mjpeg: Rename some symbols to avpriv_* instead of ff_*
[ffmpeg.git] / libavcodec / mjpegenc.c
index 5ef6db5..d369d36 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * MJPEG encoder
- * Copyright (c) 2000, 2001 Fabrice Bellard.
+ * Copyright (c) 2000, 2001 Fabrice Bellard
  * Copyright (c) 2003 Alex Beregszaszi
  * Copyright (c) 2003-2004 Michael Niedermayer
  *
@@ -8,25 +8,25 @@
  * aspecting, new decode_frame mechanism and apple mjpeg-b support
  *                                  by Alex Beregszaszi
  *
- * 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 mjpegenc.c
+ * @file
  * MJPEG encoder.
  */
 
@@ -58,20 +58,20 @@ av_cold int ff_mjpeg_encode_init(MpegEncContext *s)
     /* build all the huffman tables */
     ff_mjpeg_build_huffman_codes(m->huff_size_dc_luminance,
                                  m->huff_code_dc_luminance,
-                                 ff_mjpeg_bits_dc_luminance,
-                                 ff_mjpeg_val_dc);
+                                 avpriv_mjpeg_bits_dc_luminance,
+                                 avpriv_mjpeg_val_dc);
     ff_mjpeg_build_huffman_codes(m->huff_size_dc_chrominance,
                                  m->huff_code_dc_chrominance,
-                                 ff_mjpeg_bits_dc_chrominance,
-                                 ff_mjpeg_val_dc);
+                                 avpriv_mjpeg_bits_dc_chrominance,
+                                 avpriv_mjpeg_val_dc);
     ff_mjpeg_build_huffman_codes(m->huff_size_ac_luminance,
                                  m->huff_code_ac_luminance,
-                                 ff_mjpeg_bits_ac_luminance,
-                                 ff_mjpeg_val_ac_luminance);
+                                 avpriv_mjpeg_bits_ac_luminance,
+                                 avpriv_mjpeg_val_ac_luminance);
     ff_mjpeg_build_huffman_codes(m->huff_size_ac_chrominance,
                                  m->huff_code_ac_chrominance,
-                                 ff_mjpeg_bits_ac_chrominance,
-                                 ff_mjpeg_val_ac_chrominance);
+                                 avpriv_mjpeg_bits_ac_chrominance,
+                                 avpriv_mjpeg_val_ac_chrominance);
 
     s->mjpeg_ctx = m;
     return 0;
@@ -135,18 +135,18 @@ static void jpeg_table_header(MpegEncContext *s)
     /* huffman table */
     put_marker(p, DHT);
     flush_put_bits(p);
-    ptr = pbBufPtr(p);
+    ptr = put_bits_ptr(p);
     put_bits(p, 16, 0); /* patched later */
     size = 2;
-    size += put_huffman_table(s, 0, 0, ff_mjpeg_bits_dc_luminance,
-                              ff_mjpeg_val_dc);
-    size += put_huffman_table(s, 0, 1, ff_mjpeg_bits_dc_chrominance,
-                              ff_mjpeg_val_dc);
-
-    size += put_huffman_table(s, 1, 0, ff_mjpeg_bits_ac_luminance,
-                              ff_mjpeg_val_ac_luminance);
-    size += put_huffman_table(s, 1, 1, ff_mjpeg_bits_ac_chrominance,
-                              ff_mjpeg_val_ac_chrominance);
+    size += put_huffman_table(s, 0, 0, avpriv_mjpeg_bits_dc_luminance,
+                              avpriv_mjpeg_val_dc);
+    size += put_huffman_table(s, 0, 1, avpriv_mjpeg_bits_dc_chrominance,
+                              avpriv_mjpeg_val_dc);
+
+    size += put_huffman_table(s, 1, 0, avpriv_mjpeg_bits_ac_luminance,
+                              avpriv_mjpeg_val_ac_luminance);
+    size += put_huffman_table(s, 1, 1, avpriv_mjpeg_bits_ac_chrominance,
+                              avpriv_mjpeg_val_ac_chrominance);
     AV_WB16(ptr, size);
 }
 
@@ -174,7 +174,7 @@ static void jpeg_put_comments(MpegEncContext *s)
     if(!(s->flags & CODEC_FLAG_BITEXACT)){
         put_marker(p, COM);
         flush_put_bits(p);
-        ptr = pbBufPtr(p);
+        ptr = put_bits_ptr(p);
         put_bits(p, 16, 0); /* patched later */
         ff_put_string(p, LIBAVCODEC_IDENT, 1);
         size = strlen(LIBAVCODEC_IDENT)+3;
@@ -186,7 +186,7 @@ static void jpeg_put_comments(MpegEncContext *s)
        ||s->avctx->pix_fmt == PIX_FMT_YUV444P){
         put_marker(p, COM);
         flush_put_bits(p);
-        ptr = pbBufPtr(p);
+        ptr = put_bits_ptr(p);
         put_bits(p, 16, 0); /* patched later */
         ff_put_string(p, "CS=ITU601", 1);
         size = strlen("CS=ITU601")+3;
@@ -196,7 +196,7 @@ static void jpeg_put_comments(MpegEncContext *s)
 
 void ff_mjpeg_encode_picture_header(MpegEncContext *s)
 {
-    const int lossless= s->avctx->codec_id != CODEC_ID_MJPEG;
+    const int lossless= s->avctx->codec_id != AV_CODEC_ID_MJPEG;
 
     put_marker(&s->pb, SOI);
 
@@ -205,13 +205,13 @@ void ff_mjpeg_encode_picture_header(MpegEncContext *s)
     jpeg_table_header(s);
 
     switch(s->avctx->codec_id){
-    case CODEC_ID_MJPEG:  put_marker(&s->pb, SOF0 ); break;
-    case CODEC_ID_LJPEG:  put_marker(&s->pb, SOF3 ); break;
+    case AV_CODEC_ID_MJPEG:  put_marker(&s->pb, SOF0 ); break;
+    case AV_CODEC_ID_LJPEG:  put_marker(&s->pb, SOF3 ); break;
     default: assert(0);
     }
 
     put_bits(&s->pb, 16, 17);
-    if(lossless && s->avctx->pix_fmt == PIX_FMT_RGB32)
+    if(lossless && s->avctx->pix_fmt == PIX_FMT_BGRA)
         put_bits(&s->pb, 8, 9); /* 9 bits/component RCT */
     else
         put_bits(&s->pb, 8, 8); /* 8 bits/component */
@@ -268,8 +268,8 @@ void ff_mjpeg_encode_picture_header(MpegEncContext *s)
     put_bits(&s->pb, 8, lossless ? s->avctx->prediction_method+1 : 0); /* Ss (not used) */
 
     switch(s->avctx->codec_id){
-    case CODEC_ID_MJPEG:  put_bits(&s->pb, 8, 63); break; /* Se (not used) */
-    case CODEC_ID_LJPEG:  put_bits(&s->pb, 8,  0); break; /* not used */
+    case AV_CODEC_ID_MJPEG:  put_bits(&s->pb, 8, 63); break; /* Se (not used) */
+    case AV_CODEC_ID_LJPEG:  put_bits(&s->pb, 8,  0); break; /* not used */
     default: assert(0);
     }
 
@@ -313,11 +313,8 @@ static void escape_FF(MpegEncContext *s, int start)
 
     if(ff_count==0) return;
 
-    /* skip put bits */
-    for(i=0; i<ff_count-3; i+=4)
-        put_bits(&s->pb, 32, 0);
-    put_bits(&s->pb, (ff_count-i)*8, 0);
     flush_put_bits(&s->pb);
+    skip_put_bytes(&s->pb, ff_count);
 
     for(i=size-1; ff_count; i--){
         int v= buf[i];
@@ -369,7 +366,7 @@ void ff_mjpeg_encode_dc(MpegEncContext *s, int val,
 
         put_bits(&s->pb, huff_size[nbits], huff_code[nbits]);
 
-        put_bits(&s->pb, nbits, mant & ((1 << nbits) - 1));
+        put_sbits(&s->pb, nbits, mant);
     }
 }
 
@@ -421,7 +418,7 @@ static void encode_block(MpegEncContext *s, DCTELEM *block, int n)
 
             put_bits(&s->pb, huff_size_ac[code], huff_code_ac[code]);
 
-            put_bits(&s->pb, nbits, mant & ((1 << nbits) - 1));
+            put_sbits(&s->pb, nbits, mant);
             run = 0;
         }
     }
@@ -444,16 +441,20 @@ void ff_mjpeg_encode_mb(MpegEncContext *s, DCTELEM block[6][64])
         encode_block(s, block[5], 5);
         encode_block(s, block[7], 7);
     }
+
+    s->i_tex_bits += get_bits_diff(s);
 }
 
-AVCodec mjpeg_encoder = {
-    "mjpeg",
-    CODEC_TYPE_VIDEO,
-    CODEC_ID_MJPEG,
-    sizeof(MpegEncContext),
-    MPV_encode_init,
-    MPV_encode_picture,
-    MPV_encode_end,
-    .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_NONE},
-    .long_name= NULL_IF_CONFIG_SMALL("MJPEG (Motion JPEG)"),
+AVCodec ff_mjpeg_encoder = {
+    .name           = "mjpeg",
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_MJPEG,
+    .priv_data_size = sizeof(MpegEncContext),
+    .init           = ff_MPV_encode_init,
+    .encode2        = ff_MPV_encode_picture,
+    .close          = ff_MPV_encode_end,
+    .pix_fmts       = (const enum PixelFormat[]){
+        PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_NONE
+    },
+    .long_name      = NULL_IF_CONFIG_SMALL("MJPEG (Motion JPEG)"),
 };