mpegvideo_enc: only allocate output packet when we know there will be output

[ffmpeg] / libavcodec / x86 / mpegvideo_mmx.c

diff --git a/libavcodec/x86/mpegvideo_mmx.c b/libavcodec/x86/mpegvideo_mmx.c
index a32e35b6b71aaee49a05abd6fe7dc4f14815af4a..dcce48638b089cb96f946502b101a871b18c2c31 100644 (file)
--- a/libavcodec/x86/mpegvideo_mmx.c
+++ b/libavcodec/x86/mpegvideo_mmx.c
@@ -5,20 +5,20 @@
  * Optimized for ia32 CPUs by Nick Kurshev <nickols_k@mail.ru>
  * h263, mpeg1, mpeg2 dequantizer & draw_edges by Michael Niedermayer <michaelni@gmx.at>
  *
- * 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
  */
 
@@ -29,7 +29,7 @@
 #include "libavcodec/mpegvideo.h"
 #include "dsputil_mmx.h"
 
-extern uint16_t inv_zigzag_direct16[64];
+extern uint16_t ff_inv_zigzag_direct16[64];
 
 
 static void dct_unquantize_h263_intra_mmx(MpegEncContext *s,
@@ -66,7 +66,7 @@ __asm__ volatile(
                 "packssdw %%mm5, %%mm5          \n\t"
                 "psubw %%mm5, %%mm7             \n\t"
                 "pxor %%mm4, %%mm4              \n\t"
-                ASMALIGN(4)
+                ".p2align 4                     \n\t"
                 "1:                             \n\t"
                 "movq (%0, %3), %%mm0           \n\t"
                 "movq 8(%0, %3), %%mm1          \n\t"
@@ -129,7 +129,7 @@ __asm__ volatile(
                 "packssdw %%mm5, %%mm5          \n\t"
                 "psubw %%mm5, %%mm7             \n\t"
                 "pxor %%mm4, %%mm4              \n\t"
-                ASMALIGN(4)
+                ".p2align 4                     \n\t"
                 "1:                             \n\t"
                 "movq (%0, %3), %%mm0           \n\t"
                 "movq 8(%0, %3), %%mm1          \n\t"
@@ -222,7 +222,7 @@ __asm__ volatile(
                 "packssdw %%mm6, %%mm6          \n\t"
                 "packssdw %%mm6, %%mm6          \n\t"
                 "mov %3, %%"REG_a"              \n\t"
-                ASMALIGN(4)
+                ".p2align 4                     \n\t"
                 "1:                             \n\t"
                 "movq (%0, %%"REG_a"), %%mm0    \n\t"
                 "movq 8(%0, %%"REG_a"), %%mm1   \n\t"
@@ -285,7 +285,7 @@ __asm__ volatile(
                 "packssdw %%mm6, %%mm6          \n\t"
                 "packssdw %%mm6, %%mm6          \n\t"
                 "mov %3, %%"REG_a"              \n\t"
-                ASMALIGN(4)
+                ".p2align 4                     \n\t"
                 "1:                             \n\t"
                 "movq (%0, %%"REG_a"), %%mm0    \n\t"
                 "movq 8(%0, %%"REG_a"), %%mm1   \n\t"
@@ -357,7 +357,7 @@ __asm__ volatile(
                 "packssdw %%mm6, %%mm6          \n\t"
                 "packssdw %%mm6, %%mm6          \n\t"
                 "mov %3, %%"REG_a"              \n\t"
-                ASMALIGN(4)
+                ".p2align 4                     \n\t"
                 "1:                             \n\t"
                 "movq (%0, %%"REG_a"), %%mm0    \n\t"
                 "movq 8(%0, %%"REG_a"), %%mm1   \n\t"
@@ -418,7 +418,7 @@ __asm__ volatile(
                 "packssdw %%mm6, %%mm6          \n\t"
                 "packssdw %%mm6, %%mm6          \n\t"
                 "mov %3, %%"REG_a"              \n\t"
-                ASMALIGN(4)
+                ".p2align 4                     \n\t"
                 "1:                             \n\t"
                 "movq (%0, %%"REG_a"), %%mm0    \n\t"
                 "movq 8(%0, %%"REG_a"), %%mm1   \n\t"
@@ -626,7 +626,7 @@ static void  denoise_dct_sse2(MpegEncContext *s, DCTELEM *block){
 #include "mpegvideo_mmx_template.c"
 #endif
 
-void MPV_common_init_mmx(MpegEncContext *s)
+void ff_MPV_common_init_mmx(MpegEncContext *s)
 {
     int mm_flags = av_get_cpu_flags();