diff options
| author | XhmikosR <xhmikosr@users.sourceforge.net> | 2010-07-23 10:36:42 +0400 |
|---|---|---|
| committer | XhmikosR <xhmikosr@users.sourceforge.net> | 2010-07-23 10:36:42 +0400 |
| commit | 7c67a6e4045516f0fa222e29b03aed8fe8189b7f (patch) | |
| tree | 7ec71cbb4ae095ba401b67c5fd302ff1d66cc845 /src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/avpacket.c | |
| parent | 335f95c6e1384b3c873b0c924f09e3c6d449d013 (diff) | |
Updated ffmpeg
(Thanks to Aleksoid for fixing the unresolved externals when linking)
git-svn-id: https://mpc-hc.svn.sourceforge.net/svnroot/mpc-hc/trunk@2143 10f7b99b-c216-0410-bff0-8a66a9350fd8
Diffstat (limited to 'src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/avpacket.c')
| -rw-r--r-- | src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/avpacket.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/avpacket.c b/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/avpacket.c new file mode 100644 index 000000000..b0afd3ca1 --- /dev/null +++ b/src/filters/transform/MPCVideoDec/ffmpeg/libavcodec/avpacket.c @@ -0,0 +1,99 @@ +/*
+ * AVPacket functions for libavcodec
+ * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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,
+ * 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "avcodec.h"
+
+
+void av_destruct_packet_nofree(AVPacket *pkt)
+{
+ pkt->data = NULL; pkt->size = 0;
+}
+
+void av_destruct_packet(AVPacket *pkt)
+{
+ av_free(pkt->data);
+ pkt->data = NULL; pkt->size = 0;
+}
+
+void av_init_packet(AVPacket *pkt)
+{
+ pkt->pts = AV_NOPTS_VALUE;
+ pkt->dts = AV_NOPTS_VALUE;
+ pkt->pos = -1;
+ pkt->duration = 0;
+ pkt->convergence_duration = 0;
+ pkt->flags = 0;
+ pkt->stream_index = 0;
+ pkt->destruct= NULL;
+}
+
+int av_new_packet(AVPacket *pkt, int size)
+{
+ uint8_t *data= NULL;
+ if((unsigned)size < (unsigned)size + FF_INPUT_BUFFER_PADDING_SIZE)
+ data = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (data){
+ memset(data + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+ }else
+ size=0;
+
+ av_init_packet(pkt);
+ pkt->data = data;
+ pkt->size = size;
+ pkt->destruct = av_destruct_packet;
+ if(!data)
+ return AVERROR(ENOMEM);
+ return 0;
+}
+
+void av_shrink_packet(AVPacket *pkt, int size)
+{
+ if (pkt->size <= size) return;
+ pkt->size = size;
+ memset(pkt->data + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+}
+
+int av_dup_packet(AVPacket *pkt)
+{
+ if (((pkt->destruct == av_destruct_packet_nofree) || (pkt->destruct == NULL)) && pkt->data) {
+ uint8_t *data;
+ /* We duplicate the packet and don't forget to add the padding again. */
+ if((unsigned)pkt->size > (unsigned)pkt->size + FF_INPUT_BUFFER_PADDING_SIZE)
+ return AVERROR(ENOMEM);
+ data = av_malloc(pkt->size + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!data) {
+ return AVERROR(ENOMEM);
+ }
+ memcpy(data, pkt->data, pkt->size);
+ memset(data + pkt->size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+ pkt->data = data;
+ pkt->destruct = av_destruct_packet;
+ }
+ return 0;
+}
+
+void av_free_packet(AVPacket *pkt)
+{
+ if (pkt) {
+ if (pkt->destruct) pkt->destruct(pkt);
+ pkt->data = NULL; pkt->size = 0;
+ }
+}
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