threads: limit the number of automatic threads to MAX_AUTO_THREADS

[ffmpeg] / libavcodec / roqvideoenc.c

diff --git a/libavcodec/roqvideoenc.c b/libavcodec/roqvideoenc.c
index 8cca312f22ed60da6a0ce5308501d63a66efee54..2a62d5509d53b1f98876d30ee2e596edbcb23d41 100644 (file)
--- a/libavcodec/roqvideoenc.c
+++ b/libavcodec/roqvideoenc.c
@@ -5,27 +5,27 @@
  * Copyright (C) 2004-2007 Eric Lasota
  *    Based on RoQ specs (C) 2001 Tim Ferguson
  *
- * 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 libavcodec/roqvideoenc.c
+ * @file
  * id RoQ encoder by Vitor. Based on the Switchblade3 library and the
- * Switchblade3 FFmpeg glue by Eric Lasota.
+ * Switchblade3 Libav glue by Eric Lasota.
  */
 
 /*
@@ -55,7 +55,6 @@
  */
 
 #include <string.h>
-#include <unistd.h>
 
 #include "roqvideo.h"
 #include "bytestream.h"
@@ -166,7 +165,7 @@ static int eval_motion_dist(RoqContext *enc, int x, int y, motion_vect vect,
 }
 
 /**
- * Returns distortion between two macroblocks
+ * @return distortion between two macroblocks
  */
 static inline int squared_diff_macroblock(uint8_t a[], uint8_t b[], int size)
 {
@@ -241,7 +240,7 @@ typedef struct RoqTempData
 } RoqTempdata;
 
 /**
- * Initializes cel evaluators and sets their source coordinates
+ * Initialize cel evaluators and set their source coordinates
  */
 static void create_cel_evals(RoqContext *enc, RoqTempdata *tempData)
 {
@@ -394,7 +393,7 @@ static void motion_search(RoqContext *enc, int blocksize)
 }
 
 /**
- * Gets distortion for all options available to a subcel
+ * Get distortion for all options available to a subcel
  */
 static void gather_data_for_subcel(SubcelEvaluation *subcel, int x,
                                    int y, RoqContext *enc, RoqTempdata *tempData)
@@ -458,7 +457,7 @@ static void gather_data_for_subcel(SubcelEvaluation *subcel, int x,
 }
 
 /**
- * Gets distortion for all options available to a cel
+ * Get distortion for all options available to a cel
  */
 static void gather_data_for_cel(CelEvaluation *cel, RoqContext *enc,
                                 RoqTempdata *tempData)
@@ -774,7 +773,7 @@ static inline void frame_block_to_cell(uint8_t *block, uint8_t **data,
 }
 
 /**
- * Creates YUV clusters for the entire image
+ * Create YUV clusters for the entire image
  */
 static void create_clusters(AVFrame *frame, int w, int h, uint8_t *yuvClusters)
 {
@@ -796,7 +795,7 @@ static void generate_codebook(RoqContext *enc, RoqTempdata *tempdata,
 {
     int i, j, k;
     int c_size = size*size/4;
-    int *buf = points;
+    int *buf;
     int *codebook = av_malloc(6*c_size*cbsize*sizeof(int));
     int *closest_cb;
 
@@ -899,9 +898,20 @@ static void roq_encode_video(RoqContext *enc)
     for (i=0; i<enc->width*enc->height/64; i++)
         gather_data_for_cel(tempData->cel_evals + i, enc, tempData);
 
-    /* Quake 3 can't handle chunks bigger than 65536 bytes */
-    if (tempData->mainChunkSize/8 > 65536) {
-        enc->lambda *= .8;
+    /* Quake 3 can't handle chunks bigger than 65535 bytes */
+    if (tempData->mainChunkSize/8 > 65535) {
+        av_log(enc->avctx, AV_LOG_ERROR,
+               "Warning, generated a frame too big (%d > 65535), "
+               "try using a smaller qscale value.\n",
+               tempData->mainChunkSize/8);
+        enc->lambda *= 1.5;
+        tempData->mainChunkSize = 0;
+        memset(tempData->used_option, 0, sizeof(tempData->used_option));
+        memset(tempData->codebooks.usedCB4, 0,
+               sizeof(tempData->codebooks.usedCB4));
+        memset(tempData->codebooks.usedCB2, 0,
+               sizeof(tempData->codebooks.usedCB2));
+
         goto retry_encode;
     }
 
@@ -940,12 +950,6 @@ static int roq_encode_init(AVCodecContext *avctx)
     if (((avctx->width)&(avctx->width-1))||((avctx->height)&(avctx->height-1)))
         av_log(avctx, AV_LOG_ERROR, "Warning: dimensions not power of two\n");
 
-    if (avcodec_check_dimensions(avctx, avctx->width, avctx->height)) {
-        av_log(avctx, AV_LOG_ERROR, "Invalid dimensions (%dx%d)\n",
-               avctx->width, avctx->height);
-        return -1;
-    }
-
     enc->width = avctx->width;
     enc->height = avctx->height;
 
@@ -1061,16 +1065,15 @@ static int roq_encode_end(AVCodecContext *avctx)
     return 0;
 }
 
-AVCodec roq_encoder =
-{
-    "roqvideo",
-    CODEC_TYPE_VIDEO,
-    CODEC_ID_ROQ,
-    sizeof(RoqContext),
-    roq_encode_init,
-    roq_encode_frame,
-    roq_encode_end,
-    .supported_framerates = (AVRational[]){{30,1}, {0,0}},
-    .pix_fmts = (enum PixelFormat[]){PIX_FMT_YUV444P, PIX_FMT_NONE},
-    .long_name = NULL_IF_CONFIG_SMALL("id RoQ video"),
+AVCodec ff_roq_encoder = {
+    .name                 = "roqvideo",
+    .type                 = AVMEDIA_TYPE_VIDEO,
+    .id                   = CODEC_ID_ROQ,
+    .priv_data_size       = sizeof(RoqContext),
+    .init                 = roq_encode_init,
+    .encode               = roq_encode_frame,
+    .close                = roq_encode_end,
+    .supported_framerates = (const AVRational[]){{30,1}, {0,0}},
+    .pix_fmts             = (const enum PixelFormat[]){PIX_FMT_YUV444P, PIX_FMT_NONE},
+    .long_name            = NULL_IF_CONFIG_SMALL("id RoQ video"),
 };