocodec vp3

2
fli.c
View File

@ -25,7 +25,7 @@
// to index 4-byte entries
static unsigned char palette[256 * 4];
void AVI_Decode_Fli(
void Decode_Fli(
unsigned char *encoded,
int encoded_size,
unsigned char *decoded,

125
qtrle.c Normal file
View File

@ -0,0 +1,125 @@
/*
Quicktime Animation (RLE) Decoder for MPlayer
(C) 2001 Mike Melanson
*/
#include "config.h"
#include "bswap.h"
#define BE_16(x) (be2me_16(*(unsigned short *)(x)))
#define BE_32(x) (be2me_32(*(unsigned int *)(x)))
// 256 RGB entries; 25% of these bytes will be unused, but it's faster
// to index 4-byte entries
static unsigned char palette[256 * 4];
void qt_decode_rle24(
unsigned char *encoded,
int encoded_size,
unsigned char *decoded,
int width,
int height,
int bytes_per_pixel)
{
int stream_ptr;
int header;
int start_line;
int lines_to_change;
signed char rle_code;
int row_ptr, pixel_ptr;
int row_inc = bytes_per_pixel * width;
unsigned char r, g, b;
// check if this frame is even supposed to change
if (encoded_size < 8)
return;
// start after the chunk size
stream_ptr = 4;
// fetch the header
header = BE_16(&encoded[stream_ptr]);
stream_ptr += 2;
// if a header is present, fetch additional decoding parameters
if (header & 0x0008)
{
start_line = BE_16(&encoded[stream_ptr]);
stream_ptr += 4;
lines_to_change = BE_16(&encoded[stream_ptr]);
stream_ptr += 4;
}
else
{
start_line = 0;
lines_to_change = height;
}
row_ptr = row_inc * start_line;
while (lines_to_change--)
{
pixel_ptr = row_ptr + ((encoded[stream_ptr++] - 1) * bytes_per_pixel);
while ((rle_code = (signed char)encoded[stream_ptr++]) != -1)
{
if (rle_code == 0)
// there's another skip code in the stream
pixel_ptr += ((encoded[stream_ptr++] - 1) * bytes_per_pixel);
else if (rle_code < 0)
{
// decode the run length code
rle_code = -rle_code;
r = encoded[stream_ptr++];
g = encoded[stream_ptr++];
b = encoded[stream_ptr++];
while (rle_code--)
{
decoded[pixel_ptr++] = b;
decoded[pixel_ptr++] = g;
decoded[pixel_ptr++] = r;
if (bytes_per_pixel == 4)
pixel_ptr++;
}
}
else
{
// copy pixels directly to output
while (rle_code--)
{
decoded[pixel_ptr++] = encoded[stream_ptr + 2];
decoded[pixel_ptr++] = encoded[stream_ptr + 1];
decoded[pixel_ptr++] = encoded[stream_ptr + 0];
stream_ptr += 3;
if (bytes_per_pixel == 4)
pixel_ptr++;
}
}
}
row_ptr += row_inc;
}
}
void qt_decode_rle(
unsigned char *encoded,
int encoded_size,
unsigned char *decoded,
int width,
int height,
int encoded_bpp,
int bytes_per_pixel)
{
switch (encoded_bpp)
{
case 24:
qt_decode_rle24(
encoded,
encoded_size,
decoded,
width,
height,
bytes_per_pixel);
break;
}
}