mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-23 11:19:55 +00:00
Merge commit 'ae17878fb2ab100264226c84c58f5b95a703312f'
* commit 'ae17878fb2ab100264226c84c58f5b95a703312f':
BRender PIX image decoder
Conflicts:
doc/general.texi
libavcodec/Makefile
libavcodec/version.h
See: 492a5f835c
, and others
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
commit
f392949f1a
@ -8,6 +8,7 @@ version <next>:
|
||||
- replaygain data export
|
||||
- VP7 video decoder
|
||||
- Alias PIX image encoder and decoder
|
||||
- Improvments to the BRender PIX image decoder
|
||||
|
||||
|
||||
version 2.2:
|
||||
|
@ -494,8 +494,8 @@ following image formats are supported:
|
||||
@item animated GIF @tab X @tab X
|
||||
@item BMP @tab X @tab X
|
||||
@tab Microsoft BMP image
|
||||
@item PIX @tab @tab X
|
||||
@tab PIX is an image format used in the Argonaut BRender engine.
|
||||
@item BRender PIX @tab @tab X
|
||||
@tab Argonaut BRender 3D engine image format.
|
||||
@item DPX @tab X @tab X
|
||||
@tab Digital Picture Exchange
|
||||
@item EXR @tab @tab X
|
||||
|
@ -151,7 +151,7 @@ OBJS-$(CONFIG_BMP_DECODER) += bmp.o msrledec.o
|
||||
OBJS-$(CONFIG_BMP_ENCODER) += bmpenc.o
|
||||
OBJS-$(CONFIG_BMV_VIDEO_DECODER) += bmv.o
|
||||
OBJS-$(CONFIG_BMV_AUDIO_DECODER) += bmv.o
|
||||
OBJS-$(CONFIG_BRENDER_PIX_DECODER) += brender_pix.o
|
||||
OBJS-$(CONFIG_BRENDER_PIX_DECODER) += brenderpix.o
|
||||
OBJS-$(CONFIG_C93_DECODER) += c93.o
|
||||
OBJS-$(CONFIG_CAVS_DECODER) += cavs.o cavsdec.o cavsdsp.o \
|
||||
cavsdata.o mpeg12data.o
|
||||
|
@ -287,6 +287,7 @@ enum AVCodecID {
|
||||
AV_CODEC_ID_HEVC_DEPRECATED,
|
||||
AV_CODEC_ID_FIC,
|
||||
AV_CODEC_ID_ALIAS_PIX,
|
||||
AV_CODEC_ID_BRENDER_PIX_DEPRECATED,
|
||||
|
||||
AV_CODEC_ID_BRENDER_PIX= MKBETAG('B','P','I','X'),
|
||||
AV_CODEC_ID_Y41P = MKBETAG('Y','4','1','P'),
|
||||
|
@ -1,216 +0,0 @@
|
||||
/*
|
||||
* BRender PIX (.pix) image decoder
|
||||
* Copyright (c) 2012 Aleksi Nurmi
|
||||
*
|
||||
* This file is part of FFmpeg.
|
||||
*
|
||||
* FFmpeg is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* FFmpeg is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with FFmpeg; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
/*
|
||||
* Tested against samples from I-War / Independence War and Defiance.
|
||||
* If the PIX file does not contain a palette, the
|
||||
* palette_has_changed property of the AVFrame is set to 0.
|
||||
*/
|
||||
|
||||
#include "libavutil/imgutils.h"
|
||||
#include "avcodec.h"
|
||||
#include "bytestream.h"
|
||||
#include "internal.h"
|
||||
|
||||
typedef struct BRPixHeader {
|
||||
int format;
|
||||
unsigned int width, height;
|
||||
} BRPixHeader;
|
||||
|
||||
static int brpix_decode_header(BRPixHeader *out, GetByteContext *pgb)
|
||||
{
|
||||
unsigned int header_len = bytestream2_get_be32(pgb);
|
||||
|
||||
out->format = bytestream2_get_byte(pgb);
|
||||
bytestream2_skip(pgb, 2);
|
||||
out->width = bytestream2_get_be16(pgb);
|
||||
out->height = bytestream2_get_be16(pgb);
|
||||
|
||||
// the header is at least 11 bytes long; we read the first 7
|
||||
if (header_len < 11) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
// skip the rest of the header
|
||||
bytestream2_skip(pgb, header_len-7);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int brpix_decode_frame(AVCodecContext *avctx,
|
||||
void *data, int *got_frame,
|
||||
AVPacket *avpkt)
|
||||
{
|
||||
AVFrame *frame = data;
|
||||
|
||||
int ret;
|
||||
GetByteContext gb;
|
||||
|
||||
unsigned int bytes_pp;
|
||||
|
||||
unsigned int magic[4];
|
||||
unsigned int chunk_type;
|
||||
unsigned int data_len;
|
||||
BRPixHeader hdr;
|
||||
|
||||
bytestream2_init(&gb, avpkt->data, avpkt->size);
|
||||
|
||||
magic[0] = bytestream2_get_be32(&gb);
|
||||
magic[1] = bytestream2_get_be32(&gb);
|
||||
magic[2] = bytestream2_get_be32(&gb);
|
||||
magic[3] = bytestream2_get_be32(&gb);
|
||||
|
||||
if (magic[0] != 0x12 ||
|
||||
magic[1] != 0x8 ||
|
||||
magic[2] != 0x2 ||
|
||||
magic[3] != 0x2) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Not a BRender PIX file\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
|
||||
chunk_type = bytestream2_get_be32(&gb);
|
||||
if (chunk_type != 0x3 && chunk_type != 0x3d) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Invalid chunk type %d\n", chunk_type);
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
|
||||
ret = brpix_decode_header(&hdr, &gb);
|
||||
if (!ret) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Invalid header length\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
switch (hdr.format) {
|
||||
case 3:
|
||||
avctx->pix_fmt = AV_PIX_FMT_PAL8;
|
||||
bytes_pp = 1;
|
||||
break;
|
||||
case 4:
|
||||
avctx->pix_fmt = AV_PIX_FMT_RGB555BE;
|
||||
bytes_pp = 2;
|
||||
break;
|
||||
case 5:
|
||||
avctx->pix_fmt = AV_PIX_FMT_RGB565BE;
|
||||
bytes_pp = 2;
|
||||
break;
|
||||
case 6:
|
||||
avctx->pix_fmt = AV_PIX_FMT_RGB24;
|
||||
bytes_pp = 3;
|
||||
break;
|
||||
case 7:
|
||||
avctx->pix_fmt = AV_PIX_FMT_0RGB;
|
||||
bytes_pp = 4;
|
||||
break;
|
||||
case 18:
|
||||
avctx->pix_fmt = AV_PIX_FMT_GRAY8A;
|
||||
bytes_pp = 2;
|
||||
break;
|
||||
default:
|
||||
av_log(avctx, AV_LOG_ERROR, "Format %d is not supported\n",
|
||||
hdr.format);
|
||||
return AVERROR_PATCHWELCOME;
|
||||
}
|
||||
|
||||
if ((ret = ff_set_dimensions(avctx, hdr.width, hdr.height)) < 0)
|
||||
return ret;
|
||||
|
||||
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
|
||||
return ret;
|
||||
|
||||
chunk_type = bytestream2_get_be32(&gb);
|
||||
|
||||
if (avctx->pix_fmt == AV_PIX_FMT_PAL8 &&
|
||||
(chunk_type == 0x3 || chunk_type == 0x3d)) {
|
||||
BRPixHeader palhdr;
|
||||
uint32_t *pal_out = (uint32_t *)frame->data[1];
|
||||
int i;
|
||||
|
||||
ret = brpix_decode_header(&palhdr, &gb);
|
||||
if (!ret) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Invalid palette header length\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
if (palhdr.format != 7) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Palette is not in 0RGB format\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
|
||||
chunk_type = bytestream2_get_be32(&gb);
|
||||
data_len = bytestream2_get_be32(&gb);
|
||||
bytestream2_skip(&gb, 8);
|
||||
if (chunk_type != 0x21 || data_len != 1032 ||
|
||||
bytestream2_get_bytes_left(&gb) < 1032) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Invalid palette data\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
// convert 0RGB to machine endian format (ARGB32)
|
||||
for (i = 0; i < 256; ++i) {
|
||||
bytestream2_skipu(&gb, 1);
|
||||
*pal_out++ = (0xFFU << 24) | bytestream2_get_be24u(&gb);
|
||||
}
|
||||
bytestream2_skip(&gb, 8);
|
||||
|
||||
frame->palette_has_changed = 1;
|
||||
|
||||
chunk_type = bytestream2_get_be32(&gb);
|
||||
} else if (avctx->pix_fmt == AV_PIX_FMT_PAL8) {
|
||||
uint32_t *pal_out = (uint32_t *)frame->data[1];
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 256; ++i) {
|
||||
*pal_out++ = (0xFFU << 24) | (i * 0x010101);
|
||||
}
|
||||
frame->palette_has_changed = 1;
|
||||
}
|
||||
|
||||
data_len = bytestream2_get_be32(&gb);
|
||||
bytestream2_skip(&gb, 8);
|
||||
|
||||
// read the image data to the buffer
|
||||
{
|
||||
unsigned int bytes_per_scanline = bytes_pp * hdr.width;
|
||||
unsigned int bytes_left = bytestream2_get_bytes_left(&gb);
|
||||
|
||||
if (chunk_type != 0x21 || data_len != bytes_left ||
|
||||
bytes_left / bytes_per_scanline < hdr.height)
|
||||
{
|
||||
av_log(avctx, AV_LOG_ERROR, "Invalid image data\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
|
||||
av_image_copy_plane(frame->data[0], frame->linesize[0],
|
||||
avpkt->data + bytestream2_tell(&gb),
|
||||
bytes_per_scanline,
|
||||
bytes_per_scanline, hdr.height);
|
||||
}
|
||||
|
||||
*got_frame = 1;
|
||||
|
||||
return avpkt->size;
|
||||
}
|
||||
|
||||
AVCodec ff_brender_pix_decoder = {
|
||||
.name = "brender_pix",
|
||||
.long_name = NULL_IF_CONFIG_SMALL("BRender PIX image"),
|
||||
.type = AVMEDIA_TYPE_VIDEO,
|
||||
.id = AV_CODEC_ID_BRENDER_PIX,
|
||||
.decode = brpix_decode_frame,
|
||||
.capabilities = CODEC_CAP_DR1,
|
||||
};
|
292
libavcodec/brenderpix.c
Normal file
292
libavcodec/brenderpix.c
Normal file
@ -0,0 +1,292 @@
|
||||
/*
|
||||
* BRender PIX (.pix) image decoder
|
||||
* Copyright (c) 2012 Aleksi Nurmi
|
||||
*
|
||||
* This file is part of FFmpeg.
|
||||
*
|
||||
* FFmpeg is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* FFmpeg is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with FFmpeg; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
/* Tested against samples from I-War / Independence War and Defiance. */
|
||||
|
||||
#include "libavutil/imgutils.h"
|
||||
|
||||
#include "avcodec.h"
|
||||
#include "bytestream.h"
|
||||
#include "internal.h"
|
||||
|
||||
#define HEADER1_CHUNK 0x03
|
||||
#define HEADER2_CHUNK 0x3D
|
||||
#define IMAGE_DATA_CHUNK 0x21
|
||||
|
||||
/* In 8-bit colour mode, 256 colours are available at any time. Which 256
|
||||
* colours are available is determined by the contents of the hardware palette
|
||||
* (or CLUT). In this case, the palette supplied with BRender (std.pal) has
|
||||
* been loaded into the CLUT.
|
||||
*
|
||||
* The 256 colours in std.pal are divided into seven ranges, or `colour ramps'.
|
||||
* The first 64 colours represent shades of grey ranging from very dark grey
|
||||
* (black) to very light grey (white). The following colours are 32-element
|
||||
* ramps for six colours as shown below.
|
||||
*/
|
||||
static const uint32_t std_pal_table[256] = {
|
||||
// gray
|
||||
0xFF000000, 0xFF030303, 0xFF060606, 0xFF090909, 0xFF0C0C0C, 0xFF0F0F0F,
|
||||
0xFF121212, 0xFF151515, 0xFF181818, 0xFF1B1B1B, 0xFF1E1E1E, 0xFF212121,
|
||||
0xFF242424, 0xFF272727, 0xFF2A2A2A, 0xFF2D2D2D, 0xFF313131, 0xFF343434,
|
||||
0xFF373737, 0xFF3A3A3A, 0xFF3D3D3D, 0xFF404040, 0xFF434343, 0xFF464646,
|
||||
0xFF494949, 0xFF4C4C4C, 0xFF4F4F4F, 0xFF525252, 0xFF555555, 0xFF585858,
|
||||
0xFF5B5B5B, 0xFF5E5E5E, 0xFF626262, 0xFF656565, 0xFF686868, 0xFF6B6B6B,
|
||||
0xFF6E6E6E, 0xFF717171, 0xFF747474, 0xFF777777, 0xFF7A7A7A, 0xFF7D7D7D,
|
||||
0xFF808080, 0xFF838383, 0xFF868686, 0xFF898989, 0xFF8C8C8C, 0xFF8F8F8F,
|
||||
0xFF939393, 0xFF999999, 0xFFA0A0A0, 0xFFA7A7A7, 0xFFAEAEAE, 0xFFB4B4B4,
|
||||
0xFFBBBBBB, 0xFFC2C2C2, 0xFFC9C9C9, 0xFFCFCFCF, 0xFFD6D6D6, 0xFFDDDDDD,
|
||||
0xFFE4E4E4, 0xFFEAEAEA, 0xFFF1F1F1, 0xFFF8F8F8,
|
||||
|
||||
// blue
|
||||
0xFF000000, 0xFF020209, 0xFF050513, 0xFF07071D, 0xFF0A0A27, 0xFF0C0C31,
|
||||
0xFF0F0F3B, 0xFF111145, 0xFF14144F, 0xFF161659, 0xFF181863, 0xFF1B1B6D,
|
||||
0xFF1E1E77, 0xFF202080, 0xFF22228A, 0xFF252594, 0xFF28289E, 0xFF2A2AA8,
|
||||
0xFF2D2DB2, 0xFF2F2FBC, 0xFF3131C6, 0xFF3434D0, 0xFF3737DA, 0xFF3939E4,
|
||||
0xFF3C3CEE, 0xFF5454F0, 0xFF6C6CF2, 0xFF8585F4, 0xFF9D9DF6, 0xFFB5B5F8,
|
||||
0xFFCECEFA, 0xFFE6E6FC,
|
||||
|
||||
// green
|
||||
0xFF000000, 0xFF020902, 0xFF051305, 0xFF071D07, 0xFF0A270A, 0xFF0C310C,
|
||||
0xFF0F3B0F, 0xFF114511, 0xFF144F14, 0xFF165916, 0xFF186318, 0xFF1B6D1B,
|
||||
0xFF1E771E, 0xFF208020, 0xFF228A22, 0xFF259425, 0xFF289E28, 0xFF2AA82A,
|
||||
0xFF2DB22D, 0xFF2FBC2F, 0xFF31C631, 0xFF34D034, 0xFF37DA37, 0xFF39E439,
|
||||
0xFF3CEE3C, 0xFF54F054, 0xFF6CF26C, 0xFF85F485, 0xFF9DF69D, 0xFFB5F8B5,
|
||||
0xFFCEFACE, 0xFFE6FCE6,
|
||||
|
||||
// cyan
|
||||
0xFF000000, 0xFF020909, 0xFF051313, 0xFF071D1D, 0xFF0A2727, 0xFF0C3131,
|
||||
0xFF0F3B3B, 0xFF114545, 0xFF144F4F, 0xFF165959, 0xFF186363, 0xFF1B6D6D,
|
||||
0xFF1E7777, 0xFF208080, 0xFF228A8A, 0xFF259494, 0xFF289E9E, 0xFF2AA8A8,
|
||||
0xFF2DB2B2, 0xFF2FBCBC, 0xFF31C6C6, 0xFF34D0D0, 0xFF37DADA, 0xFF39E4E4,
|
||||
0xFF3CEEEE, 0xFF54F0F0, 0xFF6CF2F2, 0xFF85F4F4, 0xFF9DF6F6, 0xFFB5F8F8,
|
||||
0xFFCEFAFA, 0xFFE6FCFC,
|
||||
|
||||
// red
|
||||
0xFF000000, 0xFF090202, 0xFF130505, 0xFF1D0707, 0xFF270A0A, 0xFF310C0C,
|
||||
0xFF3B0F0F, 0xFF451111, 0xFF4F1414, 0xFF591616, 0xFF631818, 0xFF6D1B1B,
|
||||
0xFF771E1E, 0xFF802020, 0xFF8A2222, 0xFF942525, 0xFF9E2828, 0xFFA82A2A,
|
||||
0xFFB22D2D, 0xFFBC2F2F, 0xFFC63131, 0xFFD03434, 0xFFDA3737, 0xFFE43939,
|
||||
0xFFEE3C3C, 0xFFF05454, 0xFFF26C6C, 0xFFF48585, 0xFFF69D9D, 0xFFF8B5B5,
|
||||
0xFFFACECE, 0xFFFCE6E6,
|
||||
|
||||
// magenta
|
||||
0xFF000000, 0xFF090209, 0xFF130513, 0xFF1D071D, 0xFF270A27, 0xFF310C31,
|
||||
0xFF3B0F3B, 0xFF451145, 0xFF4F144F, 0xFF591659, 0xFF631863, 0xFF6D1B6D,
|
||||
0xFF771E77, 0xFF802080, 0xFF8A228A, 0xFF942594, 0xFF9E289E, 0xFFA82AA8,
|
||||
0xFFB22DB2, 0xFFBC2FBC, 0xFFC631C6, 0xFFD034D0, 0xFFDA37DA, 0xFFE439E4,
|
||||
0xFFEE3CEE, 0xFFF054F0, 0xFFF26CF2, 0xFFF485F4, 0xFFF69DF6, 0xFFF8B5F8,
|
||||
0xFFFACEFA, 0xFFFCE6FC,
|
||||
|
||||
// yellow
|
||||
0xFF000000, 0xFF090902, 0xFF131305, 0xFF1D1D07, 0xFF27270A, 0xFF31310C,
|
||||
0xFF3B3B0F, 0xFF454511, 0xFF4F4F14, 0xFF595916, 0xFF636318, 0xFF6D6D1B,
|
||||
0xFF77771E, 0xFF808020, 0xFF8A8A22, 0xFF949425, 0xFF9E9E28, 0xFFA8A82A,
|
||||
0xFFB2B22D, 0xFFBCBC2F, 0xFFC6C631, 0xFFD0D034, 0xFFDADA37, 0xFFE4E439,
|
||||
0xFFEEEE3C, 0xFFF0F054, 0xFFF2F26C, 0xFFF4F485, 0xFFF6F69D, 0xFFF8F8B5,
|
||||
0xFFFAFACE, 0xFFFCFCE6,
|
||||
};
|
||||
|
||||
typedef struct PixHeader {
|
||||
int width;
|
||||
int height;
|
||||
int format;
|
||||
} PixHeader;
|
||||
|
||||
static int pix_decode_header(PixHeader *out, GetByteContext *pgb)
|
||||
{
|
||||
unsigned int header_len = bytestream2_get_be32(pgb);
|
||||
|
||||
out->format = bytestream2_get_byte(pgb);
|
||||
bytestream2_skip(pgb, 2);
|
||||
out->width = bytestream2_get_be16(pgb);
|
||||
out->height = bytestream2_get_be16(pgb);
|
||||
|
||||
// the header is at least 11 bytes long; we read the first 7
|
||||
if (header_len < 11)
|
||||
return AVERROR_INVALIDDATA;
|
||||
|
||||
// skip the rest of the header
|
||||
bytestream2_skip(pgb, header_len - 7);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int pix_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
|
||||
AVPacket *avpkt)
|
||||
{
|
||||
AVFrame *frame = data;
|
||||
|
||||
int ret, i, j;
|
||||
GetByteContext gb;
|
||||
|
||||
unsigned int bytes_pp;
|
||||
unsigned int magic[4];
|
||||
unsigned int chunk_type;
|
||||
unsigned int data_len;
|
||||
unsigned int bytes_per_scanline;
|
||||
unsigned int bytes_left;
|
||||
PixHeader hdr;
|
||||
|
||||
bytestream2_init(&gb, avpkt->data, avpkt->size);
|
||||
|
||||
magic[0] = bytestream2_get_be32(&gb);
|
||||
magic[1] = bytestream2_get_be32(&gb);
|
||||
magic[2] = bytestream2_get_be32(&gb);
|
||||
magic[3] = bytestream2_get_be32(&gb);
|
||||
|
||||
if (magic[0] != 0x12 ||
|
||||
magic[1] != 0x08 ||
|
||||
magic[2] != 0x02 ||
|
||||
magic[3] != 0x02) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Not a BRender PIX file.\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
|
||||
chunk_type = bytestream2_get_be32(&gb);
|
||||
if (chunk_type != HEADER1_CHUNK && chunk_type != HEADER2_CHUNK) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Invalid chunk type %d.\n", chunk_type);
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
|
||||
ret = pix_decode_header(&hdr, &gb);
|
||||
if (ret < 0) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Invalid header length.\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
switch (hdr.format) {
|
||||
case 3:
|
||||
avctx->pix_fmt = AV_PIX_FMT_PAL8;
|
||||
bytes_pp = 1;
|
||||
break;
|
||||
case 4:
|
||||
avctx->pix_fmt = AV_PIX_FMT_RGB555BE;
|
||||
bytes_pp = 2;
|
||||
break;
|
||||
case 5:
|
||||
avctx->pix_fmt = AV_PIX_FMT_RGB565BE;
|
||||
bytes_pp = 2;
|
||||
break;
|
||||
case 6:
|
||||
avctx->pix_fmt = AV_PIX_FMT_RGB24;
|
||||
bytes_pp = 3;
|
||||
break;
|
||||
case 7:
|
||||
avctx->pix_fmt = AV_PIX_FMT_0RGB;
|
||||
bytes_pp = 4;
|
||||
break;
|
||||
case 8: // ARGB
|
||||
avctx->pix_fmt = AV_PIX_FMT_ARGB;
|
||||
bytes_pp = 4;
|
||||
break;
|
||||
case 18:
|
||||
avctx->pix_fmt = AV_PIX_FMT_Y400A;
|
||||
bytes_pp = 2;
|
||||
break;
|
||||
default:
|
||||
avpriv_request_sample(avctx, "Format %d", hdr.format);
|
||||
return AVERROR_PATCHWELCOME;
|
||||
}
|
||||
|
||||
if ((ret = ff_set_dimensions(avctx, hdr.width, hdr.height)) < 0)
|
||||
return ret;
|
||||
|
||||
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
|
||||
return ret;
|
||||
|
||||
chunk_type = bytestream2_get_be32(&gb);
|
||||
|
||||
if (avctx->pix_fmt == AV_PIX_FMT_PAL8 &&
|
||||
(chunk_type == HEADER1_CHUNK ||
|
||||
chunk_type == HEADER2_CHUNK)) {
|
||||
/* read palette data from data[1] */
|
||||
PixHeader palhdr;
|
||||
uint32_t *pal_out = (uint32_t *)frame->data[1];
|
||||
|
||||
ret = pix_decode_header(&palhdr, &gb);
|
||||
if (ret < 0) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Invalid palette header length.\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
if (palhdr.format != 7)
|
||||
avpriv_request_sample(avctx, "Palette not in RGB format");
|
||||
|
||||
chunk_type = bytestream2_get_be32(&gb);
|
||||
data_len = bytestream2_get_be32(&gb);
|
||||
bytestream2_skip(&gb, 8);
|
||||
if (chunk_type != IMAGE_DATA_CHUNK || data_len != 1032 ||
|
||||
bytestream2_get_bytes_left(&gb) < 1032) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Invalid palette data.\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
// palette data is surrounded by 8 null bytes (both top and bottom)
|
||||
// convert 0RGB to machine endian format (ARGB32)
|
||||
for (i = 0; i < 256; ++i)
|
||||
*pal_out++ = (0xFFU << 24) | bytestream2_get_be32u(&gb);
|
||||
bytestream2_skip(&gb, 8);
|
||||
|
||||
frame->palette_has_changed = 1;
|
||||
|
||||
chunk_type = bytestream2_get_be32(&gb);
|
||||
} else if (avctx->pix_fmt == AV_PIX_FMT_PAL8) {
|
||||
/* no palette supplied, use the default one */
|
||||
uint32_t *pal_out = (uint32_t *)frame->data[1];
|
||||
|
||||
// TODO: add an AVOption to load custom palette files
|
||||
av_log(avctx, AV_LOG_WARNING,
|
||||
"Using default palette, colors might be off.\n");
|
||||
memcpy(pal_out, std_pal_table, sizeof(uint32_t) * 256);
|
||||
|
||||
frame->palette_has_changed = 1;
|
||||
}
|
||||
|
||||
data_len = bytestream2_get_be32(&gb);
|
||||
bytestream2_skip(&gb, 8);
|
||||
|
||||
// read the image data to the buffer
|
||||
bytes_per_scanline = bytes_pp * hdr.width;
|
||||
bytes_left = bytestream2_get_bytes_left(&gb);
|
||||
|
||||
if (chunk_type != IMAGE_DATA_CHUNK || data_len != bytes_left ||
|
||||
bytes_left / bytes_per_scanline < hdr.height) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Invalid image data.\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
|
||||
av_image_copy_plane(frame->data[0], frame->linesize[0],
|
||||
avpkt->data + bytestream2_tell(&gb),
|
||||
bytes_per_scanline,
|
||||
bytes_per_scanline, hdr.height);
|
||||
|
||||
frame->pict_type = AV_PICTURE_TYPE_I;
|
||||
frame->key_frame = 1;
|
||||
*got_frame = 1;
|
||||
|
||||
return avpkt->size;
|
||||
}
|
||||
|
||||
AVCodec ff_brender_pix_decoder = {
|
||||
.name = "brender_pix",
|
||||
.long_name = NULL_IF_CONFIG_SMALL("BRender PIX image"),
|
||||
.type = AVMEDIA_TYPE_VIDEO,
|
||||
.id = AV_CODEC_ID_BRENDER_PIX,
|
||||
.decode = pix_decode_frame,
|
||||
.capabilities = CODEC_CAP_DR1,
|
||||
};
|
@ -1199,13 +1199,6 @@ static const AVCodecDescriptor codec_descriptors[] = {
|
||||
.long_name = NULL_IF_CONFIG_SMALL("X-face image"),
|
||||
.props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY,
|
||||
},
|
||||
{
|
||||
.id = AV_CODEC_ID_BRENDER_PIX,
|
||||
.type = AVMEDIA_TYPE_VIDEO,
|
||||
.name = "brender_pix",
|
||||
.long_name = NULL_IF_CONFIG_SMALL("BRender PIX image"),
|
||||
.props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
|
||||
},
|
||||
{
|
||||
.id = AV_CODEC_ID_SMVJPEG,
|
||||
.type = AVMEDIA_TYPE_VIDEO,
|
||||
@ -1264,6 +1257,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
|
||||
.long_name = NULL_IF_CONFIG_SMALL("ASCII/ANSI art"),
|
||||
.props = AV_CODEC_PROP_LOSSY,
|
||||
},
|
||||
{
|
||||
.id = AV_CODEC_ID_BRENDER_PIX,
|
||||
.type = AVMEDIA_TYPE_VIDEO,
|
||||
.name = "brender_pix",
|
||||
.long_name = NULL_IF_CONFIG_SMALL("BRender PIX image"),
|
||||
.props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
|
||||
},
|
||||
{
|
||||
.id = AV_CODEC_ID_DPX,
|
||||
.type = AVMEDIA_TYPE_VIDEO,
|
||||
|
@ -2675,6 +2675,7 @@ static enum AVCodecID remap_deprecated_codec_id(enum AVCodecID id)
|
||||
//This is for future deprecatec codec ids, its empty since
|
||||
//last major bump but will fill up again over time, please don't remove it
|
||||
// case AV_CODEC_ID_UTVIDEO_DEPRECATED: return AV_CODEC_ID_UTVIDEO;
|
||||
case AV_CODEC_ID_BRENDER_PIX_DEPRECATED: return AV_CODEC_ID_BRENDER_PIX;
|
||||
case AV_CODEC_ID_OPUS_DEPRECATED: return AV_CODEC_ID_OPUS;
|
||||
case AV_CODEC_ID_TAK_DEPRECATED : return AV_CODEC_ID_TAK;
|
||||
case AV_CODEC_ID_PCM_S24LE_PLANAR_DEPRECATED : return AV_CODEC_ID_PCM_S24LE_PLANAR;
|
||||
|
@ -30,7 +30,7 @@
|
||||
|
||||
#define LIBAVCODEC_VERSION_MAJOR 55
|
||||
#define LIBAVCODEC_VERSION_MINOR 55
|
||||
#define LIBAVCODEC_VERSION_MICRO 100
|
||||
#define LIBAVCODEC_VERSION_MICRO 101
|
||||
|
||||
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
|
||||
LIBAVCODEC_VERSION_MINOR, \
|
||||
|
@ -57,8 +57,8 @@ static const IdStrMap img_tags[] = {
|
||||
{ AV_CODEC_ID_TIFF, "tif" },
|
||||
{ AV_CODEC_ID_SGI, "sgi" },
|
||||
{ AV_CODEC_ID_PTX, "ptx" },
|
||||
{ AV_CODEC_ID_BRENDER_PIX,"pix" },
|
||||
{ AV_CODEC_ID_PCX, "pcx" },
|
||||
{ AV_CODEC_ID_BRENDER_PIX, "pix" },
|
||||
{ AV_CODEC_ID_SUNRAST, "sun" },
|
||||
{ AV_CODEC_ID_SUNRAST, "ras" },
|
||||
{ AV_CODEC_ID_SUNRAST, "rs" },
|
||||
|
Loading…
Reference in New Issue
Block a user