cabac: split cabac.h into declarations and function definitions

[ffmpeg] / libavcodec / qtrleenc.c

diff --git a/libavcodec/qtrleenc.c b/libavcodec/qtrleenc.c
index 171ac25b48a742b9f7461b305bea32537a42c9cb..ede03d2f782afd0e76105ee0f2dff976011dcd41 100644 (file)
--- a/libavcodec/qtrleenc.c
+++ b/libavcodec/qtrleenc.c
@@ -5,23 +5,24 @@
  *
  * This file is based on flashsvenc.c.
  *
- * 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
  */
 
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "bytestream.h"
 
@@ -62,18 +63,21 @@ static av_cold int qtrle_encode_init(AVCodecContext *avctx)
 {
     QtrleEncContext *s = avctx->priv_data;
 
-    if (avcodec_check_dimensions(avctx, avctx->width, avctx->height) < 0) {
+    if (av_image_check_size(avctx->width, avctx->height, 0, avctx) < 0) {
         return -1;
     }
     s->avctx=avctx;
 
     switch (avctx->pix_fmt) {
-/*    case PIX_FMT_RGB555:
+    case PIX_FMT_RGB555BE:
         s->pixel_size = 2;
-        break;*/
+        break;
     case PIX_FMT_RGB24:
         s->pixel_size = 3;
         break;
+    case PIX_FMT_ARGB:
+        s->pixel_size = 4;
+        break;
     default:
         av_log(avctx, AV_LOG_ERROR, "Unsupported colorspace.\n");
         break;
@@ -101,7 +105,7 @@ static av_cold int qtrle_encode_init(AVCodecContext *avctx)
 }
 
 /**
- * Computes the best RLE sequence for a line
+ * Compute the best RLE sequence for a line
  */
 static void qtrle_encode_line(QtrleEncContext *s, AVFrame *p, int line, uint8_t **buf)
 {
@@ -126,8 +130,10 @@ static void qtrle_encode_line(QtrleEncContext *s, AVFrame *p, int line, uint8_t
     int temp_cost;
     int j;
 
-    uint8_t *this_line = p->               data[0] + line*p->linesize[0] + (width - 1)*s->pixel_size;
-    uint8_t *prev_line = s->previous_frame.data[0] + line*p->linesize[0] + (width - 1)*s->pixel_size;
+    uint8_t *this_line = p->               data[0] + line*p->               linesize[0] +
+        (width - 1)*s->pixel_size;
+    uint8_t *prev_line = s->previous_frame.data[0] + line*s->previous_frame.linesize[0] +
+        (width - 1)*s->pixel_size;
 
     s->length_table[width] = 0;
     skipcount = 0;
@@ -200,7 +206,6 @@ static void qtrle_encode_line(QtrleEncContext *s, AVFrame *p, int line, uint8_t
 
     i=0;
     this_line = p->               data[0] + line*p->linesize[0];
-    prev_line = s->previous_frame.data[0] + line*p->linesize[0];
 
     if (s->rlecode_table[0] == 0) {
         bytestream_put_byte(buf, s->skip_table[0] + 1);
@@ -231,7 +236,7 @@ static void qtrle_encode_line(QtrleEncContext *s, AVFrame *p, int line, uint8_t
     bytestream_put_byte(buf, -1); // end RLE line
 }
 
-/** Encodes frame including header */
+/** Encode frame including header */
 static int encode_frame(QtrleEncContext *s, AVFrame *p, uint8_t *buf)
 {
     int i;
@@ -240,16 +245,17 @@ static int encode_frame(QtrleEncContext *s, AVFrame *p, uint8_t *buf)
     uint8_t *orig_buf = buf;
 
     if (!s->frame.key_frame) {
+        unsigned line_size = s->avctx->width * s->pixel_size;
         for (start_line = 0; start_line < s->avctx->height; start_line++)
             if (memcmp(p->data[0] + start_line*p->linesize[0],
-                       s->previous_frame.data[0] + start_line*p->linesize[0],
-                       p->linesize[0]))
+                       s->previous_frame.data[0] + start_line*s->previous_frame.linesize[0],
+                       line_size))
                 break;
 
         for (end_line=s->avctx->height; end_line > start_line; end_line--)
             if (memcmp(p->data[0] + (end_line - 1)*p->linesize[0],
-                       s->previous_frame.data[0] + (end_line - 1)*p->linesize[0],
-                       p->linesize[0]))
+                       s->previous_frame.data[0] + (end_line - 1)*s->previous_frame.linesize[0],
+                       line_size))
                 break;
     }
 
@@ -289,11 +295,11 @@ static int qtrle_encode_frame(AVCodecContext *avctx, uint8_t *buf, int buf_size,
 
     if (avctx->gop_size == 0 || (s->avctx->frame_number % avctx->gop_size) == 0) {
         /* I-Frame */
-        p->pict_type = FF_I_TYPE;
+        p->pict_type = AV_PICTURE_TYPE_I;
         p->key_frame = 1;
     } else {
         /* P-Frame */
-        p->pict_type = FF_P_TYPE;
+        p->pict_type = AV_PICTURE_TYPE_P;
         p->key_frame = 0;
     }
 
@@ -315,14 +321,14 @@ static av_cold int qtrle_encode_end(AVCodecContext *avctx)
     return 0;
 }
 
-AVCodec qtrle_encoder = {
-    "qtrle",
-    CODEC_TYPE_VIDEO,
-    CODEC_ID_QTRLE,
-    sizeof(QtrleEncContext),
-    qtrle_encode_init,
-    qtrle_encode_frame,
-    qtrle_encode_end,
-    .pix_fmts = (enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_NONE},
+AVCodec ff_qtrle_encoder = {
+    .name           = "qtrle",
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = CODEC_ID_QTRLE,
+    .priv_data_size = sizeof(QtrleEncContext),
+    .init           = qtrle_encode_init,
+    .encode         = qtrle_encode_frame,
+    .close          = qtrle_encode_end,
+    .pix_fmts = (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB555BE, PIX_FMT_ARGB, PIX_FMT_NONE},
     .long_name = NULL_IF_CONFIG_SMALL("QuickTime Animation (RLE) video"),
 };