X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2F8bps.c;h=de8dd8ee84f76be45bf4f0808ba63c8333df0296;hb=e5ec68699e418b5c6044195fb998ee5287f2bb6f;hp=4376d0706472f54754bb3db1cbb0ac408090c256;hpb=dd1c8f3e6e5380f993c86750bb09fd42e130143f;p=ffmpeg

diff --git a/libavcodec/8bps.c b/libavcodec/8bps.c
index 4376d070647..de8dd8ee84f 100644
--- a/libavcodec/8bps.c
+++ b/libavcodec/8bps.c
@@ -2,25 +2,25 @@
  * Quicktime Planar RGB (8BPS) Video Decoder
  * Copyright (C) 2003 Roberto Togni
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**
- * @file 8bps.c
+ * @file
  * QT 8BPS Video Decoder by Roberto Togni
  * For more information about the 8BPS format, visit:
  *   http://www.pcisys.net/~melanson/codecs/
@@ -34,6 +34,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "libavutil/intreadwrite.h"
 #include "avcodec.h"
 
 
@@ -49,6 +50,8 @@ typedef struct EightBpsContext {
 
         unsigned char planes;
         unsigned char planemap[4];
+
+        uint32_t pal[256];
 } EightBpsContext;
 
 
@@ -57,8 +60,10 @@ typedef struct EightBpsContext {
  * Decode a frame
  *
  */
-static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, const uint8_t *buf, int buf_size)
+static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
 {
+        const uint8_t *buf = avpkt->data;
+        int buf_size = avpkt->size;
         EightBpsContext * const c = avctx->priv_data;
         const unsigned char *encoded = buf;
         unsigned char *pixptr, *pixptr_end;
@@ -97,7 +102,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, const
                 for(row = 0; row < height; row++) {
                         pixptr = c->pic.data[0] + row * c->pic.linesize[0] + planemap[p];
                         pixptr_end = pixptr + c->pic.linesize[0];
-                        dlen = be2me_16(*(const unsigned short *)(lp+row*2));
+                        dlen = av_be2ne16(*(const unsigned short *)(lp+row*2));
                         /* Decode a row of this plane */
                         while(dlen > 0) {
                                 if(dp + 1 >= buf+buf_size) return -1;
@@ -126,13 +131,16 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, const
                 }
         }
 
-        if (avctx->palctrl) {
-                memcpy (c->pic.data[1], avctx->palctrl->palette, AVPALETTE_SIZE);
-                if (avctx->palctrl->palette_changed) {
+        if (avctx->bits_per_coded_sample <= 8) {
+                const uint8_t *pal = av_packet_get_side_data(avpkt,
+                                                             AV_PKT_DATA_PALETTE,
+                                                             NULL);
+                if (pal) {
                         c->pic.palette_has_changed = 1;
-                        avctx->palctrl->palette_changed = 0;
-                } else
-                        c->pic.palette_has_changed = 0;
+                        memcpy(c->pal, pal, AVPALETTE_SIZE);
+                }
+
+                memcpy (c->pic.data[1], c->pal, AVPALETTE_SIZE);
         }
 
         *data_size = sizeof(AVFrame);
@@ -156,19 +164,11 @@ static av_cold int decode_init(AVCodecContext *avctx)
 
         c->pic.data[0] = NULL;
 
-    if (avcodec_check_dimensions(avctx, avctx->width, avctx->height) < 0) {
-        return 1;
-    }
-
         switch (avctx->bits_per_coded_sample) {
                 case 8:
                         avctx->pix_fmt = PIX_FMT_PAL8;
                         c->planes = 1;
                         c->planemap[0] = 0; // 1st plane is palette indexes
-                        if (avctx->palctrl == NULL) {
-                                av_log(avctx, AV_LOG_ERROR, "Error: PAL8 format but no palette from demuxer.\n");
-                                return -1;
-                        }
                         break;
                 case 24:
                         avctx->pix_fmt = avctx->get_format(avctx, pixfmt_rgb24);
@@ -180,7 +180,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
                 case 32:
                         avctx->pix_fmt = PIX_FMT_RGB32;
                         c->planes = 4;
-#ifdef WORDS_BIGENDIAN
+#if HAVE_BIGENDIAN
                         c->planemap[0] = 1; // 1st plane is red
                         c->planemap[1] = 2; // 2nd plane is green
                         c->planemap[2] = 3; // 3rd plane is blue
@@ -220,15 +220,14 @@ static av_cold int decode_end(AVCodecContext *avctx)
 
 
 
-AVCodec eightbps_decoder = {
-        "8bps",
-        CODEC_TYPE_VIDEO,
-        CODEC_ID_8BPS,
-        sizeof(EightBpsContext),
-        decode_init,
-        NULL,
-        decode_end,
-        decode_frame,
-        CODEC_CAP_DR1,
-        .long_name = NULL_IF_CONFIG_SMALL("QuickTime 8BPS video"),
+AVCodec ff_eightbps_decoder = {
+    .name           = "8bps",
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = CODEC_ID_8BPS,
+    .priv_data_size = sizeof(EightBpsContext),
+    .init           = decode_init,
+    .close          = decode_end,
+    .decode         = decode_frame,
+    .capabilities   = CODEC_CAP_DR1,
+    .long_name      = NULL_IF_CONFIG_SMALL("QuickTime 8BPS video"),
 };