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avformat/fifo: assert on disallowed message type and state combinations

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Fixes Coverity CID 1396277.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2017-02-08 23:28:21 +01:00
parent b921b3b42b
commit 8985e4af2b
1 changed files with 4 additions and 1 deletions
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5
libavformat/fifo.c
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@ -19,6 +19,7 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/avassert.h"
#include "libavutil/opt.h"
#include "libavutil/time.h"
#include "libavutil/thread.h"
@ -207,7 +208,7 @@ static int fifo_thread_write_trailer(FifoThreadContext *ctx)
static int fifo_thread_dispatch_message(FifoThreadContext *ctx, FifoMessage *msg)
{
int ret;
int ret = AVERROR(EINVAL);
if (!ctx->header_written) {
ret = fifo_thread_write_header(ctx);
@ -217,6 +218,7 @@ static int fifo_thread_dispatch_message(FifoThreadContext *ctx, FifoMessage *msg
switch(msg->type) {
case FIFO_WRITE_HEADER:
av_assert0(ret >= 0);
return ret;
case FIFO_WRITE_PACKET:
return fifo_thread_write_packet(ctx, &msg->pkt);
@ -224,6 +226,7 @@ static int fifo_thread_dispatch_message(FifoThreadContext *ctx, FifoMessage *msg
return fifo_thread_flush_output(ctx);
}
av_assert0(0);
return AVERROR(EINVAL);
}