rtmpproto: fix compilation without optimizations

[ffmpeg] / libavcodec / lagarith.c

diff --git a/libavcodec/lagarith.c b/libavcodec/lagarith.c
index 3df5f2600af4c18118db48e2ae63bf0c32d66c40..7047e62e6cd25080fa77336d127ffe572a39d6b0 100644 (file)
--- a/libavcodec/lagarith.c
+++ b/libavcodec/lagarith.c
@@ -30,6 +30,7 @@
 #include "mathops.h"
 #include "dsputil.h"
 #include "lagarithrac.h"
+#include "thread.h"
 
 enum LagarithFrameType {
     FRAME_RAW           = 1,    /**< uncompressed */
@@ -198,7 +199,7 @@ static int lag_read_prob_header(lag_rac *rac, GetBitContext *gb)
             /* Comment from reference source:
              * if (b & 0x80 == 0) {     // order of operations is 'wrong'; it has been left this way
              *                          // since the compression change is negligable and fixing it
-             *                          // breaks backwards compatibilty
+             *                          // breaks backwards compatibility
              *      b =- (signed int)b;
              *      b &= 0xFF;
              * } else {
@@ -269,6 +270,40 @@ static void lag_pred_line(LagarithContext *l, uint8_t *buf,
     }
 }
 
+static void lag_pred_line_yuy2(LagarithContext *l, uint8_t *buf,
+                               int width, int stride, int line,
+                               int is_luma)
+{
+    int L, TL;
+
+    if (!line) {
+        if (is_luma) {
+            buf++;
+            width--;
+        }
+        l->dsp.add_hfyu_left_prediction(buf + 1, buf + 1, width - 1, buf[0]);
+        return;
+    }
+    if (line == 1) {
+        const int HEAD = is_luma ? 4 : 2;
+        int i;
+
+        L  = buf[width - stride - 1];
+        TL = buf[HEAD  - stride - 1];
+        for (i = 0; i < HEAD; i++) {
+            L += buf[i];
+            buf[i] = L;
+        }
+        buf   += HEAD;
+        width -= HEAD;
+    } else {
+        TL = buf[width - (2 * stride) - 1];
+        L  = buf[width - stride - 1];
+    }
+    l->dsp.add_hfyu_median_prediction(buf, buf - stride, buf, width,
+                                      &L, &TL);
+}
+
 static int lag_decode_line(LagarithContext *l, lag_rac *rac,
                            uint8_t *dst, int width, int stride,
                            int esc_count)
@@ -442,9 +477,17 @@ static int lag_decode_arith_plane(LagarithContext *l, uint8_t *dst,
         return -1;
     }
 
-    for (i = 0; i < height; i++) {
-        lag_pred_line(l, dst, width, stride, i);
-        dst += stride;
+    if (l->avctx->pix_fmt != PIX_FMT_YUV422P) {
+        for (i = 0; i < height; i++) {
+            lag_pred_line(l, dst, width, stride, i);
+            dst += stride;
+        }
+    } else {
+        for (i = 0; i < height; i++) {
+            lag_pred_line_yuy2(l, dst, width, stride, i,
+                               width == l->avctx->width);
+            dst += stride;
+        }
     }
 
     return 0;
@@ -467,14 +510,14 @@ static int lag_decode_frame(AVCodecContext *avctx,
     AVFrame *const p = &l->picture;
     uint8_t frametype = 0;
     uint32_t offset_gu = 0, offset_bv = 0, offset_ry = 9;
-    int offs[4];
+    uint32_t offs[4];
     uint8_t *srcs[4], *dst;
     int i, j, planes = 3;
 
     AVFrame *picture = data;
 
     if (p->data[0])
-        avctx->release_buffer(avctx, p);
+        ff_thread_release_buffer(avctx, p);
 
     p->reference = 0;
     p->key_frame = 1;
@@ -488,7 +531,7 @@ static int lag_decode_frame(AVCodecContext *avctx,
     case FRAME_SOLID_RGBA:
         avctx->pix_fmt = PIX_FMT_RGB32;
 
-        if (avctx->get_buffer(avctx, p) < 0) {
+        if (ff_thread_get_buffer(avctx, p) < 0) {
             av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
             return -1;
         }
@@ -510,7 +553,7 @@ static int lag_decode_frame(AVCodecContext *avctx,
         if (frametype == FRAME_ARITH_RGB24 || frametype == FRAME_U_RGB24)
             avctx->pix_fmt = PIX_FMT_RGB24;
 
-        if (avctx->get_buffer(avctx, p) < 0) {
+        if (ff_thread_get_buffer(avctx, p) < 0) {
             av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
             return -1;
         }
@@ -566,10 +609,36 @@ static int lag_decode_frame(AVCodecContext *avctx,
                 srcs[i] += l->rgb_stride;
         }
         break;
+    case FRAME_ARITH_YUY2:
+        avctx->pix_fmt = PIX_FMT_YUV422P;
+
+        if (ff_thread_get_buffer(avctx, p) < 0) {
+            av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+            return -1;
+        }
+
+        if (offset_ry >= buf_size ||
+            offset_gu >= buf_size ||
+            offset_bv >= buf_size) {
+            av_log(avctx, AV_LOG_ERROR,
+                   "Invalid frame offsets\n");
+            return AVERROR_INVALIDDATA;
+        }
+
+        lag_decode_arith_plane(l, p->data[0], avctx->width, avctx->height,
+                               p->linesize[0], buf + offset_ry,
+                               buf_size - offset_ry);
+        lag_decode_arith_plane(l, p->data[1], avctx->width / 2,
+                               avctx->height, p->linesize[1],
+                               buf + offset_gu, buf_size - offset_gu);
+        lag_decode_arith_plane(l, p->data[2], avctx->width / 2,
+                               avctx->height, p->linesize[2],
+                               buf + offset_bv, buf_size - offset_bv);
+        break;
     case FRAME_ARITH_YV12:
         avctx->pix_fmt = PIX_FMT_YUV420P;
 
-        if (avctx->get_buffer(avctx, p) < 0) {
+        if (ff_thread_get_buffer(avctx, p) < 0) {
             av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
             return -1;
         }
@@ -622,7 +691,7 @@ static av_cold int lag_decode_end(AVCodecContext *avctx)
     LagarithContext *l = avctx->priv_data;
 
     if (l->picture.data[0])
-        avctx->release_buffer(avctx, &l->picture);
+        ff_thread_release_buffer(avctx, &l->picture);
     av_freep(&l->rgb_planes);
 
     return 0;
@@ -636,6 +705,6 @@ AVCodec ff_lagarith_decoder = {
     .init           = lag_decode_init,
     .close          = lag_decode_end,
     .decode         = lag_decode_frame,
-    .capabilities   = CODEC_CAP_DR1,
+    .capabilities   = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS,
     .long_name      = NULL_IF_CONFIG_SMALL("Lagarith lossless"),
 };