Add AV_NOPTS_VALUE check for AVFrame.pkt_dts to avoid print the
pkt_dts as negative number like:
"0,    3616613, -9223372036854775808,     1001,  3110400, 0x75e37a65"

Signed-off-by: Jun Zhao <mypopy...@gmail.com>
---
 tests/api/api-h264-test.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/tests/api/api-h264-test.c b/tests/api/api-h264-test.c
index 66669fa..55cd6cf 100644
--- a/tests/api/api-h264-test.c
+++ b/tests/api/api-h264-test.c
@@ -131,9 +131,13 @@ static int video_decode_example(const char *input_filename)
                     av_log(NULL, AV_LOG_ERROR, "Can't copy image to buffer\n");
                     return number_of_written_bytes;
                 }
-                printf("%d, %10"PRId64", %10"PRId64", %8"PRId64", %8d, 
0x%08lx\n", video_stream,
-                        fr->pts, fr->pkt_dts, fr->pkt_duration,
-                        number_of_written_bytes, av_adler32_update(0, (const 
uint8_t*)byte_buffer, number_of_written_bytes));
+
+                if (fr->pkt_dts == AV_NOPTS_VALUE)
+                    printf("%d, %10"PRId64", %s,", video_stream, fr->pts, 
"N/A");
+                else
+                    printf("%d, %10"PRId64", %10"PRId64",", video_stream, 
fr->pts, fr->pkt_dts);
+                printf("%8"PRId64", %8d, 0x%08lx\n", fr->pkt_duration,
+                       number_of_written_bytes, av_adler32_update(0, (const 
uint8_t*)byte_buffer, number_of_written_bytes));
             }
             av_packet_unref(&pkt);
             av_init_packet(&pkt);
-- 
1.7.1

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